PERRY

PERRY 1CR-CR028A DIGITAL PROGRAMMABLE THERMOSTAT User Manual

PERRY 1CR-CR028A DIGITAL PROGRAMMABLE THERMOSTAT

PRESENTATION

The weekly programmable thermostat, suitable for all heating and/or cooling system, is fitted with a large and clear backlit display to keep all its functions under control in real-time. The programmable thermostat is for pre-programmed in the factory operation defined as standard, therefore, right after connection to the utility to control, battery insertion, mandatory current date and hour setting and confirmation of automatic daylight saving time/standard time change (EURO=Italy and Central Europe UTC+1), it is ready for immediate use, displaying current date and time, daily profile/standard time in Winter mode (heating). The fundamental feature is its easy-to-use menu navigation, which makes it extremely user-friendly despite its comprehensive range of functions. Two winter and two summer programs are already set in its permanent memory with 3 temperature levels + antifreeze feature, designed to offer the utmost comfort, although changing them only takes few seconds to select the desired temperatures throughout the day (even every 30 minutes!) and for every day of the week. The programmable thermostat is factory-set to adjust temperature in a Differential ON/OFF manner and hysteresis can be set from 0.2°C to 1.2°C to adapt to the thermal inertia of your specific installation.

Alternatively, modulating Proportional operation may be selected with settable duration cycles (from 7 to 20 minutes): this system ensures the desired temperature is maintained more stable, increasing user comfort and is particularly suitable for installations with high thermal inertia such as, for instance, for underfloor radiant panels. The set temperature scale is in degrees Centigrade (Celsius) with the option to calibrate room temperature measurement setting a correction value (from -3 to +3 °C); when switching to the Fahrenheit scale all displayed temperature values are updated accordingly. The programmable thermostat can be connected to a separate remote controllable temperature probe (optional) which may then be set according to one’s installation needs: remote, floor, external. Special attention was devoted to energy saving: temporary or permanent override with independent SET temperature from the current weekly program, the Holiday program, pausing for household cleaning, optional Set temperature (MAX/MIN) lock, adjustable anti-freeze temperature value, control through an external contact (e.g. optional telephone programmer), are conducive to avoiding wasting energy with consequent savings. See the following pages for a description of these as well as of other features

WARNINGS

  • Read this manual carefully before using the product as it provides important guidelines regarding safety, installation and use. The manual must be preserved with care for future reference.
  • The installation and electrical connection of the programmable thermostat must be implemented by qualified only an electrician and in conformity with current laws and regulations.
  • The thermostat is not intended for use by persons (including children) with reduced physical, sensory, or programmable mental capabilities, or by those with a lack of experience and knowledge of the instructions unless they are supervised or have received the necessary instructions concerning the use of the device by a person responsible for their safety.
  • Children should be supervised to ensure that they do not play with the device.
  • If (+23°F or + 99.9 °F) room temperature flashes on the display, the measured temperature is beyond the -5 °C or +37.7 °C scale.
  • If flashes on the display, it indicates a faulty probe: any temperature control activity is suspended. “Err”
  • Use 2 stilo 1.5V batteries type AA (LR6). Batteries are not included. alkaline
  • N.B.: the product has been tested and its characteristics are guaranteed when alkaline DURACELL or ENERGIZER batteries are used.
  • If necessary, gently clean the thermostat and the display with a soft, dry cloth.
  • The manufacturer reserves the right to introduce any technical and/or constructive changes deemed necessary, with no prior notice.

TECHNICAL DATA

FACTORY SETTINGS
The data entered in the thermostat called «FACTORY SETTINGS» refer to an operation defined as «Standa

SPECIFICATION

Parameter Default Restore «reset»
Language IT (Italian) To confirm
Year/month/day/hour-minutes To set To confirm
Daylight saving/ Standard time Euro (UTC+1) Last value
Active season Winter Default
Temperature unit of measure °C (Celsius) Last value
Set Winter t1 20.0°C Default
Set Winter t2 18.0°C Default
Set Winter t3 15.0°C Default
Set antifreeze t* 6.0°C Default
Set Summer t1 24.0°C Default
Set Summer t2 27.0°C Default
Set Summer t3 33.0°C Default
Temp. locks Winter Disabled Default
Temp. locks Summer Disabled Default
Weekly hourly profile P01 Default
Weekly hourly profile P03 (not active) Default
Temp. adjustment mode DIFF. ON/OFF Default
Differential hysteresis 0.3°C Default
Modulating proportional Prop (not active) Default
Modulating period 10 min. (not active) Default
Room temp. correction 0,0 °C Default
Room temp. correction 0,0 °C Default
Anti-scale protection cycle Disabled Last value
Display contrast Level 6 Default
Display back-lighting Timed 6 sec. Default

FACTORY SETTINGS TABLE (default)

Parameter Default Restore «reset»
Remote probe (not active) Last value
External input (not active) Last value
User password none Default
Installer password none Default
Password reset code 0927 Default

 

 

RESTORE «Installer RESET»
Restore many factory settings (default) RESTORE brings the thermostat back to factory programmable settings with the exception of some items as shown in the table; to perform the operation follow the instructions in paragraph 11.15.

RESTART
Should the thermostat feature malfunction, wrong programmable displays or other incorrect conditions, perform a . «User reset» Simultaneously press for 4 sec. the and keys. Menu The timer thermostat resumes normal operation.

KEY FUNCTIONS

Backlit display
Touching any key activates back-lighting, displaying the selection and navigation of the words, Press the desired key within 6 sec. to vary the settings (touching any key reactivates a 6 sec timeout).

  • Multifunction Key Set. T, Menu, back, its use changes depending on function or active menu: Menu back Set. T = access to menus, = go back to previous item, = change time profile (program)
  • Key navigation through the menus: to increase a setting value (within some functions the key turns into : it lets you set or scroll the information on the left)
  • Key navigation through the menus: to decrease a setting value (within some functions the key turns into : it lets you set or scroll the information on the right)

Multifunction Key

  • a programmable thermostat in OFF (disabled temperature control)
  • current program pause for household cleaning
  • short pressure: access to selected menu / confirm function or set value (within the menus)
  • prolonged pressure (4 sec.): save modified time/thermal program (PROGRAM menu)

DISPLAY FEATURES

INSTALLATION

DIMENSIONS

INSTALLATION EXAMPLE

FASTENING THE WALL BASE

Switch off mains power 230V~ to device
Fasten the base of the thermostat with the screws programmable supplied: to the wall, to the rounded or rectangular recessed box via the relative paired holes . A

  • A – base fastening holes: wall-mounted, round or rectangular recessed box
  • B – wire passage from corrugated tubes, round or rectangular recessed box
  • C – thermostat hooking teeth programmable
  • D – thermostat fastening slot programmable
  • E – screws to fasten the wall base to the rectangular or round recessed box.

ELECTRICAL CONNECTIONS
Important: the installation and electrical connection of the devices and appliances must be implemented by qualified personnel and in conformity with current laws and regulations. The manufacturer declines all liability in connection with the use of products subject to special environmental and/or installation standards.

Examples of electrical connections

PROCEDURE TO FASTEN OR REMOVE THE THERMOSTAT TO/FROM THE WALL-MOUNTED BASE

After having made the electrical connections:

  • Apply the terminal cover to the base, securing it to the hook. E
  • To remove the cover, use a small screwdriver on hook E for leverage.

Hook the thermostat to the wall base in the teeth. programmable C Then turns the body of the thermostat downwards until it is programmable and secured in a slot.

Convenient programming
All programming operations may be performed before fastening them to the wall base; this device means programming may be carried out while comfortably seated. the flashing indication with fixed winter or ON summer symbol indicates that the programmable thermostat is detached from the wall base. Should thermostat programming take place before fastening- programmable ing to the wall base, upon completing the installation the indication (off or ON flashing) on the display might not correspond to the actual relay status. Within after fastening the thermostat 1 minute at the most programmable to the wall base, the relay activates with the indication (off or flashing) ON displayed.

Removing the programmable thermostat from the wall base
Unhook the programmable thermostat from the wall base, using a screwdriver in the specific slot ( ) in the lower D part of the device for leverage, then remove it.

SIGNALLING BATTERIES LOW OR DOWN
When the symbol blinks, this indicates that the batteries are running out and as from this moment there are 15 days to them If the discharged batteries are not replaced within this time the display will completely turn off. All thermoregulation is suspended and all settings are saved to be restored when the new batteries are inserted.

INSERTING OR REPLACING BATTERIES

  • Unhook the thermostat from the wall base programmable (see previous paragraph)
  • Insert the batteries, respecting the polarity.
  • Hook and fix the thermostat to the wall base programmable (see previous paragraph)

START THE  Programmable THERMOSTAT

Upon first inserting the batteries, the thermostat performs a lamp test by switching on all display segments, displaying the programmable installed software version for a few seconds. When this phase is over, the thermostat asks to select our language of us When this phase is over, the thermostat asks to select the language of use. programmable Select the desired language by scrolling through the available languages using the keys. Confirm by pressing the key. OK

The selectable languages are:
ITALIAN ENGLISH FRENCH GERMAN SPANISH = , =, =, . It En Fr dE ES

The thermostat programmable is immediately operative,
displaying: current day, hour and minutes, «heating» Winter mode, standard time/thermal profile for every day of the week (PROGRAM P01).

From normal thermostat operation programmable in stand-by, pressing a key lights up the display (unless back-lighting has been disabled) and the words selection and navigation appear. Within 6 sec., a variation is made the second time the desired key is pressed.

Temporary override operation (see complete description in par.10.2.1.A)
Press the key to activate temporary override (pausing the current program): the current symbol and Set temperature start flashing. Press keys to set; after 4 sec. or by pressing the key (default) is displayed, they the desired independent temperature set point OK  keys turn into and it is possible to set how long the temporary override operation must last: 1h or from override activation time to midnight at the latest (the digits corresponding to the set hours start flashing).

At the end of the set number of hours, the thermostat will resume normal operation from the program running before the programmable temporary override.
It is however possible to quit the temporary override by pressing the key

Program pause for household cleaning (see complete description in par. 10.2.2.)

  • Press the key to switch off the connected user for a max 3-hour period during which the thermostat will enter antifreeze mode ( ). programmable t
  • After 3 hours the thermostat resumes the interrupted program. programmable
  • To reactivate the interrupted program before the 3 hours elapse, press the word «CLEANING» disappears.

STRUCTURE OF THE MAIN MENUS (use and configuration)

SET TEMP (change Set temperature points)

for winter mode :

  • t1 (comfort)
  • t2 (pre-comfort)
  • t3 (economy)
    t antifreeze

for summer mode :

  • t1 (comfort)
  • t2 (pre-comfort)
  • t3 (economy)

PROFILE

  • OVERRIDE (temporary or permanent override)
  • CLEANING (pausing the current program for household cleaning)
  • HOLIDAY (pausing the current program for a holiday period)
  • ( OFF programmable thermostat switch off/on)

3 PROGRAM (display, change, copy programmed time profiles)

  • P01 weekly winter program
  • P02 weekly winter program
  • P03 weekly summer program
  • P04 weekly summer program

USER PASSWORD
– USER PASSWORD (set user password)

CONFIGURE (installer or skilled user menu)

  • LANGUAGE (menu language selection)
  • SEASON (Winter or Summer mode)
  • TIME (setting of current date, hour, minutes and daylight saving/standard time change)
  • RULE (selection of temperature control mode)
  • UNIT (selection of temperature unit of measure °C/°F)
  • OFFSET (correction of detected room temperature)
  • BLOCKS (it lets you limit the value of set temperature points)
  • PROBE (setting a remote temperature probe)
  • INPUT (setting an external contact for remotely enabling / disabling the programmable thermostat)
  • PUMP ON (disabling / enabling the descaling function)
  • CONTRAST (to change display contrast)
  • BACKLIGHT (to enable/disable display backlighting)
  • PASSWORD (to restrict the use of user and/or installer functions of the programmable thermostat)
  • RESTORE (RESET operation)

ACCESS TO MENUS

USER MENU

SET TEMP» Menu modification of SET temperatures
In the event the factory Set temperatures:

Should not satisfy your requirements, they may be modified at will, from +5 °C to +37.7°C (+41.0°F ÷ 99.9°F)

  • Menu SET Through the key path -> Display menu TEMP SET and confirm with OK.
  • Scroll with keys (sequentially) until displaying the SET temperature level (winter or summer) to be modified and confirm with OK.
  • Set with keys the new temperature set point and confirm with OK.
  • Choose with keys another temperature level to be modified or press the key to go back to back twice normal timer thermostat operation.

In the presence of max and min. temperature locks (see paragraph 11.8) it is not possible to set a Set t higher or lower than the entered locks. The display will signal impossibility to per form the operation by displaying LOCK.

thermostat «PROFILES» menu Programmable

  • Display the main menu SEt PROFILE and confirm with OK.
  • Select with keys the desired profile among available options:
    • SEt OVERRIDE (temporary or permanent override)
    • SEt CLEANING(pausing program in use for cleaning)
    • SEt HOLIDAY (pausing program in use for a holiday period)
    • OFF Set ( thermostat switch off/on) programmable
  • Confirm the selected item by pressing OK

OVERRIDE OPERATION
Two override operating modes are possible or temporary permanent with a pause in the current program. Both overrides have their own modifiable set temperature and the current program.

Temporary override operation

  • Through the key path Menu -> -> SEt PROFILE SEt OVERRIDE, select item TEMP OVERRIDE and confirm with OK: Set the symbol and the independent temperature point flash.
  • The desired temperature Set point may be set with the keys wait 4 sec. or confirm by pressing OK.
  • h 01 (default) and keys will be displayed
  • With the keys it is possible to enter the number of hours of temporary override operation: 1h or from override activation time to midnight of the current day at the latest (the digits corresponding to the set hours start flashing).
  • Wait 4 sec. or confirm by pressing OK

Permanent override operation

  • Through the key path Menu -> -> SEt PROFILE SEt OVERRIDE, select item PERM OVERRIDE, then press OK: the fixed symbol is displayed and the temperature level is applied to all hours of the day.
  • The desired independent temperature Set point may be modified at any time, by pressing keys

The permanent override operation remains active indefinitely.
To disable permanent override operation press the key, OK or if operating in the menus, follow the procedure in the next paragraph.

Disabling permanent override operation
To go back to automatic operation from the program, through the path: button -> display item Menu -> SEt PROFILE OVERRIDE OFF, confirm by pressing OK. The temperature scale will be displayed and the relevant Set points of the current day, according to the program in use before permanent override operation was enabled.

PAUSING THE CURRENT PROGRAM FOR HOUSEHOLD CLEANING
From normal thermostat operation, programmable through the path , display the Menu -> SEt PROFILE -> item confirm by clicking SEt CLEANING OK. 2- The connected user will switch off for a max 3-hour period from the current time, during which the programmable thermostat will enter antifreeze mode ( ). t Enabling this function is shown by the word «CLEANING» alternating with the current day and time on the display. After 3 hours the thermostat returns to the programmable interrupted program. To reactivate the interrupted program before the 3 hours have elapsed, press or : the word back «CLEANING» disappears.

HOLIDAY PROGRAM (e.g.: absence for holidays)
This program is useful in the event one should need to leave the house for several days (temperature control pause); your habitual program in use (winter or summer) will be re-enabled at the end of the period set with the program, so you may find the desired temperature on HOLIDAY your return.

Holiday start setting «OUT» (leaving the home)

  • The current month flashes on the display.
  • With the keys, set the month «OUT» when you wish to enable the HOLIDAY program (leave the home); confirm by pressing OK.
  • The current day flashes on the display.
  • With keys set the day «OUT» when you wish to enable the HOLIDAY program (leave the home). the day of the week will be updated automatically based on the set month and day. confirm by pressing.
  • rounded by zeroing the minutes The current time flashes on the display (if the current date has been set) or the time (if another program activation date has been set). 0:00
  • With the keys, set the time «OUT» when you wish to enable the HOLIDAY program (leave the home); confirm by pressing OK.
  • The month previously set in the OUT function flashes on the display, use keys to set the month when you wish to end the countdown (coming back home); confirm by pressing OK.
  • The day previously set in the OUT function flashes on the display: use keys to set the day when you wish to end the countdown (coming back home). The day of the week will be updated automatically based on the set month and day. Confirm by pressing OK.
  • The display shows flashing the time set in OUT + 1h rounded with minutes zeroing (if the current date is set in OUT) or time ( 00:00 if another date has been set in OUT or IN). With keys , set the time when you wish to disable the HOLIDAY program (come back home) and confirm by pressing OK. The display goes back to stand-by mode.

Upon completing data entry, two different views may be displayed (depending on the data entered):

OUT Date the same as the current one
The thermostat starts the programmable countdown (e.g. in the figure: 388 hours) until exhausting the programmed hours; in WINTER mode the connected user will only be activated if the room temperature should go below the Set antifreeze temperature point (default 6.0 °C). At the end of the countdown the HOLIDAY program will reactivate your usual program

OUT Date after the current one
The thermostat goes back to the program running before entering programmable the data in the HOLIDAY program, pending its activation. The screen of the HOLIDAY program will appear on the display for 2 seconds every minute as a reminder that it is in stand-by

When the program is running: HOLIDAY

  • press keys to change the independent antifreeze temperature Set point (unless previously disabled);
  • press the HOLIDAY program before the end of the programmed hours. OK to cancel
  • The thermostat resumes normal operation re-enabling your program.

OFF Menu (disabling the thermostat)

  • Menu -> Through the button path , select SEt PROFILE -> item and confirm with to disable the OFF SEt OK programmable thermostat.
  • The display shows , to indicate that the thermostat is disabled and all functions OFF programmable are inactive; the display only shows day, current time, room temperature reading and (in WINTER mode) the antifreeze protection symbol .
  • To reactivate the thermostat Press key and go back to the previously set program.

LIST OF PRE-SET PROGRAMS
The box shows factory-entered programs with relevant time profiles: P01 and P02 WINTER; P03 and P04 SUMMER. In the event none of the pre-set programs should meet your needs, they may be modified (see next paragraphs).

PROGRAM SELECTION

  • Through the path button -> with buttons Menu , select item e confirm with PROGRAM SEt OK.
  • The programs in the memory (P01 , P02 , P03 , P04 ) may be scrolled through with the buttons.
  • Press twice to go back to normal thermostat operation;
  • Press to opt to display the settings of the desired program.

DISPLAY SETTINGS OF THE SELECTED PROGRAM

  • After confirming with OK (described above under item 4), the display shows , the day profile (Monday), INFO 1 the flashing digits at 0:00 and the relevant temperature level: the program may be scrolled through with keys (switched to left and right), by half hours, viewing times and temperatures
  • Press once or more to view the time profile of the following day/
  • Keep OK pressed for 4 sec. t programmable he thermostat resumes normal operation following the profile of the chosen program

MODIFY PROGRAM

There are 4 available programs, all freely programmable for every hour of the day (with half-hour steps) and different for every day of the week, on 3 different temperature levels: comfort (upper digits), activity (intermediate digits), economy (lower digits), plus one level of antifreeze t1 t2 t3 temperature for the winter mode (digits not visible), or cooling system switched off for the summer mode.

USER MENU

  • Should you wish to modify a program, from the screen go to the desired day and scroll through the profile with the keys until INFO displays the time you wish to modify, in 30-minute steps (see previous paragraph).
  • SetT – Press one or more the keys to select which new temperature level you wish to assign to the desired time: the modification is effective.
  • Set point rotation starts from the set x, according to the diagram. The Setpoint in question and the digit of reference flash, the words t t1, t2, t3, t INFO
  • POX SET POX (P01 in this case) will change to (modification mode). Note: if you go back to the original Setpoint (level) no modification will take place.
  • new selected Set point – By pressing the keys they may be dragged to the next (or previous) half hour and/or hours; modify the temperature level or not as indicated under item 2.

COPY OF THE MODIFIED DAY

After completing the modification of the temperature/time profile of one day (see previous paragraph) it is possible to copy it over one or more days. Press confirmation OK will be asked whether to copy the modification over other days: choose the desired option ( YES/ NO) LOAD LOAD with the keys and confirm with OK. If is confirmed, no copy operation will be LOAD NO performed, the display will go back to the screen INFO showing the day after the modified one. If is confirmed, you will be asked on what other LOAD YES days to copy the modification: press to confirm copying OK over the indicated day (e.g. TUESDAY) moving to the next day, whereas if you press, you will skip the next day and exclude it from copying. The sequence will be requested until completing the week, signaled by the wording END.

In this condition, you may:

  • Press to scroll through the week again, (press to OK disable a day you have previously selected by mistake).
  • OK Press to confirm copy of the selected days and go back to the screen displaying the first non-INFO modified day.
  • OK SAVE P01 Keep pressed for 4 sec.: the words YES P01 are displayed (e.g. modify ); confirm with OK, and the modified weekly program will be saved.
  • The thermostat goes in normal programmable operation (standby) following the new temperature/time profile.
  • If you do not wish to save, select with the keys SAVE P01 NO OK and confirm with, to go back to the INFO screen of the first subsequent non-modified day

Entering the user password

  • Through the path select item USER PASSWORD SEt -> and confirm with .
  • Use the , keys enter 4 digits (dashes not included) between and , individually 0000 9999 confirm them with «OK

Password modification or cancellation
Press , and enter the previously set password; follow the procedure MENU described above to access the User PASSWORD SEt menu:

  • set 4 hyphens (- – – -), the password will be canceled,
  • set another number and it will be modified.

CONFIGURATION

Access to the configuration menu
Through the -> Menu path select the CONFIGUR SEt menu and confirm with access the 1st item OK: LANGUAGE SEt of the menu (see chapter for the list of 8 available items).

CHANGESET LANGUAGE

  • When is displayed, press to confirm. LANGUAGE SEt OK
  • Use the keys to select the desired language scrolling through available ones.
  • Confirm by pressing OK.
  • The selectable languages are: (default) = , = ITALIAN ENGLISH FRENCH GERMAN SPANISH = It , = En, Fr = , E . dE S
  • Press the key to exit. back

SET WINTER OR SUMMER MODE

  • The season may be changed by selecting an already set program for the other season (see par. 10.4.1/10.4.2), or through the -> -> Menu CONFIGUR SEt path under item
  • SEt SEASON confirm with . Select with the keys OK the WINTER (heating) or SUMMER (cooling) mode and confirm with OK.
  • In this case the last program used for the season about to be set will be automatically selected.
  • Press the key to exit.

ENTERING/CHANGE

  • The first time the thermostat is switched on programmable after confirming for the desired language.
  • From normal thermostat operation, using the programmable key sequence -> : selecting the option Menu CONFIG SEt TIME SEt and confirming with it will be possible to at any OK; modify time: the date, hour and minutes, and set the desired current automatic hour change function.
  • In both of the above cases, in sequence, it will be requested to enter/modify:
  • Year -> Month -> Day -> Hour minutes Time change (time set) -> (see possible selections in the table).
  • Use the keys to set (if required) the current or desired values from time to time; at the end of each selection press to move to the next OK item.

TYPE TEMPERATURE ADJUSTMENT METHODS
The thermostat is factory set to work in programmable THERMAL DIFFERENTIAL ON/OFF mode with a preset thermal differential value (Hysteresis) of 0,3 °C. Note: adjustable from 0,2 °C to 1,2 °C (from 0,3 °F to 2,1 °F). The hysteresis value must be set according to the system’s thermal inertia; a low value is recommended for systems with radiators made of e.g. cast iron and a high value for systems with fan coils. As opposed to the thermal differential, the temperature can be adjusted MODULATING PROPORTIONALLY (PROP) setting cycles from 7 to 20 minutes (default 10 minutes). This system maintains the desired temperature more stable, whilst increasing the user’s comfort sensation and saving on energy consumption. A long cycle is recommended for systems with high thermal inertia (cast iron radiators, floor systems) and a short cycle for systems with low thermal inertia (fan coils).

SELECTION OF THE TEMPERATURE ADJUSTMENT MODE (DIFFERENTIAL ON/OFF OR PROPORTIONAL)

  • Through the path , . Menu-> > CONFIGUR SEt- RULE SEt select item Press to confirm. OK
  • It will be possible to select temperature adjustment mode between
  • Thermal differential (On:OFF) Modulating factory setting or proportional (PrOP) operation.
  • Use the , keys to select the desired temperature adjustment mode. After making your choice press to confirm and display the OK screen to set if you have opted for or to set the HYSTERESIS On:OFF,
  • PERIOD PrOP if you have opted for (see next paragraphs: 11.5.2 and 11.5.3).

Setting hysteresis for thermal differential ON-OFF

  • Through the path then Menu -> CONFIGUR SEt -> RULE SEt -> On:OFF select , press . OK
  • With the keys enter the desired hysteresis value (values may be set from 0.2 °C to 1.2 °C / from 0.3 °F to 2.1 °F – default 0.3 °C/0.4 °F).
  • Press to confirm. OK
  • Press the key to exit. back

Setting period duration for modulating Proportional

  • Through the path then Menu -> CONFIGUR SEt -> RULE SEt -> PrOP, select press . OK
  • With the keys enter the duration of the desired period (settable from 7 to 20 minutes, default 10 min.).
  • Press to confirm. OK
  • Press the key to exit.

CHANGE UNIT OF MEASURE FOR TEMPERATURE READING

  • Through the path then Menu -> CONFIGUR SEt -> UNIT SEt select press . OK
  • Select the desired unit of measure with the keys: °C or °F, then press to OK confirm.
  • Press the key to exit.

CORRECTION OF ROOM TEMPERATURE READING
If for any reason the thermostat must be installed in a position where programmable the measured room temperature might be affected (e.g. perimeter wall which is on average colder in winter and warmer in summer than the rest of the dwelling) the device has 2 separate parameters to adjust the room temperature measured in the Winter Summer modes

OFFSET for winter mode ( )

  • The display alternates the empty fields to be inserted ( ) with the current —- temperature value.
  • Use the key to enter positive values, the key to enter negative values(sign «-»).
  • At each selection the display will show the new correction value (e.g.: 0.6°C) alternated to the detected temperature value (e.g.: 21.2°C).
  • After performing the correction press «OK».
  • The display shows the ( ); proceed with the OFFSET for the Summer mode correction as per the above procedure or press to quit

MAX AND MIN SET TEMPERATURE LOCK (Winter and Summer mode
In certain thermostat installations (public buildings, hotels, etc.) it might be useful to limit the maximum and minimum temperature programmable set points. This avoids incorrect settings by unauthorised personnel (energy savings). It is possible to limit (lock) the maximum, minimum or both temperature values settable on the thermostat. programmable The restriction may be applied either to the or mode.

  • Through the path , select item. Press to confirm
  • Use the , keys to set the desired temperature lock values from time to time.
  • Upon completing each setting press to confirm and move to the next lock item. OK
  • Press the impulse key to move to a different item. Press the key to exit.

General rule

  • If (comfort) is , it will level out with it. Set temperature t1 greater than the maximum entered lock
  • If is , it will level out with it. Set temperature t or t3 less than the minimum entered lock
  • The following rule will apply to all other temperatures: WINTER ( ) = > > > – SUMMER ( ) = < < t1 t2 t3 t t1 t2 t3
  • Through the path , select item . Press to confirm. Menu -> OK CONFIG S t -> LOCKS SEt UR E
  • During thermostat operation, the user may not set a higher or lower than the max and min. locks entered. programmable Set t
  • The display will signal impossibility to perform the operation by displaying .
  • The maximum and/or minimum locks will also be applied to of the following thermostat operation modes: independent Set t programmable
  • temporary and permanent override, Holiday Program.

PROBE MENU

In addition to the internal probe of the thermostat, it is possible to connect to terminals and (see wiring diagrams in ch. programmable 6 7 «AUX 1 » 5.4) a supplementary probe (optional) which may be set to read temperature in various modes.

  • Through path , press to enter the menu. Selectable functions are as follows:
  • Select the desired type of probe with the keys and confirm with OK.

NO CONNECTION TO SEPARATE PROBE
Should you wish to disable the previously active separate temperature probe and go back to using the standard internal one (default), follow this procedure: through path Menu -> CONFIG S t -> PROBE UR E S t -> E select item (NO) and press to confirm.

SETTING SEPARATE REMOTE PROBEThis is a remote probe to detect temperature in a different room from the one where the programmablethermostat is installed, for instance in the event of unfavourable installation or in premises unsuitable toreading and adjusting the temperature. The remote probe has the same parameters and reading range as the internal probe. Reading range: -5.0°C÷+37,7°C (+23°F÷+99,9°F). It completely replaces the internal thermostat probe and the product will control room programmable temperature through this remote probe

SETTING FLOOR PROBE

This is a separate and remote controllable temperature probe, buried in the screed of an underfloor heating system with radiating panels, to monitor the temperature and turn off the system in case the temperature read exceeds a pre-set threshold value

After connecting the separate temperature probe to the thermostat, it may be activated programmable through the path select item Menu key -> FLOOR. CONFIG S t -> PROBE S t -> UR E E
Confirm with the key. OK
Floor probe reading range: + 0.0°C +60.0°C (+ ÷ ÷ 32.0°F +140.0°F)

The thermostat displays and controls the room temperature detected by the internal probe: programmable at the same time the separate probe also detects the floor temperature, which will be compared with the threshold set by the installer, to prevent this temperature from exceeding the safety threshold. Should this occur the thermostat will switch off the system even if temperature is not programmable Set t reached; the display signals this condition by displaying the code and the set threshold value flashes.

SETTING SEPARATE EXTERNAL PROBE

  • This is an additional probe to read the temperature outside the dwelling (tE.
  • It does not have any home temperature control features, which are controlled by the internal programmable thermostat probe.
  • After connecting the external temperature probe to the programmable thermostat, it may be activated through the path: Menu key -> CONFIGUR Set -> PROBE Set -> select item EXTERNAL
  • Press «OK» to confirm. Press the back kev to exit.
  • External probe reading range: – 9.9°C + +60.0°C (+ 14.2°F + +140.0°F.
  • Exceeding the 99.9°F value (Fahrenheit scale) involves suppressing decimals

CONNECTION TO EXTERNAL CONTACT FOR REMOTE PROGRAMMABLE THERMOSTAT SWITCHING ON/OFF
A remote device may be connected to the thermostat (e.g. telephone programmer, programmable hourly switch, switch) able to remotely enable/disable the thermostat. programmable Through the path select item Menu -> INPUT SEt CONFIG SEt ->, UR Press to confirm

  • = Input exclusion (factory setting); INPUT nO
  • PHONE nA = for «Normally Open» contact of a telephone Programmer;
  • = for «Normally Open» contact e.g.: switch; DUTY nA
  • = for «Normally Closed» contact e.g.: switch.

ACTIVATION / DISABLING WITH A TELEPHONE PROGRAMMER

  • After connecting the Telephone programmer (optional) to the programmable thermostat or another control device, it will be possible to select the C (normally closed contact) or nA ( normally open contact «NO») contacttype setting on the telephone programmer.
  • Through the path: Menu key -> CONFIGUR SEt -> display item INPUT SEt, press «OK» and with keys choose item PHONE C or PHONE
  • Press «OK» to confirm Press the hack key to exit

Example of remote programmable thermostat switching on/off, connected to a telephone programmer with «nA» contact ( normally open

  • Programmer contact closure (change of state): causes permanent comfort override and displaying associated symbols/setpoints and the icon After that it will be possible to change the operation mode on the spot by manually acting on the programmable thermostat keypad, even if the telephone programmer contact remains closed; at the first change the icon. becomes steady to indicate the end of the telephone override status and displays contact status still closed.
  • Programmer contact opening (change of state): causes operation status override OFF (par. 10.3 – Programmable thermostat disabling) with antifreeze function unless it is disabled; the display shows OFF (steady) and icon.
  • flashing, indicating incoming telephone override. After that it will be possible to go back to normal programmable thermostat operation by pressing the ) key, the icon will go out indicating the end of telephone override.

Duty – for normally open contact «nA» (NO)

  • By selecting this function it is possible to connect a NO remote contact which upon closing sets the thermostat in the programmable OFF mode with antifreeze temperature t , unless it has been previously disabled.
  • In this condition it to act on the thermostat keys to change operation status. will not be possible programmable
  • Open the contact and the thermostat resumes normal operation from the program active before overriding. programmable
  • From path key select item . Menu -> n DUTY CONFIG S t -> INPUT S t -> UR E E A
  • Press to confirm. Press the key to exit.

Y – for normally closed contact «n » (NC)

  • By selecting this function it is possible to connect a NC remote contact which upon opening sets the thermostat in the programmable OFF mode with antifreeze temperature t , unless it has been previously disabled.
  • In this condition it to act on the thermostat keys to change operation status. will not be possible programmable
  • Close the contact and the thermostat resumes normal operation from the program active before overriding. programmable
  • From path key select item . Menu -> nC DUTY CONFIG S t -> INPUT S t -> UR E E
  • Press to confirm. Press the key to exit.

DESCALING CYCLE

  • If the function is activated, the thermostat activates programmable every day of the year at 12:00, for 2 minutes.
  • It activates the controlled device (pump, valve etc.) to prevent scaling or jamming caused by prolonged inactivity.

DISPLAY CONTRAST ADJUSTMENT

  • 8 adjustment levels are available. Level 6 is set in the factory.
  • From path Menu key -> CONFIG SEt -> UR use keys to select item . CONTRAST SEt
  • Press to confirm. OK
  • Select the desired level with the keys.
  • The contrast variation obtained will be visible at every selection.
  • Press to confirm. Press the key to exit.

BACKLIGHTING

  • It lets you enable or disable timed display backlighting. From path Menu key -> CONFIG SEt -> UR use keys to select item . BACKLIGHTING Set
  • Press to confirm OK
  • With the keys select the desired item: timed backlighting or disabled 6sec backlighting (NO). nO
  • Press to confirm. Press the key to exit

ENTERING AND MANAGING PASSWORDS
Some functions of this thermostat may be protected by a user-programmable Password and/or installer, so that they may be only modified by (U ) (Inst) t authorised persons. No password is active in factory settings

ENTERING THE NEW PASSWORD

  • From the path Menu key -> CONFIGUR Set -> PASSWORD SEt-> press «OK» to access the screen to create a secret User code (PASSWORD SEt Ut), confirm with OK, or select item PASSWORD SEt InSt with the , keys and confirm with OK to create the Installer code.
  • Using the W, keys enter 4 digits (dashes not included) between 0000 and 9999, and individually confirm them with «OK».
  • Press the back key to exit.
  • The «User» password lets you access available functions through the Menu key.
  • If an installer password is also present the CONFIGUR SEt menu may not be accessed.
  • The «Installer» password lets you access all «Configurations» (CONFIGUR SEt) menu functions as well as User settings.
  • (R) With a password, certain quickly activated functions may still be used (see

PASSWORD MODIFICATION OR CANCELLATION
When required, enter the previously created User or Installer password; follow the above procedure and access item PASSWORD SEt Ut or InSt:

  • enter 4 hyphens (- – – -) to cancel the password
  • enter 4 new digits to modify the password

RESTORE

  • The operation may be carried out following the path Menu key -> CONFIGUR Set ->: using keys W select item RESTORE SEt confirm with OK.
  • The display will ask to choose between restore «YES» and «NO».
  • Use the W keys, to select then press OK to confirm.
  • If you opt for NO the display exits the function and goes back to the initial RESTORE SEt screen. Press the back key to exit.
  • If you confirm YES «RESTORE» will be displayed for 3 seconds, then the system will restart and display the language screen.
  • Confirm by pressing OK keys to select the desired language scrolling through available ones.

SYSTEM SOFTWARE INFORMATION
From normal programmable thermostat operation, simultaneously pressing for 4 sec. the keys Menu and (RESTART) in the display shows for few seconds the screen /NFO SW concerning some information on the installed firmware.

Reference:

DOWNLOAD MANUALS:

PERRY 1CR-CR028A DIGITAL PROGRAMMABLE THERMOSTAT User Manual

PERRY 1CR-CR028A DIGITAL PROGRAMMABLE THERMOSTAT User Manual

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