Purmo Unisenza Digital Thermostat
Instruction
SAFETY WARNING
- During installation and operation of the device, it is necessary to comply with the following instructions:
- The device must be installed by a skilled person, in strict compliance with the connection diagrams.
- Do not power on or connect the device if any part of it is damaged.
- After installation, inaccessibility to the connection terminals without appropriate tools must be granted.
- The device must be installed and activated in compliance with current electric systems standards.
- Before accessing the connection terminals, verify that the leads are not live.
TECHNICAL SPECIFICATIONS
- Purpose of control: electronic thermostat;
- Construction of control and whether the control is electronic (see above example);
- Setting range: +5/+35 °C;
- Supply voltage: 230 V~ ±10 % – 50/60 Hz;
- Power consumption: 3 W;
- The capacity of the contacts: 2 (1) A 230 V~ (not voltage free);
- Type of automatic action: 1;
- Construction: Class II;
- Ingress protection: IP 30;
- Operating temperature: 0 °C…40 °C;
- Operating humidity: 20 %…90 % rH non condensing;
- Storage temperature: -20 °C…60 °C;
- Shock load voltage: 2,5 KV;
- Temperature for Ball Pressure Test: 90° C;
- Pollution degree: 2 (normal).
REFERENCE STANDARDS
Conformity with EU directives:
- 2014/35/EU (LVD)
- 2014/30/EU (EMCD)
Is declared with reference to the following standard:
- EN 60730-2-9: Automatic electric command devices for household and similar use.
- Part 2: particular provisions for thermosensitive command devices.
INSTALLATION AND ELECTRICAL CONNECTION
Wall fixing
Wiring diagram
Thermostat terminals description
Connection to the Wiring Centre
Home Screen
Standby
Lock – Unlock
Heating – Cooling
When the thermostat is connected to a wiring centre, only one device (thermostat or wiring center) can switch the system from heating to cooling and then from cooling to heating. If you try from a thermostat to switch from cooling to heating mode and the thermostat displays NO, it means that it is possible switch in cooling mode only from the device (thermostat or wiring centre) that switched the system from heating to cooling.
Note: If in the thermostat the Cooling function (User menu 03 COL) is disabled, it is no possible to switch in cooling mode, ifyou try the heating icon blinks
Working modes selection
COMFORT Mode
In this mode the device will work with fixed temperature (Comfort temperature). Using plus or minus button it’s possible modify the Comfort temperature value.
ECO Mode
In this mode the device will work with fixed temperature (Eco temperature). Using plus or minus button it’s possible modify the eco temperature value.
PROGRAM Mode
In this mode the device changing between comfort and eco is based on NSB terminal input when the digital thermostat is connected to the wiring centre.
MANUAL Mode
In this mode the device will work with fixed temperature. Using plus and minus button it’s possible modify the temperature
Short press Menu button to wake up the display, then long press (>5sec) menu button to enter in the User menu.
User Menu Map
To scroll in the user menus press + or – buttons.
OWF Open window function
If the open window function id enabled (ON), in case of temperature drop during heating the device turn off the heater for 1 hour.
DEG Type of degree (C/F)
Change temperature visualization unit (Centigrade/ Fahrenheit)
COL Cool function
If this function is enabled (ON), the thermostat works in both heating and cooling and it is possible to change the operating mode both from the keyboard and from the CO terminal. If this function is not enabled (OFF), the thermostat only works in heating mode and it is not possible to change the operating mode either from the keyboard or from the CO terminal. If you try to change the mode, the heating icon flashes.
FW Firmware version
In this menu the thermostat displays the current firmware version
RES User menu factory reset
In this menu it is possible reset all menus in the user menu to default values. See the table below for the user menu default values.
Short press Menu button to wake up the display, then long press (>5sec) Menu button and Enter button to enter in the Advanced menu.
Advanced Menu Map
To scroll in the user menus press + or – buttons.
Advanced Menu Item explanations
To enter in a menu press the ENTER button.
In each menu press the ENTER button to confirm and save the selected option or BACK button to came back without save
OUT Output logic
In this menu is possible Change output logic between
- NO – normally open: live on SWL terminal when there is heating or cooling request
- NC – normally closed: no live on SWL terminal when there is heating or cooling request
SEN Sensor Mode
Define the configuration of temperature sensor
AIC Calibration of internal sensor
In particular installation conditions, it can happen that the temperature measured by the device deviates from the average temperature present in the room. In this case, introduce an adjustment temperature in this menu for the internal sensor when the sensor mode is 00 or 03.
Note: the temperature value shown on the display during normal operation is inclusive of any adjustment introduced
FIC Calibration of external sensor
In particular installation conditions, it can happen that the temperature measured by the device deviates from the average temperature present in the room. In this case, introduce an adjustment temperature in this menu for the external sensor sensor when the sensor mode is 01, 02 or 03.
Note: the temperature value shown on the display during normal operation is inclusive of any adjustment introduced
LTH Lower limit floor temperature
Lower limit value for external sensor used like floor sensor in heating mode. If the floor temperature is lower than the LTH limit the floor sensor icon blinks.
This menu is showed only in mode sensor 01 or 03
HTH Upper limit floor temperature
Higher limit value for external sensor used like floor sensor in heating mode. If the floor temperature is higher than the HTH limit the floor sensor icon and alarm icon blink and heating request is blocked.
This menu is showed only in mode sensor 01 or 03.
LTC Lower limit floor temperature in cooling mode
Lower limit value for external sensor used like floor sensor in cooling mode. If the floor temperature is lower than the LTH limit the floor sensor icon and alarm icon blink and the cooling request is blocked.
This menu is showed only in mode sensor 01 or 03
REG Regulation type
PI regulation
With P regulation, the device activates the heating (cooling) until the measured temperature is lower (higher) than the set one. In order to avoid the oscillation straddling the set temperature which would cause the system to switch on and off continuously, a differential (or hysteresis) is introduced.
In this way the system is switched on:
- in heating, when the ambient temperature drops below the value “set temperature-differential“ and remains on until the “set temperature+ differential“ is reached.
- in conditioning, when the ambient temperature exceeds the value “set temperature+ differential“ and remains on until the “set temperature-differential“ is reached.
PI regulation
The PI regulation allows to keep the ambient temperature more constant and is based on the concept of band and period. The regulation band is the temperature range (centered on the setpoint) in which the proportional regulation is implemented. The adjustment period is the duration of the adjustment cycle (switch on and switch off time). The band and the period depend from the type of system choosed (see the next menu)
TOS Type of system
For the correct parameters of the PI control select the right system where the thermostat is installed:
- 01: Low thermal inertia heater (fancoil)
- 02: Medium thermal inertia heater (radiators)
- 03: High thermal inertia heater (radiant system)
FP frost protection temperature
The frost protection temperature avoids the risk of freezing of the system when the thermostat is in standby mode. So, in this situation, the thermostat displays the frost protection icon and guarantes the minimum temperature setted in this menu.
LOT Lock Type
There are two different lock for the thermostat, so in this menu is possible set:
- FUL (full): Block all changes after lock mode activation
- HOT (hotel): After lock mode activation it is possible use only + and – buttons
SBR Screen brightness
Brightness level of the screen and the buttons in the low power mode (after 15 seconds from the last button press)
OWF Open window function type
There are three different type for the open window function, so in this menu is possible set:
- FAS (fast): Activate function when temperature drop 5 degree in 5 minutes, during heating.
- MID (medium): Activate function when temperature drop 3 degree in 5 minute, during heating..temperature.
- SLO (slow): Activate function when temperature drop 2 degree in 5 minutes, during heating
RES Advanced Menu factory reset
In this menu it is possible reset all menus in the advanvced menu to default values. See the table X2 for the advanced menu default values.
| N° | Menu | Description menu | Default Value | Range |
| 1 | OUT | Output Logic | NO | NO/NC |
| 2 | SEN | Sensor mode | 0 | 00,01,02,03 |
| 3 | AIC | Calibration of internal sensor | 0 | -5:+5 |
| 4 | FIC | Calibration of external sensor (Visible if there is exteranl sensor connected) | 0 | -5:+5 |
| 5 | LTH | Lower limit floor temp | 15 | +5:+20 |
| 6 | HTH | Upper limit floor temp | 35 | +22:+45 |
| 7 | LTC | Lower limit floor temperature (Cooling mode) | 18 | +12:+20 |
| 8 | REG | Regulation type | PI | PI (Proportional) / P (OnOff) |
| 9 | TOS | Type of System | 3 | 1 to 3 see cell note |
| 10 | FP | Frost protection temp | 7 | +5:+10 |
| 11 | LOT | Lock type | FULL | FULL/HOT See cell note |
| 12 | SBR | Screen Brightness | 70 | 0 – 99 |
| 13 | OWF | Open window function type | Middle | Fast,Middle; Slow See cell note |
| 14 | RES | Factory reset Advanced menu | No | Yes/No |
Alarms and Warnings
If there are some alarms or warnings, they are displayed by icons.
WEEE DIRECTIVE APPLICATION – DIRECTIVE 2012/19 / EU
The crossed-out wheeled bin symbol indicates that within the European Union all electrical and electronic products at the end of their useful life must be collected separately from other waste. Do not dispose of this equipment in unsorted municipal waste. Assign the equipment to the appropriate collection centers for electrical and electronic waste or return it to the retailer when purchasing a new equivalent type of equipment. Appropriate separate collection of equipment to start the subsequent recycling, treatment and environmentally compatible disposal helps to avoid possible negative effects on the environment and health due to the presence of hazardous substances in electrical and electronic equipment and resulting from an incorrect disposal or improper use of the same equipment or parts thereof, the separate collection also favors the recycling of the materials of which the equipment is composed. The current legislation provides for sanctions in case of illegal disposal of the product.
A PURMO GROUP BRAND
- Bulevardi 46
- P.O. Box 115
- FI-00121 Helsinki
- Finland
- www.purmogroup.com
REFERENCE:
DOWNLOAD MANUALS:
Purmo Unisenza Digital Thermostat Installation Manual
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