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THERMOSTAT APPLICATION GUIDE
Description | |
Heat Pump (No Aux . or Emergency Heat) | Yes |
Heat Pump (with Aux . or Emergency Heat) | Yes |
Systems with up to 3 Stages Heat, 2 Stages Cool | Yes |
Heat Only Systems | Yes |
Cool Only Systems | Yes |
Wired Remote Temperature Sensor (Indoor/Outdoor) | Yes |
Dual Fuel Feature (Heat Pump Mode) | Yes |
Heat Pump Installation and Operating Instructions
Programming Choices | ||
Non-Programmable | 5/1/1 Day | 7 Day |
Electrical Rating:
CAUTION To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete.
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product may replace a product that contains mercury.
Mercury and products containing mercury must not be discarded in household trash. Do not touch any spilled mercury. Wearing non-absorbent gloves, clean up any spilled mercury and place in a sealed container. For proper disposal of a product containing mercury or a sealed container of spilled mercury, place it in a suitable shipping container. Refer to http://thermostat-recycle.org for location to send the product containing mercury.
WARNING Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code.
Remove Old Thermostat
Installing New Thermostat
Battery Location
2 “AA” alkaline batteries are included in the thermostat at the factory with a battery tag to prevent power drainage. Remove the battery tag to engage the batteries.
To replace batteries, set system to OFF, remove thermostat from wall and install the batteries in the rear along the top of the thermostat (see Figure 1). For best results, use a premium brand “AA” alkaline battery such as Duracell® or Energizer®.
Refer to equipment manufacturers’ instructions for specific system wiring information. After wiring, see CONFIGURA-TION section for proper thermostat configuration. Wiring diagrams shown are for typical systems and describe the thermostat terminal functions.
TERMINAL DESIGNATION DESCRIPTIONS
Heat Pump Connections
Refer to equipment manufacturers’ instructions for specific system wiring information.
You can configure the thermostat for use with the following heat pump systems.
HEAT PUMP TYPE 1 (HP 1). Single stage compressor system; gas or electric backup.
HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two compressor system with gas or electric backup.
After wiring, see INSTALLER CONFIGURATION section for proper thermostat configuration.
NOTE: If your system does provide an E connection, jumper between W2 and W/E should be removed.
24 VAC common connection optional for system operation. Required for fault or malfunction indication, remote temperature sensor, or for continuous backlight operation.
Dual fuel option de-energizes compressor when auxiliary heat is energized.
Home Screen Description
Programming and Configuration Items
To enter the menu: Press the Menu touch key. Press and hold for 5 seconds the Installer Config touch key. This displays menu item #1 in the table below. Press
CONFIGURATION MENU | ||||||
Menu Reference Number | Program- mable | Non- Program- mable | Press Button | Displayed (Factory Default) | Press to select from listed options | Comments |
1 | 1 | 1 | HP2 | HP 1, HP 2 | Selects Heat Pump 1 (HP 1, 1 compressor), Heat Pump 2 (HP 2, 2 compressor or 2 speed compressor) | |
2 | 2 | 2 | (ELE) | GAS | GAS setting: heat pump controls blower . ELE setting: thermostat controls blower . | |
3 | 3 | 3 | Days, (7) P | 5-1-1 or 0 | Programs per week . (0 = non-programmable) | |
4 | 4 | NA | PS (4) | 2 | Program periods per day . 4 = Morning, Day, Evening, Night 2 = Day, Night | |
5 | 5 | 4 | Cool-Off-Heat- Emer-Auto | Cool-Off-Heat-Emer, Off-Heat-Emer, Cool-Off | System switch configuration, heat pump mode . | |
6 | 6 | NA | E (On) | OFF | Selects Energy Management Recovery, E (with programming option on) | |
7 | 7 | 5 | Cr, Heat (FA) | SL | Selects Adjustable Anticipation, cycle rate, Heat | |
8 | 8 | 6 | Cr, Cool (FA) | SL | Selects Adjustable Anticipation, cycle rate, Cool | |
9 | 9 | 7 | Cr/AU, Emer (FA) | SL | Selects Adjustable Anticipation, cycle rate auxiliary, (This item is only to appear if HP 1 or HP 2 is selected above) . | |
10 | 10 | 8 | CL (OFF) | On | Selects Compressor Lockout . | |
11 | 11 | 9 | dL (On) | OFF | Selects Continuous Display backlight & intensity . | |
12 | 12 | 10 | dL (LO) | HI | Selects Backlight Intensity . | |
13 | 13 | 11 | 0 | 4, LO to 4, HI | Selects Adjustable Ambient Temperature Display [range -4 (LO) to+4 (HI)] . | |
14 | 14 | 12 | °F | °C | Selects °F/°C Display (temperature units in Fahrenheit or Celsius) . | |
15 | 15 | 13 | b (On) | OFF | Selects audible Beeper On/Off . | |
16 | 16 | 14 | dS (On) | OFF | Selects Daylight Saving Time calculation . | |
17 | 17 | 15 | AS, Heat (On) | OFF | Selects Automatic Schedule for comfort temperature Programming, heat mode . | |
18 | 18 | 16 | AS, Cool (On) | OFF | Selects Automatic Schedule for comfort temperature Programming, cool mode . | |
19 | 19 | 17 | CS, (OFF) Cool Savings | 1-2-3-4-5-6 | Selects Cool Saving Feature & amount . | |
20 | 20 | 18 | HL, Heat (99) | 62-98 | TEMPERATURE LIMIT, HEAT (max . heat set point) . | |
21 | 21 | 19 | LL, Cool (45) | 46-82 | TEMPERATURE LIMIT, COOL (min . cool set point) . | |
22 | 22 | 20 | OFF, Keypad Lockout | L (total), P (partial), Temperature Limit (limited temperature range) | Selects Keypad Lockout . | |
000 | 001-999 | Selects Keypad Lockout Combination (active only if keypad Lockout is selected) . | ||||
23 | 23 | 21 | FS, Heat (OFF) | ON | Fast second stage of heat | |
24 | 24 | 22 | FS, Cool (OFF) | ON | Fast second stage of cool | |
25 | 25 | 23 | Remote (OFF) | On | Remote temperature sensor, enable/disable . | |
In, Remote | Outdoor Remote | Remote temperature sensor (Indoor/Outdoor) . | ||||
LS (On) | OFF | Local temperature sensor enable/disable (only when Indoor Remote is selected On) . | ||||
26 | 26 | 24 | dF (5) OFF | 5-50 | Selects Dual Fuel Feature & setpoint (in Fahrenheit) (applicable only when outdoor remote is On) . | |
Cd (60) | 0-99 | Selects Compressor delay in seconds (only when dF is selected >5) . | ||||
27 | 27 | 25 | Change Filter (OFF) | On | Selects Change filter feature | |
200 Hours | 25-1975 (in increments of 25 hours) |
Choose the Fan Setting (Auto or On or Prog)
Fan Auto is the most commonly selected setting and runs the fan only when the heating or cooling system is on.
Fan On selection runs the fan continuously for increased air circulation or to allow additional air cleaning.
Fan Prog will run the fan when the heating or cooling system is on. In addition, when the thermostat has not called for heat or cool for more than 60 minutes, it will begin to cycle the fan for 10 minutes on and 20 minutes off to improve indoor air quality. This is the Comfort Circulating Fan Feature.
Choose the System Setting (Cool, Off, Heat, Emer, Auto)
Press the SYSTEM button to select:
Manual Operation for Non-Programmable Mode
Press the SYSTEM button to select Heat or Cool and use the
the thermostat to automatically change between Heat and Cool.
Set Current Time and Day
Automatic Daylight Saving Calculation
The Real Time Clock will adjust automatically for daylight sav-ings time, in the following manner:
Increment one hour at 2 AM on the second Sunday of March and decrement one hour at 2 AM on the first Sunday of No-vember. (New DST effective 2007).
The daylight saving feature can be enabled or disabled in installer configuration menu. Default is dS On (enabled). After entering installer configuration mode, momentarily. press
Programming Tip: Copy Program
When programming your thermostat, you may copy the pro-gram from one day to another day or group of days using the Copy key. In 7 day programming mode, a day can be copied to another day or all six other days. In 5/1/1 day programming mode the weekday (Mon – Fri) program can be copied into Sat and Sun or either Sat or Sun. To copy a program from one day to another:
Enter the Heating Program
Enter the Cooling Program
Automatic Schedule
This feature provides a method to program every day with the most popular time and temperature settings using one key. For this feature to be available, the Auto Schedule options
(Installer/Configuration menu item 17, AS Heat, or item 18, AS Cool) must be selected On.
To use Auto Schedule, press Run Schedule to be sure you are in normal operating mode. In SYSTEM Heat mode, use the
In Heat mode the thermostat will maintain your “Comfort Temperature” during the Morning, Day and Evening periods and setback 6° for the Night. Morning period will begin at 6:30 AM and Night period will begin at 10:30 PM.
To set the Auto Schedule temperature for Cool mode, press SYSTEM to change the mode to Cool and repeat setting the temperature. In Cool mode, the thermostat will maintain your selected “Comfort Temperature” continuously.
The “Comfort Temperature” can be temporarily overridden by changing the setpoint temperature using the
Entering Fan Program
In the Set Schedule mode, the FAN key is used to select the fan operation during a program period. The default state of the Fan key is FAN Auto (fan runs during a call for cool but not on a call for heat). It can be changed to FAN Prog (fan runs during a program period). Each press of the FAN key will change the mode of the fan between Auto and Prog. In the Run mode, when a program period that has FAN Prog begins, the fan will turn on and stay on during the complete period. The display will show FAN On Prog.
In the Run mode, pressing the FAN key will change the fan from Auto (default setting) to On (fan running continuously) or Prog. When FAN Prog is displayed, the fan will run when the system cycles. If the system does not cycle for more than 60 minutes, the thermostat will turn the fan on for 10 minutes and off for 20 minutes to improve indoor air quality. If the display shows FAN On Prog to indicate the program period has the fan programmed to run, FAN Prog will override the programmed setting until Run Schedule is pressed or the next schedule period begins.
Energy Saving Factory Pre-Program
The thermostats are programmed with the energy saving settings shown in the table below for all days of the week. If this program suits your needs, simply set the thermostat clock and press the RUN button.
The table below shows the factory set heating and cooling schedule for all days of the week.
* Wake Up (Morning) | Leave For Work (Day) | * Return Home (Evening) | Go To Bed (Night) | |||||
Heating Program | 6:00 AM | 70°F | 8:00 AM | 62°F | 5:00 PM | 70°F | 10:00 PM | 62°F |
Cooling Program | 6:00 AM | 75°F | 8:00 AM | 83°F | 5:00 PM | 75°F | 10:00 PM | 78°F |
Note: You can eliminate these two program periods in the configuration menu (reference #3) if the building is occupied all day. Day will change to 6:00 am and can be programmed as required.
Important
The Heating and Cooling Program schedules below allow you to pencil in your own program times and temperatures.
The thermostat comes configured for 7 day programming and can also be configured for 5+1+1 programming (see configuration section).
Factory settings are listed on Monday, Saturday and Sunday. If you are re-programming a 5+1+1 day schedule, pencil in your own times and temperatures directly below the factory times and temperatures.
If you are re-programming a 7 day fill in all lines with the times and temperatures you want.
Keep the following guidelines in mind when planning your program.
Worksheet for Re-Programming 5+1+1 and 7 Day Program
Heating Program | Wake Up (Morning) | Fan | Leave For Work (Day) | Fan | Return Home (Evening) | Fan | Go To Bed (Night) | Fan | ||||
MON | 6:00 AM | 70°F | Auto | 8:00 AM | 62°F | Auto | 5:00 PM | 70°F | Auto | 10:00 PM | 62°F | Auto |
TUE | ||||||||||||
WED | ||||||||||||
THU | ||||||||||||
FRI | ||||||||||||
SAT | 6:00 AM | 70°F | Auto | 8:00 AM | 62°F | Auto | 5:00 PM | 70°F | Auto | 10:00 PM | 62°F | Auto |
SUN | 6:00 AM | 70°F | Auto | 8:00 AM | 62°F | Auto | 5:00 PM | 70°F | Auto | 10:00 PM | 62°F | Auto |
Cooling Program | Wake Up (Morning) |
Fan | Leave For Work (Day) |
Fan | Return Home (Evening) |
Fan | Go To Bed (Night) |
Fan | ||||
MON | 6:00 AM | 75°F | Auto | 8:00 AM | 83°F | Auto | 5:00 PM | 75°F | Auto | 10:00 PM | 78°F | Auto |
TUE | ||||||||||||
WED | ||||||||||||
THU | ||||||||||||
FRI | ||||||||||||
SAT | 6:00 AM | 75°F | Auto | 8:00 AM | 83°F | Auto | 5:00 PM | 75°F | Auto | 10:00 PM | 78°F | Auto |
SUN | 6:00 AM | 75°F | Auto | 8:00 AM | 83°F | Auto | 5:00 PM | 75°F | Auto | 10:00 PM | 78°F | Auto |
One remote temperature sensor can be installed indoor or outdoor and connected to the thermostat by a maximum cable length of 100 meters (300 feet). Terminals +, S and – on the terminal block allow connection of the remote sensor. The thermostat must have 24 VAC Common connection to terminal C for the remote sensor to operate. The remote sen-sor can be enabled or disabled in the Installer/Configuration menu, item 25.
When remote sensor, Remote, is selected Off (factory de-fault), no remote sensor is enabled. When remote sensor is selected On, the next step is to select the remote as indoor, Remote In, or outdoor, Remote Outdoor. If the remote is se-lected as Remote In, an additional step will be to select if the temperature shown on the display will be from the thermostat, LS On, or the remote sensor Ls Off.
In normal operation, when a remote sensor is enabled the time digits of the display will alternate between the time and the remote temperature for three seconds each. Above the remote temperature will be Remote, for indoor sensor or Outdoor Remote, for outdoor sensor. If the remote sensor is an indoor sensor and the local display has been disabled, the temperature displayed as the room temperature will be the remote sensor temperature.
Sensing Range:
Weight of Remote Reading:
The thermostat is designed to receive the temperature of the indoor remote sensor and average, or weight, it with the local sensor in the thermostat for each program period. The averaging will be active only when the local sensor and the indoor remote sensor are both functional and enabled in the Installer/Configuration menu.
When the thermostat is in the Set Schedule mode, the weight of the indoor sensor will be shown in the current temperature digits of the display. The weight will show as A2 (average and default), H4 (high) or L1 (low). Pressing the
In normal operation of the thermostat, the current tempera-ture displayed will be the weighted average of the local sensor and the remote sensor using the formula (local sensor weight x local sensor temperature) + (remote sensor weight x remote sensor temperature) / (local sensor weight + remote sensor weight).
Example: Local sensor temperature is 80° and the remote sensor is 70°.
The example shows that the weight selected would prioritize the overall averaged temperature between the two sensors. The high weight selection caused the remote sensor to have a higher influence in the calculated temperature average than the local sensor and the low weight selection caused the remote sensor to have less influence.
Dual Fuel Temperature Setpoint
When the thermostat is configured for Heat Pump mode and an outside remote sensor is installed, the thermostat can monitor the outside temperature. When the outside temperature falls below a user selectable temperature, the thermostat will switch to gas heat and shut down the compressor. This eliminates the need for a fossil fuel kit.
The user selectable temperature is called the dual fuel temperature setpoint, dF and is set in the Installer/Configuration menu, item 26. The dual fuel temperature setpoint can be set to a temperature of 5 through 50. A selection of 5 (default set-ting) disables this feature and menu selection of Cd will not be available.
After the dual fuel temperature setpoint is set above 5 and
Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings.
If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes. After resetting the thermostat, replace the wires and batteries. If the thermostat has been reset and still does not function correctly contact your heating/cooling service person or place of purchase.
Note: Be sure to review the installer configuration menu settings. To reset the programming, clock and configuration settings, press
Symptom | Possible Cause | Corrective Action |
No Heat/No Cool/No Fan (common problems) | 1 . Blown fuse or tripped circuit breaker . 2 . Heat Pump power switch to OFF . 3 . Heat Pump blower compartment door or panel loose or not properly installed . 4 . Loose connection to thermostat or system . | Replace fuse or reset breaker . Turn switch to ON . Replace door panel in proper position to engage safety interlock or door switch . Tighten connections . |
No Heat | 1 . Heat Pump Lock-Out Condition . Heat may also be intermittent .
2 . Heating system requires service or thermostat requires replacement . | Many heat pumps have safety devices that shut down when a lock-out condition occurs . If the heat works intermittently contact your HVAC service person for assistance . Diagnostic: Set SYSTEM Switch to HEAT and raise the setpoint above room temperature . Within a few seconds the thermostat should make a soft click sound . This sound usually indicates the thermostat is operating properly . If the thermostat does not click, try the reset operation listed above . If the thermostat does not click after being reset contact your heating and cooling service person . If the thermostat clicks, contact your HVAC service person to verify the heating is operating correctly . |
No Cool | 1 . Cooling system requires service or thermostat requires replacement . | Same as diagnostic for No Heat condition except set the thermostat to COOL and lower the setpoint below the room temperature . There may be up to a five minute delay before the thermostat clicks in Cooling . |
Heat, Cool or Fan Runs Constantly | 1 . Possible short in wiring . 2 . Possible short in thermostat . 3 . Possible short in heat/cool/fan system . 4 . FAN Switch set to Fan ON . | Check each wire connection to verify they are not shorted or touching together . No bare wire should stick out from under terminal block . Try resetting the thermostat as described above . If the condition persists your HVAC service person can instruct you on how to test the Heat/ Cool system for correct operation . If the system operates correctly, replace the thermostat . |
Thermostat Setting & Thermostat Thermometer Disagree | 1 . Thermostat thermometer setting requires adjustment . | The thermometer can be adjusted +/- 4 degrees . See Temperature Display Adjustment in the Configuration Menu section . |
Heat Pump (Air Conditioner) Cycles Too Fast or Too Slow (narrow or wide temperature swing) | 1 . The location of the thermostat and/or the size of the Heating System may be influencing the cycle rate . | Digital thermostats provide precise control and cycle faster than older mechanical models . The system turns on and off more frequently but runs for a shorter time so there is no increase in energy use . If you would like an increased cycle time, choose SL for slow cycle in the Configuration menu, step 7 (heat) or 8 (cool) . If an ac- ceptable cycle rate is not achieved, contact a local HVAC service person for additional suggestions . |
Forgot Keypad Lockout Code | Press the menu button (button will disappear) and hold in for 20 seconds . This unlocks the thermostat . |
HELP LINE: 1-800-284-2925
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