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3

 

 WIRING DIAGRAMS

Figure 2 – Single Stage or Multi-Stage System

(No Heat Pump) with Single Transformer

Single Stage 1

(SS1)

Multi Stage 2

(MS2)

System

RC

RH

C

Y

Y2

W/E

W2

G

O/B

6

L

CLASS II

TRANSFORMER

HOT

24VAC

NEUTRAL

120VAC

Call for heat

Heat mode-1st

stage

Heat mode-2nd

stage

No output

24 volt 

power for 

cooling

24 volt 

power for 

heating

Cool mode-2nd

stage

24 volt 

common 

(optional 

for system 

operation, 

required 

for remote 

sensor)

Call for cool

No Output

Cool mode-1st

stage

Blower/Circulator fan

energized on a call 

for cool or Fan On

(also energized in

heating if configured

for Electric Heat)

Installer

Configuration

Menu selects 

“O” or “B” for 

changeover

function. Set 

to “O” terminal

energized in Cool

& Off mode. Set 

to “B” terminal

energized in 

Heat & mergency 

mode

Power closed

connection for

SPDT 3-wire

zone valve

Fault or System

Malfunction

Indicator for 

Heat Pumps

with “L” terminal

connection.

Original production 

1F95-1291’s 

do not have this 

connection

Figure 3 – Heat Pump Systems

Heat Pump Connections

If you do not have a heat pump system, refer to figures 3 & 4.
Refer to equipment manufacturers’ instructions for specific system 
wiring information.
You can configure the thermostat for use with the following heat pump 
systems.

Single Stage and Multi-Stage Connections

Refer to equipment manufacturers’ instructions for specific system 
wiring information.
This thermostat is designed to operate a single-transformer or two-
transformer system.
You can configure the thermostat for use with the following fossil fuel 
systems:

Heat

Pump 1

(HP1)

Heat 

Pump 2

(HP2)

System

RC

RH

C

Y

Y2

*W/E

*W2

G

O/B

6

L

CLASS II

TRANSFORMER

HOT

24VAC

NEUTRAL

120VAC

Heat mode-2nd

stage, Emergency

Mode-1st stage

*Note: Dual Fuel

option de-

energizes Heat

mode stage 1

(compressor)

when auxiliary

heat is energized

Heat mode-3rd

stage, Emergency

Mode-1st stage

*Note: Dual Fuel

option de-

energizes Heat

mode stages 1 

and 2 (both

compressors)

when auxiliary

heat is energized

Heat mode-4th

stage, Emergency

Mode-2nd stage

*Note: Dual Fuel

option de-

energizes Heat

mode stages 1 

and 2 (both

compressors)

when auxiliary

heat is energized

Heat mode-3rd

stage, Emergency

Mode-2nd stage

*Note: Dual Fuel

option de-

energizes Heat

mode stage 1

(compressor)

when auxiliary

heat is energized

24 volt 

power for 

cooling

24 volt 

power for 

heating

Heat mode-2nd 

stage, 

Cool mode-2nd 

stage, 

(Compressor)

No Output

24 volt 

common 

(optional 

for system 

operation, 

required 

for remote 

sensor)

Heat mode-1st

stage,

Cool mode-1st

stage,

(Compressor)

Blower/Circulator fan

energized on a call 

for cool or Fan On

(also energized in

heating if configured

for Electric Heat)

Installer

Configuration

Menu selects 

“O” or “B” for 

changeover

function. Set 

to “O” terminal

energized in Cool

& Off mode. Set 

to “B” terminal

energized in 

Heat & mergency 

mode

Power closed

connection for

SPDT 3-wire

zone valve

Fault or System

Malfunction

Indicator for 

Heat Pumps

with “L” terminal

connection.

Original production 

1F95-1291’s 

do not have this 

connection

COOLING

CLASS II

TRANSFORMER

HOT

24VAC

NEUTRAL

120VAC

HEATING

120VAC

*Dual fuel option, if selected turns off compressor(s) when Auxiliary stages energize.

SINGLE STAGE (SS 1)

 gas, oil or electric.

MULTI-STAGE (MS 2)

 

gas, oil or electric.

After wiring, see INSTALLER CONFIGURATION section for proper 
thermostat configuration.

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.

+

S

-

Supply voltage 

to remote 

temperature

sensor

Remote 

temperature 

sensor signal

Supply voltage 

to remote 

temperature

sensor

Figure 4 – Sensors

Содержание 1F95-1277

Страница 1: ...tain 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 sh...

Страница 2: ... The Power Stealing Switches Fig 1 should be left in the On position for most systems The information in the following table details the thermostat power method and switch options WARNING Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code INSTALLATION Figure 1 Thermostat Base Multi Stage 1F95 1277 2 AA Batteries Power Stealing Switc...

Страница 3: ... 1 compressor when auxiliary heat is energized Heat mode 3rd stage Emergency Mode 1st stage Note Dual Fuel option de energizes Heat mode stages 1 and 2 both compressors when auxiliary heat is energized Heat mode 4th stage Emergency Mode 2nd stage Note Dual Fuel option de energizes Heat mode stages 1 and 2 both compressors when auxiliary heat is energized Heat mode 3rd stage Emergency Mode 2nd stag...

Страница 4: ...7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 19 20 2 1 11 10 15 16 9 8 17 13 12 4 18 Savings display indicates the feature is active 15 Remote indicates that the indoor remote temperature sensor is being accessed Outdoor Remote indi cates the outdoor remote temperature sensor is being accessed 16 Display time remote...

Страница 5: ...Management Recovery Not available if 4 is 0 8 FA Heat Cr SL Selects Adjustable Anticipation cycle rate Heat 9 FA Cool Cr SL Selects Adjustable Anticipation cycle rate Cool 10 FA Cr AU Em SL Selects Adjustable Anticipation cycle rate auxiliary This item is only to appear if HP1 or HP2 is selected above 11 OFF SC On Select stage cycle completion On or Off 12 OFF CL On Selects Compressor Lockout 13 O...

Страница 6: ...s fast cycle FA Cr in all modes Heat Cool Em To change to slow cycling SL Cr press touch keys or toggle between FA SL The cycle rates are below Mode Med Slow Heat 0 6 F 1 5 F Cool 1 2 F 1 7 F Heat Pump 1 2 F 1 7 F Emer Heat 0 6 F 1 7 F 11 Stage Cycle Completion SC Selecting SC ON will cause the thermostat to complete heating and or cooling cycles on the highest stage engaged during the cycle Therm...

Страница 7: ...sh on the thermostat Refer to Com fort Alert Codes in Troubleshooting section If a Comfort Alert module is not connected or to disable active protec tion turn this feature OFF If a Comfort Alert module is connected and this feature is turned OFF the thermostat will still receive and flash the fault codes from the Comfort Alert module but the active protection will not be enabled to protect the com...

Страница 8: ...heat and shut down the compressor When the outdoor temperature falls below the selected tem perature the gas heat will begin Default is 35 but can be set in the range of 5 to 50 A lower setting will delay the start of gas heat allowing cooler temperature in the home INSTALLER CONFIGURATION MENU 35 Select Dual Fuel Setting With DF selected On and no outdoor sensor select the dF setting from 01 09 F...

Страница 9: ...he SYSTEM key to select Cool Thermostat controls only the cooling system Off Heating and Cooling systems are off Heat Thermostat controls only the heating system Em Setting is available only when the thermostat is configured in HP1 or HP2 mode Auto Auto Changeover is used in areas where both heating and cooling may be required on the same day AUTO allows the thermostat to automatically select heat...

Страница 10: ... will disappear and the day s you copied to will be on 6 If you wish to copy this same program into other days press Copy and repeat steps 3 4 and 5 7 Press Run Schedule to return to normal operation Fill in the blank schedule on the next page then Enter the Heating Program 1 Press the Menu key and then press Set Schedule Press SYSTEM key to select Heat in the system switch area indicating the act...

Страница 11: ...equired 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 Programmable Fan Option 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...

Страница 12: ... 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 sensor can be enabled or disabled in the Installer Configuration menu item 29 When remote sensor Remote is selected Off factory default no remote sensor is enabled When remote sensor is selected On the next step is to select the re...

Страница 13: ... the dual fuel temperature setpoint menu item 33 can be set to a temperature of 5 through 50 When outdoor remote sensor is not installed a software logic based dual fuel number menu item 34 from 01 to 09 can be selected A higher temperature or dual fuel setting will provide a smaller stage separation between the heat pump and Aux to give more comfort A lower temperature or number will provide a la...

Страница 14: ... 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 de scribed above If the condition persists the manufacturer of your system or service person can instruct you on how to test the Heat Cool system for correct operation If the system operates correctly replac...

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