Remove Jumper Wire between RH & RC

WIRING DIAGRAMS

Figure 2 – Single Stage, SS1, or Multi-Stage, MS2, System (No Heat Pump)

with Single Transformer (Gas, Oil or Electric)

Jumper

 

L

O/B

Y

Y2

W/E

W2

G

RH

RC

C

6

System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single

Diagnostic

O

 

 

 

 

 

 

 

 

Blower/

 

 

 

 

 

 

 

 

Energized Constantly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stage 1

 

 

 

 

 

 

No Output

Circulator

 

 

 

 

*

 

 

Indicator

in

 

 

No

Heat

24 Volt

24 Volt

 

 

(SS1)

Input

Cool Mode

 

 

 

 

Fan Energized

Optional

 

 

 

Cool Mode

Output

Mode

 

 

on Call for

(Hot)

(Hot)

24 Volt

 

 

 

or

 

 

 

 

 

 

 

System

B

1st Stage

 

 

1st Stage

 

 

Cool (and

Heat

Cool

(Com-

 

 

Multi-

 

 

 

 

 

 

Malfunction

 

 

Cool

 

 

Heat Mode

Heat if

 

 

 

 

mon)

 

 

Stage 2

Energized Constantly

 

 

 

 

configured

 

 

 

 

 

 

 

 

Switch

in Heat, Off,

 

 

Mode

 

 

2nd Stage

 

 

 

 

 

 

 

 

(MS2)

Input

 

 

2nd

 

 

 

 

for Electric

 

 

 

 

 

 

 

 

 

Emergency

 

 

Stage

 

 

 

 

Heat)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Comfort Alert II Module

or Similar System

Diagnostic Module

See Module Instructions

for details

NEUTRAL

 

24VAC

120VAC

HOT

 

* Common connection required for diagnostic or malfunction indication.

 

CLASS II

 

TRANSFORMER

 

Figure 3 – Single Stage, SS1, or Multi-Stage, MS2, System (No Heat Pump)

with Two Transformer (Gas, Oil or Electric)

Jumper

 

 

 

 

 

 

 

 

 

L

 

O/B

Y

Y2

W/E

W2

G

RH

RC

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single

 

 

 

 

 

O

 

 

 

 

 

 

 

 

Blower/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Energized Constantly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stage 1

 

 

 

 

 

 

 

 

 

No Output

Circulator

 

 

 

 

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SS1)

 

Diagnostic

 

 

 

Heat

 

 

Fan Energized

24 Volt

24 Volt

 

 

 

 

 

 

 

 

 

 

 

 

 

Cool Mode

Cool Mode

Output

 

 

on Call for

Optional

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indicator

 

 

 

 

Mode

 

 

(Hot)

(Hot)

24 Volt

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Optional)

 

B

1st Stage

 

 

1st Stage

 

 

Cool (and

Heat

Cool

(Com-

 

 

 

 

 

 

 

 

 

 

 

 

Multi-

 

 

 

 

 

 

 

Cool

 

 

Heat Mode

Heat if

 

 

 

 

mon)

 

 

 

 

 

 

 

 

 

 

 

 

Stage 2

 

 

 

 

Energized Constantly

 

 

Mode

 

 

2nd Stage

configured

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(MS2)

 

 

 

 

in Heat, Off,

 

 

2nd

 

 

 

 

for Electric

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Emergency

 

 

Stage

 

 

 

 

Heat)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24VAC

 

 

 

 

120VAC

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

 

 

 

 

 

 

120VAC

 

 

 

 

 

24VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOLING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLASS II

 

 

HEATING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

CLASS II

 

* Common connection required for diagnostic or malfunction indication.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4 – Heat Pump Systems, HP1 (Single Stage Compressor System with Gas or Electric backup),

HP2 (Multi-Stage Compressor or Two Compressor System with Gas or Electric backup)

 

 

 

 

 

 

 

Jumper

 

 

L

O/B

Y

Y2

+W/E

+W2

G

RH RC

C

6

System

 

 

 

 

 

 

 

 

 

 

 

 

Heat Mode - 2nd

Heat Mode - 3rd

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

Stage, Emergency

Stage, Emergency

 

 

 

 

 

 

 

 

 

 

 

Heat Pump 1

 

 

 

 

 

 

 

 

Mode - 1st Stage

Mode - 2nd Stage

Blower/

 

 

 

 

 

 

 

 

 

 

 

 

 

Energized in

 

 

No

+Note: Dual Fuel option

+Note: Dual Fuel option

Circulator Fan

 

 

*

 

 

 

 

 

(HP1)

Diagnostic

Heat and

de-energizes Heat mode

de-energizes Heat mode

 

 

 

 

 

 

 

 

Cool Mode

Output

stage 1 (compressor)

stage 1 (compressor)

Energized on

24 Volt

24 Volt

Optional

 

 

 

 

 

 

Indicator

 

 

Cool Mode

 

 

when auxiliary heat

when auxiliary heat

Call for Heat

24 Volt

 

 

 

 

 

 

B

 

 

is energized

is energized

or Cool.

(Hot)

(Hot)

(Com-

 

 

 

 

 

 

or System

1st Stage

 

 

Heat Mode - 3rd

Heat Mode-4th

Heat

Cool

 

 

 

 

 

Heat Pump 2

Malfunction

Energized in

(Compressor)

2nd

Set Elect/Gas

mon)

 

 

 

 

 

Stage, Emergency

Stage. Emergency

 

 

 

 

 

 

 

(HP2)

Switch

Heat, Off,

 

 

Stage

Mode - 1st Stage

Mode - 2nd Stage

Option for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Emergency

 

 

(Com-

+Note: Dual Fuel option

+Note: Dual Fuel option

Emergency

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

 

 

pressor)

de-energizes Heat mode

de-energizes Heat mode

mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

stage 1 (compressor)

stage 1 (compressor)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

when auxiliary heat

when auxiliary heat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is energized

is energized

 

 

 

 

 

 

 

 

 

 

Comfort Alert II Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or Similar System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

Diagnostic Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Module Instructions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

 

 

 

 

for details

* Common connection required for diagnostic or malfunction indication.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLASS II

 

 

 

 

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

 

 

 

 

 

 

TRANSFORMER

120VAC

Figure 5 – 3-Wire (SPDT) Heat Only Zone Valve Wiring

Jumper

 

6

Y

W

G

RH

RC

C

System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single Stage

 

 

 

 

 

 

 

 

 

 

 

 

Constant

3-wire

Closes

 

 

Opens

Blower/Circulator

24 Volt

24 Volt

 

 

24 Volt

Zone Valve

Valve

 

 

Valve

Fan Energized

(Hot)

(Hot)

(Com-

application

(6)

 

 

 

(4)

 

 

 

Heat

Cool

mon)

 

 

 

 

 

 

 

 

 

(5)

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24VAC

 

 

 

 

120VAC

 

 

 

 

 

HOT

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLASS II

 

 

 

 

 

TRANSFORMER

Page 3
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White Rodgers 1F95EZ-0671 specifications Wiring Diagrams, Wire Spdt Heat Only Zone Valve Wiring

1F95EZ-0671 specifications

The White Rodgers 1F95EZ-0671 is an advanced programmable thermostat designed to offer convenience and control over home heating and cooling systems. It is an ideal choice for homeowners looking to optimize their energy usage while maintaining comfortable living conditions.

One of the standout features of the 1F95EZ-0671 is its user-friendly interface, which includes a large, easy-to-read touchscreen display. The intuitive design allows users to navigate through settings effortlessly, making it accessible for individuals of all ages. The display is backlit, ensuring visibility even in low light conditions, which adds to its ease of use.

This thermostat supports both heating and cooling systems, including conventional systems as well as heat pumps, making it versatile for various home setups. Its compatibility with 24V systems further enhances its appeal for homeowners looking to upgrade their existing thermostats without extensive modifications.

Another significant technological advancement in the 1F95EZ-0671 is its Wi-Fi connectivity. This feature allows users to control their home climate remotely via a smartphone app, providing unparalleled convenience. Whether at work or on vacation, users can adjust their home temperature settings, ensuring optimal comfort upon their return. The app also enables users to monitor energy usage, helping them make informed decisions about their heating and cooling practices.

Energy efficiency is a key focus of the 1F95EZ-0671. It features a 7-day programmable schedule, allowing users to set heating and cooling times based on their specific routines. By programming temperature changes for different times of the day, users can significantly reduce energy consumption and lower utility bills. The thermostat also includes a vacation mode, which temporarily overrides the regular schedule, further optimizing energy savings when the home is unoccupied.

Additionally, the 1F95EZ-0671 is equipped with Smart Alerts that notify users of extreme temperatures, helping to prevent potential problems and ensure a safe home environment. With its combination of advanced features and user-centric design, the White Rodgers 1F95EZ-0671 provides an effective solution for modern temperature control, making it a valuable addition to any home.