White Rodgers 1F85-0422 manual Jumper, System Single Stage 3-wire Zone Valve application

Page 2

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

with Two Transformers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: If continuous backlight or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remove Jumper Wire

hardwired power input are desired but

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Jumper

 

 

do not function in both HEAT and COOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

between RH & RC

 

 

 

 

 

 

 

 

L

 

O/B

Y

Y2

W/E

W2

G

RH

RC

 

C

modes, cut the heating transformer 24V

 

 

 

 

 

 

 

 

 

 

wires and tape off. Connect the neutral

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

circuit disconnected from the heating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

transformer to the neutral circuit of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blower/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single

 

 

 

O

B

 

 

 

 

 

 

No Output

 

 

 

 

 

 

 

 

 

 

 

 

cooling transformer. Disconnect the wire

 

 

 

 

 

Stage 1

 

 

 

 

 

 

 

 

Circulator

 

 

 

 

 

 

 

 

 

 

 

 

to the RH terminal and install a jumper

 

 

 

 

 

(SS1)

 

Fault

Energized

Energized

 

 

No

Heat

 

 

Fan Energized

24 Volt

24 Volt

Optional

 

 

 

 

 

 

 

 

 

 

 

 

Indicator

Constantly

Constantly

Cool Mode

Output

Mode

 

 

on Call for

(Hot)

(Hot)

 

24 Volt

 

 

 

 

between RH and RC. Depending on

 

 

 

 

 

 

 

 

(NOT

in

in Heat, Off,

1st Stage

 

 

1st Stage

 

 

Cool (and

Heat

Cool

 

(Com-

 

 

 

 

the system requirements, replace the

 

 

 

 

 

Multi-

 

USED)

Cool Mode

Emergency

 

 

Cool

 

 

Heat Mode

Heat if

 

 

 

 

 

 

mon)

 

 

 

 

 

 

 

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stage 2

 

 

 

 

 

 

Mode

 

 

2nd Stage

configured

 

 

 

 

 

 

 

 

 

 

 

 

cooling transformer with a 75VA class II

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for Electric

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(MS2)

 

 

 

 

 

 

 

 

2nd

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

transformer if needed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stage

 

 

 

 

Heat)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24VAC

 

 

 

 

120VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

 

 

 

 

 

 

120VAC

 

 

 

 

 

24VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOLING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLASS II

 

 

 

HEATING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

CLASS II

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4 – 3-Wire (SPDT) Heat Only Zone Valve Wiring

Jumper

6

Y

W

G

RH RC C

System

Single Stage 3-wire Zone Valve application

Closes Valve

(6)

Opens Valve

(4)

Blower/Circulator Fan Energized

24 Volt

24 Volt

(Hot)

(Hot)

Heat

Cool

(5)

 

Constant

24Volt (Com- mon)

NEUTRAL

24VAC

HOT

120VAC

CLASS II

TRANSFORMER

White-Rodgers is a division of Emerson Electric Co.

The Emerson logo is a trademark and service mark of Emerson Electric Co.

St. Louis, Missouri

www.white-rodgers.com

Image 2
Contents Jumper System Single JumperJumper SystemHeat Pump StageSystem Single Stage 3-wire Zone Valve application JumperConexiones de una sola etapa y multietapa St. Louis, Missouri
Related manuals
Manual 12 pages 49.4 Kb

1F85-0422 specifications

The White Rodgers 1F85-0422 is a highly regarded thermostat known for its innovative features and user-friendly design, making it a popular choice among homeowners and HVAC professionals alike. This programmable thermostat is designed to enhance energy efficiency and comfort in residential settings, allowing users to maintain optimal temperature settings with ease.

One of the standout features of the 1F85-0422 is its programmable functionality, which allows users to set specific heating and cooling schedules for different times of the day and week. This capability helps in reducing energy consumption, as the thermostat can adjust the temperature when the home is unoccupied or during the night when lower temperatures are preferred. With four programmable periods per day, users can easily customize their comfort levels according to their daily routines.

The 1F85-0422 also incorporates advanced technology, including a large, easy-to-read display that clearly shows the current temperature and settings. The backlit LCD screen ensures visibility even in dim lighting, providing convenience for nighttime adjustments. This thermostat features intuitive controls that allow users to navigate through the settings quickly, promoting a straightforward user experience.

Another key characteristic of the White Rodgers 1F85-0422 is its compatibility with various heating and cooling systems. It is designed to work efficiently with gas, electric, and heat pump systems, making it a versatile choice for a wide range of home HVAC configurations. The thermostat also supports multi-stage heating and cooling, ensuring precise temperature control and comfort throughout the home.

Energy-saving features are at the forefront of the 1F85-0422’s design. The thermostat is equipped with an energy-saving mode that optimizes heating and cooling cycles based on the user's preferences and occupancy patterns. Additionally, it provides alerts for regular maintenance, such as filter changes, to ensure that the HVAC system operates at peak efficiency.

In summary, the White Rodgers 1F85-0422 is a programmable thermostat that excels in performance, versatility, and user convenience. Its advanced features, including easy programming, compatibility with various HVAC systems, and energy-saving technologies, make it a reliable choice for enhancing home comfort while minimizing energy costs. Whether you are looking to upgrade your current thermostat or improve your home's energy efficiency, the 1F85-0422 is an excellent option to consider.