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Manual Emerson 1F85U-22NP Thermostat

Name: Emerson 1F85U-22NP Thermostat
Brand: Emerson
SKU: 1F85U-22NP
Rating: 100 (1 reviews)

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Manual

PART NO. 37-7572B-EN

1535

1F85U-22NP (Non-Programmable)

Installation and Operating Instructions

80 Series

Universal Thermostat

Battery Powered or Hardwired with Common

white-rodgers.com

emersonclimate.com

Thermostat Applications

Maximum

Stages

Heat/ Cool

Conventional Gas, Oil, Electric

(mV and 24V), Heat only, Cool only or

Heat/Cool Systems

2/2

Heat Pump (Air Source or Geothermal)

with Aux. Heat

2/1

Thermostat Installation

2-4

Wiring

Installer Menu

3-4

Test Equipment

Using the Thermostat

5-7

Thermostat Overview

User Menu

Thermostat Operation

Troubleshooting

7-8

Homeowner Help Line

INDEX

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.

Refer to www.thermostat-recycle.org for information

on disposing of products containing mercury.

Electrical Rating:

Battery Power ..................................... mV to 30 VAC, NEC Class II, 50/60 Hz

Input-Hardwire .................................... 20 to 30 VAC, NEC Class II, 50/60 Hz

Terminal Load .......................................... 1.5 A per terminal, 2.5A maximum all terminals combined

Setpoint Range ........................................ 45° to 99° F (7° to 37° C)

Rated Dierentials (@ 6°F/ Hr): Fast Med Slow

Heat (Conventional Gas / Oil / Elect) ..... 0.5°F 0.75°F 1.9°F

Cool (Central Air) ................................. 0.9°F 1.2°F 1.7°F

Heat Pump (Heat and Cool) ................ 0.9°F 1.2°F 1.7°F

Heat Pump Aux. .................................. 0.5°F 0.75°F 1.9°F

Operating Ambient .................................. 32°F to +105°F (0° to +41°C)

Display Temperature Range ....................... 32°F to +99°F (0 to 37°C)

Operating Humidity ................................. 90% non-condensing maximum

Shipping Temperature Range ................... -20°F to + 150°F (-29° to +65°C)

Thermostat Dimensions ........................... 3-3/4” H x 6” W x 1-1/8” D

SPECIFICATIONS

Optional Accessory: Wall Cover-Up Plate F61-2663, 6-3/4” W x 4-1/2” H

Terminal Designations Terminal Function

Power (24V) - Cooling

Power (24V) - Heating

O/B

6 (not shown) - 3 wire zone valve

Reversing Valve or output for 3 wire zone valves

Congurable as “O” or “B” Reversing Valve or 3 wire

zone heat (power close)

1st Stage Compressor (conventional or heat pump)

G Fan Relay

W/E

1st Stage Heat (conventional);

1st Stage Auxiliary Heat (heat pump)

Can operate as Emergency Heat only

(See Installer Menu #15)

Common wire for 24V (optional with batteries)

Heat Pump Malfunction / Diagnostic terminal

(input signal requires common)

Y2 2nd Stage compressor (conventional only)

2nd Stage Heat (Conventional)

Can operate as 1st Stage Auxiliary Heat

(See Installer Menu #15)

WIRING

Refer to equipment manufacturer’s instructions for specic system wiring information. After wiring, see

INSTALLER MENU for proper thermostat conguration. Wiring table shown are for typical systems and

describe the thermostat terminal functions. Wiring will change when dedicated emergency heat is on

(See Installer Menu #15).

THERMOSTAT INSTALLATION

Precautions

• Do not exceed the specication ratings.

• All wiring must conform to local and national electrical codes and ordinances.

• This control is a precision instrument, and should be handled carefully. Rough handling or

distorting components could cause the control to malfunction.

WARNING

Do not use on circuits exceeding specied voltage.

Higher voltage will damage control and could

cause shock or re hazard.

Do not short out terminals on gas valve or primary

control to test. Short or incorrect wiring will burn

out thermostat and could cause personal injury

and/or property damage.

CAUTION

To prevent electrical shock and/or equipment

damage, disconnect electrical power to system,

at main fuse or circuit breaker box,until

installation is complete.

Leveling Thermostat

Leveling is for appearance only and

will not aect thermostat operation.

CAUTION

To prevent compressor and/or property damage, if the outdoor temperature is below 50°F,

DO NOT operate the cooling system.

Do not allow the compressor to run unless the compressor oil heaters have been operational

for 6 hours and the system has not been operational for at least 5 minutes.

Rating

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Join the conversation about this product

Here you can share what you think about the Emerson 1F85U-22NP Thermostat. If you have a question, first carefully read the manual. Requesting a manual can be done by using our contact form.

Mark Shroyer 16-06-2021
The light on my thermostat is not going off. How do I turn it off?

reply | This was helpful (1)

Martha Gordon 28-06-2021
The thermostat turns off and on too often

reply | This was helpful (0)

Catherine Davis 19-06-2022
My ac is not blowing

reply | This was helpful (0)

Catherine Davis 19-06-2022
My AC is not blowing

reply | This was helpful (0)

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Specifications

Brand	Emerson
Model	1F85U-22NP
Category	Thermostats
File type	PDF
File size	2.11 MB

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Frequently Asked Questions about Emerson 1F85U-22NP Thermostat

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

What is the dead zone of a thermostat? Verified

Many modern thermostats have a dead zone. If the temperature deviates less than 4°C from the set temperature, the system will not heat or cool. This so called dead zone of the thermostat prevents the system from turning on and off too often, saving energy.

This was helpful (1588) Read more

What is the best place to mount a thermostat? Verified

The best place for a thermostat is approximately 1,5 meter above the ground. Never place the thermostat nead a radiator or other heat emitting equipment or in direct sunlight. Choose a room that is used often. In most cases this is the living room.

This was helpful (990) Read more