Instructions / Assembly

ManualsBrandsEmerson ManualsHeating, Venting & CoolingNon-Programmable Universal (up to 2H/2C) Digital Thermostat

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.

Summary of content (4 pages)

PAGE 1
F85U-22NP (Non-Programmable) Installation and Operating Instructions 80 Series Universal Thermostat Battery Powered or Hardwired with Common TM THERMOSTAT INSTALLATION WIRING Refer to equipment manufacturer’s instructions for specific system wiring information. After wiring, see INSTALLER MENU for proper thermostat configuration. 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).
PAGE 2
RC/RH Jumper Wire This thermostat electrically connects the RC and RH terminals so a jumper wire is not required. If the application provides a separate wire for RC and RH, clip the RC/RH jumper. This will isolate both terminals so they can be independently used. INSTALLER MENU Battery Location Premium AA alkaline batteries are required when C-wire is not available. When C-wire is available, the batteries provide a back-up source of power (this will maintain the clock in the event of a power outage).
PAGE 3
USER MENU USING THE THERMOSTAT THERMOSTAT OVERVIEW Before you begin using your thermostat, you should be familiar with its features, display and the location/operation of the thermostat buttons and switches. THERMOSTAT BUTTONS AND SWITCHES THE DISPLAY 1.) Fan Button 8.) Next (Menu button) is used to navigate within a menu 2.) Away Button (set a frequently used temperature) 9.) Back (Fan button) is used to navigate within a menu 3.) System Button 10.) Exit (Away button) returns to the home screen 4.
PAGE 4
TROUBLESHOOTING Symptom Possible Cause 1.) Blown fuse or tripped circuit breaker 2.) Furnace power switch to OFF No Heat/ No Cool/ 3.) Furnace blower compartment No Fan door panel loose or not properly (common problem) installed 4.) Loose connection to thermostat or system 1.) System not set to Heat 2.) Loose connection to thermostat or system 3.) Heating System requires service or thermostat requires replacement No Heat No Cool 1.) System not set to Cool 2.) Loose connection to thermostat or system 3.