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PART NO.

 37-7573B-EN

1535

1F85U-42NP 

(Non-Programmable)

Installation and Operating Instructions

80

 Series

TM

 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 

24

V), Heat only, Cool only or 

Heat/Cool Systems

2/2

Heat Pump (Air Source or Geothermal) 

with Aux. Heat

4/2

Thermostat Installation 

2-4

Wiring 

2

Installer Menu

3-4

Test Equipment

4

Using the Thermostat

5-7

Thermostat  Overview 

5

User Menu

6

Thermostat Operation 

6

Troubleshooting 

7-8

Homeowner Help Line

8

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, 

2.5

A maximum all terminals combined 

Setpoint Range ........................................ 

45° 

to 

99°

 F (

7° 

to 

37° C)

Rated Differentials (@ 

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

RC

Power (

24

V) - Cooling 

RH

Power (

24

V) - Heating 

O/B

6 (not shown) - 

3

 wire zone valve

Reversing Valve or output for

 3

 wire zone valves

Configurable as “O” or “B” Reversing Valve or 3 wire 

zone heat (power close)

Y

1

st Stage Compressor

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)

C

Common wire for 

24V

 (optional with batteries)

L

Heat Pump Malfunction / Diagnostic terminal 

(input signal requires common)

Y2

2

nd Stage compressor

W

2

2

nd Stage Heat (Conventional)

2

nd Stage Auxiliary Heat (Heat Pump)

Can operate as 

1

st Stage Auxiliary Heat 

(See Installer Menu #

15

)

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).

 

THERMOSTAT INSTALLATION

Precautions

•  Do not exceed the specification 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 handing or 

distorting components could cause the control to malfunction. 

WARNING

!

Do not use on circuits exceeding specified voltage. 

Higher voltage will damage control and could 

cause shock or fire 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 affect 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 

hours and the system has not been operational for at least 

5

 minutes. 

2

Содержание 1F85U-42NP

Страница 1: ...s Configurable as O or B ReversingValve or 3 wire zone heat power close Y 1st Stage Compressor 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 C Common wire for 24V optional with batteries L Heat Pump Malfunction Diagnostic terminal input signal requires common Y2 2nd Stage compressor W2 2nd Stage Heat Conventi...

Страница 2: ... Auto position The blower should stop immediately Heating System 1 Press the System button to select the Heat position Heat Pumps only if the auxiliary heating system has a standing pilot be sure to light it 2 Press to adjust thermostat setting to 1 above room temperature The heating system should begin to operate and the thermostat will indicate Heat On 3 For heat pumps with auxiliary Press to ad...

Страница 3: ...U To customize thermostat settings press the Menu button from the home screen Use the or buttons to highlight Settings and press Next Use Next and Back to navigate through menu items Press or to change the setting User s Menu Press Menu button and release Description Default Setting flashing icons Settings Press or 01 Fahrenheit or Celsius F F Fahrenheit C Celsius 02 Temperature Display Adjustment...

Страница 4: ...setting the thermostat If the condition persists contact your HVAC service person Thermostat Display Thermometer Disagree Thermostat display requires adjustment Display can be adjusted 5 See User Menu item 05 Furnace Air Conditioner CyclesToo Fast or Slow narrow or wide temperature swing The location of the thermostat and or the size of the Heating System may be influencing the cycle rate Digital ...

Страница 5: ...iveau du thermostat La mise de niveau du thermostat n est qu à des fins esthétiques et n affectera pas son fonctionnement MISE EN GARDE Pour prévenir les dommages au compresseur ou à d autres biens N utilisez PAS le système de climatisation lorsque la température extérieure est inférieure à 10 C 50 F Ne laissez pas le compresseur fonctionner à moins que les chaufferettes d huile du compresseur ne ...

Страница 6: ...ment 88 Permutation automatique le système alterne automatiquement entre le chauffage et la climatisation OFF On activée OFF désactivée 99 Verrouillage clavier empêche des changements non désirés au thermostat OFF On désactivation des boutons OFF tous les boutons sont actifs MENU DE L INSTALLATEUR suite Remarque Si Starting Soon Démarrage bientôt s affiche la fonction de verrouillage du compresseu...

Страница 7: ...rrouillage du clavier Afin d empêcher les changements indésirables les boutons peuvent être désactivés Pour activer cette fonction gardez et le bouton Menu enfoncés jusqu à ce que l icône s affiche cette option peut aussi être activée dans le menu Pour la désactiver gardez et le bouton Menu enfoncés durant 3 secondes 5 APERÇU DU THERMOSTAT Avant d utiliser le thermostat vous devriez être familier ...

Страница 8: ... fils du système sont bien serrés en place 3 Diagnostic Réglez le sélecteur système à Heat chauffage et haussez le point de consigne au dessus de la température ambiante Le thermostat devrait émettre un léger déclic dans les cinq minutes et Heat On devrait apparaître à l affichage Ce bruit indique que le thermostat fonctionne correctement Si le thermostat n émet pas de déclic effectuez l opération...

Страница 9: ... o B o como calefacción de zona de 3 cables alimentación cerrada Y Compresor de 1ra etapa convencional o bomba de calor G Relé del ventilador W E Calefacción de 1ra etapa convencional Calefacción auxiliar de 1ra etapa bomba de calor Puede funcionar como calefacción de emergencia solamente ver Menú de instalación N 15 C Cable neutro para 24 V opcional con pilas L Terminal de falla diagnóstico de la...

Страница 10: ...n Solo para bombas de calor si el sistema de calefacción auxiliar tiene un piloto asegúrese de encenderlo 2 Presione para ajustar la configuración del termostato en 1 por encima de la temperatura ambiente El sistema de calefacción deberá comenzar a funcionar y el termostato indicará Heat On calefacción encendida 3 Para bomba de calor con calefacción auxiliar Presione para ajustar la configuración ...

Страница 11: ...r la opción Menú del usuario N Presione el botón Menu y suéltelo Descripción Configuración predeterminada iconos intermitentes Opciones Presione o 01 Tipo de programación se establece como de 7 días 5 1 1 días o no programable 5 7 7 días 5 5 1 1 días 0 no programable 02 Define los períodos por día 4 2 partir regresar 4 despertar partir regresar dormir 03 Comienzo temprano comienza a calentar o enf...

Страница 12: ...blanco o no responde al presionar los botones el termostato se debe reiniciar retirando las pilas durante 2 minutos Este reinicio no cambiará la configuración del menú ni el programa Si la condición persiste luego de volver a colocar las pilas reemplace el termostato Para reestablecer convenientemente solo la programación y la configuración del usuario a los valores predeterminados de fábrica pres...

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