White Rodgers BLUE 2 SINGLE STAGE 1F86-0244 User's Manual

White Rodgers Thermostats User's Manual - BLUE 2 SINGLE STAGE 1F86-0244.
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This thermostat is intended for use with a low voltage NEC 

Class II system. Do not use this thermostat with a line voltage 

system. If in doubt about whether your wiring is millivolt, line, 

or low voltage, have it inspected by a qualified heating and air 

conditioning contractor or electrician.
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 handling or distorting components could 

cause the control to malfunction.

Blue 2” Single Stage Thermostat

Installation and Operating Instructions

Save these instructions for future use!

FAILURE  TO  READ  AND  FOLLOW  ALL  INSTRUCTIONS 
CAREFULLY BEFORE INSTALLING OR OPERATING THIS 
CONTROL  COULD  CAUSE  PERSONAL  INJURY  AND/OR 
PROPERTY DAMAGE.

APPLICATIONS 

For use with the following Class II systems:

•  Single Stage systems

•  Single-stage heat pump systems with no Aux heat 

DO NOT USE WITH:

•  Systems exceeding 30 VAC and 1.5 amps

•  3-wire zoned hydronic heating systems

1F86-0244 Thermostat

Model

Programming Choices

1F86-0244

Non-Programmable

SPECIFICATIONS 
Electrical Rating:

 

Battery Power .................................................  mV to 30 VAC, 50/60 Hz or DC

 

Input-Hardwire ................................................  20 to 30 VAC

Terminal Load ........................................................  1.0 A per terminal, 1.5A maximum all terminals combined

Setpoint Range ......................................................  45° to 90°F (7° to 32°C)

Differential (Single Stage) ......................................  Heat 0.6°F; Cool 1.2°F (adjustable)

Differential (Heat Pump) ........................................  Heat 1.2°F; Cool 1.2°F (adjustable)

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

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

Shipping Temperature Range ................................  -40° to +150°F (-40° to +65°C)

Dimensions Thermostat .........................................  3-3/4” H x 4-3/4” W x 1-1/2” D

PRECAUTIONS 

To prevent electrical shock and/or equipment damage, 
disconnect  electric  power  to  system  at  main  fuse  or 
circuit breaker box until installation is complete.

CAUTION

!

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 damage 
thermostat  and  could  cause  personal  injury  and/or 
property damage.
Thermostat  installation  and  all  components  of  the 
system  shall  conform  to  Class  II  (current  limited) 
circuits per the NEC code. Failure to do so could cause 
a fire hazard.

WARNING

!

www.white-rodgers.com

PART NO. 37-7010B 

Replaces 37-7010A

0921

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