White Rodgers 1F87-0261 User Manual
www.white-rodgers.com
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.
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.
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
• 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
• Systems exceeding 30 VAC and 1.5 amps
• 3-wire zoned hydronic heating systems
1F87-0261 Thermostat
Model
Programming Choice
1F87-0261
7 Day 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
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.
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.
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
!
PART NO. 37-7038B
Replaces 37-7038A
0950