White Rodgers 1A11-2 User Manual
1A11-2
WHITE-RODGERS
Operator: 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.
The 1A11-2 thermostat controls line voltage valves and/
or blower motors on fan coil units in manual changeover,
heating/cooling systems. It features a system switch for
manual selection of heat -off-cool, a three speed manual
fan control switch, an adjustable temperature dial with a
36 to 90°F range, and an indicating thermometer, all
combined in one deluxe-styled control.
Color-coded leads are provided for connection to field
wiring. The thermostat can be wired to perform the
following functions:
- Thermostat cycles both fan and valve.
- Thermostat cycles fan only.
- Thermostat cycles valve only.
- System switch “OFF” breaks all circuits.
Fan Coil Heating-Cooling Thermostat
INSTALLATION INSTRUCTIONS
DESCRIPTION
50
60
70
80
90
WHITE-RODGERS
60
70
50
40
80
90
FAN
SYSTEM
HIGH
MED
LOW
HEAT
OFF
COOL
If in doubt about whether your wiring is millivolt, line, or
low voltage, have it inspected by a qualified heating and
air conditioning contractor, electrician, or someone familiar with basic electricity and wiring.
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.
PRECAUTIONS
CAUTION
!
To prevent electrical shock and/or equipment
damage, disconnect electric power to system, at
main fuse or circuit breaker box, until installation is complete.
WARNING
!
Do not use on circuits exceeding specified voltage. Higher voltage will damage control - could
cause shock or fire hazard.
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
Printed in U.S.A.
PART NO. 37-4113D
Replaces 37-4113C
9609
SPECIFICATIONS
FAN
SYSTEM
LOW
HEAT
50
60
WHITE-RODGERS
70
80
90
40
40
50
60
70
80
90
4 x 4
JUNCTION
BOX
ADAPTER PLATE
(NOT PROVIDED)
USE 2 x 4 OR 4 x 4
JUNCTION BOX
1A11-2
MOUNTING
SCREWS (2)
Switch Action: SPDT
(Heating - open on rise)
(Cooling - close on rise)
Temperature Range: 36°F to 90°F (2°C to 32°C)
CAUTION
!
When the thermostat is set below 40°F (5°C),
damage to the building and/or contents may
result due to freezing. This is possible due to
factory calibration tolerances, thermostat location and operating characteristics of the heating
equipment.
System Switch: Heat - Off - Cool
Fan Switch : Low - Medium - High
INSTALLATION
SELECT THERMOSTAT LOCATION
Proper location insures that the thermostat will provide a
comfortable home temperature. Observe the following
general rules when selecting a location:
1. Locate thermostat about 5 ft. above the floor.
2. Install thermostat on a partitioning wall, not on an
outside wall.
3. Never expose thermostat to direct light from lamps,
sun, fireplaces or any temperature radiating equipment.
4. Avoid locations close to windows, adjoining outside
walls, or doors that lead outside.
5. Avoid locations close to air registers or in the direct
path of air from them.
6. Make sure there are no pipes or duct work in that part
of the wall chosen for the thermostat location.
7. Never locate thermostat in a room that is warmer or
cooler than the rest of the home, such as the kitchen.
8. Avoid locations with poor air circulation, such as
behind doors or in alcoves.
9. The living or dining room is normally a good location,
provided there is no cooking range or refrigerator on
opposite side of wall.
Contact Structure: Snap action
Electrical Rating:
VOLTAGE (AC) 120V 240V 277V
Full Load Amps. 5.5 2.75 2.3
Locked Rotor Amps. 33.0 16.5 13.8
Pilot Duty 125VA
Mounting: Standard 2 x 4 inch outlet box or 2-ganged
outlet boxes. Mounting screws are provided with the
thermostat. With a standard adapter plate (not provided),
this thermostat may be mounted on a 4 inch square
junction box
Install the thermostat as follows:
1. Before mounting, connect system wiring to proper
color-coded leads at rear of thermostat. Follow equipment manufacturer's instructions or refer to wiring
diagram for typical system hookups.
2. Remove thermostat cover by grasping top and bottom
of cover and pull straight out. Dress wiring into junction
box and secure thermostat to outlet box with mounting
screws.
NOTE
DO NOT PUSH OR DAMAGE THE KNOB SENSING
ELEMENT DURING INSTALLATION.
3. Install thermostat cover, turn knob to desired setting,
and set selector switches for the appropriate system
function and fan speed.
INSTALL THERMOSTAT
CAUTION
!
To prevent electrical shock and/or equipment
damage, disconnect electric power to system at
main fuse or circuit breaker box until installation
is complete.
The thermostat may be mounted on a standard 2 x 4 inch
vertical outlet box or 2-ganged outlet boxes. When mounting to a 4 x 4 inch junction box is required, use of a
standard adapter plate (not provided) is necessary. USE
COPPER CONDUCTORS ONLY.
2
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