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1F51N-619
Low Voltage
Evaporative Cooler Thermostat
INSTALLATION INSTRUCTIONS
PART NO. 37-6960A
0822
Operator: Save these instructions for future use!
This low voltage thermostat is designed to operate with
the White-Rodgers 8A18Z-2 Evaporative Cooler Control.
For versatility, the thermostat subbase has a System
Switch that lets you select VENT, COOL or OFF posi-
tions. The Fan Switch offers the selection of LOW or
HIGH fan speed.
WARNING
!
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 famil-
iar 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 compo-
nents could cause the control to malfunction.
To prevent electrical shock and/or equipment dam-
age, disconnect electric power to system, at main
fuse or circuit breaker box, until installation is
complete.
Do not short out terminals on gas valve or primary
control to test. Short or incorrect wiring will burn
out heat anticipator and could cause personal
injury and/or property damage.
Do not use on circuits exceeding 30 volts. Higher
voltage will damage control and could cause shock
or fire hazard.
PRECAUTIONS
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
SPECIFICATIONS
THERMAL DATA
Temperature Scale Range: 1 to 5 (Cooler to Warmer)
Differential: 1°F
ELECTRICAL DATA
Switch Rating: 24VAC (30VAC max.)
Cooling - 0 to 1.5 Amps
Switch Action: SPST - Snap Action switch
ATTENTION!
This product does not contain mercury. However, this product may replace a unit which contains mercury. Do not open mercury cells. If a
cell becomes damaged, do not touch any spilled mercury. Wearing non-absorbent gloves, take up the spilled mercury with sand or other
absorbent material and place into a container which can be sealed. If a cell becomes damaged, the unit should be discarded. Mercury must
not be discarded in household trash. When the unit this product is replacing is to be discarded, place in a suitable container and refer to
www.white-rodgers.com for location to send the product containing mercury.
CAUTION
!
White-Rodgers is a division
of Emerson Electric Co.
www.white-rodgers.com