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Changing Fahrenheit (F) to Celsius (C)
The thermostat is preset to display the temperature in degrees
Fahrenheit. You may change the display readout to Celsius if desired.
1. Move the manual switch marked “F” (Fahrenheit) and “C” (Celsius)
located at the top center of the circuit board to the desired setting.
(See page 4)
2. Press RESET button located lust below the LCD display to register
the change.
The display will change to show the temperature in your desired temper-
ature scale. To return the thermostat to its original setting, repeat steps 1
and 2 above.
Troubleshooting
Symptom Remedy
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120 VAC
24 VAC
Transformer
Hot
HEATING
CONTROL
Wiring Diagrams
The following is just a sample of the most common types of HVAC sys-
tems. Refer to your systems installation manual for wiring information.
Thermostat does not turn
on system
Check Wiring
(See “INSTALLATION”)
Check fuse. Replace with 2 amp
fuse if fuse has opened.
Thermostat turns on and
off too frequently.
Increase Temperature Differential
(See “DIFFERENTIAL).
Display is blank, flashing
or constant “LO BAT”.
Replace batteries.
System fan does not
operate properly.
Move fan option switch to either
gas or electric, to match system.
(See Installation).
Thermostat does not display
proper room temperature.
Check “F” Fahrenheit/”C” Celsius
switch located at top center of cir-
cuit board for proper position. If a
new selection is made, press
“RESET” button located directly
below LCD display..
Five Year Limited Warranty
Maple Chase Company warrants to the original contractor installer or
to the original consumer user, each new Maple Chase thermostat to be
free from defects in materials and workmanship under normal use and
service for a period of five (5) years from date of purchase. This warranty
and our liability does not apply to batteries or the merchandise that has
been damaged, caused by misuse, neglect, mishandling, alterations,
improper installation, or use in a way other than in accordance with
Maple Chase Company recommendations and instructions.
Maple Chase Company agrees to repair or replace at its option any
thermostat under warranty provided it is returned within the warranty
period, postage prepaid, with proof of the date of purchase. Cost of ther-
mostat removal or reinstallation is not the responsibility of Maple Chase
Company.
Repair or replacement as provided under this warranty is the exclusive
remedy of the consumer. Maple Chase Company shall not be liable for
any incidental or consequential damages for breach of any express or
implied warranty on this product, or under any other theory of liability.
Except to the extent prohibited by applicable law, any implied warranty of
merchantability or fitness for a particular purpose on this product is limit-
ed to the duration of this warranty.
Some states do not allow the exclusion or limitation of incidental or con-
sequential damages, or allow limitations on how long an implied warranty
lasts, so the above limitations or exclusions may not apply to you. This
warranty gives you specific legal rights, and you may also have other
rights which vary from state to state.
©1999 Maple Chase Company 110-735
Maple Chase Company
2820 Thatcher Road
Downers Grove, Illinois 60515
United States of America
A Siebe Group Company
If problems with thermostat cannot be solved, call:
Technical Support: (800) 445-8299
Monday-Friday 7:30-5:30 CST
For after hours service, a 24-hour
Automated Help Line is available
For warranty returns, send thermostat, shipping prepaid to:
Uni-Line North America
Warranty Claims Department
515 S. Promenade
Corona, CA 91719
HEAT ONLY
2-WIRE
SINGLE TRANSFORMER
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Gas valve
Pilot
Generator
250-750
MILLIVOLT SYSTEM
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FAN
CONTROL
HEATING
CONTROL
120 VAC
24 VAC
Transformer
Hot
HEAT ONLY
3-WIRE
SINGLE TRANSFORMER
CAUTION: DO NOT USE THIS THERMOSTAT WITH MULTI-STAGE HEATING SYSTEMS.