SC1001/SC1001V Wiring Diagrams
Heating Only
3-Wire, Single Transformer
4-Wire, Single Transformer
Fan
Control
Heating and Cooling
5-Wire, Single Transformer
Fan
Control
Cooling Only
4-Wire
Single Transformer
T
H
E
R
M
O
S
T
A
T
R
C
Y
G
W
B
O
2
4 VAC
120 VAC
HOT
Transformer
Cooling
Control
Fan
Control
Operation
A Quick Test
CAUTION!
:
Do not switch system to cool if the temperature is below 50°F. This can
damage the air conditioning system and may cause personal injury.
Do not short jumper across terminals on the gas valve or at the system control to test
installation.
Action:
Set the
Cool/Off/Heat
switch to
Cool
. Slide the temperature bar down to lowest setting
(45°F).
Result:
The A/C system and fan should turn on.
Action:
Set the
Cool/Off/Heat
switch to
Off
.
Result:
The A/C should turn off (There may be a fan delay).
Action:
Set the
Cool/Off/Heat
switch to
Heat
. Slide the temperature bar up to highest setting (90°F).
Result:
The heating system and fan should turn on (There may be a time delay depending
on your system).
Action:
Set the
Cool/Off/Heat
switch to
Off
.
Result:
The heating system should turn off (There may be a fan delay).
Action:
Set the
Fan Auto/On
switch
On
.
Result:
The blower fan should turn on.
Action:
Set the
Fan Auto/On
switch to
Auto
.
Result:
The blower fan should turn off.
If the above test was successful, you have a proper installation. Be sure to return your thermostat bar
to your desired setting.
If not:
Double check that wires are securely connected and are connected to the proper terminals.
Consult the troubleshooting section.
ONE-YEAR LIMITED WARRANTY
The Seller warrants its products against defects in material or workmanship for a period of one (1) year
from the date of manufacture. The liability of the Seller is limited, at its option, to repair, replace or issue
a non-case credit for the purchase prices of the goods which are provided to be defective. The warranty
and remedies set forth herein do not apply to any goods or parts thereof which have been subjected to
misuse including any use or application in violation of the Seller’s instructions, neglect, tampering, improper
storage, incorrect installation or servicing not performed by the Seller. In order to permit the Seller to properly
administer the warranty, the Buyer shall: 1) Notify the Seller promptly of any claim, submitting date code
information or any other pertinent data as requested by the Seller. 2) Permit the Seller to inspect and test
the product claimed to be defective. Items claimed to be defective and are determined by Seller to be non-
defective are subject to a $30.00 per hour inspection fee. This warranty constitutes the Seller’s sole liability
hereunder and is in lieu of any other warranty expressed, implied or statutory. Unless otherwise stated
in writing, Seller makes no warranty that the goods depicted or described herein are fit for any particular
purpose.
LIAF002
Patent No. 424,953
7313 William Barry Blvd., North Syracuse, NY 13212
(
Toll Free
) 800-365-5525 (
Phone
) 315-233-5266 (
Fax
) 315-233-5276
www.icmcontrols.com
Heat Pump
Heat Active
Reversing Valve
Cool Active
Reversing Valve
T
H
E
R
M
O
S
T
A
T
R
C
Y
G
W
B
O
T
H
E
R
M
O
S
T
A
T
R
C
Y
G
W
B
O
2
4 VAC
120 VAC
HOT
Transformer
2
4 VAC
120 VAC
HOT
Transformer
Compressor
Contactor
Reversing
Valve
Compressor
Contactor
Reversing
Valve
Place jumper between “W” and “Y” terminals.
Fan
Control
Fan
Control
Setting the Room Temperature (Setpoint Temperature)
Step 1:
Slide the temperature bar to your desired setting.
Step 2:
Move the
Fan Auto/On
switch into the
Auto
position.
Step 3:
Move the
Cool/Off/Heat
switch to
Cool
or
Heat
, depending on the season.
Troubleshooting
Symptom
Remedy
The system isn’t turning on
Check the wiring diagrams
Verify 24 VAC is at thermostat
Thermostat is not properly controlling
the fan
Check that the
Gas/Electric
jumper setting matches your
system (gas or electric)
Temperature setting does not appear
accurate
Verify no heat producing objects are located near the
thermostat
Verify thermostat has adequate air flow to it
