SC2000 – Heating Only
3-Wire, Single Transformer
RH RC
Pre-Installed Jumper
HOT
RH
120 VAC
24 VAC
RC
T
H
Heating
E
W
Control
R
M
Y
O
S
T
B
A
T
O
Fan
G
Control
SC2000 – Heat Pump
Cool Active
Heat Active
Reversing Valve
Reversing Valve
RH RC
Pre-Installed Jumper
Pre-Installed Jumper
Transformer
Transformer
RH
RH
HOT
HOT
RC
RC
T
120 VAC
24 VAC
120 VAC
H
E
W
R
M
Compressor
Compressor
Y
Contactor
O
Contactor
S
Reversing
B
T
Valve
A
T
O
Fan
Fan
G
Relay
Relay
Note: Place jumper between "W" and "Y" terminals.
SC2001 – Heating and Cooling
4 or 5-Wire, Single Transformer
Transformer
HOT
120 VAC
24 VAC
SC2001 – Heating Only
4-Wire, Single Transformer
Transformer
HOT
R
T
120 VAC
24 VAC
C
H
E
Heating
W
R
Control
M
Y
O
S
B
T
A
O
T
Fan
G
Control
SC2001 – Heat Pump
Cool Active
Heat Active
Reversing Valve
Reversing Valve
R
Transformer
Transformer
T
HOT
C
H
24 VAC
120 VAC
24 VAC
E
W
R
M
Compressor
Compressor
Y
O
Contactor
Contactor
S
Reversing
B
T
Valve
A
Reversing
O
T
Valve
Fan
Fan
G
Relay
Relay
Place jumper between "W" and "Y" terminals.
All manuals and user guides at all-guides.com
2-Wire, Single Transformer or Millivolt
RH RC
Pre-Installed Jumper
RH
Thermopile
or
RC
T
Transformer
H
Heating
E
W
Control
R
M
Y
O
S
B
T
A
T
O
G
SC2000 – Cool Only
3-Wire,
Single Transformer
Pre-Installed Jumper
Transformer
RH
HOT
RC
T
T
120 VAC
24 VAC
H
H
E
E
W
W
R
R
M
M
Cooling
Y
Y
O
Control
O
S
S
B
T
B
T
A
A
T
T
O
O
Fan
G
G
Control
Note: Millivolt system may require a
transformer and/or an isolation
relay to operate properly
R
T
(Optional)
C
H
E
Heating
W
R
Control
M
Cooling
Y
O
Control
S
B
T
A
O
T
Fan
G
Control
Transformer
HOT
R
T
120 VAC
24 VAC
C
H
E
Heating
W
R
Control
M
Y
O
S
B
T
A
O
T
G
SC2001 – Cool Only
4-Wire
Single Transformer
R
R
Transformer
T
T
HOT
C
C
H
H
120 VAC
24 VAC
E
E
W
W
R
R
M
M
Cooling
Y
Y
O
O
Control
S
S
B
B
T
T
A
A
O
O
T
T
Fan
G
G
Control
Millivolt systems may require a
transformer and/or an isolation
relay to operate properly.
Configuration
Enter configuration by simultaneously pressing both the
Use the
and
buttons to change the setting. Press both the
configuration screen. Exit configuration by sliding the Cool/Off/Heat mode switch to Heat or Cool mode.
• F/C: Select to operate in Fahrenheit or Celsius
• Differential 1-5: Default set to 1 degree. When heating or cooling turn on too frequently you can increase the
temperature differential. A larger differential results in longer run times.
• Heat time delay
– H0 = No time delay between heat calls
– H1 = 4-minute time delay between heat calls
Setting the Setpoint Temperature
1. Place Cool/Off/Heat switch to the Cool or Heat position.
2. Press the
or
button a single time to see the current temperature settting.
3. Press the
or
button until the desired temperature setpoint displays.
4. The new temperature setpoint is automatically saved in memory. After 5 seconds, the display returns to showing
the current room temperature.
Starting the Thermostat
Move the
Cool/Off/Heat switch to the Cool or Heat position, depending on the season.
A Quick Test
CAUTION!: Do not switch system to cool if the temperature is below 50°F (10°C). 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. Press the down button until the temperature
setting is 3°F below the room temperature.
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. Press the up button until the temperature
setting is 3°F above the room temperature.
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 to 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.
If not: Double check that wires are securely connected and are connected to the proper terminals. Consult the
troubleshooting section.
Troubleshooting
Symptom
The system isn't turning on
Check the wiring (see Installation)
Check the batteries (SC2000 only)
LCD is blank, or displaying "LO BAT"
SC2000: Replace batteries, or make sure the existing ones are properly
installed (see Installing and Changing Batteries)
SC2001: Verify 24 VAC is at thermostat.
Thermostat is not properly controlling
Check that the Gas/Electric jumper setting matches your system (gas
the fan
or electric)
Thermostat is continuously turning on
Increase the temperature differential
and off
(see Configuration)
Temperature displayed is not accurate
Plug the hole for wiring behind the thermostat with non-flammable
insulation to prevent airflow into the thermostat
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.
7313 William Barry Blvd., North Syracuse, NY 13212
(Toll Free) 800-365-5525
(Phone) 315-233-5266
www.icmcontrols.com
and
buttons for 1 second while in OFF mode.
or
buttons to advance to the next
Remedy
(Fax) 315-233-5276
LIAF128-1
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