Starting The Thermostat; A Quick Test; Troubleshooting - ICM Controls SC2000 Installation, Operation & Application Manual

SC2000 – Heating Only
3-Wire, Single Transformer
Pre-Installed Jumper
HOT
RH
120 VAC 24 VAC
RC
Heating
W
Control
Y
B
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
HOT HOT
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
120 VAC 24 VAC
C
Heating
W
Control
Y
B
O
Fan
G
Control
SC2001 – Heat Pump
Cool Active
Reversing Valve Reversing Valve
R
Transformer Transformer
T
HOT
C
H
24 VAC 120 VAC
E
W
R
M
Compressor
Y
O
Contactor
S
B
T
A
Reversing
O
T
Valve
Fan
G
Relay
Place jumper between "W" and "Y" terminals.
2-Wire, Single Transformer or Millivolt
RH RC
Pre-Installed Jumper
Thermopile
T or
Transformer
H
Heating
E
Control
R
M
O
S
T
A
T
SC2000 – Cool Only
3-Wire,
Single Transformer
Pre-Installed Jumper
Transformer
RH
HOT
RC
T
120 VAC 24 VAC
H
E
W
R
M
Cooling
Y
O Control
S
B T
A
T
O
Fan
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
T
120 VAC 24 VAC
H
E
Heating
R
Control
M
O
S
T
A
T
SC2001 – Cool Only
Heat Active 4-Wire
Single Transformer
R
Transformer
T
HOT
C
H
24 VAC 120 VAC 24 VAC
E
W
R
M
Compressor Cooling
Y
O
Control
Contactor
S
Reversing
B
T
Valve
A
O
T
Fan Fan
G
Relay Control
Millivolt systems may require a
transformer and/or an isolation
relay to operate properly.
Enter configuration by simultaneously pressing both the
Use the and
RH RC
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
RH
RC
T • Heat time delay
H
– H0 = No time delay between heat calls
E
W
R
– H1 = 4-minute time delay between heat calls
M
Y
O
S
B T
A
T
O
1. Place Cool/Off/Heat switch to the Cool or Heat position.
2. Press the or
G
3. Press the or
4. The new temperature setpoint is automatically saved in memory. After 5 seconds, the display returns to showing
the current room temperature.
Move the
Cool/Off/Heat switch to the Cool or Heat position, depending on the season.
CAUTION!: Do not switch system to cool if the temperature is below 50°F (10°C). This can damage the
RH
RC
Do not short jumper across terminals on the gas valve or at the system control to test installation.
T
H
Action: Set the Cool/Off/Heat switch to Cool. Press the down button until the temperature
E
W
setting is 3°F below the room temperature.
R
M
Result: The A/C system and fan should turn on.
Y
O
S
Action: Set the Cool/Off/Heat switch to Off.
B T
Result: The A/C should turn off (There may be a fan delay).
A
T
O
Action: Set the Cool/Off/Heat switch to Heat. Press the up button until the temperature
setting is 3°F above the room temperature.
G
Result: The heating system and fan should turn on (There may be a time delay depending on your
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.
Symptom
The system isn't turning on
LCD is blank, or displaying "LO BAT"
Thermostat is not properly controlling
the fan
Thermostat is continuously turning on
and off
Temperature displayed is not accurate
R
T
C
H
E
W
R
M
Y
O
S
B
T
A
O
T
G
R
T
C
H
The Seller warrants its products against defects in material or workmanship for a period of one (1) year from the date of
E
manufacture. The liability of the Seller is limited, at its option, to repair, replace or issue a non-case credit for the purchase
W
R
prices of the goods which are provided to be defective. The warranty and remedies set forth herein do not apply to any goods
M
or parts thereof which have been subjected to misuse including any use or application in violation of the Seller's instructions,
Y
O 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
S
information or any other pertinent data as requested by the Seller. 2) Permit the Seller to inspect and test the product claimed
B
T
to be defective. Items claimed to be defective and are determined by Seller to be non-defective are subject to a $30.00
A
per hour inspection fee. This warranty constitutes the Seller's sole liability hereunder and is in lieu of any other warranty
O
T
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.
G
(Toll Free) 800-365-5525
Configuration
and
buttons to change the setting. Press both the
temperature differential. A larger differential results in longer run times.
Setting the Setpoint Temperature
button a single time to see the current temperature settting.
button until the desired temperature setpoint displays.

Starting the Thermostat

A Quick Test

air conditioning system and may cause personal injury.
system).

Troubleshooting

Check the wiring (see Installation)
Check the batteries (SC2000 only)
SC2000: Replace batteries, or make sure the existing ones are properly
installed (see Installing and Changing Batteries)
SC2001: Verify 24 VAC is at thermostat.
Check that the Gas/Electric jumper setting matches your system (gas
or electric)
Increase the temperature differential
(see Configuration)
Plug the hole for wiring behind the thermostat with non-flammable
insulation to prevent airflow into the thermostat
ONE-YEAR LIMITED WARRANTY
7313 William Barry Blvd., North Syracuse, NY 13212
(Phone) 315-233-5266
www.icmcontrols.com
buttons for 1 second while in OFF mode.
or buttons to advance to the next
Remedy
(Fax) 315-233-5276
LIAF128-1