ICM Controls SC 3801 Instructions générales
2 Heat/2 Cool
7-Day Programmable
Hardwired
SC 3801
Programmable Electronic Thermostat
• Programmable and Configurable
• Single/Dual Stage Heat Pump Systems
• Single/Dual Stage Heat/Cool Systems
• Backlit Display
• Auto Changeover
• Simpleset
®
7 Day Programming
• Compatible with Gas, Oil, or Electric
• Title 24 Compliant/No Batteries Required
• Relay Outputs
(minimum voltage drop in thermostat)
• Ideally Suited for:
– Residential (New Construction/Replacement), Light Commercial
Installation, Operation & Application Guide
For more information on our complete range of American-made
products – plus wiring diagrams, troubleshooting tips and more,
visit us at www.icmcontrols.com
Specifications ........................................................................................................1
Important Safety Information ...............................................................................1
Package Contents/Tools Required.........................................................................1
To Remove Existing Thermostat ..........................................................................2
To Install Thermostat ............................................................................................2
Remote Sensor Installation (Optional) ..................................................................4
Wiring Diagrams................................................................................................ 5-6
Wiring Diagram Conversions ........................................................................... 7-18
Configuration Mode....................................................................................... 19-22
Testing the Thermostat ......................................................................................23
Mode of Operation ..............................................................................................24
Operating Modes ................................................................................................25
Setting the Time and Day of the Week ...............................................................26
Programming ......................................................................................................27
Simpleset®Programming ....................................................................................29
Lockout Function ................................................................................................29
Factory Preprogramming ....................................................................................30
Personal Program Schedule ................................................................................30
Troubleshooting ..................................................................................................33
Table of Contents
1
Electrical rating: • 24 VAC (18-30 VAC)
• 1 amp maximum per terminal
• 4 amp maximum total load
Temperature control range: 45°F to 90°F (7°C to 32°C) Accuracy: ± 1°F (± 0.5°C)
System configurations: 2-stage heat, 2-stage cool, heat pump, gas, oil, electric
Terminations: R, C, W1/O/B, Y1, W2, Y2, G, S1, S2
Specications
WARNING!
:Always turn off power at the main power supply before installing, cleaning, or removing
thermostat.
• This thermostat is for 24 VAC applications only; do not use on voltages over 30 VAC
• Do not short across terminals of gas valve or system control to test operation; this will damage your
thermostat and void your warranty
• All wiring must conform to local and national electrical and building codes
• Do not use air conditioning when the outdoor temperature is below 50 degrees; this can damage your
A/C system and cause personal injuries
• Use this thermostat only as described in this manual
Important Safety Information
Package includes: SimpleComfort®3801 programmable thermostat on base, labeled thermostat cover,
wiring labels, screws and wall anchors, Owner’s Manual, Installation, Operation and
Application Guide.
Tools required for installation: Drill with 3/16” bit, hammer, screwdriver.
Package Contents/Tools Required
2
ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse
or switching the appropriate circuit breaker to the OFF position before removing the existing
thermostat.
1. Turn off power to the heating and cooling system by removing the fuse or switching the appropriate
circuit breaker off.
2. Remove cover of old thermostat. This should expose the wires.
3. Label the existing wires with the enclosed wire labels before removing wires.
4. After labeling wires, remove wires from wire terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to install this thermostat.
To Remove Existing Thermostat
ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse
or switching the appropriate circuit breaker to the OFF position before removing the existing
thermostat.
IMPORTANT: Thermostat installation must conform to local and national building and electrical
codes and ordinances.
Note:
Mount the thermostat about five feet above the floor. Do not mount the thermostat on an
outside wall, in direct sunlight, behind a door, or in an area affected by a vent or duct.
1. Turn off power to the heating and cooling system by removing the fuse or switching the appropriate
circuit breaker off.
To Install Thermostat
3
To Install Thermostat (continued)
2. To remove cover, insert and twist a coin or screwdriver in the slots on the sides of the thermostat.
3. Put thermostat base against the wall where you plan to mount it (Be sure wires will feed through the
wire opening in the base of the thermostat).
4. Mark the placement of the mounting holes.
5. Set thermostat base and cover away from working area.
6. Using a 3/16” drill bit, drill holes in the places you have marked for mounting.
7. Use a hammer to tap supplied anchors in mounting holes.
8. Align thermostat base with mounting holes and feed the control wires through wire opening.
9. Use supplied screws to mount thermostat base to wall.
10. Insert stripped, labeled wires in matching wire terminals. See “Wiring Diagrams” section of this
manual (Pages 5 to 18). If using optional remote sensor, see “Remote Sensor Installation” (Page 4).
CAUTION!
:
Be sure exposed portion of wires does not touch other wires.
11. Tighten screws on terminal block. Gently tug wire to be sure of proper connection. Double check that
each wire is connected to the proper terminal.
12. Seal hole for wires behind thermostat with non-flammable insulation or putty.
13. Replace cover on thermostat by snapping it in place.
14. Turn on power to the system at the main service panel.
15. Test thermostat operation as described in “Testing the Thermostat” (Page 23).
4
1. Remove cover from remote sensor housing.
2. Select an appropriate location for mounting the remote sensor.
3. Mount remote sensor unit using hardware provided.
4. Install two strand shielded wire between remote sensor and thermostat. Shielded wire must be used.
Do not run remote sensor wire in conduit with other wires.
• Wire 1 should run between the S1 terminal on the thermostat and the S1 terminal on the
remote sensor
• Wire 2 should run between the S2 terminal on the thermostat and the S2 terminal on the
remote sensor
• Connect the shielding of the wire to the S2 terminal on the thermostat
5. Select correct option for monitoring temperature.
• To monitor temperature with remote sensor only, cut R12 from thermostat circuit board
• To average the temperatures of the remote sensor and the sensor of the SC3801, do not remove R12
Remote Sensor Installation (Optional)
Cut R12 from circuit board for remote sensor use only.
Leave R12 as is for averaging operation.
5
Wiring Diagrams
First Heating
Control
First Cooling
Control
Second Cooling
Control
Second Heating
Control
Fan Control
First Cooling
Control
Fan Control
Second Cooling
Control
6
Wiring Diagram (continued)
First Heating
Control
Second Heating
Control
First Heating
Control
Second Heating
Control
Fan Control
7
SimpleComfort®3801 Electronic Thermostat Conversion to:
Carrier Split Stream Condensers and Heat Pump Systems
SC 3801
Electronic Thermostat
Carrier Split Stream
Wiring Diagram Conversions
8
SimpleComfort®3801 Electronic Thermostat Conversion to:
Coleman 3000 Series Heat Pump Systems
SC 3801
Electronic Thermostat
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1
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