ICM Controls SC 5811 Manual de usuario
2 Heat/2 Cool
Auto Changeover
Hardwire
SC 5811
Programmable Electronic Thermostat
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
• 7-Day, 5-2-Day or 5-1-1-Day Programmable
• Configurable
• 2-Stage Heat/2-Stage Cool Systems
• 2-Stage Heat Pump Systems
• Large Display With Backlight
• Selectable Fahrenheit or Celsius
• Compatible with Gas, Oil, or Electric
• SimpleSet™ Field Programming
• Status Indicator Light
• Relay Outputs
(minimum voltage drop in thermostat)
• Remote Sensor Compatible
• Ideally Suited for:
– Residential (New Construction/Replacement)
– Light Commercial
Table of Contents
PartsDiagram ..................................................................... 1
IconDescriptions................................................................... 2
Specifications...................................................................... 2
ImportantSafetyInformation ......................................................... 3
PackageContents/ToolsRequired...................................................... 3
ToRemoveExistingThermostat....................................................... 3
ToInstallThermostat................................................................ 4
WiringDiagrams.................................................................... 5
Heat/CoolSystems ................................................................ 5
Single Compressor heat pump with electric backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Dual Compressor heat pump with electric backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
RemoteSensorInstallation(Optional)................................................... 7
Terminal Designator Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SC5811 Output Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
ConfigurationMode................................................................. 9
ConfigurationModeSettings......................................................... 10
ModeofOperation................................................................. 16
ButtonFunctions.................................................................. 17
OperatingModes.................................................................. 18
TestingtheThermostat............................................................. 21
SettingtheTimeandDayoftheWeek ................................................. 22
Programming..................................................................... 23
LockoutFeature................................................................... 25
FactoryPreprogramming............................................................ 26
PersonalProgramSchedule.......................................................... 26
SimpleSetTM FieldProgramming....................................................... 28
Troubleshooting................................................................... 29
1
Parts Diagram
Configuration switch
Reset switch
Left (system)
button
Right (fan)
button
Down button
Up button
Field programming pins
S1 S2 R C W
O/B GY1 W2 Y2
RESET CONFIG
FP
2
Specications
Icon Descriptions
Fan operation icon
Cooling operation icon
Heating operation icon
Lock mode
activated
Room
temperature
offset activated
Electrical rating: • 24 VAC (18-30 VAC)
• 1 amp maximum per terminal
• 3 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
Timing: Anti-short Cycle: 4 minutes (bypass anti-short cycle delay by returning to OFF
mode for 5 seconds)
Backlight Operation: 10 seconds
Terminations: S1, S2, R, C, W/O/B, Y1, W2, Y2, G
3
Package Contents/Tools Required
Package includes: SC5811 thermostat on base, thermostat cover, wiring labels, screws and wall
anchors, Installation, Operation and Application Guide
Tools required for installation: Drill with 3/16” bit, hammer, screwdriver
Important Safety Information
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
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.
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.
4
To Install 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.
2. To remove cover, pull gently at the seam at the top.
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 slit in thermal
intrusion barrier and into wire opening.
9. Use supplied screws to mount thermostat base to wall.
10. Insert stripped, labeled wires in matching wire terminals.
CAUTION!: Be sure exposed portion of wires does not touch other wires.
11. Gently tug wire to be sure of proper connection. Double check that each wire is connected to the
proper terminal.
12. Turn on power to the system at the main service panel.
13. Configure thermostat (see Page 12) to match the type of system you have.
14. Replace cover on thermostat by snapping it in place.
15. Test thermostat operation as described in “Testing the Thermostat” (Page 21).
5
Wiring Diagrams
120
VAC 24 VAC
Heat #1
Cool #1
Heat #2
Cool #2
Fan
Transformer
Heat/Cool Systems
Optional
remote or
outdoor sensor
* outdoor sensor only reads outdoor temperature
6
120
VAC 24 VAC
Reversing Valve
Fan
Compressor
Auxiliary Heat #1
Single Compressor
heat pump with electric backup
Dual Compressor
heat pump with electric backup
120
VAC 24 VAC
Reversing Valve
Compressor #1
Emergency Heat
Fan
Compressor #2
Transformer
Optional
remote or
outdoor sensor
Transformer
Optional
remote or
outdoor sensor
* outdoor sensor only reads outdoor temperature
7
Remote Sensor Installation (Optional)
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. Configure the thermostat to operate with the remote indoor sensor (see Configuration Mode setting 13,
Page 14) or use it for an outdoor sensor.
Note: Remote or outdoor sensor reading can be displayed by
simultaneously pressing the Down and SYS buttons.
Remote Sensor: (Shown: Optional ICM ACC-RT103 Remote Indoor Sensor;
for outdoor sensor, order ACC-OD103.)
8
R – 24 VAC hot
C – 24 VAC common
W1/O/B – Configurable
W1 – 1st stage heat for non-heat pump systems
O – cool active reversing valve
B – heat active reversing valve
Y1 – 1st stage cool, 1st stage heat for heat pumps
W2 – 2nd stage heat for non-heat pump systems, emergency heat for heat pump systems
Y2 – 2nd stage cool for 2 compressor systems, 2nd stage heat for 2 compressor heat pump systems
G – Fan
Terminal Designator Descriptions
1ST Cool 2ND Cool 1ST Heat 2ND Heat
Heat/Cool Y1,G YI,Y2,G W1,G* W1,W2,G*
Heat Pump (One Compressor) Y1,G,O Y1,G,O Y1,G,B Y1,W2,G,B
Heat Pump (Two Compressors) Y1,G,O Y1,Y2,G,O Y1,G,B Y1,Y2,G,B
Emergency Heat (Heat Pump Only) N/A N/A W2,G W2,G
* G not energized when configured as a gas/oil system
The SC5811 thermostat is configurable for all systems. The configuration directly affects the outputs.
Use the output chart to correctly configure and wire the thermostat to your system.
SC5811 Output Chart
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