ICM Controls SC 2311 Installation, Operation & Application Manual Download Page 13 | Manualshive

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SimpleComfort

®

2311 Electronic Thermostat Conversion to:

ComfortMaker CYC Series Heat Pump Systems

SC

2311

Electronic Thermostat

R

C

W1

O/B

Y

W2

E

G

24 VAC, return

24 VAC, common

Reversing valve (cooling mode)

Compressor contactor

2nd stage heating circuit

Fan contactor circuit

Outdoor thermostat

Defrost sensor

(capped)

(capped)

Note 1: W2 terminal on PCB capped
Note 2: X terminal on PCB capped

R

C

O

Y

W1

G

W2

X

ComfortMaker CYC

Low Voltage Terminal Board

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Summary of Contents for SC 2311

Page 1: ...American made products plus wiring diagrams troubleshooting tips and more visit us at www icmcontrols com Configurable 2 Stage Heat 1 Stage Cool Systems Heat Pump Systems Backlit Display Field Temperature Calibration Filter Check Status Indicator Light Relay Outputs minimum voltage drop in thermostat Ideally Suited for Residential New Construction Replacement Light Commercial ...

Page 2: ...Contents Tools Required 2 To Remove Existing Thermostat 3 To Install Thermostat 3 Terminal Designator Descriptions 5 SC2311 Output Chart 5 Wiring Diagrams 6 Wiring Diagram Conversions 9 Configuration Mode 19 Testing the Thermostat 22 Mode of Operation 23 Operating Modes 24 Troubleshooting 25 ...

Page 3: ... Parts Diagram R12 W1 O B Y W2 E ...

Page 4: ...pplications 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 ...

Page 5: ...om 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 elect...

Page 6: ...g 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 6 18 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 ...

Page 7: ...e heat for Emergency Heat operation G Fan Terminal Designator Descriptions The SC2311 thermostat is configurable for different systems The configuration directly effects the outputs Use the output chart to correctly configure and wire the thermostat to your system 1ST Cool 1ST Heat 2ND Heat Heat Cool Y G W1 G W1 W2 G Heat Pump One Compressor Y G O Y G B Y W2 G B Emergency Heat HP N A E G E W2 G G ...

Page 8: ... First Cooling Control Second Heating Control First Cooling Control First Heating Control Wiring Diagrams Fan Control Fan Control ...

Page 9: ... Second Heating Control First Heating Control Second Heating Control First Heating Control Single Transformer Single Transformer Fan Control ...

Page 10: ... Single Compressor 2nd Stage Heat Reversing Valve Compressor Emergency Heat Fan Control ...

Page 11: ...rn 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit Emergency heating circuit System monitor LED capped Note 1 L terminal on PCB capped Note 2 W3 terminal on PCB capped R C W1 O B Y W2 E G R C O Y W2 G E L W3 Carrier Split System Low Voltage Terminal Board capped Wiring Diagram Conversions ...

Page 12: ...0 Low Voltage Terminal Board SC 231 1 Electronic Thermostat 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit Emergency heating circuit System monitor LED capped Note 1 L terminal on PCB capped Note 2 W3 terminal on PCB capped R C W1 O B Y W2 E G capped ...

Page 13: ...ostat R C W1 O B Y W2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit Outdoor thermostat Defrost sensor capped capped Note 1 W2 terminal on PCB capped Note 2 X terminal on PCB capped R C O Y W1 G W2 X ComfortMaker CYC Low Voltage Terminal Board ...

Page 14: ...Electronic Thermostat R C W1 O B Y W2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit sequencer 1 Fan contactor circuit 3rd stage heating circuit sequencer 2 R C O Y W1 G W2 Heil Quaker 867 814 and PH50 Low Voltage Terminal Board Note 1 W2 terminal on PCB capped capped ...

Page 15: ...2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit Emergency heating circuit System monitor LED capped Note 1 L terminal on PCB capped Note 2 W3 terminal on PCB capped R C O Y W2 G E L W3 Payne Reliant and Endura Low Voltage Terminal Board 3rd stage heating circuit capped ...

Page 16: ...urn 24 VAC common Reversing valve heating mode Compressor contactor 2nd stage heating circuit Fan contactor circuit Emergency heating circuit System monitor LED Note 1 L terminal on PCB capped R X B Y W2 G E L Rheem Ruud PGB PFA PCB PLA and PKA Low Voltage Terminal Board SC 231 1 Electronic Thermostat R C W1 O B Y W2 E G capped ...

Page 17: ...onic Thermostat R C W1 O B Y W2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit capped capped Note 1 X2 terminal on PCB capped Note 2 T terminal on PCB capped R B O Y W U G X2 T Goodman Janitrol Trane American Standard Low Voltage Terminal Board ...

Page 18: ... SC 231 1 Electronic Thermostat R C W1 O B Y W2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit System monitor LED capped Note 1 X terminal on PCB capped R B O Y W G X York E1CS E1FB E1FH Low Voltage Terminal Board ...

Page 19: ...tronic Thermostat R C W1 O B Y W2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit Fan contactor circuit Emergency heating circuit System monitor LED capped Note 1 L terminal on PCB capped R C O Y W1 G E L Lennox CB19 Low Voltage Terminal Board ...

Page 20: ...p Systems SC 231 1 Electronic Thermostat R C W1 O B Y W2 E G 24 VAC return 24 VAC common Reversing valve cooling mode Compressor contactor 2nd stage heating circuit sequencer 1 Fan contactor circuit Emergency heating circuit V VR X R M Y F E Lennox HP19 and HP20 Low Voltage Terminal Board ...

Page 21: ... return you to the previous screen 5 To exit configuration mode slide the Mode switch to Heat or Cool Configuration Mode Settings The twelve 12 setup screens for Configuration Mode are as follows 1 Heat Pump and Non Heat Pump Press the or button to configure as heat pump or non heat pump system For heat pumps there will be an anti short cycle delay for heating and cooling 1 Heat pump system 0 Non ...

Page 22: ... B Active Appears for heat pump systems only Change between o O Active and b B Active Press the or button to set reversing valve setting Press the SW6 button to advance to the next screen FILTER DIFF ROOM SET REMOTE 6 2nd Stage Temperature Differential 1 F to 6 F 0 5 C to 3 0 C Set the number of degrees between when stage 1 turns on and when stage 2 turns on Press the or button to set differential...

Page 23: ... 6 as many as needed and 2 6 maximum cycles hour Press the or button to select Press the SW6 button to advance to the next screen 12 Status Indicator Light Lt 0 1 2 0 Status indicator never on 1 Status indicator on with first stage 2 Status indicator on with second stage Press the or button to select Note Red light indicates heating cycle and green light indicates cooling cycle Slide the Mode swit...

Page 24: ...to protect the compressor after it turns off To temporarily bypass the five minute delay slide the Mode switch to OFF for 2 seconds and then back to Cool Heat Test 1 Slide Mode switch to Heat mode 2 Adjust the set temperature so it is 5 degrees above the room temperature 3 Heat should come on within a few seconds Status indicator may come on 4 Adjust the set temperature so it is 2 degrees below th...

Page 25: ...ompressor come on for five minutes after it turns off This protects your compressor When the room temperature is greater than the cool set temperature by the differential temperature the cooling device is activated The cool output is turned off as the room temperature drops The thermostat will not let the compressor come on for five minutes after it turns off This protects your compressor The SC23...

Page 26: ... the compressor Heat Mode In heat mode the thermostat controls the heating system For heat pumps there is a five minute time delay after the compressor turns off This protects the compressor Emergency Heat Mode Heat pump systems only In emergency heat mode the heat pump system will be disabled and auxiliary heat will become the primary source of heat ENTER Emergency heat mode by pressing the up bu...

Page 27: ...on calibrate thermostat see Configuration Mode Setting 9 Page 21 ROOM displays Room temperature offset is not zero see Configuration Mode Setting 9 Page 21 Status indicator Green light Cooling operation Red light Heating operating Status indicator option ON see Configuration Mode Setting 12 Page 21 filter displays Fan run time has exceeded filter check time set in configuration see Configuration M...

Page 28: ...er 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 inspect...

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