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ICM Controls SC 5812, Operation Manual

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ICM Controls SC 5812 Operation Manual Download Page 17

Remote Sensor When Used as Outdoor Sensor

Heat Pump with 
Electric Backup

Heat pump operation only

Both heat pump and 

electric backup

Electric backup only

Upper setpoint

Lower setpoint

°F/C

Outdoor 

Temperature

Outdoor 

Temperature

Upper setpoint

Heat pump operation only

Gas/oil operation only

°F/C

Heat Pump with 

Gas/Oil Backup

Summary of Contents for SC 5812

Page 1: ...t www icmcontrols com 7 Day 5 2 Day or 5 1 1 Day Programmable Configurable 3 Stage Heat 2 Stage Cool Systems 3 Stage Heat Pump Systems Large Display With Backlight Selectable Fahrenheit or Celsius Compatible with Gas Oil or Electric Dual Fuel Compatible SimpleSet Field Programming Status Indicator Light Relay Outputs minimum voltage drop in thermostat Remote Sensor Compatible Ideally Suited for Re...

Page 2: ...p 7 Dual Compressor heat pump with gas oil backup 7 Remote Sensor Installation Optional 8 Terminal Designator Descriptions 9 SC5812 Output Chart 9 Configuration Mode 10 Configuration Mode Settings 11 Remote Sensor When Used as Outdoor Sensor 15 Heat Pump with Electric Backup 15 Heat Pump withGas Oil Backup 15 Mode of Operation 19 Button Functions 20 Operating Modes 21 Testing the Thermostat 24 Set...

Page 3: ... Parts Diagram S1 S2 R C W O B G Y1 W2 W3 Y2 RESET CONFIG Configuration switch Reset switch Left system button Right fan button Down button Up button Field programming pins FP ...

Page 4: ... 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 3 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 W3 ...

Page 5: ...ing 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...

Page 6: ...gh 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 an...

Page 7: ... Wiring Diagrams 120 VAC 24 VAC Heat 1 Cool 1 Heat 2 Cool 2 Fan Heat 3 Transformer Heat Cool Systems Optional remote or outdoor sensor ...

Page 8: ...ry Heat 2 Single Compressor heat pump with electric backup Dual Compressor heat pump with electric backup 120 VAC 24 VAC Reversing Valve Compressor 1 Auxiliary Heat Compressor 2 Fan Transformer Optional remote or outdoor sensor Transformer Optional remote or outdoor sensor ...

Page 9: ...essor heat pump with gas oil backup 120 VAC 24 VAC Reversing Valve Compressor Oil Gas Heat Fan 120 VAC 24 VAC Reversing Valve Compressor 1 Oil Gas Heat Fan Compressor 2 Transformer Optional remote or outdoor sensor Transformer Optional remote or outdoor sensor ...

Page 10: ...d 4 Install two strand shielded wire between remote sensor and thermostat Shielded wire is recommended 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 ...

Page 11: ...l Designator Descriptions 1ST Cool 2ND Cool 1ST Heat 2ND Heat 3RD Heat Heat Cool Y1 G YI Y2 G W1 G W1 W2 G W1 W2 W3 G Heat Pump One Compressor Y1 G O Y1 G O Y1 G B Y1 W2 G B Y1 W2 W3 G B Heat Pump Two Compressors Y1 G O Y1 Y2 G O Y1 G B Y1 Y2 G B Y1 Y2 W2 G B Dual Fuel One Compressor Y1 G O Y1 G O Y1 G B W2 W2 W3 Dual Fuel Two Compressors Y1 G O Y1 Y2 G O Y1 G B Y1 Y2 G B W2 Emergency Heat Heat Pu...

Page 12: ... Press the up or down button to change settings within each screen Down button Up button Press the right button to advance to the next screen Note Pressing the left button will return you to the previous screen Left button Right button The configuration mode is used to set the SC5812 to match your heating cooling system The SC5812 functions with heat pump air conditioning gas oil or electric heat ...

Page 13: ... 1 turns on and when stage 2 turns on Press the up or down button to set differential value Press the right button to advance to the next screen 4 3rd Stage Temperature Differential 1 F to 5 F 0 5 C to 2 5 C Set the number of degrees between when stage 2 turns on and when stage 3 turns on Press the up or down button to set differential value Press the right button to advance to the next screen 1 T...

Page 14: ...compressor heat pumps and multi stage gas oil systems stage 3 is staged off independently when SO is set to O Press the up or down button to set Press the right button to advance to the next screen 6 Minimum Deadband 1 F to 9 F 1 C to 5 C Set the minimum separation between heat setpoint and cool setpoint in Auto Changeover Mode Press the up or down button to set deadband value Press the right butt...

Page 15: ... screen 8 Dual Fuel System Appears only if heat pump is selected 1 Heat pump with gas oil furnace backup 0 Heat pump with electric backup Press the up or down button to select Press the right button to advance to the next screen Choose System Reversing Valve Active Number of Compressors or Compressor Stages Type of Heat Heat Pump HP O 1 HP b 1 HP O 2 HP b 2 Non Heat Pump Heat Gas Heat Electric ...

Page 16: ...ill operate and electric backup will be locked out Press the up or down button to select temperature Press the right button to advance to the next screen 10 Outdoor Lower Setpoint select to disable Appears only for heat pump with electric backup with outdoor upper setpoint enabled Note See chart on Page 15 for more information When the ambient temperature is below the selected temperature heat pum...

Page 17: ...ctric Backup Heat pump operation only Both heat pump and electric backup Electric backup only Upper setpoint Lower setpoint F C Outdoor Temperature Outdoor Temperature Upper setpoint Heat pump operation only Gas oil operation only F C Heat Pump with Gas Oil Backup ...

Page 18: ...F 7 C to 32 C Adjust to control the maximum heat set temperature allowed Press the up or down button to select Press the right button to advance to the next screen 14 Minimum Cool Setpoint 45 F to 90 F 7 C to 32 C Adjust to control the minimum cool set temperature allowed Press the up or down button to select Press the right button to advance to the next screen 11 Auxiliary Delay ON 0 30 minutes S...

Page 19: ...no remote sensor option 1 must be selected Press the up or down button to select Press the right button to advance to the next screen 16 Maximum Cycles Allowed Per Hour 2 6 as many as needed 2 6 maximum cycles hour Press the up or down button to select Press the right button to advance to the next screen 15 Room Temperature Offset 9 F to 9 F 4 5 C to 4 5 C Adjust to calibrate displayed room temper...

Page 20: ...th second stage 3 Status indicator on with third stage Press the up or down button to select Press the CONFIG button for 2 seconds to exit configuration OFF 18 Cooling Fan Delay Off Time 0 30 60 90 seconds Select the fan purge time for cooling Press the up or down button to select Press the right button to advance to the next screen ...

Page 21: ...l not let the compressor come on for 4 minutes after it turns off This protects your compressor The SC5812 has five possible operating modes OFF Heat Cool Heat Cool and Program mode In off mode the thermostat will not turn on heating or cooling devices The manual fan can be turned on in all operating modes using the fan button In heat mode the thermostat controls the heating system In the cool mod...

Page 22: ...m OFF HEAT EMERGENCY HEAT COOL and AUTO changeover modes FAN right Used to turn on and off the indoor fan PROG SYS and FAN Used to change from program operation to manual operation UP and PROG Held in simultaneously for 10 seconds to lock and unlock the thermostat DOWN and SYS Pressed simultaneously to display outdoor remote temperature if remote sensor is connected SYStem left FAN right Down butt...

Page 23: ...ng or cooling devices Note The indoor fan can be turned on manually in every operating mode by pressing the FAN right button The word FAN shows on the display and the fan icon appears when the fan operates OFF Heat Mode In this mode the thermostat controls the heating system When the heat outputs the flame icon apprears on the display Note For heat pumps there is a four minute delay for your compr...

Page 24: ...delay go to OFF mode for 5 seconds Cool and Heat Mode Auto Changeover In this mode the thermostat controls the cooling and heating systems automatically changing over from one to the other as needed The timing display alternates with the set temperature every 10 seconds in the cool and heat mode Emergency Heat Mode Heat pump systems only In emergency heat mode the heat pump system will be disabled...

Page 25: ...led by the set program schedule Program mode can function with heat mode cool mode or heat cool mode The program schedule can be overridden by changing the set temperature up or down button After 2 hours the program schedule will automatically be resumed To manually return to the program schedule press the PROG button twice PROG ...

Page 26: ...ur system Note For heat pumps there is a four minute delay to protect your compressor after it turns off To bypass the compressor time delay go to OFF mode for 5 seconds PM Cool Test 1 Press SYS left button until cool mode is displayed 2 Adjust set temperature so it is 5 degrees below room temperature 3 A C should come on within a few seconds Green LED may turn ON 4 Adjust the set temperature 2 de...

Page 27: ...nds to lock values into memory and return to the OFF mode or press the FAN right button once to enter programming 4 Press the FAN right button once to select minutes minutes flashing Press the up or down button to adjust the minutes 3 Time displays hour flashing Press the up or down button to adjust the hour 2 Press and hold the PROG button SYS left and FAN right buttons pressed simultaneously in ...

Page 28: ...options Note The days of the week shown on the display will be programmed simultaneously The screens are listed below Screen 1 SUN MON TUE WED THU FRI SAT Screen 2 MON TUE WED THU FRI Screen 3 MON Screen 4 TUE Screen 5 WED Screen 6 THU Screen 7 FRI Screen 8 SUN SAT Screen 9 SAT Screen 10 SUN Program Overview The SC5812 programmable thermostat has four periods MORN DAY EVE NITE that are customizabl...

Page 29: ... different minutes Press FAN right button to advance to the next screen Heat set temperature displays Use the up or down button to adjust the heat set temperature Press FAN right button to advance to the next screen Cool set temperature displays Use the up or down button to adjust the cool set temperature Press FAN right button to advance to the next screen Programmable fan screen displays Use the...

Page 30: ...ment is limited Select the appropriate lockout from Configuration Mode Settings Step 12 Page 16 of this guide To activate the LOCK feature 1 Simultaneously press the SYS FAN and UP buttons for 10 seconds 2 will display and the lockout function will be enabled To deactivate the LOCK feature repeat steps 1 and 2 above ...

Page 31: ...AT 70 F HEAT 62 F HEAT 70 F HEAT 62 F COOL 78 F COOL 85 F COOL 78 F COOL 82 F FAN Off FAN Off FAN Off FAN Off MONDAY thru SUNDAY Personal Program Schedule MORN DAY EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN FAN FAN MONDAY 1 TUESDAY 2 MORN DAY EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN FAN FAN WEDNESDAY 3 MORN DAY EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN ...

Page 32: ...Y EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN FAN FAN MORN DAY EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN FAN FAN MORN DAY EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN FAN FAN MORN DAY EVE NITE HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN FAN FAN FAN ...

Page 33: ...ter thermostat is ready to transfer data Note Press the up and down buttons and CONFIG switch simultaneously for 5 seconds to exit from data transfer mode and to return the master to the OFF mode 7 Turn off power to the master and remove it from the wall 8 Connect the master to the target using the 3 wire connector Attach one end to the Master s FP pins and the other end to the Target s FP pins No...

Page 34: ...eck if in 2 hour program override Fan runs continuously Press FAN right button to turn fan off Program Mode Check programmable fan setting in program schedule see Page 27 Status indicator light not on during call Turn status indicator function on see Configuration Mode Setting 21 Page 18 Room temperature is not correct Calibrate thermostat see Configuration Mode Setting 15 Page 17 If remote sensor...

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Page 36: ...anty 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 lia...

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