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13 . 

Temperature Sensor

 (1-3)  

 

1 . Only on-board sensor determines room temperature .

 

2 . Only remote sensor determines room temperature .

 

3 . Average temperature of on-board and remote sensor .

 

 

Note:

 If there is 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 .

12 . 

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 .

11 . 

Room Temperature Offset

 (+9°F to -9°F) (+4 .5°C to -4 .5°C) 

 

Adjust to calibrate displayed room temperature to match actual room 
temperature . 

 

 

Note:

 When not set to 0, 

 

will display

 

Press the 

up

 or 

down

 button to select .

 

Press the 

right

 button to advance to the next screen .

14 . 

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 .

Summary of Contents for SC 4811

Page 1: ...ips and more visit us at www icmcontrols com Configurable 2 Stage Heat 2 Stage Cool Systems 2 Stage Heat Pump Systems Large Display With Backlight Selectable Fahrenheit or Celsius Compatible with Gas...

Page 2: ...ol Systems 5 Single Compressor heat pump with electric backup 6 Dual Compressor heat pump with electric backup 6 Remote Sensor Installation Optional 7 Terminal Designator Descriptions 8 SC4811 Output...

Page 3: ...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 G Y1 W2 Y2 RESET CONFIG FP...

Page 4: ...8 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 ele...

Page 5: ...ng 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 T...

Page 6: ...h 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 yo...

Page 7: ...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...

Page 8: ...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 Trans...

Page 9: ...rminal 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...

Page 10: ...ems 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...

Page 11: ...n Configuration Mode 3 Press the CONFIG button for 1 second while the SC4811 is in OFF mode To exit configuration mode press the CONFIG switch for 1 second Press the right button to advance to the nex...

Page 12: ...en stage 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 2 1st Stage Temperature Differential 1 F to 5 F...

Page 13: ...utton to advance to the next screen 6 System Set for heat pump non heat pump reversing valve operation and number of compressors in your system Press the up or down button to select Press the right bu...

Page 14: ...ustment of the set temperatures to the maximum heat set temperature selected in Step 9 and minimum cool set temperature selected in Step 10 Note The mode cannot be changed when the thermostat is locke...

Page 15: ...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 11 Room Temperature Offset 9 F to 9 F 4 5 C to 4 5 C Adjust to cali...

Page 16: ...Light Led 0 1 2 0 Status indicator never on 1 Status indicator on with first stage 2 Status indicator on with second stage Press the up or down button to select Press the CONFIG button for 2 seconds...

Page 17: ...cooling device is activated and the green indicator light configurable on the thermostat will turn on The SC4811 will stop outputting and the green light will turn off when the call for cooling is sa...

Page 18: ...uration settings SYS left Used to change from OFF HEAT COOL and AUTO changeover modes FAN right Used to turn on and off the indoor fan UP SYS and FAN Held in simultaneously for 10 seconds to lock and...

Page 19: ...he 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 t...

Page 20: ...e may be a fan delay on your 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 Cool...

Page 21: ...may be a fan delay on your system Note There is a four minute time delay to protect the compressor after it turns off To bypass the compressor time delay go to OFF mode for 5 seconds Lockout Feature...

Page 22: ...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 C...

Page 23: ...ring call Turn status indicator function on see Configuration Mode Setting 17 Page 14 Room temperature is not correct Calibrate thermostat see Configuration Mode Setting 11 Page 13 If remote sensor is...

Page 24: ...nty 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 produc...

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