ICM Controls SC2201 Istruzioni generali

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

SC2201

Non-Programmable Electronic Thermostats

• For use with Heat Pumps

• Up to 2-Stage Heat, 1-Stage

Cool

• 30-Minute Power Loss Memory

Retention

• For use with 24 VAC Systems

• Optional backlit display

(SC2201L only)

Table of Contents

CAUTION!

This thermostat should be installed by trained technicians only. Adhere to all local

and national codes. Disconnect all power to the system before installing, removing,

or cleaning.

Parts Diagram ........................................................1

Speciﬁcations .........................................................2

Features/Beneﬁts...................................................2

Package Contents/Tools Required..........................2

Important Safety Information ................................3

General Description................................................3

To Remove Existing Thermostat ...........................4

Replacing Wiring Labels .........................................4

To Install Thermostat .............................................5

Testing the Thermostat .........................................6

LED Indicators........................................................8

Operation ...............................................................8

Wiring Diagrams...................................................10

Carrier Split Stream Condensers ......................... 10

Coleman 3000 Series.......................................... 11

Comfortmaker CYC Series .................................. 12

Heil-Quaker 867.814 Series and PH50 Series ..... 13

Payne Reliant and Endura Model ........................ 14

Rheem/Ruud:

-PGB, -PFA, -PCB, -PLA, and -PKA Series ....... 15

Goodman, Janitrol, Trane/American Standard .... 16

York -E1CS, -E1FB, E1FH ................................... 17

Lennox CB19...................................................... 18

Lennox HP19 and HP20 ..................................... 19

FHP 1 Stage...........................................................20

Troubleshooting ...................................................21

Parts Diagram

SC2201

Fan SwitchMode Switch

Reset Switch

R B O W2 G E Y1C

Specications

Input:

• Voltage: 24 VAC (18-30 VAC)

Output:

• Maximum: 1 amp maximum load per terminal

(4 amp total maximum load for all terminals)

• Temperature Ranges:

– Temperature control range: 45°F to 90°F Accuracy: ± 1°F

– Differential range: 1°F to 3°F

• System conﬁgurations: Multi-stage heat pump (two-stage heat, one-stage cool)

• Terminations: R, C, E, Y1, O, B, G, W2

• Second stage activation in heat mode: 2° below ﬁrst stage (not adjustable)

SET

ROOM

DIFF

Temperature

differential setting

Room temperature

setpoint

Package Contents/Tools Required

Package includes: SimpleComfort®2201 non-programmable 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.

Features/Benets

• Multi-stage heating/cooling control

• Multi-colored LED indicators for system status

• Zone system compatible as a master thermostat

• Adjustable temperature differential: 1°F to 3°F

• Automatic heating system shutdown if

temperature exceeds 90°F

• 30-minute power interruption memory retention

• Independent setpoints for heat and cool

Important Safety Information

General Description

The SimpleComfort®2201 is intended to operate and is compatible with 24 VAC residential heat pumps

with up to 2-stage heat/1-stage cool. It will operate with heat pump systems that are manual changeover

and have auxiliary or emergency heating. There are no optional items required for standard installations.

This thermostat is also compatible as a master thermostat in zoned system applications.

• Always turn off power at the main power source by unscrewing fuse or switching circuit breaker to the

off position before installing, removing, cleaning, or servicing this thermostat

• Read all of the information in this manual before installing this thermostat

• This thermostat should be installed only by a professional contractor

• This is a 24 VAC low-voltage thermostat; do not install on voltages higher than 30 VAC

• All wiring must conform to local and national building and electrical codes and ordinances

• Do not switch system to cool if the outdoor temperature is below 50°F; this can damage the air

conditioning system and may cause personal injury

• The thermostat will not control your heating/air conditioning system without power; it requires a

continuous 24 VAC circuit for proper system control

• Use this thermostat only as described in this manual

• While cleaning, do not get soap directly on thermostat switches or LCD readout; only use a

damp cloth with a mild soap to wipe outside of thermostat cover

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 off the appropriate

circuit breaker.

2. Remove cover of old thermostat. This should expose the wires.

3. Label the existing wires with the enclosed wire labels before removing wires. See table below for old

and new label identiﬁcation.

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.

Replace the old labels with the enclosed new labels:

Old New Type

R, V-VR or VR-R R 24 VAC, return

Y, Y1 or M Y1 Stage 1 cooling/heating circuit

O or R O Reversing valve (cooling active)

B B Reversing valve (heat active)

G or F G Fan contactor circuit

W1, W2 or W-U W2 2nd stage heating circuit

E E Emergency heating circuit

C, X or B C 24 VAC, transformer common side

Replacing Wiring Labels

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.

IMPORTANT: This thermostat is compatible with 100% lockout systems. To reset the system, turn

thermostat to Off position for at least 60 seconds.

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 off the

appropriate circuit breaker.

2. Put Mode switch in Off position.

3. Put Fan switch in Auto position.

4. To remove cover, insert and twist a coin or screwdriver

in the slot on the top of the thermostat.

5. 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).

6. Mark the placement of the mounting holes.

7. Set thermostat base and cover away from working area.

8. Using a 3/16” drill bit, drill holes in the places you have marked for mounting.

9. Use a hammer to tap supplied anchors in mounting holes.

10. Align thermostat base with mounting holes and feed the control wires through wire opening.

11. Use supplied screws to mount thermostat base to wall.

12. Insert stripped, labeled wires in matching wire terminals. See Wiring Diagrams section of this manual

(Pages 10-20).

CAUTION!

Be sure exposed portion of wires does not touch other wires.

Cool Off Heat Emer Auto On

Mode Fan

To Install Thermostat

13. 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.

14. Replace cover on thermostat by snapping it in place.

15. Turn on power to the system at the main service panel.

16. Test thermostat operation as described in the following section.

CAUTION!

Do not switch system to cool if the outdoor temperature is below 50°F. This can

damage the air conditioning system and may cause personal injury.

1. Put the Mode switch to Cool position.

2. Press the button until the temperature setting is at least 3 degrees below

the room temperature. The air conditioning system and fan should turn on. Cool Off Heat Emer

Mode

Testing the Thermostat

Cool Off Heat Emer

Mode

3. Put the Mode switch in the Off position. The air conditioning system should

turn off. The fan may have a delay.

Note:

Pressing the

Reset button once

will bypass the 5-minute anti-short

cycle compressor protection.

Note:

While in Cool or Heat mode, once the thermostat turns the system off, a built-in delay keeps

the compressor from turning on for about 5 minutes. This protects the compressor.

4. Put the Mode switch to the Heat position.

5. Press the button until the temperature setting is at least 3 degrees above

room temperature. The heating system should turn on.

Note:

The compressor may not turn on again for 5 minutes.

6. Put the Mode switch to the Off position. The heating system should turn off.

Once again the fan may have a delay.

7. Put the Fan switch to the On position. The blower fan should turn on.

8. Put the Fan switch to the Auto position. The blower fan should turn off.

If all functions operate properly, the thermostat is installed correctly.

If the thermostat does not operate properly:

• Check all wiring connections

• See Troubleshooting (Page 21)

Cool Off Heat Emer

Auto On

Cool Off Heat Emer

Mode

Fan

There are two LED indicators located on the front of the thermostat. They are designed to inform you of

the following:

AUX (GREEN): This turns on when the auxiliary (back-up)

heating is in operation. This is the second (non-

economy) stage of heat. It turns on 2 degrees

below ﬁrst stage and is not adjustable.

EMER (RED): This light turns on whenever the emergency

heat is manually selected (system switch is in

the EMER position). While in the emergency

heat mode, the heat pump compressor is off,

and the emergency heat (same as the auxiliary

heat) maintains the setpoint temperature.

Setting the Room Temperature (Setpoint Temperature)

Step 1: Press the or button; the current temperature setpoint displays.

Step 2: Press the or button until the desired temperature setpoint displays.

Note:

Holding down either

the or button will scroll the

temperature display.

The new temperature setting is automatically saved. After 5 seconds, the display

returns to showing the current room temperature.

Operation

LED Indicators

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