Installation guide

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AFS

LEGEND

24 VOLT FACTORY WIRING

24 VOLT FIELD WIRING

FIELD SPLICE CONNECTfON

RELAY SPDT, PILOT DUTY

24-V COIL (HN61 KK324)

OR EQUIVALENT

HUMIDISTAT, OPENS ON

HUMIDITY RISE (HL38MG026

AIRFLOW SELECTOR

A01222

WIRING DIAGRAM NOTES:

1. WIRING MUST CONFORM TO NEC OR LOCAL CODES.

2. UNDERLINED LETTER ON THERMOSTAT TERMINAL INDICATES USAGE. FOR EXAMPLE: O/W2 MEANS O IS ENERGIZED

IN COOLING MODE.

3. REFER TO INDOOR UNIT INSTALLATION INSTRUCTIONS FOR ANY ADDITIONAL FEATURES AND WIRING INFORMA-

TION.

4. NON-PROGRAMMABLE MODEL 2S0 I-B, WHEN USED IN AIR CONDITIONING INSTALLATION THE R 19 JUMPER MUST BE

CUT AND REMOVED.

5. PROGRAMMABLE MODEL 2S01-B MUST HAVE DIP SWITCH C ON WHEN USED IN AIR CONDITIONER APPLICATIONS.

6. THERMIDISTAT DIP SWITCH NO. 1 SHOULD BE SET IN OFF POSITION FOR AIR CONDITIONER APPLICATIONS

(FACTORY DEFAULT).

7. AS AN OPTION O/W22CAN CONTROL SECOND-STAGE HEAT.

8. THERMIDISTAT DIP SWITCH NO. 2 SHOULD BE SET IN THE ON POSITION FOR DUAL CAPACITY COMPRESSOR

OPERATION.

9. TO ACTIVATE DEHUMIDIFY FUNCTION ON FK4 OR FV4. REMOVE Jl JUMPER AT FAN COIL CONTROL BOARD.

10. AS AN OPTION, LOCK FURNACE INTO LOW-FIRE OPERATION AND LET O/W2 CONTROL HIGH FIRE OPERATION. REFER

TO FURNACE INSTALLATION INSTRUCTIONS FOR PROPER SETUP.

11. TO ACTIVATE DEHUMIDIFY FEATURE ON CURRENT STYLE, VARIABLE-SPEED, 80 PERCENT NON-CONDENSING,

FURNACE DISCONNECT GREEN (DEHUM) WIRE FROM G ON FURNACE CONTROL BOARD AND CONNECT TO

DEHUMIDIFY TERMINAL DHUM ON THERMIDISTAT.

12. THE DE JUMPERS MUST BE REMOVED TO ENABLE THE DEHUMIDIFICATION FEATURE ON FURNACE.

Table 2--Accessory Usage

REQUIRED FOR REQUIRED FOR

ACCESSORY LONG-MNE SEACOAST

APPUCATIONS* APPUCATIONS

(50-175 FT.) (WITHIN 2 MILES)

Coastal Filter No Yes

Support Feet No Recommended

Puron_ Balance-Port Hard

Shut-off TXV Yest Yes'i"

• For tubing line sets between 50 and 175 ;1horizontal or 20 It vertical differential, refer to Application Guideline and Service Manual--Air Conditioners and Heat Pumps

Using Puron@ Refrigerant. Crankcase heater and start assist are standard on twc_speed units.

1"Required for all applications.