Installation guide
LEGEND
24 VOLT FACTORY WIRING
24 VOLT FIELD WIRING
FIELD SPLICE CONNECTION
RELAY SPDT, PILOT DUTY
24-V COIL (HN61 KK324)
OR EQUIVALENT
R_
Hb./O HUMIDISTAT, OPENS ON
HUMiDiTY RiSE (HL38MG026)
AFS AIRFLOW SELECTOR
Q RELAY COIL
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WIRING DIAGRAM NOTES:
i. Wiring must conform to NEC or local codes.
2. Underlined letter on thermostat terminal indicates its usage. For example: OW2 means O is energized in cooling mode.
3. Refer to indoor unit Installation Instructions for any additional features and wiring information.
4. Non-Programmable Model 2S01 B, when used in heat pump installations (iumper R19 NOT cut), uses OW2 to control reversing valve.
5. Furnace must control its own second-stage operation via furnace control algorithms. Refer to furnace Installation Instructions for proper
setup.
6. To activate dehumidify function on FK4 or FV4 remove J1 jumper at tan coil control board.
7. Heat pump MUST have a high-pressure switch for dual fuel applications.
8. Outdoor air temperature sensor nmst be attached in all dual fuel applications.
9. Thermidistat Dip Switch No. 1 should be set in ON position for heat pump installations.
10. Thermidistat Dip Switch No. 2 should be set in the ON position for dual capacity compressor operation.
11. Thermidistat Configuration Option No. 10 "Dual Fuel Selection" must be turned ON in all dual fuel applications.
12. Dual Fuel Dip Switch D (no. 4) must be set in the ON position for dual capacity compressor operation.
13. The DE jumper located next to the DHUM terminal must be removed to enable the DEHUM input.
m
24 VAC HOT D
24 VAC COM D
FAN D
COOL/HEAT
STAGE2
HEATSTAGE3 F_'
m
RVS COOLtNG
COOL/HEAT D
STAGE1
N/A []
OUTDOOR [--D
SENSOR "7
CONNECTIONL __D
m -
FK4/FV4 TWO-SPEED
FAN COIL HEAT PUMP
12F
J1 JUMPER _ - -
.{_ "-." ,'=-,
i I
E]-
-,q-D
IJ JUMPER-q--N
EY
El .....
"E]-
Fig. 13--Typical Solenoid Valve Wiring
YI
Y2 I
I LLS
I
I
I
_@ - J
_@ _ _1
A03039
11