INSTALLATION INSTRUCTIONS

 

 

3-phase R-410A Split System Heat Pump

Figure 11

 

Typical Thermostat (Control Circuit) Connections

 

 

NOTE: WHEN USING OUTDOOR THERMOSTATS, W2 MUST BE ENERGIZED WHEN REQUESTING SUPPLEMENTAL HEAT.

 

 

SYSTEMS WITH ONE OUTDOOR THERMOSTAT

 

 

SYSTEMS WITH TWO OUTDOOR THERMOSTATS

THERMOSTAT

INDOOR

OUTDOOR

DEFROST

THERMOSTAT

INDOOR

 

OUTDOOR

DEFROST

SUBBASE

SPLICE

SPLICE

BOARD

SUBBASE

 

SPLICE

 

SPLICE

BOARD

 

CONNECTION

CONNECTION

 

 

 

CONNECTION

 

CONNECTION

 

 

W 3

 

 

 

 

W 3

 

 

ODT

 

C

C

 

 

 

C

SHR

C

 

C

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W 2

W2E

W 2

 

 

 

W 2

 

W 2

 

 

 

 

W 2

 

 

 

 

 

 

 

 

ODT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

L

 

 

 

 

 

 

G

 

 

 

 

G

 

 

 

G

 

 

 

G

 

SHR

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

Y

 

Y

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

E

 

 

ODT

E

 

 

 

E

EHR

 

 

 

 

 

 

 

 

 

 

O

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

O

 

 

 

 

 

 

 

 

 

 

R

 

R

 

 

R

R

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOVE WIRES FROM CRIMP NUT IN INDOOR FAN COIL WHEN INSTALLING OUTDOOR THERMOSTATS.

 

 

SYSTEMS WITHOUT OUTDOOR THERMOSTATS

 

 

 

 

 

 

 

THERMOSTAT

INDOOR

OUTDOOR

 

 

 

 

 

 

 

SPLICE

SPLICE

DEFROST

 

 

 

 

 

 

SUBBASE

CONNECTION

CONNECTION

BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND

 

 

 

C

C

 

 

 

24

 

 

 

C

 

 

 

 

 

 

 

 

 

 

W 2

W 2

 

 

 

24

FIELD WIRING

 

 

W 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIELD SPLICE CONNECTION

 

L

 

 

 

 

 

OUTDOOR THERMOSTAT

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

EHR

EMERGENCY HEAT RELAY

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

Y

 

 

 

 

SHR

SUPPLEMENTAL HEAT RELAY

 

E

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

R

R

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

10

506 01 5102 00

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Image 10
HP H4H3 manual Phase R-410A Split System Heat Pump, Typical Thermostat Control Circuit Connections

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