York PC9*DH warranty OD Models, TWO Stage Heat Pump

246815-YTG-D-0108

HP 28A Two Stage Heat Pump – Variable Speed Modulating Furnace (With Hot Heat Pump Operation)

THERMOSTAT

*PP32U71124

*PP32U72124

C

24 – Volt Common

Y1

First Stage Compressor

R

24 – Volt Hot

G

Fan

W2

Second Stage Aux. Heat

O

Reversing Valve

Energized in Cool

L

Malfunction Light

Y2

Second Stage Compressor

E/W1

First Stage Aux. Heat

DHM

Dehumidistat

HM

Humidistat

Step 1 of the Thermostat Installer Table must be set to Heat Pump

Step 2 of the Thermostat Installer Table must be set to 2

Step 5 of Thermostat User

Configuration Menu must

be set to “ON” for

Dehumidification

E2/P Switch must be in the

E2 position

24VAC Humidifier

(Optional)

ID MODELS

PC9

FC9C

FL9C

VARIABLE SPEED

MODULATING

FURNACE

VARIABLE SPEED	2
MODULATING
FURNACE CONTROL
C
24 – Volt Common

Y1

Single Stage Compressor

R

24 – Volt Hot

G

Fan

W

Modulating Heat

Y/Y2

Second or Full

Stage Compressor

HUM

Dehumidification-

Open on Humidity Rise

Move HUMIDISTAT

jumper to “YES”

if humidistat is to be used.

Bonnet Sensor

(Optional)

OD MODELS

YZE

YZH

H*5

H*8

TWO STAGE

HEAT PUMP

YORKGUARD VI	1
CONTROL

C

24 – Volt Common

Y1

Single Stage Compressor

R

24 – Volt Hot

W1 OUT

First Stage Heat

W2 OUT

Second Stage Heat

Y2 OUT

Second Stage Compressor

O

Reversing Valve

Energized in Cool

X/L

Malfunction Light

Y2

Second Stage Compressor

W

Auxiliary Heat

BSG

Bonnet Sensor

BS

Bonnet Sensor

Change FFuel jumper

on the heat pump control

to “ON”

Change Hot Heat Pump jumper on the heat pump control to “ON”

Part Numbers:

SAP = Legacy

171334 = 031-09153

2

Part Numbers:

SAP = Legacy

126768 = 031-09137

18395 = 031-01996

340512 = 031-09178

1

Thermostat Chart -

8 Unitary Products Group