Thermostat Wiring - Two-Stage Heat Pump - Variable Speed Modulating Furnace - York YZF Installation Manual

HP 28A Two Stage Heat Pump – Variable Speed Modulating Furnace (With Hot Heat Pump Operation)
THERMOSTAT
S1-THSU32HP7b
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
G
Fan
Fault
W3
Third Stage Heat
Y2
Second Stage
Compressor
W2
Second Stage Heat
W1/O/B
First Stage Heat
HUM
DHUM
Jumper 1 must be set
to "HEATPUMP"
Jumper 2 must be set
to "O"
Jumper 3 must be set
to "GAS"
Setup Step 50 "Dual
Fuel" must be set
"External"
FIGURE 19: Thermostat Wiring – Two-Stage Heat Pump - Variable Speed Modulating Furnace
Johnson Controls Unitary Products
ID MODELS
YPLC YP9C
LP9C
LPLC
CPLC
CP9C
TP9C
TPLC
VARIABLE SPEED
MODULATING
FURNACE
VARIABLE SPEED
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 Bonnet Sensor
Move HUMIDISTAT
jumper to "YES"
if humidistat is to be used.
835966-UIM-E-0814
OD MODELS
YZF060
YZH
H*6B60
H*8B
TWO STAGE
HEAT PUMP
YORKGUARD VI
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
(Optional)
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"
A015-001
19