835966-UIM-E-0814
Johnson Controls Unitary Products
15
FIGURE 15:
Thermostat Wiring – Two-Stage Heat Pump - Two-Stage Variable Speed Furnace
ID MODELS
Change “FFuel” jumper
on the heat pump control
to “ON”
Jumper 1 must be set
to “HEATPUMP”
A011-001
HP 24A
Two Stage Heat Pump - Two Stage Variable Speed Furnace (With Hot Heat Pump Operation)
Change Hot Heat Pump
jumper on the heat pump
control to “ON”
Move HEAT PUMP
jumper to “YES”
Move DHUM
jumper to “YES”
if humidistat is to be used.
Jumper 3 must be set
to “GAS”
Jumper 2 must be set
to “O”
Setup Step 50 “Dual
Fuel” must be set
“External”
DHUM
Dehumidification
Bonnet Sensor
(Optional)
BS
Bonnet Sensor
BSG
Bonnet Sensor
W
Auxiliary Heat
Y2
Second Stage
Compressor
X/L
Malfunction Light
O
Reversing Valve
Energized In Cool
Y2 OUT
Second Stage
Compressor
W2 OUT
Second Stage Heat
W1 OUT
First Stage Heat
R
24 - Volt Hot
Y1
Single Stage
Compressor
C
24 - Volt Common
C
24 - Volt Common
Y1
Single Stage
Compressor
R
24 - Volt Hot
G
Fan
W/W1
First Stage Heat
W2
Second Stage Heat
Y/Y2
Second or Full
Stage Compressor
O
Reversing Valve
X/L
Malfunction Light
DHUM
HUM
W1/O/B
First Stage Heat
W2
Second Stage Heat
Y2
Second Stage
Compressor
W3
Third Stage Heat
Fault
G
Fan
R
24 - Volt Hot
Y1
First Stage Compressor
C
24 - Volt Common
OD MODELS
YZH
H*8B
THERMOSTAT
S1-THSU32HP7b
TWO STAGE
VARIABLE SPEED
FURNACE
TWO STAGE
HEAT PUMP
TWO STAGE
VARIABLE SPEED
FURNACE CONTROL
YORKGUARD VI
CONTROL
TM8V
TM9V
YZF060
H*6B60