835966-UIM-E-0814
20
Johnson Controls Unitary Products
FIGURE 20:
Thermostat Wiring – Two-Stage Heat Pump - Variable Speed Modulating Furnace
O
Reversing Valve
Energized in Cool
C
24 – Volt Common
R
24 – Volt Hot
W1 OUT
First Stage Heat
W2 OUT
Second Stage Heat
Y2 OUT
Second Stage Compressor
Y1
Single Stage Compressor
X/L
Malfunction Light
Y2
Second Stage Compressor
W
Auxiliary Heat
BS
Bonnet Sensor
BSG
Bonnet Sensor
YORKGUARD VI
CONTROL
TWO STAGE
HEAT PUMP
Bonnet Sensor
(Optional)
C
24 – Volt Common
R
24 – Volt Hot
Y1
Single Stage Compressor
VARIABLE SPEED
MODULATING
FURNACE CONTROL
G
Fan
VARIABLE SPEED
MODULATING
FURNACE
Y/Y2
Second or Full
Stage Compressor
HUM
Dehumidification-
Open on Humidity Rise
W
Modulating Heat
Move HUMIDISTAT
jumper to “YES”
if humidistat is to be used.
C
24 – Volt Common
R
24 – Volt Hot
Y1
First Stage Compressor
Y2
Second Stage Compressor
G
Fan
THERMOSTAT
C
24 – Volt Common
Y
First Stage Compressor
O/B
Reversing Valve
L
Malfunction Light
Y2
Second Stage Compressor
G
Fan
*PP32U70124
THERMOSTAT
E
Emergency Heat
R
24 – Volt Hot
(Heat XFMR)
RC
24 – Volt Hot
(Cool XFMR)
AUX
Auxiliary Heat
Thermostat Installer Setup
0170-System Type-
must be set to 12
3 Heat/2 Heat Pump
Thermostat Installer Setup
0190-Changeover Valve-
must be set to 0
O/B terminal
Energized in Cooling
Thermostat Installer Setup
0200-Backup Heat Source-
must be set to 1
Heat Pump Backup Heat
Source is Fossil Fuel
External Humidistat
(Optional)
Open on Humidity Rise
Thermostat Installer Setup
0210-External Fossil Fuel
Kit- must be set to 1
Heat Pump Control
is Controlling Heat Pump
Backup Heat
Change Hot Heat Pump
jumper on the heat pump
control to “ON”
A016-001
S1-THPU32HP7b
W3/Aux
Auxiliary Output
W1/OB
First Stage Heat
W2
Second Stage Heat
Jumper 1 must be
set to “Gas”
Jumper 2 must be
set to “O”
Jumper 3 must be
set to “HP”
Can use “W3/Aux”
output to control
dehumidification
if desired
Duel Fuel setting
must be “External”
HP 28C
Two Stage Heat Pump - Variable Speed Modulating Furnace (With Hot Heat Pump Operation)
Change “FFuel” jumper
on the heat pump control
to “ON”
ID MODELS
YPLC
LPLC
CPLC
TPLC
YP9C
LP9C
CP9C
TP9C
OD MODELS
YZH
H*8B
YZF060
H*6B60