1083293-UIM-D-1116
Johnson Controls Unitary Products
17
FIGURE 22:
Thermostat Chart - Single Stage Heat Pump – Variable Speed or PSC Modulating Furnace
C
24 – Volt Common
R
24 – Volt Hot
Y1
First Stage Compressor
O
Reversing Valve
Energized in Cool
L
Malfunction Light
G
Fan
*DP32H70124
THERMOSTAT
W1
Second Stage Aux. Heat
E
Emergency Heat
W2
Third Stage Heat
Step 1 of Thermostat
Installer / Configuration
Menu must be set to
Heat Pump 1
C
24 – Volt Common
R
24 – Volt Hot
Y1
First Stage Compressor
O
Reversing Valve
Energized in Cool
L
Malfunction Light
Y2
Second
Stage Compressor
G
Fan
*BP21H50124
*BN21H00124
*DP21H40124
*DN21H00124
THERMOSTAT
E
Emergency Heat
W2
Second Stage Heat
B/O Switch on Thermostat
must be in the O position
C
24 – Volt Common
Y1
First Stage Compressor
O/B
Reversing Valve
L
Malfunction Light
Y2
Second
Stage Compressor
G
Fan
*DN22U00124
THERMOSTAT
E
Emergency Heat
AUX
Auxiliary Heat
R
24 – Volt Hot
(Heat XFMR)
R
24 – Volt Hot
(Cool XFMR)
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
SINGLE STAGE
HEAT PUMP
Bonnet Sensor
(Optional)
Change FFuel jumper
on the heat pump control
to “ON”
H*3
YMB
YZB
OD MODELS
Y2
Second
Stage Compressor
Thermostat Installer Setup
1-System Type-must be set
to 5 – 2 Heat/1 Heat Pump
Thermostat Installer Setup
2-Changeover Valve-must
be set to 0 – O/B terminal
Energized in Cooling
C
24 – Volt Common
R
24 – Volt Hot
Y1
Single
Stage Compressor
MODULATING
FURNACE CONTROL
G
Fan
MODULATING
FURNACE
Y/Y2
Second or Full
Stage Compressor
DHUM
Dehumidification-
Open on Humidity Rise
W
Modulating Heat
Move HUMIDISTAT
jumper to “YES”
if humidistat is to be used.
ID MODELS
LO COMP
Single Stage
Compressor (OUT)
O
Reversing Valve
Energized in Cool
HI COMP
Second Stage
Compressor (OUT)
Change Hot Heat Pump
jumper on the heat
pump control to “ON” if
Hot Heat Pump
Operation is desired.
External Humidistat
(Optional)
Open on Humidity Rise
TM9M
