359513-UIM-A-0408
8
Johnson Controls Unitary Products
FIGURE 8:
Thermostat Chart - Single Stage Heat Pump – PSC Air Handler
HP 5B
Single Stage Heat Pump – PSC Air Handler
MA
SHP
AHP
ID MODELS
PSC
AIR HANDLER
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)
Part Numbers:
SAP = Legacy
67297 = 031-01975
E*B*
E*ZD
E*R*
OD MODELS
*HGD
HP*
*RHS
O
Reversing Valve
Energized in Cool
C
24 – Volt Common
R
24 – Volt Hot
W1/66(out)
Heat
Y
Compressor
DEMAND DEFROST
CONTROL
X/L
Malfunction Light
W
Auxiliary Heat
SINGLE STAGE
HEAT PUMP
1
Part Numbers:
SAP = Legacy
159480 = 031-09156
2
C
24 – Volt Common
R
24 – Volt Hot
W1
First Stage Aux. Heat
W2
Second Stage Aux. Heat
Y1
Single Stage Compressor
Y/Y2
Second or Full
Stage Compressor
O
Reversing Valve
Energized in Cool
X/L
Malfunction Light
PSC
AIR HANDLER
G
Fan
2
1
Part Number:
S1-2HU16700124
3
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
Y2
Second Stage Compressor
24VAC Humidifier
(Optional)
External Humidistat
(Optional)
Open on Humidity Rise
HUM
Humidity Switch
Open on Humidity Rise
Move the MODE
jumper to “HP”
EAC (24VAC out)
Electronic Air Cleaner
HUM OUT
(24VAC out)
24VAC
Electronic Air Cleaner
(Optional)
3
Move HUM STAT
jumper to “YES”
if humidistat is to be used.
Refer to AH documentation
for W1 and W2 electric
heat staging options.
