Thermostat Wiring - Single Stage Heat Pump - Variable Speed Modulating Furnace (With Hot Heat Pump) - York YMB SERIES Installation Manual

HP 19A
THERMOSTAT THERMOSTAT
*BP21H50124
*BN21H00124
*DN22U00124
*DP21H40124
*DN21H00124
C
24 – Volt Common 24 – Volt Common
Y1
First Stage Compressor First Stage Compressor
R
24 – Volt Hot
24 – Volt Hot
(Heat XFMR)
G
Fan
E
Emergency Heat Emergency Heat
R
24 – Volt Hot
(Cool XFMR)
O/B
Reversing Valve
Reversing Valve
Energized in Cool
L
Malfunction Light Malfunction Light
Y2
Second Stage Compressor Second Stage Compressor
AUX
Auxiliary Heat Second Stage Heat
Thermostat Installer Setup
B/O Switch on Thermostat
1-System Type-must be set
must be in the O position
to 5 – 2 Heat/1 Heat Pump
Thermostat Installer Setup
2-Changeover Valve-must
be set to 0 – O/B terminal
Energized in Cooling
FIGURE 11: Thermostat Wiring – Single Stage Heat Pump - Variable Speed Modulating Furnace (with Hot Heat Pump)
Unitary Products Group
Single Stage Heat Pump – Variable Speed Modulating Furnace (With Hot Heat Pump Operation)
THERMOSTAT
*DP32H70124
C C
24 – Volt Common
Y1 Y1
First Stage Compressor
R R
24 – Volt Hot
G G
Fan Fan
E E
Emergency Heat
W2
Third Stage Heat
O O
Reversing Valve
Energized in Cool
L L
Malfunction Light
Y2
Y2
Second Stage Compressor
W2 W1
Second Stage Aux. Heat
3
External Humidistat
(Optional)
Open on Humidity Rise
24VAC Humidifier
(Optional)
Step 1 of Thermostat
Installer / Configuration
Menu must be set to
Heat Pump 1
3
Part Number:
S1-2HU16700124
ID MODELS
PC9
FC9C
FL9C
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
3
External Humidistat HUM
(Optional) Dehumidification-
Open on Humidity Rise Open on Humidity Rise
Move HUMIDISTAT
jumper to "YES"
if humidistat is to be used.
Part Numbers:
SAP = Legacy
171334 = 031-09153
361813-UIM-A-0208
OD MODELS
YZB
YMB
H*3
SINGLE STAGE
HEAT PUMP
YORKGUARD VI
2
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
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"
Part Numbers:
2
SAP = Legacy
126768 = 031-09137
18395 = 031-01996
340512 = 031-09178
1
1
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