Thermostat Wiring - Two-Stage Heat Pump - Variable Speed Air Handler - York YZF Installation Manual

835966-UIM-E-0814
HP 27C
THERMOSTAT THERMOSTAT
*PP32U70124 S1-THPU32HP7b
C
24 – Volt Common 24 – Volt Common
Y
First Stage Compressor First Stage Compressor
R
24 – Volt Hot
24 – Volt Hot
(Heat XFMR)
G
Fan
E
Emergency Heat
RC
24 – Volt Hot
Auxiliary Output
(Cool XFMR)
O/B
Reversing Valve First Stage Heat
L
Malfunction Light
Y2
Second Stage Compressor Second Stage Compressor
AUX
Auxiliary Heat Second Stage Heat
External Humidistat
Open on Humidity Rise
Thermostat Installer Setup
Jumper 1 must
0170-System Type
be set to "ELEC"
must be set to 12
3 Heat/2 Heat Pump
Jumper 2 must be
Thermostat Installer Setup
0190-Changeover Valve
must be set to 0
Jumper 3 must be
O/B terminal
Energized in Cooling
Thermostat Installer Setup
Can use "W3/Aux"
0200-Backup Heat Source
output to control
must be set to 0
dehumidification
Heat Pump Backup Heat
Source is Electric
FIGURE 18: Thermostat Wiring – Two-Stage Heat Pump - Variable Speed Air Handler
18
Two Stage Heat Pump - Variable Speed Air Handler (With Hot Heat Pump Operation)
C
Y1
R
G
Fan
W3/Aux
W1/O/B
Y2
W2
(Optional)
24VAC Humidifier Relay
(Optional)
24VAC Electronic
Air Cleaner Relay
(Optional)
set to "O"
set to "HP"
if desired
ID MODELS
AHV
MV
VARIABLE SPEED
AIR HANDLER
VARIABLE SPEED
AIR HANDLER CONTROL
COM
24 – Volt Common
Y1
Single Stage Compressor
R
24 – Volt Hot
G
Fan
W1
First Stage Aux. Heat
W2
Second Stage Aux. Heat
Y/Y2
Second or Full
Stage Compressor
O
Reversing Valve
Energized in Cool
X/L
Malfunction Light
HUM
Dehumidification-
Open on Humidity Rise
HUM OUT
(24 VAC out)
EAC(24 VAC out)
Electronic Air Cleaner
Move the MODE
jumper to "HP"
Move HUM STAT
jumper to "YES"
if humidistat is to be used.
Refer to AH documentation
for W1 and W2 electric
heat staging options.
OD MODELS
YZF060
YZH
H*6B60
H*8B
TWO STAGE
HEAT PUMP
YORKGUARD VI
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
BS
Bonnet Sensor
Change Hot Heat Pump
jumper on the heat pump
control to "ON"
A014-001
Johnson Controls Unitary Products