Trane TZEMT500AB32MAA Installation Instructions Manual page 8

System Type D - Variable Speed Air Handler with 2 Step Heat Pump
Note 3
Outdoor Unit
24VAC Common B
24VAC Return R
X2
O
Compressor Stage 1 Y1
Compressor Stage 2 Y2
Note 1 - Field installed jumper from R to O
Note 2 - Remove R to BK jumper
Note 3 - For 2 Step Heat Pump, outdoor unit contains one 2 stage scroll compressor
Note 4 - The remote sensor feature is available only on the TZEMT500
System Type E - Oil Furnace with 1 or 2 Stage Cooling
(Note 7)
Outdoor Unit
24VAC Common B
24VAC Return R
(Note 4)
Compressor Stage 1 Y1
Compressor Stage 2 Y2
Note 1 - May be Y, Y1, or Y
LO
Note 2 - May be Y or Y2
Note 3 - For variable speed oil furnaces, factory installed
jumpers R to O and R to BK
Note 4 - R to ODU required for 2 stage cooling models
Note 5 - Variable speed furnace required for 2 stage cooling
Note 6 - Field supplied Isolation Relay
Note 7 - For 2 Stage Cooling, outdoor unit contains two compressors
Note 8 - The remote sensor feature is available only on the TZEMT500
System Type F - Variable Speed Oil Furnace with 2 Step Cooling
(Note 6)
Outdoor Unit
24VAC Common B
24VAC Return R
(Note 4)
Compressor Stage 1 Y1
Compressor Stage 2 Y2
Note 1 - May be Y, Y1, or Y
LO
Note 2 - May be Y or Y2
Note 3 - Factory installed jumpers R to O and R to BK
Note 4 - Cut / remove R to BK jumper for 2 step cooling
Note 5 - Field supplied Isolation Relay
Note 6 - For 2 Step Cooling, outdoor unit contains one 2 stage
scroll compressor
Note 7 - The remote sensor feature is available only on the TZEMT500
8
Air Handler
24VAC Common B/C
24VAC Return R
WHITE
Heat Stage 1 W1
(Note 1)
O
Fan G
Y
LO
Compressor Stage 1 Y
Compressor Stage 2 BK
(Note 2)
Oil Furnace-
PSC or Variable speed
24VAC Common B/C
24VAC Return R
Heat Stage 1 W1
(Note 3)
O
Fan G
Compressor Stage 1 Y1
(Note 1)
Compressor Stage 2 Y2
(Note 2, Note 5)
BK
OIL BURNER PRIMARY
(Note 6)
R1
Oil Furnace- Variable speed
24VAC Common C
24VAC Return R
Heat Stage 1 W1
(Note 3,
O
Note 4 )
Fan G
Y
LO
Compressor Stage 1 Y
(Note 1)
Compressor Stage 2 BK
(Note 2)
OIL BURNER PRIMARY
R1 (Note 5)
Thermostat Connection
BLUE
24C
RED
24RC
24RH
W1 HEAT
GREEN
G FAN
YELLOW
Y1 COMP
Remote Temperature Sensor Connections and Operation: (Note 4)
Indoor sensor connected to RS1. Replaces internal sensor. RS2 not connected.
Indoor sensor connected to RS2. Averages temperature with internal sensor. RS1 not connected.
Indoor sensors connected to RS1 and RS2. Averages RS1 and RS2 sensor temperatures.
Internal sensor is not used.
Outdoor sensor connected to RS2. Reports outdoor temperature to comfort control.
Indoor sensor connected to RS1 and outdoor sensor connected to RS2. RS1 replaces the internal
sensor. RS2 reports the outdoor temperature to comfort control.
R1
(Isolation relay, See R1 below)
Thermostat Connection
BLUE
24C
RED
24RC
WHITE
24RH
W1 HEAT
GREEN
G FAN
YELLOW
Y1 COMP
Remote Temperature Sensor Connections and Operation: (Note 8)
Indoor sensor connected to RS1. Replaces internal sensor. RS2 not connected.
Indoor sensor connected to RS2. Averages temperature with internal sensor. RS1 not connected.
Indoor sensors connected to RS1 and RS2. Averages RS1 and RS2 sensor temperatures.
Internal sensor is not used.
Outdoor sensor connected to RS2. Reports outdoor temperature to comfort control.
Indoor sensor connected to RS1 and outdoor sensor connected to RS2. RS1 replaces the internal
sensor. RS2 reports the outdoor temperature to comfort control.
R1
(Isolation relay, See R1 below)
Thermostat Connection
BLUE
24C
RED
24RC
WHITE
24RH
W1 HEAT
GREEN
G FAN
YELLOW
Y1 COMP
Remote Temperature Sensor Connections and Operation: (Note 7)
Indoor sensor connected to RS1. Replaces internal sensor. RS2 not connected.
Indoor sensor connected to RS2. Averages temperature with internal sensor. RS1 not connected.
Indoor sensors connected to RS1 and RS2. Averages RS1 and RS2 sensor temperatures.
Internal sensor is not used.
Outdoor sensor connected to RS2. Reports outdoor temperature to comfort control.
Indoor sensor connected to RS1 and outdoor sensor connected to RS2. RS1 replaces the internal
sensor. RS2 reports the outdoor temperature to comfort control.
JP1: internal RC/RH Jumper
Remote Sensors
(Note 4)
RS1
RS1
RS2
RS2
W2/O/B
Y2 COMP
JP1: internal RC/RH Jumper
Remote Sensors
(Note 8)
RS1
RS1
RS2
RS2
W2/O/B
Y2 COMP
JP1: internal RC/RH Jumper
Remote Sensors
(Note 7)
RS1
RS1
RS2
RS2
W2/O/B
Y2 COMP
Air Handler
(Note 2)
Jumper
Remote
Sensor 1
Remote
Sensor 2
Wiring is not
polarized
Remote
Sensor 1
Remote
Sensor 2
Wiring is not
polarized
Remote
Sensor 1
Remote
Sensor 2
Wiring is not
polarized