ClimateMaster Tranquility Digital DXM2 - Connection to Non-Communicating Thermostat and AXM Control

Tranquility
®
Digital (DXM2)—Troubleshooting Guide
Rev.: 10 March, 2015
50
Geothermal Heating and Cooling
Connection to Non-Communicating thermostat and AXM
communicating control in Tranquility
®
Digital Air Handler
B-R
68.
Non-Communicating
2 Cool / 3 Heat Thermostat
Compressor
Compressor Stage 2
Communicating
TAH AXM Control
Y1
Y2
O
R
G
C
DH
AL1
Y1
Y2
Non-communicating thermostat with communicating
compressor section and communicating air handler
DXM2 In
Compressor
Section
Fault LED
L
Reversing Valve O
W
Auxiliary Heat W
24Vac Hot
R
Fan
G
24Vac Common
C
DH
Dehumidification
(ATP32U04 Only)
C
A+
B-
24V
C
A+
B-
24V
Non-Communicating
2 Cool / 3 Heat Thermostat
Compressor
Compressor Stage 2
Communicating
TAH AXM Control
Y1
Y2
O
R
G
C
DH
AL1
Y1
Y2
Non-communicating thermostat with communicating
compressor section and communicating air handler
DXM2 In
Compressor
Section
Fault LED
L
Reversing Valve O
W
Auxiliary Heat W
24Vac Hot
R
Fan
G
24Vac Common
C
DH
Dehumidification
(ATP32U04 Only)
C
A+
B-
C
A+
B-
24V
24V
ATC32U02
24
V
B
-
A
+
C
Thermostat Connections
C 24V Common for Control Circuit
R 24V Supply for Control Circuit
A+ Communications (Positive)
B – Communications (Negative)
Non CLM
Typical Thermostat
Compressor
Compressor Stage 2
Non CLM
Typical
Air Handler
Y1
Y2
O
R
G
C
Y1
Y2
DXM2 Board
Compressor
Section
Electric Heat
W
Reversing Valve O
24Vac Hot
R
Fan
G
24Vac Common
C
AL1
Alarm
E
Electric Heat
L
W2
W1
Y1
Y2
O
R
G
C
LT2
Sensor
LT2
LT2
Air Coil Freeze
Protection
Note: LT2 sensor is shipped on both TES and TEP.
Thermostat Connections
C 24V Common for Control Circuit
R 24V Supply for Control Circuit
A+ Communications (Positive)
B – Communications (Negative)