Trane ReliaTel - Page 13

RT-SVD03G-EN 13
Module Flow Diagram
Figure 3. Refrigeration Module (RTRM) Heat Pump
LED or indications
WS Refrigeration Module
4 Zone Sensor Inputs (AIP)
4 Outputs
No Electric Heat Configuration (BIP)
(open when heaters installed)
Outdoor Fan Output
7 Thermostat inputs (BIP)
3 to 7 wire Communicating ZSM
Switchover Valve Output
MODBUS Communication
Compressor 1 Output (BOP)
Compressor 1 Proving (BIP)
Coil Sensor Temp (AIP)
Electric Heat 2nd Stage
Compr 1 Disable (BIP)
Service Test input (BIP)
Outdoor Air Temp (AIP)
LEDs: System TX, RX
24 VAC
Power
Sensor
Resistor
Electric
Heat 2
Electric
Heat 1
CC1
SOV
Unit Control, Select one
Zone Sensor
Mechanical
Thermostat
G Y1 Y2 O
W2 X2 T
R C/B
Zone Sensor
Programmable
COMM 3/4
Communication
Interface
Options
Module
Economizer
Module
w/Actuator
IDF
ODF
Sensor
Indoor Fan Output
1 Stage Electric Heat Config. (BIP)
(open when 2 Stage
heaters installed)
Emergency Stop (BIP)
Outdoor Air Temp (AIP)
RTRM