Reliatel Refrigeration Module (Rtrm) - Trane ReliaTel Diagnostic Manual

ReliaTel Refrigeration Module (RTRM)

Figure 16. ReliaTel Refrigeration Module (RTRM) - Layout
1 2 3 4
Config - Extended Heat
Common
24 VAC
2 Stage Heat Config
24 VAC
*
Lead/Lag Config
3-Step Cooling Input
ODF A Relay Output
Windmill Prevention Disable
CC2 Output
CC2 Proving
LPC 2 Input
24 VAC In
24 VAC In
Heat 1
Heat 2
SOV 1
ODF B Relay Output
SOV 2
Coil Temperature
Sensor
Electric Config
Common
Green System LED
Green TX LED
Yellow RX LED
*
To enable lead/lag on multiple compressor units, cut wire connected to J-3-8
RT-SVD03G-EN
J9
5
J9
5
4
ModBus
3
J4
Communication
2
1
Receive LED
(Yellow)
4
Gas Heat
3
J5
Communication
2
1
8
2 Compressor
7
Units
6
J3
5
4
3
Green LED
2
"System"
1
10
9
8
7
6
Heat Pump/
5
J2 Electric
4
Heat
3
2
1
On - Normal
Off - No Power, Board Failure
Blinking - Test Mode
Two 1/4 Second Blinks Every 2 Seconds
Diagnostic Present (Version 4.0+)
Two 1/4 Second Blinks Every 2 Seconds - Diagnostic Present
Off - No Power, Board Failure
1/4 Second Blink Every 2 Seconds - No ModBus Communication
Very Fast Flash .5 Second, Off 1.5 Second - ModBus Communication Occuring
C
T
X2
Y2
Conventional
J7 W2
Thermostat
G
W1/O
Y1
R
14
12
Programmable
11
10
9
Zone
8
J6
Sensor
7
Module
6
5
4
Mechanical
3
2
1
Common
T
X2
Y2
Conventional
W2
Thermostat
G
W1 (YC, TC) O (WC)
Y1
R (24 VAC)
24 VAC
Communication Input for Prog. ZSM
Common
ClogFilter/Fan Failure Indication
System/Test Indication
Cool/Cool Fail Indication
Heat/Heat Fail Indication
Common
Heating Setpoint
Mode Input
Mechanical
Cooling Setpoint
ZSM
Common
Zone Temp Input
25