ClimateMaster Tranquility Digital - Auxiliary Heat and Pump Checks; Auxiliary Heat Check; Checking Pump Output

Troubleshooting Guide - Tranquility
®
Digital (DXM2) Packaged Units
Rev.: 01/15/14
28
Geothermal Heat Pump Systems
Auxiliary Heat Check
A-I
A-I
Checking Pump Output
A-J
A-J
Off On
Acc1
Relay
Acc2
Relay
COM
NC1
NO1
COM
NC2
NO2
P3
R R
S1
Factory Use
COH
COM
AO2
P11
Gnd
T1 T2 T2
A0-1
S3
1 2 3 4
1 2 3 4 5 6 7 8
0.5-10 VDC with Pump Running
Note: P11 is where the DXM2
communicates instructions
to the pump.
ON
OFF
ON
OFF
1234
P1
L1
L2
L3
L4
P2
Verify that 24 VDC
is going to auxiliary
control board.
Comp
Relay
24Vdc
EH1
EH2
P6
JW3
CO
RV RV
LT1 LT1 LT2 LT2
LP LP
P7
CC
CCG
CO
12
1 4
0
T4 T4
T5
P9
T5
T6 T6
RV
Relay
CCH
Relay
24 volts DC
First stage auxiliary heat
Note: Verify second stage auxiliary
heat by moving one prod to EH2
Note: If dipswitch #6 in bank S1 is
turned OFF, the relays will rapidly turn
on and off and will burn up the relays.
Black
White
Red