mars 7602-457 Communicating Programmable Thermostat Instruction Manual
Installation Manual - 7602-457 Communicating, Programmable Thermostat
F
A
U
L
T
C
O
N
D
I
T
I
O
N
M
E
N
U
FAULT I / O CONDITIONS
LT1 LOW WATER TEMP
HEAT 1 11:11 AM 11/14
LT1 LOW WATER TEMP
HEAT 1 11:11 AM 11/14
TSTAT
SAFETY
HPS
O
U
T
P
T
FAULT TEMP CONDITIONS
FAULT FLOW CONDITIONS
FAULT I/O CONDITIONS
FAULT CONFIG COND
CONV COMM
Y1
Y2
W
Y1
Y2
W
O
LOC
CC
CO
RV
ACC1
ACC2
AL1
O
OUTPT
FAN
G
G
H
H
HWG
PUMP
EH1
EH2
OVR
DH
FAULT POSSIBLE CAUSES
PREVIOUS
SELECT
PREVIOUS
9.4.1 Temperature Conditions
9.4.4 Configuration Conditions
Displays detailed temperature readings that were
recorded at the time the fault occurred.
Displays the status of all dipswitch settings that were
recorded at the time the fault occurred.
NOTE: If multiple units are connected to one thermostat, refer
NOTE: If multiple units are connected to one thermostat, refer
to section 9.6.
to section 9.7.
FAULT TEMPERATURE CONDITIONS
LT1 LOW WATER TEMP
HEAT 1 11:11 AM 11/14
FAULT CONFG CONDITIONS
LT1 LOW WATER TEMP
HEAT 1 11:11 AM 11/14
LT1 TEMP
28.1
97.3
S1
S2
ON
S3
LT2 TEMP
1
2
3
4
5
6
7
8
ON
ON
ON
ON
ON
ON
ON
ON
1
2
3
4
5
6
7
8
1
2
3
4
ON
HOT WATER EWT
COMP DISCHARGE
LEAVING AIR
121.5
157.7
92.7
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
LEAVING WATER
ENTERING WATER
CONTROL VOLTAGE
34.9
42.1
LT1 WELL
LT2 WELL
26.4
PREVIOUS
PREVIOUS
9.4.2 Flow Conditions
Displays detailed blower and pump speed / valve
position readings that were recorded at the time the
fault occurred.
9.4.5 Possible Causes
Possible causes as to why the fault occurred
NOTE: If multiple units are connected to one thermostat, refer
to section 9.7.
NOTE: If multiple units are connected to one thermostat, refer
to section 9.7.
POSSIBLE FAULT CAUSES
LOW WATER COIL TEMP
FAULT FLOW CONDITIONS
LT1 LOW WATER TEMP
HEAT 1 11:11 AM 11/14
LOW WATER TEMP - HTG
LOW WATER FLOW - HTG
LOW REFRIG CHARGE - HTG
INCORRECT LT1 SETTING
BAD LT1 THERMISTOR
PREVIOUS
ECM TARGET CFM
ECM BLOWER RPM
FLOW RATE GPM
PUMP SPEED
800
550
6.5
60%
140
PUMP WATTS
LOOP CONFIG
PREVIOUS
VS PUMP
SINGLE
9.4.3 Input/Output Conditions
9.5
CLEAR FAULT HISTORY
Displays the status of all physical and communicated
inputs, switches, and control outputs that were
recorded at the time the fault occurred.
Clear Fault History will clear all fault codes stored in the
thermostat as well as the fault history in any connected
communicating controls (DXM2/AXM).
NOTE: If multiple units are connected to one thermostat, refer
to section 9.7.
14
| General | Details |
|---|---|
| Name | mars 7602-457 Communicating Programmable Thermostat Instruction Manual |
| Make | MARS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.49 MB |
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