McQuay AGS 120CS/H User Manual

66 IMM AGS-2
Figure 37, Trouble Shooting Guide
Low or Missing
Line?
Phase Order
Fault
Thermal Trip?
Interlock
Open?
Wiring OK?
High
Ambient?
In-Line OK?
Circuit
Breaker OK?
Fuses OK?
Does Problem
Still Exist
Bad Air
Circulation?
Motor
Overloaded?
Wiring OK?
Swap Any
2 Power
Leads
Correct and
Wait to Cool
Replace
Control Card
Lower Motor
Load
Correct and
Wait to Cool
Correct
Wiring
Return To
Service
Replace
Circuit
Breaker
Replace
Fuses
Correct
Inline Fault
Correct
Interlock
State
Correct Power
Source
Problem
Correct
Wiring
N
o
Yes
Yes
N
o
N
o
N
o
N
o
N
o
N
o
N
o
Yes
Yes
Yes
N
o
N
oYes
Yes
N
o
N
o
Yes
Yes Yes
Yes
Yes
Yes
N
o
Return To
Service
3
4
Start
5
6
7
8
9
10
7
1
2
Go to Page 39

McQuay AGS 120CS/H Specifications

General

Brand	McQuay
Model	AGS 120CS/H
Category	Chiller
Language	English