Trane CGAH Series User Manual

Failure
to comply
with
this
rule
may
result
in
the
cancellation
of
the warranty,
and
refusal by
Société
Trane
to
accept liability.
A maintenance inspection
by
a
qualified
technician
is
also
recommended
after
the first
500 hours of operations
from unit
start-up.
Cleaning
of condensers
1. Turn
the fans
by hand
to make
sure
they
rotate
perfectly.
2.
Clean the condenser
coils
lf
the
batteries
are
too
professional.
with
a brush or
jet
of water.
dirty, consult
a cleaning
The following
operations
must
be
carried
out by
a
qualified
refrigeration
technician
as
part
of
a
maintenance
contract.
The recommended
Írequency
of maintenànce
inspections
is:
-
4
times a
year
for
chillerrs
permanently
in
service
.
-
2
times
per year
for
chillers
used
during
the
hot
season
only.
d,)
Maintenance inspection
lf
the unit does
not
operate
to
full
'Operating
anomalies'
This
shows
and ways
to correct
them.
Troubleshooting
guide
These
are simple
diagnostic
hints.
lf
satisfaction,
consult
operating
problems
there is
a
breakdown,
the Trane Agency
should
be
r:alled
in
to confirm.
A)
The
compressor
will
not start up
Compressor terminals
are live,
but motor will
not
start.
Motor
burned
out.
Replace
compressor.
Starter motor not
operational.
Coil
burned
out
or broken contacts.
Repair
or replace.
No current
ahead
of motor
starter.
a) Power
cut.
b) Main
power
supply switched
off.
Check
fuses
and
connection.
See why rsystem
tripped.
lf
system
is
operational,
switch
on mains
power
sw'itch.
Current ahead
of
starter, but not
on
fuse side.
Fuse
blown.
Replace
fr.lse.
Check
motor
insulation.
Low voltage
reading
on volt
meter.
Voltage
too low.
Contact
power
supply
utility.
Starter coil not
excited.
Regulation
circuit
open.
Locate
regulation
device
which
has
tripped
out,
and
sree why.
See instructions.
Compressor
will
not run.
Compressor
motor'groans'.
Compressor
sticking
(damaged
or
sticking
components).
Re-set
compressor.
Open
contact
on high
pressure
switch.
Discharge
pressure
greater
than
setpoint.
Discharge
pressure
greater
than.
lower
differential
value.
See instrurctions
for'discharge
pressure
too
high'.
High
pressure
switch
tripped.
Discharge pressure
greater
than
lower
differential
value.
See
instructions
for'discharge pressure
too high-.
Over current
thermal
relay
tripped.
a) Voltage
too low.
b)
Cooling
demand
too high, or
compensation
temperature
too
high.
al Contaot power
supply
utility.
b)
See instruction
'discharge
pressure
too high'.
Coil
thermostat
tripped.
Not
enough
cooling
fluid.
Repair
leark.
Add
refrigerant.
Anti-freeze
security
tripped.
Reduced
water
flow to
evaporator.
Check water
flow
rate, and
pressure
switch
contact
in water.
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Trane CGAH Series Specifications

General

Brand	Trane
Model	CGAH Series
Category	Chiller
Language	English