Daikin DRG0361DL00001S, Инструкция по эксплуатации

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44
SERVICING
Complaint
System
Operating
Pressures
POSSIBLE CAUSE
DOTS IN ANALYSIS
GUIDE INDICATE
"POSSIBLE CAUSE"
SYM
PT
O
M
Sy
st
em
w
ill not
s
tar
t
C
om
pr
es
sor
w
ill not
s
tar
t -
fan r
uns
C
om
p.
and C
ond.
F
an w
ill not
s
tar
t
Ev
apor
at
or
fan w
ill not
s
tar
t
C
ondens
er
fan w
ill not
s
tar
t
C
om
pr
es
sor
runs
- goes
of
f on ov
er
load
C
om
pr
es
sor
c
yc
les
on ov
er
load
Sy
st
em
runs
c
ont
inuous
ly
- l
itt
le
cool
ing
Too c
ool
and t
hen t
oo w
ar
m
N
ot
c
ool
enough on w
ar
m
day
s
C
er
tai
n ar
eas
too c
ool
, ot
her
s t
oo w
ar
m
C
om
pr
es
sor
is
noi
sy
Low
s
uc
tion
pr
es
sur
e
H
igh s
uc
tion pr
es
sur
e
H
igh head pr
es
sur
e
Test Method
Remedy
See S
er
vi
ce P
ro
ced
ur
e R
ef
.
Power Failure
•
Test Voltage S-1
Blown Fuse
• • •
Inspect Fuse Size & Type S-1
Unbalanced Power, 3PH
• • •
Test Voltage S-1
Loose Connection
• • •
Inspect Connection - Tighten S-2, S-3
Shorted or Broken Wires
• • • • • •
Test Circuits With Ohmmeter S-2, S-3
Open Fan Overload
• •
Test Continuity of Overload S-17A
Faulty Thermostat
• • • •
Test Continuity of Thermostat & Wiring S-3
Faulty Transformer
• •
Check Control Circuit with Voltmeter S-4
Shorted or Open Capacitor
• • • • •
Test Capacitor S-15
Internal Compressor Overload Open
•
Test Continuity of Overload S-17A
Shorted or Grounded Compressor
• •
Test Motor Windings S-17B
Compressor Stuck
• • •
Use Test Cord S-17D
Faulty Compressor Contactor
• • •
Test Continuity of Coil & Contacts S-7, S-8
Faulty Fan Relay
•
Test Continuity of Coil And Contacts S-7
Open Control Circuit
•
Test Control Circuit with Voltmeter S-4
Low Voltage
• • •
Test Voltage S-1
Faulty Evap. Fan Motor
• •
Repair or Replace S-16
Shorted or Grounded Fan Motor
• •
Test Motor Windings S-16
Improper Cooling Anticipator
• •
Check Resistance of Anticipator S-3B
Shortage of Refrigerant
• • •
Test For Leaks, Add Refrigerant S-101,103
Restricted Liquid Line
• • • •
Remove Restriction, Replace Restricted Part S-112
Dirty Air Filter
• • • •
Inspect Filter-Clean or Replace
Dirty Indoor Coil
• • • •
Inspect Coil - Clean
Insufficient air across Indoor Coil
• • • • Check Blower Speed and Rotation, Belt, Pulleys,
Duct Static, Filter
S-200,205,
206, 207
Too much air across Indoor Coil
•
Reduce Blower Speed, Check Pulley Adjustment S-205, 207
Overcharge of Refrigerant
• • • • •
Recover Part of Charge S-113
Dirty Outdoor Coil
• • • • •
Inspect Coil - Clean
Noncondensibles
• • • •
Recover Charge, Evacuate, Recharge S-114
Recirculation of Condensing Air
• • • •
Remove Obstruction to Air Flow
Infiltration of Outdoor Air
• • •
Check Windows, Doors, Vent Fans, Etc.
Improperly Located Thermostat
• •
Relocate Thermostat
Air Flow Unbalanced
• •
Readjust Air Volume Dampers
System Undersized
• •
Refigure Cooling Load
Broken Internal Parts
•
Replace Compressor S-115
Broken Valves
• • •
Test Compressor Efficiency
S-104
Inefficient Compressor
• •
Test Compressor Efficiency S-104
Expansion Device Restricted
• • • • • •
Remove Restriction, Replace Expansion Device 111
Loose Hold-down Bolts
•
Tighten Bolts
Flowrator Not Seating Properly
• •
Check Flowrator & Seat or Replace Flowrator S-111
•
No Cooling
Cooling Cycle
COOLING ANALYSIS CHART
Unsatisfactory
Cooling