English
6/6
PST 460-1800
7 Troubleshooting
FAULT
CAUSE
REMEDY
Clean
condenser
High dew point
refrigeration compressor
operating?
ST thermostat tripped
Cooling air high tem-
perature
Excessive thermal load
(air fl ow, inlet temperature)
Fan pressure
switch (PV) not
set
Replace
pressure
switch
Z
Condenser
dirty or ob-
structed
Low current
absorption
No
refrigerant
recharge
Z
Low current
absorption
Request external
assistance
Decrease
cooling air tem-
perature
Decrease
compressed air
quantity tempera-
ture
Clean
condenser
Replace pres-
sure switch
Z
Replace fan
Z
HP pressure switch
tripped
Cooling air high
temperature
Excessive thermal
load (inlet air fl ow,
temperature)
Condenser dirty or
obstructed
Fan does
not turn (PV pres-
sure switch fault)
Fan fault
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Lt Low evaporation
temperature alarm Ld
Low dew point alarm.
Low
cooling
air
temperature
Fan
always
working
(PV pressure
switch fault)
Replace
pressure
switch
Z
Hot gas
valve
not calibrated
Calibrate
valve
Z
Increase
cooling air
temperature
No
No
No
Yes
Yes
Yes
LP Low
pressure alarm
LP
Low pressure
switch fault
Yes
Replace
pressure
switch
Z
Liquid line
solenoid valve
closed
No
Replace
the coil
Z
Yes
No
High current ab-
sorption
Compressor
noisy
Compressor
components
perished
Condenser dirty or
obstructed
Repair or
replace
compressor
Z
Compressor
winding with
partial loss of
insulation
No
Yes
No
Yes
Yes
CP
compressor
thermal protection
alarm
The compressor
works in the op-
posite direction
invert
the phases
Yes
No
Compressor
fault
Yes
Содержание Polestar-Smart PST1200
Страница 2: ......
Страница 100: ...Русский 8 8 PST 460 1800 ...
Страница 111: ...8 5 EXPLODED DRAWING 11 PST 460 1800 PST 460 520 Ac ...
Страница 112: ...8 5 EXPLODED DRAWING 12 PST 460 1800 PST 630 900 Ac ...
Страница 113: ...8 5 EXPLODED DRAWING 13 PST 460 1800 A B C D E F G PST 1200 Ac ...
Страница 114: ...8 5 EXPLODED DRAWING 14 PST 460 1800 B B A F C C E G D PST 1500 1800 Ac ...
Страница 115: ...8 5 EXPLODED DRAWING 15 PST 460 1800 A F B C D E G PST 460 630 Wc ...
Страница 116: ...8 5 EXPLODED DRAWING 16 PST 460 1800 A F B C D E G PST 750 1200 Wc ...
Страница 117: ...8 5 EXPLODED DRAWING 17 PST 460 1800 F B A E D G C B C PST 1500 1800 Wc ...
Страница 118: ...8 6 DIMENSIONAL DRAWING 18 PST 460 1800 PST 460 520 Ac ...
Страница 119: ...8 6 DIMENSIONAL DRAWING 19 PST 460 1800 inches mm centre of gravity position PST 630 900 Ac ...
Страница 120: ...8 6 DIMENSIONAL DRAWING 20 PST 460 1800 inches mm centre of gravity position PST 1200 Ac ...
Страница 121: ...8 6 DIMENSIONAL DRAWING 21 PST 460 1800 PST 1500 1800 Ac ...
Страница 122: ...8 6 DIMENSIONAL DRAWING 22 PST 460 1800 PST 460 630 Wc ...
Страница 123: ...8 6 DIMENSIONAL DRAWING 23 PST 460 1800 PST 750 1200 Wc ...
Страница 124: ...8 6 DIMENSIONAL DRAWING 24 PST 460 1800 PST 1500 1800 Wc ...
Страница 125: ...8 7 REFRIGERANT CIRCUIT 25 PST 460 1800 PST 460 1200 Ac PST 1500 1800 Ac A1 A1 ...
Страница 126: ...8 7 REFRIGERANT CIRCUIT 26 PST 460 1800 A1 A1 PST 460 1200 Wc PST 1500 1800 Wc ...
Страница 127: ...8 8 WIRING DIAGRAM 27 PST 460 1800 PST 460 520 Ac Wc Sheet 1 of 6 460 520 2760 3120 ...
Страница 128: ...8 8 WIRING DIAGRAM 28 PST 460 1800 Sheet 2 of 6 ...
Страница 129: ...8 8 WIRING DIAGRAM 29 PST 460 1800 Sheet 3 of 6 ...
Страница 130: ...8 8 WIRING DIAGRAM 30 PST 460 1800 Sheet 4 of 6 ...
Страница 131: ...8 8 WIRING DIAGRAM 31 PST 460 1800 Sheet 5 of 6 ...
Страница 132: ...8 8 WIRING DIAGRAM 32 PST 460 1800 Sheet 6 of 6 ...
Страница 133: ...8 8 WIRING DIAGRAM 33 PST 460 1800 PST 630 750 Ac Wc Sheet 1 of 6 630 750 3780 4500 ...
Страница 134: ...8 8 WIRING DIAGRAM 34 PST 460 1800 Sheet 2 of 6 630 750 3780 4500 ...
Страница 135: ...8 8 WIRING DIAGRAM 35 PST 460 1800 Sheet 3 of 6 ...
Страница 136: ...8 8 WIRING DIAGRAM 36 PST 460 1800 Sheet 4 of 6 ...
Страница 137: ...8 8 WIRING DIAGRAM 37 PST 460 1800 Sheet 5 of 6 ...
Страница 138: ...8 8 WIRING DIAGRAM 38 PST 460 1800 Sheet 6 of 6 ...
Страница 139: ...8 8 WIRING DIAGRAM 39 PST 460 1800 PST 900 1800 Ac Wc Sheet 1 of 6 900 1200 5420 7200 1500 1800 9000 10800 ...
Страница 140: ...8 8 WIRING DIAGRAM 40 PST 460 1800 Sheet 2 of 6 900 1200 5420 7200 1500 1800 9000 10800 ...
Страница 141: ...8 8 WIRING DIAGRAM 41 PST 460 1800 Sheet 3 of 6 ...
Страница 142: ...8 8 WIRING DIAGRAM 42 PST 460 1800 Sheet 4 of 6 ...
Страница 143: ...8 8 WIRING DIAGRAM 43 PST 460 1800 Sheet 5 of 6 ...
Страница 144: ...8 8 WIRING DIAGRAM 44 PST 460 1800 Sheet 6 of 6 ...
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