Westinghouse PD06OD Installation Booklet Download Page 12

Start Up

Procedure Check Points Yes No

d. Check oil pressure safety switch

e .   C h e c k   a n d   a d j u s t   l o w   p r e s s u r e   o r

temperature freeze control

f. Check and adjust operating thermostat

g. Check and adjust low pressure operating

control

h. Check and adjust expansion valve

superheat

Operating Data

Chiller

V o l t a g e :   L - l   _   L - 2   _   L - 3   _

Pressure gauge readings: a. Suction

b. Discharge

c .   O i l  ~

d .  Net oil

Pressure

c-b =

High pressure switch setting: (cut in)

Checked setting Yes

Low pressure switch setting: (cut in)

Checked setting Yes

Low oil pressure switch checked Yes

Low pressure freeze control

If part winding start, time delay is

Temperature of air entering condenser

Temperature of air leaving condenser

Temperature of Chilled Water entering chiller 

Temperature of Water (Chilled) leaving chiller

Chilled water pressure entering chiller

Chilled water pressure leaving chiller

psig

psig

psig

psig

psig _ psig (out)

No

psig

psig (out)

_   N o

No

Cut in 

 

cut out

seconds.

p s i g

p s i g

Westinghouse   Commercial   Industrial Air Conditioning Division   Staunton, VA. 

In Canada: Westinghouse Canada Ltd. 492 Speers Road, Oakville, Ontario
World wide: Westinghouse Air Conditioning International

Westinghouse Bld, Gateway Center, Pittsburgh, PA. 16222

V8/77/6M

Summary of Contents for PD06OD

Page 1: ......

Page 2: ...accessible to servicing Drain connections should be provid ed at all low points to permit complete drainage of chiller and piping system The chiller water piping should be insulated to reduce heat pic...

Page 3: ...As a result the unit may cycle on low pressure con trol with the possibility of evaporator freezing Westinghouse offers two types of system con trol allowing the units to operate at the winter ambien...

Page 4: ...2 Dial Set At 55 F Fan Cycling Ambient Thermostat Adjustable FCT 1 FCT 1 Cut In 75 F cut out 72 F FCT 2 FCT 2 Cut In 55 F cut out 52 F FCT 3 FCT 3 Cut In 38 F cut out 35 F Chiller Heater Thermostat N...

Page 5: ......

Page 6: ......

Page 7: ...s Cl C3 C5 C7 respectively to energize fan contactor C9 when the high side pressure in creases to the cut in setting of FCP1 or FCP2 fan cycling pressure controll Fan Motor M2 and M3 are energized thr...

Page 8: ......

Page 9: ...tacts CIA C3A C5A C7A of contactors Cl C3 C5 C7 respectively to energize fan contactor C9 when the high side pressure in creases to the cut in setting of FCP1 or FCP2 fan cycling pressure control Fan...

Page 10: ......

Page 11: ...m g All lead connections tight h Wiring complies with local codes a Piping complies with applicable codes b External piping independently supported c Chilled water lines insulated a All belts adjusted...

Page 12: ...ssure switch checked Yes Low pressure freeze control If part winding start time delay is Temperature of air entering condenser Temperature of air leaving condenser Temperature of Chilled Water enterin...

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