15
YAZAKI WFC-SC5 SERIES CHILLER
INSTALLATION CHECK AND REQUEST FOR START-UP
Yazaki Authorized Service Provider:
Address:
Project Name:
Project Address:
A. CHILLER
1. Unit placed properly on foundation
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2. Unit leveled properly
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3. Service clearance provided on all sides
and top (40 in. front)
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4. Chilled water flow switch piping
connected
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B. WATER PIPING
1. Chilled water piping installed between
chiller, pumps, and air handling unit(s)
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2. Cooling water piping installed between
chiller, pumps, and cooling tower
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3. Heat medium piping installed between
chiller, pumps, and heat source
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4. Water piping leak tested and flushed
…
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5. Fluid circuits filled with water and glycol
(if required) and trapped air vented
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6. Flow setters installed in water piping ..
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7. Test plugs
(Pete’s plugs) and/or
thermowells installed in the inlet and
outlet piping of each chiller
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8. Valves installed at each chiller for
flow balancing and isolation
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9. Air vent valves installed on piping
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10. Strainers present and clean
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11. Expansion tank (properly charged) and
water make-up piping installed to
chilled water system
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12. Expansion tank (properly charged)
installed on heat medium piping
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13. Water make-up and fill lines installed
to the cooling tower
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14. Pressure relief valves, set to maximum
of 85.3 psig (588 kPa), installed on
piping adjacent to each chiller
(if required)
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C. POWER WIRING
1. Power supply, as indicated on the UNIT
NAMEPLATE, is connected
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2. Wiring completed between the chiller,
motor contactors and/or starters for the
following : Chilled/hot water pump,
cooling water pump, heat medium
pump, and cooling tower fan
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3. Rotation of each external pump and fan
motor checked
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4. Power supply wiring connected between
a fused disconnect and each chiller. (DO
NOT operate the chiller)
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5. Power supply available near the chiller
for a vacuum pump
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D. CONTROL WIRING
1. Motor contactors, starters, and/or
manual controllers installed for all
external motors
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2. Control wiring (24vac max) installed
between chiller and pump/motor
contactors
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3. Interlock wiring installed between chiller
and thermal overloads on the following
motors: Chilled water pump, cooling
water pump, heat medium pump, and
cooling tower fan
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E. CONDITIONS
1. Personnel available to assist with
start-up who are familiar with the
system and have appropriate tools
(adequate vacuum pump, vacuum
gauge, proper hoses, etc.)
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Model No: Serial No:
Anticipated Startup Date:
