Specifications

23
YAZAKI WFC-SC/SH SERIES CHILLER
INSTALLATION CHECK AND REQUEST FOR START-UP
Yazaki Authorized Service Provider:
Address:
Project Name:
Project Address:
A. CHILLER-HEATER
1. Unit placed properly on foundation □
2. Unit leveled properly □
3. Service clearance provided on all sides
and top (40 in. front) □
4. Chilled water flow switch piping
connected □
B. WATER PIPING
1. Chilled water piping installed between
chiller, pumps, and air handling unit(s) □
2. Cooling water piping installed between
chiller, pumps, and cooling tower □
3. Heat medium piping installed between
chiller, pumps, and heat source □
4. Water piping leak tested and flushed …□
5. Fluid circuits filled with water and glycol
(if required) and trapped air vented □
6. Flow setters installed in water piping .. □
7. Test plugs (Pete’s plugs) and/or
thermowells installed in the inlet and
outlet piping of each chiller □
8. Valves installed at each chiller for
flow balancing and isolation □
9. Air vent valves installed on piping □
10. Strainers present and clean □
11. Expansion tank (properly charged) and
water make-up piping installed to
chilled water system □
12. Expansion tank (properly charged)
installed on heat medium piping □
13. Water make-up and fill lines installed
to the cooling tower □
14. Pressure relief valves, set to maximum
of 85.3 psig (588 kPa), installed on
piping adjacent to each chiller
(if required) □
C. POWER WIRING
1. Power supply, as indicated on the UNIT
NAMEPLATE, is connected □
2. Wiring completed between the chiller-
heater, motor contactors and/or starters
for the following : Chilled/hot water
pump, cooling water pump, heat
medium pump, and cooling tower fan □
3. Rotation of each external pump and fan
motor checked □
4. Power supply wiring connected between
a fused disconnect and each chiller. (DO
NOT operate the chiller) □
5. Power supply available near the chiller
for a vacuum pump □
D. CONTROL WIRING
1. Motor contactors, starters, and/or
manual controllers installed for all
external motors □
2. Control wiring (24vac max) installed
between chiller and pump/motor
contactors □
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 □
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.) □
Model No: Serial No:
Anticipated Startup Date: