WFC- SC(H) Series
.
Installation
- 20 -
Installation Check and Request for Commissioning
Yazaki Distributor: ………………………………………………………………….
Project Name: ……………………………………Location ………………………..
Date Installation Completed
: …………………
Model No. …………………………Serial No………………………………………
Check Items
Absorption machine & cooling tower
1.Unit & cooling tower correctly mounted
2. Levelling bolts properly located
3. Mounting plates properly located
4. Level longitudinal and transverse correct
5. Multiple machines level with each other
6. All unit cabinet panels accessible and free
for removal
Water Piping and Valves
1. Chilled-hot water piping installed,
supported and aligned correctly
2. Chilled-hot water pump correctly sized
and operative.
3. Chilled water stop and regulating
valves installed.
4. Thermometer wells installed in the inlet
and outlet chilled-hot water pipes.
5. Heat medium piping installed,
supported and aligned correctly
6. Heat medium pump correctly sized
and operative.
7. Heat medium stop and regulating
valves installed.
8. Thermometer wells installed in the inlet
and outlet heat medium pipes.
9. Cooling water pipes installed, supported
and aligned correctly.
10. Cooling water pump correctly sized
and operative.
11. Cooling water stop, regulating and
flush valves installed.
12. Thermometer wells installed in the inlet
& outlet cooling water pipes.
13. Make-up and fill lines installed to the
cooling tower and chilled-hot water circuit.
14. Air vent valves correctly installed.
15. All water pipes cleaned, flushed, filled
and leak tested ready for operation.
16.Water treatment apparatus installed,
chemically dosed and ready for operation.
Electrical
1. Power supply compatible with the chiller-
heater data plate.
2. Power wiring correctly sized, fuse protected
and connected to the junction box of the
chiller-heater.
3. Chilled-hot water pump correctly wired
with motor contactor and thermal relay.
4. Heat medium pump correctly wired
with motor contactor and thermal relay.
(4.) Heat medium 3 way valve correctly wired
with motor contactor and thermal relay.
5. Cooling tower pump correctly wired
with motor contactor and thermal relay.
6. Cooling tower fan correctly wired with
motor contactor and thermal relay.
7. Correct rotation of each motor confirmed.
8. Transient protection apparatus correctly
installed.
9. Singe phase power supply outlet available
near the chiller-heater for the vacuum pump.
10. Control wiring between the chiller-heater
junction box and field enclosure properly
installed, voltage does not exceed ac 30V.
11.Field wiring to facilitate remote heating,
cooling selection (optional) properly
installed and functional.
On the arranged date of commissioning, it is required that representatives from the organizations
involved in the installation be present throughout at site.
