Operating instructions

30
17
18
15
19
16
16
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1. Disconnect
2. Freestanding compressor motor starter/variable frequency drive
3. Compressor motor terminal box
4. Oil pump terminal box
5. Control cabinet
6. Vents
7. Pressure gauges
8. Chilled water pump
9. Condenser water pump
10. Chilled water pump starter
11. Condensing water pump starter
12. Cooling tower fan starter
13. Disconnect
14. Circuit breaker
15. To cooling tower
16. From cooling tower
17. To load
18. From load
19. Drain
Piping
Control wiring
Power wiring
IMPORTANT: Ensure correct phasing is followed for
proper motor rotation (clockwise). Do not isolate the
terminals until the wiring has been verified and approved
by the Carrier personnel in charge of the commissioning.
NOTE: The oil pump disconnect switch can be placed
near element 2, (independent starter cabinet).
NOTES:
1. Wiring and piping shown are for general point-of-
connection only and are not intended to show details
for a specific installation. Certified field wiring and
dimensional diagrams are available on request.
2. All wiring must comply with applicable codes.
3. Refer to Carrier System Design Manual for details
regarding piping techniques.
4. Wiring not shown for optional devices such as:
• remote start-stop
• remote alarm
• optional safety device
• 4 to 20 mA resets
• optional remote sensors
3.6.6.2 - Freestanding, field-installed starter
The starters must be designed and manufactured in
accordance with applicable regulations. Fig. 22 illustrates
the installation principle to be observed.
IMPORTANT: Do not insulate terminals until wiring
arrangement has been checked and approved by Carrier
start-up personnel. Also, make sure correct phasing is
followed for proper motor rotation (clockwise).