Operating instructions

11. Cooling tower fan starter

12. To cooling tower

13. From cooling tower

14. To load

15. From load

16. 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, (separate starter cabinet).

1. Disconnect

2. Unit mounted starter with control (factory-installed)

3. Guide vane motor

4. Oil pump terminal box

5. Vents

6. Pressure gauges

7. Chilled water pump

8. Condenser water pump

9. Chilled water pump starter

10. Condenser water pump starter

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