Carrier 19XL User Manual

Page 382

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INSPECT WIRING AND RECORD ELECTRICAL DATA:

RATINGS:

Motor Voltage

Motor(s) Amps

Oil Pump Voltage

Starter Amps

Line Voltages:

Motor

Oil Pump

Controls/Oil Heater

FIELD-INSTALLED STARTERS ONLY:

Check continuity T1 to T1, etc. (Motor to starter, disconnect motor leads T4, T5, T6.) Do not megger solid-state starters, disconnect
leads to motor and megger the leads.

MEGGER MOTOR

‘‘PHASE TO PHASE’’

‘‘PHASE TO GROUND’’

T1-T2

T1-T3

T2-T3

T1-G

T2-G

T3-G

10-Second Readings:

60-Second Readings:

Polarization Ratio:

STARTER:

Electro-Mechanical

M

Solid-State

M

Manufacturer

Serial Number

Motor Load Current Transformer Ratio

:

Signal Resistor Size

Ohms

Transition Timer Time

Seconds

Check Magnetic Overloads

Add Dash Pot Oil

Yes

M

No

M

Solid-State Overloads

Yes

M

No

M

Solid State Starter:

Torque Setting

O’Clock

Ramp Setting

Seconds

CONTROLS: SAFETY, OPERATING, ETC.

Perform Controls Test (Yes/No)

PIC CAUTION

COMPRESSOR MOTOR AND CONTROL CENTER MUST BE PROPERLY AND INDIVIDUALLY CON-
NECTED BACK TO THE EARTH GROUND IN THE STARTER. (IN ACCORDANCE WITH CERTIFIED
DRAWINGS).

Yes

RUN MACHINE:

Do these safeties shut down machine?

Condenser Water Flow Switch

Yes

M

No

M

Chilled Water Flow Switch

Yes

M

No

M

Pump Interlocks

Yes

M

No

M

INITIAL START:

Line Up All Valves in Accordance With Instruction Manual:

Start Water Pumps and Establish Water Flow

Oil Level OK and Oil Temperature OK

Check Oil Pump Rotation-Pressure

Check Compressor Motor Rotation (Motor End Sight Glass) and Record:

Clockwise

Restart Compressor, Bring Up To Speed. Shut Down. Any Abnormal Coastdown Noise?

Yes*

M

No

M

*If yes, determine cause.

START MACHINE AND OPERATE. COMPLETE THE FOLLOWING:

A: Trim Charge and Record Under Charge Refrigerant Section on page 51.
B: Complete Any Remaining Control Calibration and Record Under Controls Section (pages 11-36).
C: Take At Least 2 Sets of Operational Log Readings and Record.
E: After Machine Has Been Successfully Run and Set Up, Shut Down and Mark Shutdown Oil and Refrigerant Levels.
F: Give Operating Instructions to Owner’s Operating Personnel.

Hours Given:

Hours

G: Call your Carrier factory representative to report chiller start-up.

SIGNATURES:

DATE

CARRIER

CUSTOMER REPRESENTATIVE

TECHNICIAN

DATE

4

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