Start-up checklist – Heatcraft Refrigeration Products II User Manual

Page 43

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43

Start-up Checklist

Date of Start-up

Location
CONDENSING UNIT
MODEL #
SERIAL #
COOLER UNIT
MODEL #
SERIAL #
COOLER UNIT
MODEL #
SERIAL #
COOLER UNIT
MODEL #
SERIAL #
FREEZER UNIT
MODEL #
SERIAL #
FREEZER UNIT
MODEL #
SERIAL #

ELECTRICAL

Check Primary Supply voltage.
If 208 V, change transformer wiring in the
Cooler and Freezer to the 208 V tap

YES

• Check Compressor Amps for COOLER and

FREEZER compressors. Should match
nameplate.

YES

NO

PIPING

• Is suction line trapped at the Cooler?

YES

NO

• Is suction line trapped at the Freezer?

YES

NO

DRAIN LINES

• Are drain lines sloped properly?

YES

NO

• Is drain line trapped outside the Cooler?

YES

NO

• Is drain line trapped outside the Freezer?

YES

NO

• Is heat tape wrapped along entire length of

the drain line in the Freezer?

YES

NO

• Is heat tape plugged in and heating the drain

line?

YES

NO

INSULATION

• Are Liquid lines fully insulated?

YES

NO

• Are Suction lines fully insulated?

YES

NO

SETTINGS

• Check Beacon II board settings for the

following:
FREEZER
Refrigerant Type

R404A

Box Setpoint Temp.

-10°F.

Superheat

8°F.

No. of Defrost/Day

4

Defrost End Temp.

65°F.

COOLER

ICE STORAGE

Refrigerant Type

R22

R404A

Box Setpoint Temp.

35°F.

28°F.

Superheat

8°F.

8

No. of Defrost/Day

2

4

Defrost End Temp.

50°F.

50°F.

SYSTEM CHECKS

• Check Compressor Superheat for the

COOLER (Should be between 20°F. & 30°F.)

YES

NO

• Check Compressor Superheat for the

FREEZER (Should be between 20°F. & 30°F.)

YES

NO

•Force unit into a Defrost Check heater amps.
Should match nameplate amps.

YES

NO

• Check LPS Time Delay Relays. Should be

set at 1 minute for both the COOLER and
FREEZER.

YES

NO

• Check Low Pressure Switch on FREEZER. Should

be set at 0 psig Cut-out/10 psig Cut-in.

YES

NO

• Did FREEZER and COOLER cycle off on LPS at

Set-point Temperature?

YES

NO

• Is the sight glass free of bubbles?

YES

NO

• Are the COOLER and FREEZER fans at proper

speeds?

YES

NO

• Check system for refrigerant leaks. Are there any

leaks on the COOLER, FREEZER, CONDENSING
UNIT or INTERCONNECTING PIPING?

YES

NO

• Check system piping for unusual vibration or noise.

Is there any unusual vibration or noise on the
COOLER, FREEZER, CONDENSING UNIT or
INTERCONNECTING PIPING?

YES

NO

• Start the FREEZER only. Does the compressor

start and evaporator fans run for this FREEZER?

YES

NO

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