Manitowoc QD0672C Specifications download pdf (Page 22)

Installation Instructions Section 2

2-12

Part No. 80-1175-3, 6/03

Refrigeration System Installation

USAGE WITH NON-MANITOWOC

CONDENSING UNITS

Manitowoc CVD® Condensing Units are specifically

designed for usage with a QuietQube® Ice Machine

Head Section. Standard condensing units and Non-

Manitowoc condensing units will not operate a

QuietQube® Ice Machine Head Section.

Factory Equipment Refrigeration Amounts

ICE MACHINE HEAD SECTION

Each ice machine head section ships from the factory

with a R-404A refrigerant charge appropriate for the

entire system operation. The serial tag on the ice

machine indicates the refrigerant charge. The refrigerant

charge is sufficient to operate the ice machine in

ambient temperatures between -20°F (-28.9°C) and

130°F (54.4°C). With line set lengths of up to 100 feet

(30.5 m).

CVD® CONDENSING UNIT

Each condensing unit ships from the factory pressurized

with 50/50 nitrogen helium mixture that must be removed

during the installation process (approximately 20 psig).

REFRIGERATION LINE SETS/TRAP KIT

Refrigeration Rated Tubing and Trap Kits are shipped

capped with atmospheric pressure.

QuietQube®

Ice Machine

Remote Single

Circuit

Condenser

Line Set*

Q0670C

Q0870C

CVD675

CVD875

RC-21

RC-31

RC-51

Q1070C CVD1075

RC-20

RC-30

RC-50

*Line Set Suction Line Liquid Line

Insulation

Thickness

RC 20/30/50 3/4 inch

(19.1 mm)

1/2 inch

(12.7 mm)

1/2”(13mm)

Suction Line

1/4” (7mm)

Liquid Line

RC 21/31/51

5/8 inch

(15.9 mm)

3/8 inch

(9.5 mm)

Caution

The 60-month compressor warranty (including the 36-

month labor replacement warranty) will not apply if

the Manitowoc Ice Machine and Manitowoc CVD

Condensing Unit are not installed according to

specifications. This warranty also will not apply if the

refrigeration system is modified with a condenser,

heat reclaim device, or other parts or assemblies not

manufactured by Manitowoc Ice, Inc.

Warning

Potential Personal Injury Situation

The ice machine head section contains the refrigerant

charge. Installation and brazing of the line sets must be

performed by a properly trained and EPA certified

refrigeration technician aware of the dangers of dealing

with refrigerant charged equipment.

Caution

Never add more than nameplate charge to the

refrigeration system for any application.

Warning

Installation of a QuietQube® Condensing Unit may require

the use of special equipment for placement. Trained and

qualified personnel are required for proper rigging and

lifting.

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