Manitowoc GR-0400A Manual

Manitowoc Equipment Works

Division of The Manitowoc Company, Inc. • 2110 South 26 Street, P.O. Box 1720, Manitowoc , WI 54221-1720 USA

Telephone 414-682-0161 • Fax - Sales: 414-683-7589 • Service/Parts: 414-683-7585 • Other: 414-683-7879

G-0400 REFRIGERANT FIELD

CONVERSION PROCEDURE

R-502 to R-402B

FOR MODELS

GR-0400A GR-0401W GR-0490N

GD-0402A GD-0403W GD-0492N

GY-0404A GD-0405W GY-0494N

WARNING!

Use only R-402B as

retrofit refrigerant. Other

replacement refrigerants

may cause poor performance

and/or component failure.

EQUIPMENT MODIFICATION REQUIREMENTS

Component Change Required

Compressor None (replacement compressor is precharged with POE oil)

Expansion Valve (TXV) None

High Pressure Cut-out None

Low Pressure Cut-out (Remotes) None

Fan Cycling Control (Air-cooled) None

All Solenoid Valves None

Water Regulating Valve (Water-cooled) None

Heat Exchanger None

Electrical Wiring None

Branch Circuit Fuse Size None

Air-cooled Condenser None

Water-cooled Condenser None

Evaporator None

SYSTEM PERFORMANCE AFTER CONVERSION

Daily Ice Production Energy Efficiency

G-0400 8% increase 5% increase

Operating discharge (high) pressure: air-cooled models will run 20-30 psig (138-207 kPa gauge)

higher than R-502 pressures published in service manuals. Set water-cooled head pressure the same

as R-502 settings.

Operating suction (low) pressure: will run 1-3 psig (7-21 kPa gauge) higher than R-502 pressure

published in service manuals.

8010513

Sheet 1 of 2

08/96

CONVERSION INSTRUCTIONS

1. Recover R-502 refrigerant from the ice machine in accordance with local and national governing laws.

2. Refer to “Equipment Modification Requirements” checklist on previous page.

3. Remove and replace liquid line filter drier. Use only Manitowoc approved OEM filter drier, P/N 8930233.

NOTE: compressor oil does not require changing.

4. Evacuate the ice machine. IMPORTANT: remote models require a 4-point hose hookup to evacuate

properly (refer to service manual or service bulletin, SB-18-84, for proper evacuation procedure).

5. Charge ice machine with R-402B refrigerant. System charge is identical to R-502 charge listed on

model/serial number tag. NOTE: charge with liquid only into the high side of the ice machine using

weigh-in method or “Dial-A-Charge” (refer to service manual or service bulletin, SB-18-84, for proper

charging procedure).

6. Remove purple R-502 label near service valves. Do not remove model and serial number tags!

7. Attach an R-402B conversion label, P/N 8134423, to each of the two locations:

A. Next to the serial number plate.

B. Next to the service valves.

IMPORTANT: write service company name and conversion date on each label.

8. Restart ice machine and verify it operates properly (refer to service manual, if necessary). Water-cooled

models maintain head pressure at the same R-502 setting.

8010513

Sheet 2 of 2

08/96

This manual suits for next models

Other Manitowoc Accessories manuals

Manitowoc

Manitowoc K00346 User manual

Manitowoc

Manitowoc K00333 User manual

Manitowoc

Manitowoc K00372 User manual

Manitowoc

Manitowoc MFD-50 Operating and safety instructions

Manitowoc

Manitowoc K00384 User manual

Manitowoc

Manitowoc K00343 User manual

Manitowoc

Manitowoc B-0320 User manual

Manitowoc

Manitowoc G-0200 User manual

Manitowoc

Manitowoc SD0672C User manual

Manitowoc

Manitowoc K00368 User manual

Manitowoc

Manitowoc K00014 User manual

Manitowoc

Manitowoc G-1700 User manual

Manitowoc

Manitowoc K00049 User manual

Manitowoc

Manitowoc K00119 User manual

Manitowoc

Manitowoc K00348 User manual

Manitowoc

Manitowoc Q210 series Operating and safety instructions

Manitowoc

Manitowoc 8930283 UK165S User manual

Manitowoc

Manitowoc CA200 User manual

Manitowoc

Manitowoc K00375 User manual

Manitowoc

Manitowoc K00370 User manual

Manitowoc

Manitowoc 7626803 User manual

Manitowoc

Manitowoc K00099 User manual

Manitowoc

Manitowoc 7625573 User manual

Manitowoc

Manitowoc QM45 Series Manual

Popular Accessories manuals by other brands

Hillco

Hillco 2810 Operator's manual

Siemens

Siemens QSA2700D Basic documentation

Contours

Contours ZY024 manual

Saivod

Saivod VS621 manual

Virtuox

Virtuox VirtuCLEAN 2.0 user manual

SCE

SCE ENVIRO-THERM SCE-TE170B24VSS user manual

Z-Wave

Z-Wave HSD-200Z user manual

turck

turck FMX-IM-2UPLI63FX quick start guide

Decagon Devices

Decagon Devices 10HS manual

UPPAbaby

UPPAbaby Cup Holder user manual

Elko

Elko SmartSensor Leakage Wireless manual

Grizzly

Grizzly H8371 instructions

Panasonic

Panasonic HG-T Series user manual

IFM Electronic

IFM Electronic Efector 250 Series Brief instructions

DigiDesign

DigiDesign 888/24 I/O installation guide

PROZIS

PROZIS QUAY user manual

patagonia

patagonia PSI Vest user manual

SFC Energy

SFC Energy EFOY GO! manual