Hoshizaki KMH-2000SWH/3 User Manual download pdf (Page 21)

6) Evacuate through the Schrader access ports on the Parker quick connect couplings

and charge with R-404A refrigerant vapor to a pressure of 15 to 30 PSIG.

7) Connect the refrigerant lines to the appropriate male ttings on the remote condenser

unit rst and then at the icemaker. Make a proper connection as follows:

a. Remove the protective covers from the male tting and female coupling.

b. Apply Polyol Ester (POE) refrigerant oil or Parker Super O Lube to the entire male

tting, including O-ring, diaphragm, and threads, before making the connection.

See Fig. 12.

CAUTION

Do not use thread sealant on the ttings. Use POE refrigerant oil or Parker

Super O Lube only.

c. Make sure the male tting and female coupling are properly aligned, then start the

connection by hand to ensure that it is not cross threaded.

d. Tighten the connection with a wrench until it is tight. At this point, the nut has

covered most of the threads on the male tting.

e. Mark a reference line on the female coupling and the remote condenser unit or

icemaker panel. Using a backup wrench on the back of the female coupling, tighten

the six-sided nut of the female coupling an additional 1/6 turn. See Fig. 13.

8) If the line set exceeds 66 feet, see "II.G.5 Refrigerant Charge (Line Set Exceeding

66 Feet)" for proper charging of the unit.

Fig. 12

Fig. 11

Female Coupling

5/8" OD Discharge Line

(Insulated)

Remote Condenser Unit

3/8" OD Liquid Line

(Insulated)

Icemaker

Male Fitting

Service Loop

Apply POE Oil or

Parker Super O Lube

to Entire Male Fitting

THREAD

SEALANT

Threads

Diaphragm

O-Ring

Brush

Male Fitting

DO NOT USE

THREAD SEALANT

POLYOL

ESTER

(POE) OIL

PARKER

SUPER

O LUBE

Fig. 13

Backup

Wrench

Reference

Line

1/6

Turn

Wrench

After Tight, Tighten an

Additional 1/6 Turn

Backup

Wrench

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 34 35

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Hoshizaki KMH-2000SWH/3 User Manual Page 21

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