Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Service Manual download pdf (Page 64)

Repair Section

9.4 Refrigerant Charging Work

(1) Refrigerant charging

1) Remove the charging hose (green) from the

vacuum pump, and connect it to the refrigerant

cylinder

(R-410A).

2) Loosen the nut on the gauge manifold side of the

charging hose (green). Open the valve of the

refrigerant cylinder. After air purging, tighten this

nut and close the valve of the refrigerant cylinder.

3) Securely place the refrigerant cylinder on a scale

with a weighing capacity of 70 lb (30 kg) that is

graduated by 0.2 oz (5 g).

4) Open the high pressure valve of the gauge

manifold and the valve of the refrigerant cylinder.

Charge the system with refrigerant to the

specified amount.

Standard Amount of Refrigerant: 3.97 lb

(1.80 kg)

CAUTION

The amount of refrigerant charged has a great

effect on the cooling capacity of the unit.

Charge to the specified amount, always

observing the scale graduations while

charging.

5) Close the high pressure valve of the gauge

manifold and the valve of the refrigerant cylinder.

I001901

Open The Valve

of Refrigerant

Cylinder

To Process Tube Fitting

Charging Hose

(Green)

Refrigerant

Cylinder R-410A

Red

Closed

Valve Setting

Air Purging

I001903

Closed

Open

Closed

Refrigerant

Cylinder R-410A

Valve Setting

Specified Amount

of Refrigerant

High Pressure Valve

High Pressure

Side Tube

Process Tube Fitting

Valve of

Refrigerant

Cylinder

Weight

1 2 ... 59 60 61 62 63 64 65 66 67 68 69

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Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Service Manual Page 64

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