Samsung MC26AC2X Service Manual download pdf (Page 18)

R410A

Suspension hook

High

pressure

gauge

Hand

wheel

Finger tight

fittings

Connected to

high pressure

side

Vacuum

pump

For mounting

other end of

hose when

not in use

INDOOR

A-UNIT

INDOOR

B-UNIT

INDOOR

C-UNIT

Compound

gauge

Operating Instructions and Installation

3-11Samsung Electronics

3-2-2(g) Refrigerant Refill

• Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using.

1. Vacuum system with pump (for new

installation, leakage).

3. Connect the tank to refill with Refrigerant

4. Set the unit to Low pressure checking mode.

* Press the ON/OFF switch for 5 second.

* All lamps blink on the indoor unit.

7. Stop operation of the air conditioner.

9. Close the cap of each valve.

2. Turn the 3-way valve clockwise to close,

connect the pressure gauge(low pressure

side) to the service valve, and open the

3-way valve again.

5. Check the pressure indicated by the

pressure gauge(low pressure side).

* Refer to Low pressure graph.

6. Open the refrigerant tank and fill with refrig-

erant until the rated pressure is reached.

* It is recommended not to pour the refriger-

ant in too quickly, but gradually while

operating a pressure valve.

8. Close the 3-way valve, disconnect the

pressure gauge, and open the 3-way valve

again.

DB98_11868A(1)_1 3/3/03 11:17 AM Page 2-15

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Samsung MC26AC2X Service Manual Page 18

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