Adding Refrigerant - Samsung RJ040F2HX Series Installation Manual

Hide thumbs Also See for RJ040F2HX Series:

Installation manual (37 pages)

Table Of Contents

Table of Contents

A C onnecting up and purging the circuit

RJ060F3HX ** /RJ070F4HX ** /RJ080F4HX **/ AJ068FCJ3 ** /

AJ070FCJ4 ** /AJ080FCJ4 **

1 Check the piping connections.

2 Connect the charging hose of low pressure side of manifold gauge to the

packed valve having a service port (5/8" Packed valve) as shown at the

figure (Value stem: 1/2" - 20UNF).

WARNING

Make the electrical connection and leave the system into "stand

by mode". Do not turn on the system! This is necessary for better

vacuum operation (full OPEN position of Electronic Expansion

Valve - EEV -).

3 Open the valve of the low pressure side of manifold gauge

counter clockwise.

4 Purge the air from the system using vacuum pump for about 30 minutes.

- Close the valve of the low pressure side of manifold gauge clockwise.

- Make sure that pressure gauge show -0.1MPa(-76cmHg) after about

30 minutes. This procedure is very important in order to avoid gas leak.

- Turn off the vacuum pump.

- Remove the hose of the low pressure side of manifold gauge.

5 Set valve cork of both liquid side and gas side of packed valve to the

open position.

6 Mount the valve stem nuts and the service port cap to the valve, and

7 Check for gas leakage.

- At this time, especially check for gas leakage from the 3-way valve's

stem nuts, and from the service port cap.