Adding Refrigerant - Vivax ACP-09CH25ZNM Service Manual

INSTALLATION
6

Adding refrigerant

If the connecting pipe is longer than 7 metres, add refrigerant as needed. (Cool only type) added
amount A=(Lm-7m) 15g/m ; (Heat pump type)added amount A= (Lm-7m)
of added refrigerant, L: the length of connecting pipe)
The length of connecting pipe (m)
(Cool only type)added amount (g)
(Heat pump type)added amount (g)
Exhaust the air as the above-mentioned method.
Screw the gas shut-off valve to close, connect
charging hose(low pressure) to the service valve
and then open gas shut-off valve again.
Set the unit to cool operation mode.
Connect the refrigerant bottle to the charging hose
and then convert it.
Fill in liquid refrigerant as the above table.
Stop operation of the air conditioner.
Disconnect the manifold gauge after turning off the
shut-off valve, and then open gas shut-off valve again.
Tighten nuts and caps of each
7
Relocation of the air conditioner.
Refer to this procedure when the unit is relocated.
1. Carry out the pump down procedure.
2. Remove the power cord.
3. Disconnect the assembly cable from the indoor and outdoor units.
4. Remove the flare nut connecting the indoor unit and the pipe.
At this time, cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign
material entering.
5. Disconnect the pipe connected to the outdoor unit.
6. Make sure you do not bend the connection pipes in the middle and store together with the cables.
7. Move the indoor and outdoor units to a new location.
8. Remove the mounting plate for the indoor unit and move it to a new location.
7
0
0
valve.
10
50g/m.
8 9
15 30
50 100
Manifold gauge
Low pressure
valve
Service port
( A: amount
10
45
150
Pressure meter
High pressure
valve
Charging line