Mitsubishi Electric MXZ-2C20NA2, Руководство по установке

Страница: 7 / 24

En-6
-2. GAS CHARGE
Perform gas charge to unit.
1) Connect gas cylinder to the ser
Y ice port of stop Y al Y e.
2) Perform air purge of the pipe (or hose) coming from refrigerant gas cylinder.
3) Replenish speci
¿ ed amount of the refrigerant, while operating the air conditioner for cooling.
Note:
In case of adding refrigerant, comply with the quantity speci ¿ ed for the refrigerating cycle.
CAUTION:
When charging the refrigerant system with additional refrigerant, be sure to use liquid refrigerant.
Adding gas refrigerant may change the composition of the refrigerant in the system and affect
normal operation of the air conditioner. Also, charge the liquid refrigerant slowly, otherwise the
compressor will be loc
N ed.
To maintain the high pressure of the gas cylinder, warm the gas cylinder with warm water (under
104
ƒ F (40 ƒ C)) during cold season. But ne Y er use na N ed ¿ re or steam.
Union
Stop Y al Y e
Liquid
pipe
Indoor
unit
Stop Y al Y e with
ser Y ice port
* as
pipe
Refrigerant gas
cylinder
operating Y al Y e
(for R410A)
* auge manifold
Y al Y e (for R410A)
Charge hose
(for R410A)
Refrigerant gas cylinder for R410A with siphon
Electronic scale for refrigerant charging
Refrigerant (liquid)
Outdoor
unit
Union
Union
Union
Model Indoor unit
MXZ-2C20NA2
A
–
B
-3. REMOVING THE MAINTENANCE PANEL
The setting of Dip Switch on the outdoor controller board can be changed
without remo
Y ing the front panel.
Follow the procedures below to remo Y e the maintenance panel and set
the Dip Switch.
1) Remo Y e screw(s) which ¿ x the maintenance panel.
2) Remo Y e the maintenance panel, and perform necessary settings.
3) Install the maintenance panel.
Note:
Ma N e sure to ¿ x the maintenance panel securely. Incomplete installation
could cause malfunction.
Maintenance panel