49
MAESTRO PRO INVERTER
Remove the nippers and restore the pipe at the throttling point in
order to proceed with the discharge/charge of the gas.
Connect the pressure gauge (digital vacuum gauge for
evacuating refrigeration systems and heat pumps) (9) and the
recovery unit (10) for recall and recovery of the gas.
Wait until the circuit is empty (pressure gauge at zero) before
working on the components of the refrigerant circuit.
10
9
Once the coolant charging/discharging operations have been
completed, restore the hermetic seal of the circuit
:
- recreate the restriction on the charging tube
- remove the filling valve with the tube
- seal the end of the coolant charge pipe with welding
9.21 Outdoor Coil Removal
Remove the body (ref. “9.2 Removing the body” on page 39).
Remove the front cover (ref. “9.3 Removing the front cover” on
page 40).
Remove the backrest (ref. “9.4 Removing the backrest” on page
41).
Remove the
outdoor
fan (ref. "9.5 Removing the
outdoor
fan" on
page 41).
Remove the pump - sensors - obturator unit (ref. “9.15 Removing
the pump - sensors - obturator unit” on page 45). Discharge the
coolant circuit from the gas (ref. “9.20 Charging/uncharging the
coolant
” on page 4
8).
Remove the insulation from the pipes (if present)
Place a guard (1) to protect the appliance and proceed with the
desoldering of the pipes in the points
(A)(B).
A
B
1
Remove the screws (3) and keep the whole evaporator unit (4)
slightly raised.
Push the condens
er
battery
(2) slightly forward and gently
remove it, sliding it in the direction of installation (oblique).
NOTE: Be careful not to force too much and damage the pipes.
4
3
2
NOTE: in case of flattened fins, use the appropriate comb to
restore them.