Drummond MOV-90CN1-D Installation Manual - Page 12
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Drain pipe
Inspection panel
Bush
(inspection and sweep orifice)
(inspection and sweep orifice)
Main drain pipe
NOTE
Drain pipe trash gains easily at the drainage controller. Be sure
to install a stopper and a structure that cleans up trash easily.
Trial draining of the drain pipe
Open the side panel of the indoor unit, fill water inward, and
check whether the water can be drained smoothly. Check water
leak at the joint.
Heat insulation of drain pipe
After making sure that the water drains smoothly and no water is
leaked, use adiabatic wool bushes to preserve heat of the drain
pipe. Otherwise, condensate will occur.
8. ELECTRIC CONNECTION
CAUTION
Use special power supply for the air conditioner. Design power
supplies specific to the indoor unit and outdoor unit. The supply
voltage must comply with the nominal voltage.
The external supply circuit of the air conditioner must have a
ground wire, and the power supply ground wire of the indoor unit
must be connected with the external ground wire firmly.
The wiring must be performed by professional technicians
according to the circuit diagram labels.
Distribute the wires according to the relevant electric technical
standards promulgated by the State, and set the Residual
Current-operated Circuit Breaker (RCCB) properly.
The power wire and the signal wire shall be laid out neatly and
properly, without mutual interference or contacting the connec-
tion pipe or valve.
No power cable is attached to this equipment. The user can
select the power cable by reference to the stipulated power
supply specifications. No joint of wires is allowed.
Upon completion of wire connection, double check it and then
connect the power supply.
The appliance shall be installed in accordance with national
wiring regulations.
Inspection panel
Bush
Fig.7-1
Table 8-1
Indoor unit
MVA-90CWN1-V
Model
MVA-120CWN1-V
Power
220V 3N~ 60Hz
Switch capacity of the main
15/10
power suppliy/fuse(A)
Indoor unit power cable
RVV-300/500
includes grounded wire
2
3×2.5 mm
+1×1.0mm
Outdoor unit power cable
includes grounded wire
connective wire of
Outdoor unit 1:RVV-300/500 2×0.75 mm
indoor outside unit
Outdoor unit 2:RVV-300/500 2×0.75 mm
Wire controls
RVVP-300/300 5×0.75 mm
connective wire
Power supply
L1 L2 L3
To connect with wire controller and outdoor units
R
C
G
Y1
Y2
To outdoor units
To wire controller
Indoor unit
Y1' C
Y2' C
24V ~
24V~
outdoor unit
outdoor unit
Indoor unit have evaporator temperature protection switch,
when the evaporator temperature <4
until the temperature >7
Outdoor unit
MOV-90CN1-D
MOV-120CN1-D
208-230V 3N~ 60Hz
2
2
2
2
Y1'
C
Y2'
C
Wire Controller
outdoor unit will stop.
the outdoor unit will recover.
Installation Manual
11