Carrier 42NQV009E Service Manual page 48

<Packed valve handling precautions>
Open the valve stem all the way out; but do not try
to open it beyond the stopper.
Securely tighten the valve stem cap with torque in
the following table:
Gas side
(∅9.52 mm)
Liquid side
(∅6.35 mm)
Service port
Fig. 9-3-8
9-3-4. Wiring connection
1. Remove the valve cover from the outdoor unit.
2. Connect the connecting cable to the terminal as
identified with their respective matched numbers on
the terminal block of indoor and outdoor unit.
3. When connecting the connecting cable to the
outdoor unit terminal, make a loop as shown in the
installation diagram of indoor and outdoor unit, to
prevent water coming in the outdoor unit.
4. Insulate the unused cords (conductors) from any
water coming in the outdoor unit. Proceed them so
that they do not touch any electrical or metal parts.
30 to 42 N·m
(3.0 to 4.2 kgf·m)
16 to 18 N·m
(1.6 to 1.8 kgf·m)
9 to 10 N·m
(0.9 to 1.0 kgf·m)
Hexagonal wrench
is required.
– 47 –
<Stripping length of connection cable>
Terminal block
Connecting cable
1 2 3
40
30
Earth line
Connecting cable
Fig. 9-3-9
Model 42NQV009E / 42NQV012E
Power source 50 Hz, 220 – 240 V~ Single phase
Maximum
running current
Installation fuse
rating
H07RN-F or 245 IEC66 (1.5 mm
Power cord
or more)
CAUTION
• Wrong wiring connection may cause some
electrical parts burn out.
• Be sure to comply with local codes on running
the wire from indoor unit to outdoor unit (size of
wire and wiring method etc).
• Every wire must be connected firmly.
• This installation fuse (25A
be used for the power supply line of this air
conditioner.
If incorrect or incomplete wiring is carried out, it
will cause an ignition or smoke.
Prepare the power supply for exclusive use with
the air conditioner.
This product can be connected to the mains.
Connection to fixed wiring: A switch which
disconnects all poles and has a contact
separation of at least 3 mm must be incorporated
in the fixed wiring.
NOTE: Connecting cable
• Wire type: More than H07RN-F or 245 IEC66
(1.0 mm or more)
2
FILE NO. SVM-07018
Power cord
L N
40
30
Earth line
Power cord
8A
25A
2
) must