Toshiba RAS-077SKV-E7 Service Manual page 58

CAUTION
•
KEEP IMPORTANT 5 POINTS FOR PIPING WORK
(1) Take away dust and moisture (Inside of the
connecting pipes.)
(2) Tight connection (between pipes and unit)
(3) Evacuate the air in the connecting pipes using
VACUUM PUMP.
(4) Check gas leak (connected points)
(5) Be save to fully open the packed valves
before operation.
<Packed valve handling precautions>
• Open the valve stem all the way out, but do not try
to open it beyond the stopper.
Pipe size of Packed Valve
12.70 mm and smallers
15.88 mm
• Securely tighten the valve cap with torque in the
following table
Cap Cap Size (H)
H17 - H19
Valve Rod
Cap
H22 - H30
H14
Service
Port Cap
H17
Hexagon wrench
is required.
CAUTION
Service Port Cap
Valve Rod Cap
10-4-5. 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
Size of Hexagon wrench
A = 4 mm
A = 5 mm
Torque
14~18 N.m
(1.4 to 1.8 kgf·m)
33~42 N.m
(3.3 to 4.2 kgf·m)
8~12 N.m
(0.8 to 1.2 kgf·m)
14~18 N.m
(1.4 to 1.8 kgf·m)
A
H
Fig. 10-4-9
<Stripping length of connection cable>
Terminal block
Connecting cable
Connecting cable
Model
Power source
Maximum
running current
Installation fuse
rating
Power cord
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 circuit breaker must.
be used specified 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: H07RN-F or 60245 IEC66
(1.5 mm
.
– –
57
FILE NO. SVM-15004
Power cord
Earth line
Earth line
Power cord
Fig. 10-4-10
RAS-077,107
137SKV Series
50Hz, 220-240V Single phase
60Hz, 220-230V Single phase
8A
10A
H07RN-F or 60245 IEC66 (1.5 mm
or more)
or more)
2
2