Wiring Connection; Electrical Work - Toshiba RAS-18N3KV2-E Service Manual

Compound pressure gauge
-101 kPa (-76 cmHg)
Handle Lo
Charge hose
(For R410A only)
Connecting pipe
Packed valve at gas side
Service port
(Valve core (Setting pin))
Packed valve at liquid side
Fig. 10-4-7
CAUTION
•
KEEP IMPORTANT 5 POINTS FOR PIPING WORK
(1) Take away dust and moisture (Inside of the
connecting pipes.)
(2) Tight the connection (between pipes and unit)
(3) Evacuate the air in the connecting pipes using
a VACUUM PUMP.
(4) Check gas leak (connected points)
(5) Be sure 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.
• 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
Pressure gauge
Manifold valve
Handle Hi
(Keep full closed)
Charge hose
(For R410A only)
Vacuum pump
adapter for
counter-flow
prevention
(For R410A only)
Vacuum
pump
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)
–
61
Service Port Cap
Fig. 10-4-8

10-4-5. Wiring connection

1. Remove the valve cover, the electric parts cover
and the cord clamp from the oudoor unit.
2. Connect the connecting cable to the terminal as
identified by the matching numbers on the terminal
block of indoor and outdoor unit.
3. Insert the power cord and the connecting cable
carefully into the terminal block and secure it tightly
with screws.
4. Use vinyl tape, etc. to insulate the cords which are
no going to be used.
Locate them so that they do not touch any electrical
or metal parts.
5. Secure the power cord and the connecting cable
with the cord clamp.
6. Attach the electric parts cover and the valve cover
on the outdoor unit.

10-4-6. Electrical Work

1. The supply voltage must be the same as the rated
voltage of the air conditioner.
2. Prepare the power source for exclusive use with the
air conditioner.
NOTE
• Wire type : More than H07RN-F or 60245 IEC66
(1.5 mm
–
FILE NO. SVM-12056
Hexagon wrench
is required.
A
H
Valve Rod Cap
2
or more)