Wiring Connection - Toshiba RAS-10SK-E x2 Service Manual

• Connect the refrigerant piping to the outdoor unit
as following figure.
• 2 packed valves in the bottom side are for the in-
door unit A and 2 packed valves in the upper side
are for the indoor unit B.
Service
cap
connection
Fig. 8-5-6
CAUTION
• Never carry out an air purge which utilizes
the refrigerant of the unit. It will result in
damage.
Always use a vacuum pump to evacuate air
from connecting pipes.
• KEEP IMPORTANT 4 POINTS FOR INSTAL-
LATION (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)
Evacuate the air for each indoor unit A and B.
<Packed Valve Handling Precautions>
• Open the valve stem all the way out; so not try to
• Securely tighten the valve stem cap with the wrench
• Valve stem cap tightening torque is as follows;
Electric parts
<A5 mm hexagon wrench is required.>
cover
Refrigerant piping
unit B
Refrigerant piping
unit A

8-5-3. Wiring Connection

• Perform wiring work so as to allow a generous wir-
(1) The supply voltage must be the same as the rated
(2) Prepare the power source for each unit.
Connect-
ing cable
Power cord
(outdoor
unit)
– 30 –
open it beyond the stopper.
or like.
Gas pipes side (ø9.52) : 29.4 N•m (3.0 kgf•m)
Liquid pipe side (ø6.35) : 16.2 N•m (1.7 kgf•m)
Power cord
Indoor unit
A
Outdoor unit
Power cord
Fig. 8-5-7
ing capaciry.
voltage of the air conditioner.
Maximum
Power source running
current
—
50 Hz
220/230/240V~
Single-Phase
CAUTION
• Use power specified above table.
• Use with the power source connected to
each unit separately with a special circuit
set up for each.
• Do not get the wires and the pipes connect-
ing the indoor unit and outdoor unit mixed
up.
Power cord
Indoor unit
B
Connecting
cable
Fuse or
breaker
Fuse Starting
Wiring
rating current
2
0.75mm
1 A —
or more
1.5mm 2
or more
13 A 15 A
—
32 A