Wiring Diagram - Toshiba RAV-SM304SDT-E Installation Manual

 Wire connection
REQUIREMENT
• Connect the wires matching the terminal numbers. Incorrect connection causes.
• Pass the wires through the bushing of wiring connection port of the indoor unit.
• Keep a margin (Approx. 100mm) on a wire to hang down the electrical control box at servicing, or other purpose.
• The low-voltage circuit is provided for the remote controller. (Do not connect the high-voltage circuit)
• Before remove the electric parts cover, remove the cover plate and air filter.
• Remove the cover of the electrical control box by taking off the mounting screws (2 positions) and pushing the hooking
section. (The cover of the electrical control box remains hanged to the hinge.)
• Tighten the screws of the terminal block, and fix the wires with cord attached to the electrical control box.
(Do not apply tension to the connecting section of the terminal block.)
• Set a loop for the connecting wire of the storing part of the indoor unit electric parts; otherwise the electrical control box cannot
be drawn out in service time.
• Mount the cover of the electrical control box without pinching wires.
Screw
(2 positions)
Cover plate
Power supply
terminal block
Earth
Cord clamp
75-EN
AMP Air Conditioning
Electrical control
box
Electrical control
box cover
Air filter
Remote controller
Side D (Space: 8.5mm)
terminal block
Side C (Space: 4mm)
Select side C or D for the power cable
clamping position referring to the following
table according to the cable type and
diameter.
* Cable clamp can be attached on either
right or left side.
When twin system are connected, clamp two
cables with one cable clamp.
Wire Cable clamping
Specification
type position
Cabtyre 4-core stranded
Side D
cable wire 2.5mm²
Cabtyre 4-core stranded
Side C
cable wire 1.5mm²
 Wiring
1
Remove a screw and then remove cover of the
electrical control box.
2
Strip wire ends (10 mm).
3
Match wire colours with terminal numbers on indoor
and outdoor units' terminal blocks and firmly screw
wires to the corresponding terminals.
4
Connect the ground wires to the corresponding
terminals.
5
Fix the wire with cord clamp.
6
Fix cover of the parts box and the terminal block
surely with the fixing screws.
Make a loop on the wire for margin of the length so that
the electrical control box can be taken out during
servicing.
N
L
10 1 2 3
10
70
50
Earth wire
Connecting wire
▼ Single system
Remote controller
Remote controller
wiring
A B
Indoor side
1 2 3
System
interconnecting
wires
1 2 3
Outdoor side
L N
220-240V~
▼ Synchronous twin system
Remote controller
Remote controller
inter-unit wiring
Remote controller
wiring
A B
Indoor
Indoor side
side
1 2 3
System
interconnecting
Indoor power
wires
1 2 3
inter-unit wiring
Outdoor side
L N
220-240V~
* For details of wiring/installation of the remote controller,
refer to the Installation Manual enclosed to in the remote
controller.
– 38 –
 Remote Controller Wiring
• Strip off approx. 9 mm the wire to be connected.
• Non polarity, 2 core wire is used for wiring of the remote
controller. (0.5 mm² to 2.0 mm² wires)

◆ Wiring diagram

Terminal block for
remote controller
wiring of indoor unit
A
B
Remote controller wire
(Locally procured)
A B
1 2 3
www.ampair.co.uk | sales@ampair.co.uk
Terminal block
Remote
A
controller
B
unit
76-EN