Toshiba RAV-GM 801UT-E Service Manual page 112

No. Part name
1. Detachment (Control P.C. board)
Electrical
part
(Control
P.C. board )
Do not disassemble the inverter for a minute after the
power is turned off since there is a risk of electric shock.
4-way
Procedure
1) Following to work of Detachment of
WARNING
*1.Ensure to bundle again with a commercially available
code clamp
*2.Ensure to fix the clamp
filter where it was removed
when reassembling the
inverter.
2) Remove the inverter box and inverter cover fixing
screw (Upper side).
3) Loose the inverter box and inverter cover fixing screw
(Lower side).
4) Cut the binding band A1 bundling the fan motor lead,
compressor case thermolead, 4-way valve coil lead
and reactor lead. (one position)
5) Cut the binding band A2 bundling the compressor lead,
compressor case thermolead, 4-way valve coil lead
and fan motor. (one position)
6) Remove the clamp filter from the reactor lead B1 and
P.C. board lead.
[Detail.A]
Clamp filter
(Example 1)
Reactor lead B1
Board lead wire
Reactor lead B2
7) Remove the reactor lead B1 and the reactor lead B2
from control P.C. board.
8) Cut the binding band A3 fixing compressor lead and
inverter box.
9) Remove the connector connecting to the control P.C.
board.
(Temperature sensor, PMV coil, 4-way valve coil,
Compressor case thermostat, Pressure switch, Fan
motor. LED indicator board)
10) Remove the connector of the compressor lead.
∗ Release the lock on the housing part to remove the
connector
11) Remove the earth wire connecting to the control
board.
(ST3T Ø4×8 :1 pcs)
12) Remove supply wire (Red (L), White (N)) or indoor
supply wire from each P.C. board
13) Remove the duct cover.
(ST3TØ4×8 2 pcs)
.
Example 1
Inverter box and Inverter box and Inverter box and
Inverter cover Inverter cover Inverter cover
fixing screw fixing screw fixing screw
Example 2
Fan motor lead
(Upper)
Reactor Reactor Reactor
lead lead lead
Fan motor Fan motor Fan motor
lead (Lower) lead (Lower) lead (Lower)
Clamp filter Clamp filter Clamp filter
Duct cover Duct cover Duct cover
Binding band A2, A3
[Detail. B]
Inverter box Inverter box Inverter box
– 112 –
Remarks
Inverter cover Inverter cover Inverter cover
LED indicator P.C. board
Temperature sensor (× 5)
Compressor case Compressor case Compressor case
thermostat thermostat thermostat
[Detail A]
[Detail A] [Detail A]
Indoor supply Indoor supply Indoor supply
wire wire wire
Binding band A1
Compressor
lead connector
Binding band A3
Binding band A2
Inverter box
Pressure Pressure Pressure
switch switch switch
PMV coil PMV coil PMV coil
4-way 4-way 4-way
valve coil valve coil valve coil
Earth wire Earth wire Earth wire
Supply wire Supply wire Supply wire