Toshiba RAV-104SBH-PE Service Manual page 98

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NO. ITEM
Low ambient cooling
12
Check display
13
Anti-restart timer
14
Group operation
15
control
Tel: 01823 665660
7. OUTLINE OF CONTROL CIRCUIT
OUTLINE OF SPECIFICATION
12-1 Control of the
Outdoor Unit fan is made
to meet with cooling
demand at low outdoor
temperatures. It is based
on the outdoor heat
exchanger temperature,
TL.
12-2 Control by outdoor
heat exchanger
temperature TL is
illustrated on the right.
12-3 For first 30 seconds
after starting cooling
operation, the fan(s)
operate on "High" speed.
Outdoor Fan Control
A Zone Maximum
B Zone Per 20 seconds + 1 wave
C Zone Maintain
D Zone Per 20 seconds – 1 wave
E Zone Minimum
Fault diagnosis is carried out by pressing the [CHECK]
key on the remote controller. The check code is shown on
the LCD display.
Indoor Unit
number
1st fault
Refer to fault code section (6.4) of this manual for more details.
The Outdoor Unit delays restarting for 2 mins 30s to
prevent short cycling of the compressor.
Up to 16 units can be controlled in same setting condition
by one remote controller.
However, thermo-control function is independent.
Respective delayed start time for preventing simultaneous
large starting currents is obtained by the setting of the unit
No. switch on the indoor PCB. Refer to section 11.
98
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(°C)
A
54
B
40
C
35
D
20
E
Outdoor Coil (TL)
Air Quantity
Check code Unit number
2nd fault
Fax: 01823 665807
REMARKS
<Outdoor Unit
control>