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8.9
Relay circuit
The relay circuit consists of the diagram below.
The relay performs the following functions:
RY1:
Turning fan on and off
RY2:
Changing over H/M of fan
RY3:
L tap of fan
RY7:
Turning compressor on and off
RY11: Turning louver on and off
RY14: Drain Pump
8.10 Switch circuit
Unit No. is changed over by the rotary switch U .
TA shift is set in factory with unit No. at "1".
In case of operating one single unit, unit No. "1" will
do. With the operation of many units (multi units
control) the unit No. should be adjusted in such a
way as 1, 2, 3 .........
This is factory set to position "1".
Crain Pump
CN10
BLU
MOLEX-3
Louver
Output
CN08
RED
MOLEX-2
Heater
Fan Control Output
CN09
WHI
MOLEX-2
CN07
BLU
MOLEX-5
CN03
WHI
MOLEX-4
Model Change
To CPU
To CPU
U
Unit Number
Heronhill - for all your Toshiba requirements
Tel: 01823 665660
www.heronhill.co.uk
Fax: 01823 665807
