11
0.75mm
²
for input and output of dry contact gateway.
5.4 Wiring instruction
5.4.1 Communication and power cord connection
Connect one end of wiring (4-core wire) to the COM1 needle stand of dry
contact gateway and then connect the other end to the 4-core COM1 or COM2
needle stand of the indoor unit.
5.4.2 Connection of input dry contact
Connect two terminals of each group of input dry contact to the both ends of
switch respectively. Single control switch is suggested for the level input method, and
touch switch is recommended for impulse input method.
5.4.3 Connection of output dry contact
Connect the two terminals of each group output to the load respectively. The
requirement for the allowable connected load:
(1) Weak current
:
12~24VDC(100mA
~
500mA).
(2) Strong current
:
200~240VAC(100mA
~
3A).