7
Schematic Diagram
4
.2 Printed Circuit Board
TOP VIEW
fan control terminal
power zero line terminal
water pump control terminal
terminal which is used for
communicate with outdoor unit
output terminal 2
of transformer
indoor ambient
temperature
sensor terminal
mid tube temperature
sensor terminal
output tube
temperature
sensor terminal
input tube
temperature
sensor terminal
terminal used
for connecting
the wire controller
piezoresistor
relay
protective tube
input terminal of
transformer
input terminal 1
of transformer
input terminal
of live line on
control board
terminal used for connecting the display
board for cassette type unit
terminal 1 and 2 used for connecting
the display board for floor ceiling unit
jumper cap
water level inspection terminal
of cassette unit
swing motor terminal of
floor ceiling unit
swing motor terminal of
cassette unit
terminal 1 used for connecting
display board for floor standing
unit
reserved heating control
relay