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Round hole number Relay number
CB1
:thermal cut-out
:thermal link, self-resetting
3KW/5KW HEAT KIT
Round hole number
RELAY 1
3(S)
1(L1) 2(L2)
TYPE A
L1
L2
TYPE B
Y/G
Circuit breaker number
NOTE2:
Please attach the nameplate to the cover of
the electric control box. All the round holes
located on the plate represent numbers. Please
refer to the Installation Manual for details.
NOTE1:
This symbol indicates the element is
optional, The wiring type of the actual
unit shall prevail.
NOTE3: TO BE WIRED IN ACCORDANCE WITH NEC
AND LOCAL CODES.
NOTE4: POWER A,B,C,D ARE DIFFERENT POWERS.
Y/G
RED
YELLOW
BLACK
3
24V
̚
Aux-Heat
control signal
5 ( '
RELAY1
RED
BLACK
BLACK
TO INDOOR UNIT
MAINBOARD
cn12
TO INDOOR UNIT
MAINBOARD
cn11
L1
L2
& %
3(S)
1(L1) 2(L2)
POWER A
5 ( '
% / $ & .
HTR1
/
/
&%
&%
7 & 2
7 /
POWER B
(green)
Y/G
Y/G
The wiring mode of power supply A shall be
based on the type of original wiring terminal of
AHU; for type A, S position must be connected
to the ourdoor S; for type B, S position shall not
be connected.
Electric auxiliary heating wiring diagram
Indoor Unit
Ins
tallation
Содержание 18K
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