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25KW HEAT KIT
: thermal cut-out
: thermal link, self-resetting
0
RELAY5
RED
BLACK
0
RELAY4
RED
BLACK
0
RELAY3
BLACK
RELAY1
Aux-Heat
RED
BLACK
BLACK
control signal
24V
BLUE
RED
RELAY2
BLACK
3
1(L1) 2(L2)
POWER A
:
NOTE1
This symbol indicates the element is
optional, The wiring type of the actual
unit shall prevail.
Round hole number
Round hole number
Relay number
Relay number
RELAY 1
RELAY 1
RELAY 2
RELAY 2
RELAY 3
RELAY 4
RELAY 5
RED
8
BLACK
4
RED
8
BLACK
4
RED
BLACK
RED
RED
BLACK
RED
BLACK
RED
RED
RED
(green)
3(S)
L2
Y/G
L1
Y/G
POWER B
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.
Circuit breaker number
CB1
CB2
CB3
HTR5
BLACK
RED
HTR4
BLACK
HTR3
BLACK
HTR1
HTR2
BLACK
BLACK
L1
Y/G
POWER C
NOTE3: TO BE WIRED IN ACCORDANCE
WITH NEC AND LOCAL CODES.
NOTE4: POWER A,B,C,D ARE DIFFERENT
POWERS.
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.
1(L1) 2(L2)
3(S)
Y/G
TYPE A
L2
L2
L1
Y/G
POWER D
Y/G
L1
L2
TYPE B
Page 29
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