Page 29
: thermal cut-out
: thermal link, self-resetting
25KW HEAT KIT
Round hole number
Relay number
RELAY 1
RELAY 2
Relay number
RELAY 1
RELAY 2
CB3
Round hole number
RELAY 3
CB2
RELAY 4
RELAY 5
CB1
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
3(S)
RED
1(L1) 2(L2)
YELLOW
BLACK
3
RED
BLACK
BLACK
BLACK
BLACK
RELAY5
0
4
BLACK
BLACK
BLACK
RED
RED
RED
RED
RED
RED
BLACK
BLUE
RED
RELAY3
RELAY4
RELAY2
RELAY1
Aux-Heat
control signal
0
4
8
0
24V
̚
7 2, 1 ' 2 2 58 1 , 7
0 $ , 1 % 2 $ 5 '
& 1
7 2, 1 ' 2 2 58 1 , 7
0 $ , 1 % 2 $ 5 '
& 1
BLACK
BLACK
RED
RED
RED
BLACK
8
BLACK
BLACK
L1
L2
&%
/
/
&%
&%
L1
L2
&%
/
/
&%
&%
L1
L2
&%
/
/
&%
&%
RED
BLACK
HTR5
7 & 2
7 /
RED
BLACK
HTR4
7 & 2
7 /
RED
BLACK
HTR3
7 & 2
7 /
HTR1
7 & 2
7 /
HTR2
7 & 2
7 /
POWER A
POWER B
POWER C
POWER D
Y/G
(green)
Y/G
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.
Indoor Unit
Ins
tallation
Summary of Contents for 18K
Page 54: ......