8
10.0
[Fig. 10.0.3]
<A> Model 250
10
A
Heat exchanger (liquid pipe)
B
Heat exchanger
(gas pipe)
C
Drain pan
A
Heat exchanger (liquid pipe)
B
Heat exchanger
(gas pipe)
C
Drain pan
F
Unbraze these sections (2 places on
the liquid pipe/upper part of the strainer)
D
Unbraze this section
(1 place on the liquid pipe/
upper part of the strainer)
E
Unbraze these sections
(2 places on the gas pipe/
expanded part)
E
Unbraze these sections
(2 places on the gas pipe/
expanded part)
<B> Model 500
[Fig. 10.0.4]
<A> Model 250
Top
Bottom
E
Bottom section of the unit
H
Top section of the unit
E
Bottom section of the unit
H
Top section of the unit
Bottom
Bottom
Bottom
Top
Top
Top
A
Control box
B
Motor
A
Control box
B
Motor
C
Fan
D
Supporting
wood piece
D
Supporting
wood piece
F
Heat exchanger
G
Piping side
F
Heat exchanger
G
Piping side
C
Fan
<B> Model 500
[Fig. 10.0.5]
<A> Model 250
No. 1 board
G
Connector location on the board
A
CN60
B
CN31
C
CN20
D
CN21
E
CN29
F
CN22
G
Connector location on the board
J
Connector location on the adapter board
No. 1 board
B
CN31
C
CN20
D
CN21
E
CN29
*Same with the No. 2 board
H
LEV2B
I
LEV2A
<B> Model 500
Board No.
No.1
Connector
CN31
CN20
CN21
CN29
CN60
Table 1
Wire
mark
1
S1
E1
G1
V1
Connector
color
White
Red
White
Black
White
No. of
pins
3
2
2
2
6
Parts name
Float switch
Inlet thermistor
Liquid pipe thermistor
Gas pipe thermistor
Linear expansion valve
Board No.
No.1
No.2
Connector
CN31
CN20
CN21
CN29
LEV2A
CN31
CN20
CN21
CN29
LEV2B
Table 1
Wire
mark
1
S1
E1
G1
V1
2
S2
E2
G2
V2
Connector
color
White
Red
White
Black
White
White
Red
White
Black
White
No. of
pins
3
2
2
2
6
3
2
2
2
6
Parts name
Float switch
Inlet thermistor
Liquid pipe thermistor
Gas pipe thermistor
Linear expansion valve
Float switch
Inlet thermistor
Liquid pipe thermistor
Gas pipe thermistor
Linear expansion valve
