4
A
Water volume limitation [L]
B
Total hardness [mg/L]
C
Available water volume area
7.2
7.4
[Fig. 7.2.1]
[Fig. 7.4.1]
[Fig. 7.4.2]
[Fig. 7.4.3]
0
100
200
300
400
500
0
10
20
30
40
50
60
70
B
B
A
A
0
500
1000
1500
2000
2500
3000
0
10
20
30
40
50
60
70
PWFY-P100VM-E-BU
PWFY-P140VM-E1/E2-AU
C
C
[Fig. 7.1.5]
A
B
A
Heat insulation material (accessory)
B
Inject with caulking material
IN1
TB142A
×
×
Board
TB141A OUT1
AC208 - 230V
or
DC30V or less
52P or 72P
52P or 72P
51P or 71P
A
E
F
D
C
B
A
Fuse
B
Coil of the magnetic contactor for heat source water
pump
C
Double pole contact of the magnetic contactor for heat
source water pump
D
Circuit breaker
E
Water pump
F
Bimetal break contact
Board
TB141A OUT1
TB1
TB2
PWFY
WP
1 2 3
L N
L N
Solenoid
valve kit
F
52
P
AC220V ~ 240V
N
L
52P
MCB
AC220V ~ 240V
DC30V or less
or
F: Fuze
MCB: Circuit breaker
52P: Magnetic contactor for heat source water pump
WP: Water pump
WT07507X01.book 4 ページ ２０１４年１２月１７日 水曜日 午前９時３６分
