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7. Electrical installation
Installer reference guide / Mono tank integrated type
114
Additional pump (B7/B8)
• When connecting the additional pump, a relays must be used, in order to prevent electrical damage to the PCB by over
current. This terminal is rated for 0.5A maximum allowable current only.
B2
B6
B10
B14
B18
B22
B4
B8
B12
B16
B20
B24 B26
B1
B5
B9
B13
B17
B21
B3
B7
B11
B15
B19
B23 B25
Neutral
Live
CAUTION
• The terminal of this product is for the additional pump and the max allowable current is 0.5A
• The maximum allowed quantity of additional pumps is one.
• Maximum allowed power consumption is 100W.
L
N
M/C
PCB
Terminal block
Neutral additional pump
Live additional pump
B7
B8
Pump
Power
Terminal No.
Function
Input/output
Min./Max.
current
Description
Remark
B7/B8
Additional AC
Water Pump
AC 230V output
-/100mA
Additional pump (for built-in pump
support) 100W max. (B7=N, B8=L)
Option