Intex Pure Spa BUBBLE SB-HWF20 - PCB Terminal Configuration; Sensor Terminal Color Codes; Power and Component Terminal Assignments

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NO.
ITEM
Part #
J
Water Inlet for Tub
12601
K
Water Outlet for Tub
12915
L
Air Inlet nut
12914
M
Electrical Cord with RCD
11998
N
Water Pump (Filter)
12778
PCB
Main circuit Board
Black:"50C 黑" - Water Temperature Sensor
White:"20~40C 白" - Water Temperature
Green: "FLOW 绿" - Flow Sensor one (E90)
Yellow:"84 C 黄" - Dry Fire Protection (E97)
1 & 2 - Main power supply
5 & 6 - Transformer power input
7 & 8 - Air blower power
9 to 12 - Heating element power