SPA
Page 83
13.
Basic PCB Connections
Main PCB
B3
transducer (only Humidifier type HyLine, CompactLine
and MiniSteam)
D6
fault indicator lamp (red)
D64
humidify indicator lamp (yellow)
D 63
filling indicator lamp (yellow)
D62
blow-down indicator lamp (yellow)
D61
operating indicator lamp (green)
P1
potentiometer steam generation output limitation; 25 -
100% humidification output
P2
potentiometer pump run time 0 - 45 sec.
6 - 7
sensor electrode input (ST2)
9
main contactor output (ST1)
10
pump output (ST1)
11
solenoid valve output (ST1)
15 - 16
main PCB power supply (ST1)
16
blow-down pump power supply (ST1)
19,17,18
semiconductor relay (ST5) (only Humidifier type HL and
HC)
21 - 24
level switch (ST6) (only Humidifier type HL and HC)
28 - 30
signal relay (collective fault) (ST4)
31 - 42
4 signal relay ouputs (installed on JP3)
JP1
(not used)
ST 8
COM-Port jack
ST 9
remote control jack
JP 9 / JP 4
jumper socket interface driver
JP 5
jumper socket display
JP 3
base socket signal relay PCB
4 - 42
temperature sensor (ST3)
3
24 V DC
2
Input remote switch / safety interlock
