5. Electrical Schematic
Page 18
HYDR
IM
C51wd Service Guide
Y2
Y1
B1
B3
M1a
M2
R1
M3
M5
M4
B7
B2
B4
B12
B6
B8
T2
Y3
Y1 - Cold water valve
Y2 - Hot water valve
Y3 - Salt valve
M1a - Circulation pump 1
M1b - Circulation pump 2 (Hydrim C51 only)
M1F - Fan (Hydrim C51 only)
M2 - W
aste pump
M3 - Dryer motor
M4 - Dosing pump 1
M5 - Distribution V
alve Motor (Eschmann Plus only)
AS1 -
Air Solenoid V
alve (Hydrim C51wd LCS & Eschmann Plus only)
B1 - Pressure switch
B2 - Chamber full switch
B3 - Chamber overflow switch
B4 - Door switch
B5 - Low salt switch (Hydrim L1
10 only)
B6 - Chemical 1 flow switch
B7 - Handpiece present switch (Hydrim C51wd LCS & Eschmann Plus only)
B8 - Low rinse-aid (chemical 3) switch (Hydrim L1
10 only)
B9 - Distribution V
alve Motor Switch (Eschmann Plus only)
B10 - Conductivity Switch (Hydrim L1
10wd only)
B1
1 - Handpiece water filter pressure switch (Hydrim C51wd LCS only)
B12 -
Temperature cut-of
f switch
B13 - Dryer temperature cut-of
f switch
R1 - Chamber heater
R2 - Dryer heater
T1 - PT100 - Chamber temperature sensor
T2 - PT100 - Hydrim L1
10wd - Second chamber temperature sensor
RC1, RC2, RC3 - RC Network RCF22-220/220 Murrelektronic
- RC3 - Hydrim L1
10 only
F1, F2 - 10A
(Hydrim C51 only)
F3 - 2A
(Hydrim C51 only)
L1 N
Power
Switch
x20
1 2 3 4 5 6 7 8 9 10 1
1 12 13 14 15 16 17 18 19 20
T1
1 2
1 2
1 2 3 4 5 6
1 2 3 4 5 6
L
a
t
c
h
5V
5V & 24V
P
o
w
er
supply
Displa
y &
Touch
S
cr
een
H
y
dr
im M
ast
er B
oar
d
H
y
dr
im I/O B
oar
d
RS232-1
AS1
GND
B5
B10
R2
24V
5
Printer
connector
B1
1
GND
GND
J6
1
2
3
4
J1
J2
J3
J5
J7
3
2
1
3
2
1
J100
J101
J104
1
2
GND
J201
J300
J102
J4
RC2
RC1
RC3
B13
Temp.
Fuse
F1
F2
M1b
F3
M1F
B9
