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TECHNICIANS manual
ENGLISH
16.3
Power supply diagram
FILTER
C2
C1 = 2,2 μ
C2 = 0,33 μF
C1
C1
C1
L1
T1
L2
T2
L3
T3
L4
T4
A1
A2
IG
LA
SWC
IN
OUT
+24V
+24V
TC
1
TG
1
TC
2
TG
2
GR1
PR
TG
F1
F6
F2 F3
F4
F4
MP
F5
RCS
RCS
RCS
RST
RG1
RC1
F5
RG2
RC2
F5
RG3
RC3
TSS
N
R
S
T
RST
F7
SR2
+
-
- +
SR1
+
-
- +
GR2
TC
3
TG
3
GR3
GR1
GR2
GR3
L1
T1
L2
T2
L1
T1
L2
T2
L1
T1
L2
T2
L1
T1
L2
T2
L1
T1
L2
T2
L1
T1
L2
T2
SRS
+
-
- +
SRT
+
-
- +
+24V
SR3
+
-
- +
SRP
+
-
- +
IG
F5
MP
F1 F2 F3
F4
F5
RCS
RCS
RCS
RG1
RC1
F5
RG2
RC2
F5
RG3
RC3
SINGLE PHASE version
N
F
L1
T1
L2
T2
L3
T3
L4
T4
A1
A2
LA
PR
TG
CNB3
FS
CNB4
4
5
6
7
9
12
13
14
15
16
CNB1
CNB2
CNB5
CNB6
CNB7
CNB8
CNB9
CNB20
CNB10
CNB11
CNB12
CNB13
CNB14
CNB15
CNB16
CNB17
CNB18
CNB22
F1
Fuse T10A
F2
Fuse T10A
F3
Fuse T10A
F4
Fuse T6,3A
F5
Fuse T10A
F6
Fuse F4A
F7
Fuse T1,6A
FS
Circuit board Fuse T6,3A
IG
Main switch
LA
Switch light ON
MP
Motor pump
PR
Steam heating unit safety pressure switch
RCS Services boiler heating element
RC1 Heating unit resistor GR1
RC2 Heating unit resistor GR2
RC3 Heating unit resistor GR3
RG1 Group 1 resistor
RG2 Group 2 resistor
RG3 Group 3 resistor
RST Cup warmer heating element
SR1 Static relay GR1
SR2 Static relay GR2
SR3 Static relay GR3
SRP Motor pump static relay
SRS Elements 1 - 2 heating unit static relay
SRT Cup heater and service heating static relay 3
SWC 24Vdc switching power supply
TC1
Safety thermostat for heating unit GR1
TC2
Safety thermostat for heating unit GR2
TC3
Safety thermostat for heating unit GR3
TG1 GR1 safety thermostat protection
TG2 GR2 safety thermostat protection
TG3 GR3 safety thermostat protection
TSS
Services heating unit safety thermostat
TG
Remote switch
Summary of Contents for 2GR
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