35
A1.- CONTROL BOARD
A3.- AUXILIARY HEATER-1 ACCESSORY
A4.- AUXILIARY HEATER-2 ACCESSORY
F9, F11.- MANUAL RESET THERMAL SWITCH, 138 °C
F10, F12.- AUTOMATIC RESET THERMAL SWITCH, 77 °C
F14, F15.- AIR FLOW CONTROL
F21, F22.- AUTOMATIC SWITCH
KM21, KM22.- POWER SUPPLY CONTACTOR, 400 VAC COIL
R1.- 1
ST
STAGE HEATER
R2.- 2
ND
STAGE HEATER
F9
138 °C
F10
77 °C
KM21
A1
A2
A3
J2
J1
J5
J4
J3
F11
138 °C
F12
77 °C
KM22
A1
A2
A4
J2
J1
J5
J4
J3
TO J10 OF A1
20
40
30
50
6
10
AUTOMATIC
SWITCH
F21 F22
20
25
20
25
1
2
KM21
3
4
5
6
F 14
2
Section mm Cu
L1 L2 L3
Q1
L1 L2 L3
Q
30 m A
400 V, 50 Hz, 3 ~,
F21
1
2
KM22
3
4
5
6
F22
F 15
R1
R2
I-2107a
400.3.50
POWER
SUPPLY
kW
AUTOMATIC
SWITCH
Q1
MINIMUM
SECTION
CABLES mm
²
IMPORTANT: THE SIZE OF THE CIRCUIT BREAKER AND THE CROSS-SECTION OF THE SUPPLY AND CONTROL LINES ARE ONLY AS A GUIDE AND
SHOULD BE CORRECTED IN ACCORDANCE WITH THE CONDITIONS AT THE JOBSITE, DISTANCE BETWEEN UNITS, AND CURRENT LEGISLATION.
THE COMPONENTS INCLUDED IN THESE BOXES
ARE NOT SUPPLIED BY THE MANUFACTURER.
Wiring diagram
Heater 20, 30kW, 400.3.50
SICH-090B to 180B