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18
Duct heater
WIRING DIAGRAM OF THE HEATER WITH ONE ELECTRICAL HEATING ELEMENT,
SINGLE-PHASE POWER SUPPLY AND TIME-DELAY RELAY
Heater
L
Q
S
KT
M
KM
N
PE
X2
RESET
X1
S1
T°
T°
S2
1
2
3
4
5
6
WIRING DIAGRAM OF THE RECTANGULAR HEATER WITH THREE ELECTRICAL HEATING ELEMENTS,
THREE-PHASE POWER SUPPLY, STAR CONNECTION AND TIME-DELAY RELAY
L1 L2 L3
S
KT
M
Q
Heater
X1
S1
T°
T°
RESET
E1...E3
X2
N
PE
KM
S2
1
2
3
4
5
6
7
S –
ON\OFF switch
KT –
time-delay relay
M –
fan
KM –
magnetic starter
Q –
automatic circuit breaker
Содержание NK 100-0,6-1
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