ELECTRICAL CIRCULAR DUCT HEATERS
EKA
20
S
–
Automatic circuit breaker
J
–
Switch
T
–
Timer
EKR-
KN…
–
PCB of temperature controller
V1, V2
–
Triacs
A
–
Heating elements
B
–
Overheat thermostat with automatic reset
C
–
Overheat thermostat with manual reset
K
–
Contactor (relay)
PTC
–
Sensor for minimum air velocity detection
PS
–
Differential pressure switch for air flow detection
TJ-K10K
–
Supply air temperature sensor
TR NTC10
–
Room temperature sensor panel
TR5K NTC10
–
Room temperature sensor panel with remote setpoint knob
TR5K
–
External remote setpoint knob panel
≤ 3,6
Kw
> 3,6 kW
Fig. 13. Electrical wiring diagrams of single phase 230V heater
EKA…
-
…
-1f
≤
6 kW
> 6 kW
Fig. 14. Electrical wiring diagrams of 2-phase 400V heater
EKA…
-
…
-2f
Electrical wiring diagrams
Содержание EKA 100
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