EN - 10
Power (kW) Number of speeds Power (kW) Number of speeds
Option A
Size 025 15 2 30 4
Size 040 24 2 48 4
Size 060 33 2 66 4
With electrics box: On/Off or TRIAC:
Box not available for option A.
Box options:
o Option B: On/Off (2-stage) / fitted and wired
o Option C: On/Off (2-stage) / box not fitted and not wired
o Option D: modulating with TRIAC (1 On/Off stage + 1 modulating stage)
o Option E: modulating with TRIAC (1 On/Off stage + 1 modulating stage) / box not fitted and not wired
Control
To be wired:
- 3-PH – 400V supply
- Control/protection
- Option C and E: to be wired between the electrics box and the heater terminal. Cable to be supplied at the customer's
expense (See 4.6.2: without box).
The activation of the electric heater stages or the output modulation must be slaved to the AHU's air flow. A fan delay must
be provided as part of the control tender.
Control
supply
3-PH-400V / 50Hz
Option D / E:
TRIAC
Option C / E:
Electric heater
Stage 2
Electric heater
Stage 1
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