6
3.7 - VENTILATION WITH AVAILABLE PRESSURE
(for a unit installed in a room)
• Code K 60 Q 002 M for PMHRV 2044 and 2050
• Code K 60 Q 005 M for PMHRV 2064 and 2072
3.6 - AUXILLIARY ELECTRIC HEATING
• The heater consists of immersion heaters each rated at 16 kW (400 V, 3-phase), secured to the hydraulic module's
buffer tank.
• These immersion heaters are controlled from a specific unit with 2-stage control, and the power feeders are protected by
circuit breakers and a master switch (power supply separated).
• Backup is authorized with the 2
nd
stage, although is triggered only if the generator is out of service.
• The power supply for this heating system is connected separately (3-phase 400 V).
• Each heating assembly is equipped with a safety thermostat with 2 thresholds (1 automatic reset threshold and 1 manual reset
threshold).
PMHRV 2044 to 2072
Back-up - 16 kW
2
nd
stage - 16 kW
1
st
stage - 16 kW
Water
outlet
Tank
Water inlet
Immersion heater with security
Heating power: 48 kW
Current : 70 A
Code K 60 C 480 M : Standard
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