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Electric reheating coil
(accessory)
Condensate pan
Trap
3064361_201710
16. Commissioning
To prevent the electric heating coil from switching off, never operate the CRL
below its minimum air flow rate.
Follow the relevant safety regulations for electric heating coils.
The electric heating coil must be protected from moisture and water.
Type
Recomm. min. air flow rate
Provide a trap for the condensate drain and route the condensate into the
sewerage system.
Protect the condensate drain from frost.
Fill the trap with water.
The effective trap head h (mm) must be greater than the maximum under- or
overpressure at the condensate connector (1 mmWC = 10 Pa).
h = 1.5 x p (mmWC) + 50 mm (min.)
p
=
50 mm (WC) =
1.5
=
The trap drain line must not be connected directly to the public sewage system,
but rather must be able to run out freely. Vent longer drain lines to prevent
condensate backing up in the line (provide additional vent in trap drain line).
h
CRL
1300
m³/h
600
Under- or overpressure in mmWC acc. to appliance design
Reserve (inaccurate sizing, evaporation)
Additional safety factor
2500
3500
1200
1800
31
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