Dantherm HRV 501 Serviceanleitung Seite 44

Wiring diagram,
Diodes and fuse
Diodes
Fuse
42
continued
This drawing illustrates diodes and fuse on the control board:
D9
D14
Fuse
D1
D2
The table below gives an overview of the diode functions:
Diode Colour
D9 Red
D14 Green
D1 Yellow
D2 Yellow
The table below describes the specification of the fuse:
Fuse
F2 4 A – 250 V
Function
Software cycles (usually flashes once every second)
Power ON
Not used
Humidistat input active
Specification