27
4.3 Detailed fault finding INSTALLER
no
Check
voltage present
at connection 1.
Reinstate voltage supply
no
Ensure connections correct,
if yes replace FILTER
Ensure connections correct,
if yes replace ON/OFF switch
Check
voltage present
after FILTER
Check
voltage present at
gate 3 ON/OFF
switch
Check
voltage present
at gate 11 and 12
CONTROL
THERMOSTAT.
1. Check if controle thermostat is closed
2. Ensure connections correct.
3. If yes replace CONTROL THERMOSTAT.
yes
yes
no
yes
yes
no
Содержание BFM 30
Страница 7: ...7 Figure 3 Differential pressure switch Figure 2 Positioning ventilation...
Страница 9: ...9 Figure 4 IMD 0057 R0...
Страница 17: ...17 Figure 12 Electrical connection diagram BFM IMD 0055 R1...
Страница 32: ...32 0305 664 R0...