Glow-worm Clearly Heat Recovery - Manual (Page 17)

17
Installation - Controls
4.10 Alarm Input (optional)
The alarm input (connection „X 14“ on the board) is bridged
when the unit is delivered. If the connection is undone with an
external potential-free switching contact (break contact), both
fans will be switched off. On the display of the remote control
you will see the message “LOCK“.
IMPORTANT:
Disconnect from the mains electricity supply
before starting to work on the unit .
Remove the unit front panel as described previously.
Now place the 2-core cable (minimum 0.35 mm 2 ) in the
respective cable routing to the PCB.
Connect the lines to the connection “X 14” (alarm input) in
accordance with diagram 4.9 “Wiring scheme”.
NOTE:
When the contact is opened, the word “LOCK”
appears on the display of the remote control.
The fans on the domestic ventilation unit are then switched
off.
4.11 Alarm Output (optional)
The alarm output (connection „X 16“ on the board) is made of
a potential-free switching contact with a resistive load (Ohm)
of maximum 2 A.
40 mm
Ø 4,5 - 10 mm
4.12 Removal of cable insulation
Remove the cable insulation as shown in diagram 4.11.
Lead the cable through the strain relief, see diagram 4.8 and
screw them together.
An alarm will be triggered:
• If the time set for the filter replacement has expired. The
duration is set under the installer level option on the remote
control.
• If one of the error messages described in fault finding
section, is indicated in the remote control display.
Disconnect from the mains electricity supply.
Remove the unit front panel as described previously.
Now place the 2-core cable (minimum 0.35 mm 2 ) in the
respective cable routing to the PCB.
Connect the lines to the connection “X 16” (alarm output) in
accordance with diagram 4.9 “Wiring scheme”.
H 0 D
Switch
- +
BUS
0 D
H
0
D H
Diagram 4.10
15531
Diagram 4.11