Wolf WD-A Operation & Maintenance Manual page 17

AIR HEATER WD-A, WD-U
07
Switching Devices
07.11 Switchgear with EC controller 692 EC with damper actuator
Zuleitung
230V
Damper actuator
515
Option
Switch
On/Off
If present, If present,
remove jumper remove jumper
Room thermostat Clock thermostat
681/682/682-I 684.1
Contact 2-3 closed = heating Contact 1-3 closed = heating
Contact 2-1 closed = cooling Contact 1-2 closed = cooling
Power supply on site
230V
Option Option
Position transmitter
705
Option
17 17
If present,
remove jumper
Option
on site
Damper actuator
ext. release /
517
frost protection
Option
Option
Speed
controller
Collective fault
signal fans
Option
on site
EC fan
terminal box
*Bridge release
in fan terminal box
24V or 10V to D1
(if available)
Power supply on site
230V or 400V
Damper actuator
517
Option
Max. 15 fans!
*Switching fault
signals in series
EC fan
terminal box
*Bridge release
in fan terminal box
24V or 10V to D1
(if available)
Power supply on site
230V or 400V