11
01
11
Air Heater
WD-A, WD-U
Switching Devices
06
06 Switching Devices
06.01 Max. Number of WD-A Machines on one Switching Device
Switching
Device
Type WD
101 201 301 401 102 202 302 402 103 203 303 403 106 206 306 406
670
50 20 14 6
50 20 14 6
671
50 20 14 6
50 20 14 6
676
50 20 14 6
677
685 / 52 E
7 1 1
685 / 53 E
15 3 3 1
685 / 54 E
24 6 5 3
685 / 55 D 5 2 1
685 / 56 D 10 4 2 1
685 / 57 D 20 8 5 2
685 / 58 D 35 14 10 4
685 / 57Ex D
2 2 2 2
06.02 Repair Switch
Switching Device 685/52-58D u . 683/56D / 58D
7-core
7-core
7-core
Fan Motor 1
TK=Thermo-contact
TK=Thermo-contact
Fan Motor 2 o. X
Clip box and wiring to be provided by customer!
Attention!
Max. number of fan motors on one switching device:
cf. table in these operating and maintenance instructions.
The cable cross-sections are guidance values and must be adjusted
to the valid VDE-regulations VDE 0100 and the TAB.
Switching Device 670 -671
9-core
5-core
5-core
5-core
9-core
9-core
Fan Motor 1
Fan Motor 1
TK=Thermo-contact
TK=Thermo-contact
TK=Thermo-contact
TK=Thermo-contact
Fan Motor 2 o. X
Fan Motor 2 o. X
Switching Device 685/52-54 E
Motor 003
Motor 001
2 Rotational Speeds
Y - Switching: high rotational Speed
Δ
- Switching: low rotational Speed
TK= Thermo-contact
1 Rotational Speed
running to the left
TK= Thermo-contact
Repair Switch 9-core
Repair Switch
230V/50Hz
brown
blue
black
or
ange
red
grey
white
white
brown
or
ange
white
white
blue
black