Figure 30 – control of chained C1 air curtains using an internal switch
Q1 - 1. Speed stage
Q2 - 2. Speed stage
Q3 - 3. Speed stage (the highest speed)
Table 3 – Possible control according to air curtain type
Control
possibilities
Number
of speed
steps
C1 - N
1
C1 - W
1
C1 - E1
1
C1 - E2
1
C1 - N / TR
3
C1 - W / TR
3
C1 - E1 / TR
3
C1 - E2 / TR
3
D2 - N
3
D2 - W
3
D2 - E1
3
D2 - E2
3
The operation of curtains via a door contact (DK) is not suitable on curtains with el. heating (El and E2) and on curtains with a water exchanger with a front-end,
1)
closing, thermo-electric valve, as the warming up of the heating takes longer than passage through the door.
Table 4 - types of connecting cables recommended for the controllers