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15. Appendix
Wiring diagram legend
(page 96)
A
Ventilation unit RB 300/RB 400
A1
Electrical terminal box
A2
Control circuit board
B
Room air control RB-D1-ZF4
B1
Room air control RB-ZF4
(option to RB-D1-ZF4)
W1
Connecting cable 230 VAC
W2
Screened control cable (to be
supplied by the customer) for
RB-D1-ZF4 room air control
W2´
Control cable for room air control
RB-ZF4 (to be supplied by the
customer)
M1
Supply air fan
M2
Exhaust fan
S
Door contact switch: Activated
by front plate
Tmin
Frost protection temperature
sensor
Supply air
S1 (blue) Ventilation level 1
potentiometer adjuster
S2 (blue) Ventilation level 2
potentiometer adjuster
S3 (blue) Ventilation level 3
potentiometer adjuster
Exhaust air
S1 (red)
Ventilation level 1
potentiometer adjuster
S2 (red)
Ventilation level 2
potentiometer adjuster
S3 (red)
Ventilation level 3
potentiometer adjuster
Jumper settings
J 1-3
Unit type 001 = RB 300
Unit type
J 4-5
Frost protection temperature
J 6
No function
J 7
Time limitation (60 minutes)
LS3 is activated
J 8
RB-ZF4 or RB-D1-ZF4
room air control is selected
J 9
RB-ZF4 switch-off function
released If jumper 9 is bridged,
the switch-off function is blocked
and the ventilation unit can no
longer be switched off at the
room air control.
J 10
0...10 V input for CO
RFS sensor blocked
Further connection options
W3
Connecting cable (provided by
customer) for external operating
display
k1
Potential-free relay contact (max.
3 A / 250 VAC, 2 A / 30 VDC).
The contact is closed when the
ventilation unit is running.
W4
Connecting cable (provided by
customer) for external CO
RFS sensor.
W5
Connecting cable (provided by
customer) for external differential
pressure controller/smoke switch.
Differential pressure controller/
smoke switch with potential-
free relay contact. Minimum
switching capacity of relay
contact: 230 V/ 2 A.
010 = RB 400
/VOC/
2
/VOC/
2
95
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