WIRING DIAGRAM
WR 600
Version: 2019-05-22 - MAICO VENTILATOREN, www.maico-fans.com - We are not responsible for mistakes or printing errors and retain the
right to make technical modifications without giving prior notice
Page 8
A - WR 600 ventilation unit
A1 - electrical terminal box
A2 - control circuit board
B/B1 - room air control
W1 - 230 V AC connecting cable
W2 - control cable for room air control
F - mains filter
MP1 - motor board 1 for supply air fan
MP2 - motor board 2 for exhaust air fan
M1 - supply air fan
M2 - exhaust fan
S - door contact switch: activated by front plate
Tmin - Frost protection temperature sensor
Supply air
S1 (blue) - Potentiometer adjuster, ventilation level 1
S2 (blue) - Potentiometer adjuster, ventilation level 2
S3 (blue) - Potentiometer adjuster, ventilation level 3
Exhaust air
S1 (red) - Potentiometer adjuster, ventilation level 1
S2 (red) - Potentiometer adjuster, ventilation level 2
S3 (red) - Potentiometer adjuster, ventilation level 3
Jumper settings
J 1-3 Potentiometer volumetric flow range
J 4-5 Frost protection temperature
J 6 No function
J 7 Ventilation level 3 is reset after an hour
J 8 Room air control (RLS 1 WR factory setting)
J 9 Switching off the ventilation unit possible (on/off active)
J 10 Hygrostat connection released
Further connection options
W3/W3' - Connection cable (supplied by customer) for hygrostat, CO2 sensor, external operating display, thermostat
or differential pressure controller.
k1 - Potential-free relay contact (max. 3A / 250 VAC, 2A / 30 VDC). The contact is closed when the ventilation unit is
running.
ABL - exhaust air
ZUL - supply air
N - mains
BA - operating display
BT - operator unit