11
Acr Pro
air curtains
Operation and Maintenance Documentation
8.
ELECTRICAL CONNECTION DIAGRAMS
MAKE THE ELECTRICAL CONNECTION OF THE CONTROLLER IN PHASE CORRECTLY, MAKE SURE TO
CONNECT THE PHASE TO ONE OF POINT “U” AND NULL TO POINT “N”.
Any and all repair and maintenance works must be conducted with the power off and the heat input
disconnected.
Only suitably qualified staff well acquainted with the safety regulations concerning handling with an
electrical device must be employed when the device is being installed, started and operated!
To connect the curtain use a 3-core copper cable of minimal diameter 3x1,5mm² for two curtains (up to 6 fans) or 3x2,5mm² for 3 cur-
tains (up to 9 fans). The electrical installation and connection to power supply must be done in compliance with the existing regulations
and standards for building industry.
The electric network, to which the device is to be connected, should protect the device against overloading and short circuit. It is neces-
sary to use protective grounding. Any electrical installation works and the connection to supply power must be conducted in accordance
with the applicable building regulations and standards. The connection of the unit to the power supply must be conducted by a qualified
specialist who is familiar with the Manual. Fan’s motor is equipped with internal thermal protection against overheating. Power cable
and a main switch are not included in the set.
Also the DOORSTOP door contact switch can be installed; it turns off the ACR Pro curtain when the door is being closed and the mo
-
ment the door is being opened the ACR Pro curtain starts operating accordingly to the parameters set in the control panel of the device.
Fan wiring description:
PE (yellow/green):
earth protection
U3 (red):
low speed
U2 (grey):
middle speed
U1 (brown):
high speed
N (blue):
Null
AFTER A YEAR OF OPERATION CHECK THE ELECTRICAL CONNECTIONS AND IF NEEDED TIGHTEN
THE WIRE CONNECTIONS TO ELIMINATE POTENTIAL SPARKLING.
•
Before making the electrical connection, make sure that the mains voltage and mains frequency correspond to the values
indicated on the rating plate of the appliance�
•
Do not start the appliance without connecting the earth-ground!
Electrical connection for ACR Pro E (PTC electric heat exchanger)
• Power supply for PTC heaters are 3x400V/50Hz!
• For ACR Pro 1500E use wire min. 5x6mm
2
, fuse B25
• For ACR Pro 2000E use wire min. 5x6mm
2
, fuse C32
The Multi 6 control box allows to connect and control up to 6x ACR Pro 2000 and 6x servomotors. The control of the unit motors is via
COMFORT or INTELLIGENT controller, there is a possibility to connect DOORSTOP switch to it. The thermostat has a primary function
when connected to the unit with the DOORSTOP. In order to connect more than 6 air curtains there is a possibility of connecting up
to 10 Multi 6 controls in serial. To do so in to remove the DS-N jumper in the first Multi 6 box and install DS-N jumper in all the other
boxes.
