Operation and Maintenance Documentation GUARD v202301
4. GENERAL AND SAFETY PRINCIPLES
The GUARD air curtains are manufactured in compliance with the rules and standards concerning quality, ecology, utility, and
work comfort. Before starting the device be sure to read the Manual carefully.
The GUARD air curtains are delivered ready-to-use in a cardboard package that is to protect from any mechanical damage. The
package consists of the device, the Manual (Operation and Maintenance Documentation), and the Guarantee. If the optional
automatic control is ordered, it shall be delivered in a separate package. Make sure all the aforementioned elements are in the
package immediately after delivery. In the absence of any element, please fill in the suitable carrier document.
NOTICE!
Do not use the curtain in rooms containing any flammable and/or combustible substances, biological substances, or in
environments with corrosive air components.
Do not use the curtain in rooms with relative humidity above 80%
Do not leave the curtain ON unattended for long periods
Do not use the curtain without proper grounding
Do not turn the curtain on without a protective cover in place
Before conducting any maintenance or cleaning work or during the break-in operation for an extended period, make
sure you unplug the power cable
To connect the air curtain, use a supply cable with a fork that protects against unintended disconnecting from the
power
When the air curtain is connected directly to the cable, please make sure there is a splitter protecting against any
undesired disconnecting
Pay special attention while transporting the device not to damage the casing
When the device is being operated, ensure the safety rules following the labor standards relating to the operation of
any electrical devices
Do not place any objects on the curtain or reduce the airflow to ensure fire safety and if sparks or a damaged supply
cable are noticed, discontinue the operation immediately
The electricity network, to which the curtain is connected, should be protected against overloading and short circuit
CAUTION!
To avoid the serious danger of electric shock, installation must be performed by a qualified electrician
To avoid the danger of electric shock disconnect the power supply before conducting any repair or maintenance work
Any leakage repairs of the heating medium in the device, of which pipes are under pressure, are strictly prohibited
A cut-off/stop valve must be used to supply a heating medium
It is prohibited to connect the grounding-type plug to water pipes, gas tubes, lightning conductors, telephone or
antenna network
Wait for at least 3 hours before connecting the device to the power supply if the temperature while transporting is
below zero
5. INSTALLATION
When deciding on the air curtain position you should take into account such factors as:
Ease of access for servicing,
Access to water and electricity supplies
It is recommended to install the air curtain in position above the entrance opening, on the wall or under the ceiling, on support
pins or horizontal mounting brackets. It is also possible to mount it vertically to a wall or other structure using vertical mounting
brackets.
It’s important to make sure that the unit is properly leveled. In case of positioning in a different way than horizontally or
vertically, during installation, damage to the fan may occur and as a consequence malfunction of the unit.
Inlets and outlets cannot be blocked by any objects. When installing the curtains, keep in mind that you will have free access to
the control panel. With larger door openings, it is possible to mount more curtains of the same type, one by one, to create an
uninterrupted airflow. The curtain is permanently mounted in either a horizontal or vertical position (on the left/right side of the
entrance).
Curtain connection should be done in a serviceable manner, manual shut-off valves should be installed on both nozzles to
enable disconnection. In the case of a solenoid valve (option - automatics), it must be connected to the water outlet of the
device, otherwise, it may be damaged. When tightening the pipeline to the exchanger, the heater connection must be protected
against torque (which may cause leakage in the exchanger).
Before mounting the device, read the manual carefully and adhere to the rules concerning the mounting
procedures. Not applying to the rules may result in the inappropriate functioning of the device and the loss of
the guarantee rights.
Pay special attention when working with electrical elements of the device.
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