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OIMM – VENTUS PRO
!
Sending the ‚Confirmation of Readiness for Assembly’ is indispensable to start the assembly
process by Authorized Service. If real conditions do not correspond to the information given
in confirmation VTS shall be entitled to demand reimbursement of the costs incurred due to
service stoppages or additional actions performed by the service on site.
!
CONDITIONS FOR AHU ASSEMBLY CARRIED OUT BY VTS AUTHORIZED SERVICE
3.4
FOUNDATION, ASSEMBLY, CONNECTION
OF UNIT-RELATED SYSTEMS
The following conditions apply to the delivery of AHUs in packages and orders for the assembly of devices on
site by VTS.
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PREPARATION FOR ASSEMMBLING
Before starting AHU assembly VTS shall send to customer a document entitled ‚Confirmation of Readiness for
Assembly’ (enclosure no 1).
The document contains important information about the installation process. Having satisfied conditions
specified in it the document should be signed in the indicated place and sent to the specified VTS office.
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ASSEMBLY SITE
An assembly place should meet the following conditions:
•
The right surface – the surface should be hard, dry, protected from atmospheric influence, and damage
resistant (placement of the unit, installation works).
•
The required installation place area:
- Width of the unit + 4 meters (two meters on each side of the unit),
- Length of the unit + 4 meters (two meters on each side of the unit)
•
The 230V AC power supply should not be located further than 20m from the installation place which should
be properly lit.
•
The place of installation shall provide a safe environment for the installation crew.
•
The following should be provided:
- availability of individual AHU elements or pallets including packages on the assembly place of a
particular AHU. Ensured transport of AHU elements and AHU blocks to the place of installation,
- possibility of service entering the site and starting assembly immediately after their arrival,
- making the Warranty Card and Delivery documents supplied with a particular AHU available to the service
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ASSEMBLY COMPLETION
After the installation is completed the service is obliged to:
•
notify the client’s representative about the fact of finishing assembly,
If a unit operates with the low inlet temperature of the air, it is recommended to use the mixture of the glycol (up
to 45%) as the heating medium. All installation pipes of the water heating, condensate drying, hydraulic valves
should be well isolated.
It is recommended to use the pre-heater before the heat recovery section.
The air damper actuators should be protected from the atmospheric conditions.
If the outdoor temperature is lower than -20°C, the air dampers actuators must be equipped with heating elements.
All equipment and components operating outside the unit must have the required IP.
Units, periodically stopped during periods of low outdoor temperatures, require special attention.
A unit shall be equipped with control system, that supports the flow of the liquid through water heaters to prevent
it from freezing during AHU downtime.
If it is possible that temperature in the fan section fall below -30°C or lower, the sections should be equipped with
an internal heating system to ensure reliable start of the motors after shutdown and downtime.
