Preliminary Checks - Airwell AWHM-TDF 190 Manuel D'installation, D'utilisation Et D'entretien

9 - START-UP
9.2 - GENERAL
The indicated operations should be done by qualified technician with specific training on the product.
Upon request, the service centres performing the start-up.
The electrical, water connections and the other system works are by the installer.
Agree upon in advance the star-up data with the service centre.
Before checking, please verify the following:
• the unit should be installed properly and in conformity with this manual
• the electrical power supply line should be isolated at the beginning
• the unit isolator is open, locked and equipped with the suitable warning
• make sure no tension is present
After turning off the power, wait at least 5 minutes before accessing to the electrical panel or any other electrical component.
Before accessing check with a multimeter that there are no residual stresses.

9.3 - PRELIMINARY CHECKS

Before starting the unit, make sure that the room is free of dust and debris and that the conduits are not
blocked
The following check list is a brief reminder of the points to check and of the operations to perform to start-up the unit.
For details refer to the various chapters in the manual.
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Preliminary checks
The flooring beneath the unit must be able to support the weight of the unit when filled with water (more than 287kg,
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model 190/1.5-H31 – more than 310kg, model 190S) - (more than 412kg, model 300/3.5E-H31 - more than 435kg,
model 300S)
2
Located indoors (such as a basement or garage) and in a vertical position. Sheltered from freezing temperatures.
3
Drain pan installed and piped to an adequate drain.
4
Sufficient room to maintenance the unit.
Sufficient air for the heat pump to function, the unit must be located in a space >15m³, and must have unrestricted air
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flow.
6
The unit cannot be placed into any type of closet or small enclosure.
The site location must be free from any corrosive elements in the atmosphere such as sulfur, fluorine, and chlorine.
These elements are found in aerosol sprays, detergents, bleaches, cleaning solvents, air fresheners, paint, and varnish
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removers, refrigerants, and many other commercial and household products. In addition excessive dust and lint may
affect the operation of the unit and require more frequent cleaning.
The externalair temperature must be above -7ºC and below 43ºC. If the externalair temperature falls outside these
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upper and lower limits the electrical elements will be activated to meet the hot water demand.
9
DHW safety valve properly installed with a discharge pipe run to an adequate drain and sheltered from freezing.
10
Filter for water coming from water mains present and accessible for maintenance
11
Water temperature limit valve or mixer tap (recommended) installed per manufacturer's instructions.
12
All piping properly installed and free of leaks.
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