Specifications For The Foundation Or Anchoring Of The Unit; Characteristics Of Utility Provider Connections; Preparation And Connecting To The Various Utilities - York ARC 045 Installation Manual

The supply and return air duct systems must be designed for the air flow requirements of the installation.
The ducts should not be sized based on the supply and return air connection sizes of the unit.
Duct covers
Units are shipped with side and lower duct openings covered. See section
return side ducts , see on page 10 .

1.15.3 Specifications for the foundation or anchoring of the unit

Where the unit is to be installed at ground level, the characteristics of the ground it will sit on must be
taken into account.
Characteristics, such as acceptable surface firmness, must be suitable for the foundation the unit re‐
quires.
The unit should be placed on a level concrete slab at least 100 mm thick.
The length and width of the slab must be at least 150 mm more than the base rails on the unit.
C A U T I O N
Do not attach the unit to the foundations of the building.

1.15.4 Characteristics of utility provider connections

In general, the different connections required by the unit are made following the shortest route possible.
Under no circumstances may any local or national regulations be contravened when performing the
preparatory work for service connections.
N O T E
For further information on this subject, always keep the current regulations for the country where the unit
is being installed at hand.
C A U T I O N
• Before the connection work, possible losses of flow, temperature and voltage drops, etc. that might
affect the distances between planned connection points and the unit must be taken into account.
• As a result, each connection must be sized accordingly.
Additional specifications for the gas connection (for ARG/ARD models only)
To correctly size the gas supply pipe, keep in mind the flow required, the specific density of the gas and
the length of the stretch.
The fact that the heating value of the gas can vary from town to town should also be kept in mind. The
heating value of the gas should be checked with the utility company.

1.15.5 Preparation and connecting to the various utilities

Gas. Insulation and/or duct protection.
A specific line should be used for gas supply. Its installation must comply with country and local safety
regulations.
N O T E
For further information on this subject, always keep the current regulations for the country where the unit
is being installed at hand.
Instructions for installation and connection of the unit 1.15
Installation manual
Connections for supply and
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