York ARC 045, Installation Manual

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1.10 Measurements, clearances and accesses
1.10.1 Connections for supply and re‐
turn side ducts
Minimum clearance
A. Minimum clearance: 900 mm
B. Minimum clearance: 600 mm (without economiser), 1,200 mm (with economiser)
C. Minimum clearance: 600 mm (without economiser), 1245 mm (with economiser)
D. Outdoor coil
1. Return air
2. Supply air
Units are shipped with the lower duct openings covered.
For applications with downward airflow ducts:
1 In order to access the covers of the lower supply and return air ducts, remove the side panels of the
supply and return air compartments.
2 Remove and discard the lower duct covers.
3 Replace the side panels of the supply and return air compartments. Make sure that the seal is com‐
pletely air-tight and check that the screws that fasten the panel have their corresponding o-rings.
For applications with sideways airflow ducts:
Flanges for connecting the side ducts are included in an accessory kit.
1 Replace the side panels of the supply and return air compartments with the set of accessory panels.
Make sure that the seal is air-tight.
1 Installation manual
1.10 Measurements, clearances and accesses
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