Measurements, Clearances And Accesses; Connections For Supply And Return Side Ducts - York ARC 045 Installation Manual

1 Installation manual

1.10 Measurements, clearances and accesses

1.10 Measurements, clearances and accesses
1.10.1 Connections for supply and re‐
turn side ducts
Minimum clearance
A.
B. Minimum clearance: 600 mm (without economiser), 1,200 mm (with economiser)
C. Minimum clearance: 600 mm (without economiser), 1245 mm (with economiser)
D.
1.
2.
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.
10
Minimum clearance: 900 mm
Outdoor coil
Return air
Supply air