I/O MANUAL Horizontal/Modular/Vertical/Rooftop AHU 2015pg
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COMMERCIAL AIRE PRODUCTS 501 Terminal Road, Fort Worth TX 76106
Tel: 817-624-0820
SAFETY
The installation and/or servicing of comfort conditioning equipment can be hazardous due to system
pressures and electrical devices.
ONLY TRAINED/QUALIFIED PERSONNEL SHOULD PERFORM SERVICE AND/OR INSTALLATION
OBSERVE ALL PRECAUTIONS AND WARNINGS IN PRODUCT DATA OR INSTRUCTIONS ON UNIT.
FOLLOW ALL SAFETY CODES.
Wear eye protection and gloves. Have a fire extinguisher readily available
.
DISCONNECT ALL POWER SUPPLIES BEFORE REMOVING ANY PANELS.
DISCONNECTING MORE THAN ONE POWER SUPPLY MAY BE REQUIRED FOR SOME EQUIPMENT.
Locating the Unit
Placement of the unit relative to ductwork, electrical and plumbing must be carefully considered. Return
air plenum or duct can be mounted directly to the return air flanges. Use flexible gasket material to seal
the duct to the unit.
Verify floor, foundation or suspension support can support the total unit weight, including accessory
weights. Unit must be level in both horizontal axes to support the unit and reduce noise and vibration
from the unit.
Allow adequate service clearances as shown on the unit nameplate and unit drawing. Consult your local
building codes for additional service clearance requirements.
Allow adequate space for piping access and panel removal. Condenser water piping and condensate
drain connections are located on either side of the unit.
Suspended Units
Horizontal air handling units are equipped for suspended installations. The unit should be lifted into
position by supporting the unit with the skid used for shipping. The air handling unit must be installed
level and care should be taken to prevent damage to the cabinet. Other installation provisions may be
necessary according to job specifications.
LIFTING AND HANDLIND THE UNIT
Horizontal, Vertical and Modular Units have channels underneath the base which provide lifting access
to the underside of the unit and allow moving without physical damage.
Before lifting the unit, be sure that all the shipping materials has been removed.
Incorrect lifting can cause damage to the unit, injury or death. Lifting equipment capacity should exceed
unit weight by an adequate safety factor. Always test lift unit not more than 24 inches to verify the
proper center of gravity lift point.
