IM 986-2 / Page 7 of 48
DO NOT handle units by the riser piping. Riser clamps
hold the riser in position; they are not designed to
support the cabinet weight. The clamps are removed
after the unit is installed.
Unit cabinets are factory assembled and wired and
have individual thermostat control capability. They are
installed by stacking one unit on top of the other. While
installing, prevent dirt and other foreign matter from
entering the risers and plugging lines or valves. See
"Cleaning & Flushing Water System" on page 16.
General Information
McQuay Vertical Stack units are designed for use in
multiple oor apartments, ofce buildings, hotels,
nursing homes and other similar applications. They
require a minimum amount of oor space and are
designed for multiple discharge arrangement.
Installation and maintenance must follow accepted
industry practices as described in the ASHRAE
Handbook, the National Electric Code, and other
applicable standards. Install this equipment in
accordance with regulations of authorities having
jurisdiction and with all applicable codes.
WARNING
Installation and maintenance are to be performed by
qualied personnel who are familiar with local codes and
regulations, and experienced with this type of equipment.
WARNING
The installer must determine and follow all applicable
codes and regulations. This equipment presents hazards
of electricity, rotating parts, sharp edges, heat and weight.
Failure to read and follow these instructions can result in
property damage, severe personal injury or death. This
equipment must be installed by experienced, trained
personnel only.
Handling
Carefully check items against the bills of lading to
verify all crates and cartons have been received.
Cabinets and Chassis normally ship four to a pallet.
Carefully inspect all units for shipping damage. Report
damage immediately to the carrier and le a claim.
Check the unit data plate to be sure the unit electrical
agrees with the power supply available (Figures 3).
Component Descriptions (Assembled
Cabinet)
1. Cabinet assembly complete (without chassis)
1a. Pipe riser sets (inlet, outlet and condensate)
1b. Inner front panel and lter bracket
2. Cooling and heating chassis (shipped separate)
3. Return air grille/panel (accessory)
4. Double-deection diffuser (accessory)
Figure 3: Unit Components & Descriptions - Received as
Assembled Cabinet with Chassis Shipped Separate
1
1a
1b
1b
2
3
4
Unit
Data Plate
Stub-out
Seals
Chassis
Data Plate
CAUTION
Sharp metal edges are a hazard, use care when servicing
to avoid contact with them.
!
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