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Manual 2100-519C
Page 18 of 42
INSTALLATION INSTRUCTIONS
MOUNTING THE UNIT
When installing a Q-T
EC
unit near an interior wall on the
left side, a minimum of 8 inches is required; 12 inches is
preferred.
When installing a Q-T
EC
unit near an interior wall on the
right side, a minimum of 18 inches is required as
additional space is required to connect the side drain. If
the rear condensate drain kit QCDS48 is used the
minimum can be reduced to 8 inches.
This clearance is required to allow for the attachment of
the unit to the sleeve and side trim pieces to the wall.
This unit is to be secured to the wall sleeve with
mounting brackets provided. The unit itself, the supply
duct and the free blow plenum are suitable of “0”
clearance to combustible material.
Following are the steps for mounting the Q-T
EC
. For
reference see Figure 13A for external mounting bracket
or 13B for internal bolt secured bracket (recommended).
1. Attach mounting brackets to the wall sleeve with
screws provided. Either use external mounting
bracket (Fig. 13A) or internal bolt bracket (Fig. 13B).
2. Position the unit in front of the sleeve with the
condenser section toward the sleeve.
3. Remove the locking screws from the wheels.
Refer to Figure 14.
4. Roll the unit into the sleeve. Make sure to check
both sides of the unit as it is being rolled to keep
it centered in the sleeve. Also check the
alignment to the mounting brackets. This unit
must be level from side to side. If adjustments
are necessary, shim up under the rollers with
sheets of steel or any substance that is not
affected by moisture.
5. Make sure the gasket on the rear of the unit is
touching the sleeve across the top and down both
sides. This is a rain water seal.
6. Secure the mounting brackets to the unit with
screws provided, #10 hex head sheet metal
screws (Figure 13A) or use nut and washer to
secure sleeve (Figure 13B).
7. Bottom trim extensions are provided for use when
wall is less than 14 inches but greater than 10.5
inches. Secure to wall with screws (not provided).
8. Attach the bottom trim piece to the unit with the
screws provided (dark colored).
9. Position side trim pieces to wall and attach with
field supplied screws. There are two long pieces
and two short pieces supplied. The long pieces
are to enclose the gap behind the unit. The short
pieces are to fill the gap behind the cabinet
extension or the free blow plenum box. They
may be cut to suit your ceiling height or overlap
the unit side trim. There is sufficient length to
trim up to a 10'2" ceiling.
NOTE: If the exterior wall thickness is between 5
inches to 10.5 inches, a side trim extension
piece kit, model QSTX42, is available.
REMOVE SCREWS FROM
WHEELS BEFORE
ROLLING INTO PLACE
FIGURE 14
REMOVING LOCKING SCREWS FROM WHEELS