QTEC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
QCDS48A CONDENSATE
DRAIN SYSTEM
The following are the installation instructions for the Condensate Drain Box:
1. Four 3/16" holes must be drilled in the sleeve side for the drain mounting screws.
(Refer to Figure 1.)
2. A 1/2" hole must be drilled in the sleeve side for the overflow tube. (Refer to Figure 1.)
3. When possible, connect the drain line to the box before mounting.
4. Place the drain box against the sleeve so the mounting holes line up.
5. Install the four mounting screws from the inside of the sleeve out. (Refer to Figure 1.)
6. Seal the inside of the sleeve where the overflow tube sticks through. (Refer to Figure 2.)
7. Install 3/4" plastic pipe nipple and tee in the rear QTEC drain. Tee will need to be
horizontal to floor when tightened. (Refer to Figure 3.)
8. Remove knockout in rear right unit corner. (Refer to Figure 4.)
9. Follow unit instructions for installation of the unit into the sleeve.
10. With lower door of QTEC unit removed, locate indoor side drain hose and place onto
barbed fitting from drain box securing it with supplied clamp. (Refer to Figure 5.)
© Copyright May 2008
Manual
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7960-571A
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DRAIN BOX INSTALLATION
Figure 1
WALL SLEEVE
(4) DIMPLES FOR DRILLING
Ø.188 HOLES FOR MOUNTING
SCREWS
ATTACH WALL DRAIN TO SLEEVE
FROM INSIDE SLEEVE
3/4" BARBED
FITTING
WALL DRAIN
3/4" FPT
DIMPLE FOR DRILLING Ø.500 HOLE
FOR WALL DRAIN OVERFLOW
MIS-2468 A
Manual 7960-571A
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TOP SECTION VIEW
CONDENSATION DRAIN INSTALLATION
Figure 2
OVERFLOW TUBE
CAULK AROUND TUBE
2 3/4"
WALL SLEEVE
3 13/16"
DRAIN BOX
3"
DRAIN BOX
11 5/8"
2 3/4"
FINISHED FLOOR
MIS-2469 A
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CONDENSATE DRAIN INSTALLATION
Figure 3
PLUG INSTALLED IN
SIDE Q/Tec DRAIN
REAR DRAIN CONNECTION IN
Q/Tec PRODUCT
3/4" PLASTIC PIPE NIPPLE
SUPPLIED WITH DRAIN BOX KIT
(APPLY TEFLON TAPE TO
THREADS)
1/2" SLIP X 1/2" SLIP X 3/4" NPT
TEE SUPPLIED WITH DRAIN BOX KIT
(TIGHTEN THREADS SO TEE IS
HORIZONTAL TO FLOOR)
MIS-2470
Manual 7960-571A
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INSTALLATION
Figure 4
REMOVE KNOCK-OUT FOR
INDOOR DRAIN HOSE CONNECTOR
MIS-2471
Manual
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INSTALLATION
Figure 5
DRAIN HOSE FROM INDOOR
DRAIN PAN.
MOVE HOSE FROM ATTACHMENT IN
LOWER DRAIN PAN AND SLIDE ONTO
DRAIN BOX BARB FITTING, SECURING
WITH SUPPLIED CLAMP IF OUTDOOR
PAN IS BYPASSED. ( WILL REDUCE RISK
OF ALGAE GROWTH IN THE OUTDOOR
PAN BUT AT A SLIGHT COOLING
PERFORMANCE REDUCTION OF 2-3% )
MIS-2472
Manual 7960-571A
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