plenum box installation instructions · 7960-545f page 3 of 7 figure 3 qw heating capacity notes: j...

7960-545F

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PLENUM BOX

INSTALLATION INSTRUCTIONS

Models:

QPBHW42-D-V-MOD QPBHW48-D-V-MOD

QPBHW42-F-V-MOD QPBHW48-F-V-MOD

QPBHW42-D-4-MOD QPBHW48-D-4-MOD

QPBHW42-F-4-MOD QPBHW48-F-4-MOD

QPBHW42-D-X-MOD QPBHW48-D-X-MOD

QPBHW42-F-X-MOD QPBHW48-F-X-MOD

Copyright July 2006

The Plenum Box is designed for use with the Q-Tec Series units. It is for use in Ducted applications

depending on the model specified.

1. Remove the center screw from each top side of the unit.

2. Cut insulation 6.5 inches back and 1.5 inches in. Install grommet in .875 hole in Q-Tec top. See

Figure 1 and Figure 2.

3. Place Plenum Box on top of Q-Tec unit with the open side down & the grille facing the front of the unit.

4. Make sure that the bottom offsets of the Plenum Box are inside the top of the Q-Tec unit flange. The

outside of the Plenum Box should be flush with the outside of the unit.

5. Reinstall the center screws in the top of the Q-Tec unit. These screws will go through the clearance

holes on the Plenum Box and hold it in place.

6. Remove side access panel. Route field-supplied control wiring into unit low voltage area and up

through top bushing to the valve.

7. Adjust louvers to obtain desired air distribution.

8. Connect supply and return piping. Return is on the left facing the front of the unit. Supply is on the

right facing the front of the unit.

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506

7960-545F

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FIGURE 1

FREE BLOW PLENUM

FIGURE 1

DUCTED PLENUM

7960-545F

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FIG

UR

E 3

QW

HE

AT

ING

CA

PA

CIT

Y

NOTES:

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ate

r connections a

re 7

/8"

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g inclu

ded a

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ither

1st

or

2nd s

tage.

QW

Heatin

g C

apacity

@ 1

80°F

Wate

r and 7

0°F

Retu

rn A

ir

30000

40000

50000

60000

70000

80000

90000

100000

700

800

900

1000

1100

1200

1300

1400

1500

CF

M

BTU/HR

1.5G

PM

2G

PM

4G

PM

6G

PM

8G

PM

10G

PM

7960-545F

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plenum box installation instructions · 7960-545f page 3 of 7 figure 3 qw heating capacity notes: j...

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