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THERMA-FUSER
INSTALLATION INSTRUCTIONS
THERMA-FUSER
Damaged Freight Claim Procedure
When the diffusers are received, inspect for damage which
THERMALLY POWERED VAV DIFFUSER
may have occured during shipment. If damage is evident, it
I I N N S S T T A A L L L L A A T T I I O O N N , , B B A A L L A A N N C C I I N N G G & & M M A A I I N N T T E E N N A A N N C C E E
should be noted on the carrier's freight bill. A written request
for inspection by the carrier's agent should be made at once.
Models: TF-C
Storage
TF-CW VAV cooling and warm up heating.
TF-HC
Cartons should always be stacked on end with the arrows
TF-D
on the cartons pointing up. Do not stack cartons flat on the
TF-RA
(See Fig. 1 for dimensions.)
sides. Excessive weight may cause damage to the diffusers.
Do not store for prolonged times at temperatures exceeding
TABLE OF CONTENTS
130°F/56°C.
Installation Instructions . . . . . . . . . . . . . . . . . .
Balancing (TF-C, TF-CW and TF-HC) . . . . . . .
Identification
Balancing (TF-D) . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting Temperature . . . . . . . . . . . . . . . . . . .
Diffusers are factory shipped one per carton. The model
Blow Patterns (TF-C, TF-CW, and TF-HC) . . .
designation is on the diffuser and on the carton.
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trouble Shooting (TF-C, TF-CW, and TF-HC).
Installation Precautions
Ten Year Warranty . . . . . . . . . . . . . . . . . . . . . . .
When installing diffusers, make sure construction debris does not enter the diffuser or duct system.
DAMAGED FREIGHT CLAIM PROCEDURE
Because the models TF-C, TF-CW and TF-HC control room temperature by sensing the room air induced up the center of the
When the diffusers are received, inspect for damage which may
room, care should be taken not to disturb room air induction and entrainment. For example, location next to walls or dropped
have occured during shipment. If damage is evident, it should be
noted on the carrier's freight bill. A written request for inspection
lights results in the reflection of primary air back at the Therma- Fuser diffuser and should be avoided. A three-way blow Therma-
by the carrier's agent should be made at once.
Fuser diffuser should be used in this instance if either the light or the Therma-Fuser diffuser cannot be relocated.
STORAGE
Cartons should always be stacked on end with the arrows on the
cartons pointing up. Do not stack cartons flat on the sides.
Installation Instructions
Excessive weight may cause damage to the diffusers.
Do not store for prolonged times at temperatures exceeding
1.
Inspect the carton for damage before opening. Notify carrier if external damage exists. Submit all claims for shipping damage
130°F/56°C.
to the carrier.
IDENTIFICATION
Diffusers are factory shipped one per carton. The model designa-
2.
Move diffusers (in cartons) to installation area. Note unit identification.
tion is on the diffuser and on the carton.
INSTALLATION PRECAUTIONS
3.
Remove cardboard box and cardboard insert. Discard packing material.
When installing diffusers, make sure construction debris does not
4.
If other than 4 way blow pattern is factory installed, note the "AIRFLOW" markings on the top of the diffuser and locate those
enter the diffuser or duct system.
Because the models TF-C, TF-CW and TF-HC control room tem-
sides in the proper direction.
perature by sensing the room air induced up the center of the
room, care should be taken not to disturb room air induction and
5.
Install in ceiling grid. Install T-bar support wire close to each corner of diffuser. Make sure that only wire suspended T-bars are
entrainment. For example, location next to walls or dropped
lights results in the reflection of primary air back at the Therma-
used to support diffuser weight. (Adaptor frames are available for other than lay in ceilings.)
Fuser diffuser and should be avoided. A three-way blow Therma-
Fuser diffuser should be used in this instance if either the light or
6.
Connect and secure the supply duct to the collar. Flexible duct should NOT be formed in a centerline radius of less than 1½
the Therma-Fuser diffuser cannot be relocated.
times the duct diameter. Improper installation may result in different performance from published ratings.
INSTALLATION INSTRUCTIONS
7.
Do NOT reset the temperature set point on the TF-C, TF-CW and TF-HC models until the space is occupied. It is factory
1. Inspect the carton for damage before opening. Notify carrier if
external damage exists. Submit all claims for shipping damage
preset for average conditions (74°F/23°C).
to the carrier.
2. Move diffusers (in cartons) to installation area. Note unit iden-
8.
Balance the system. See Balancing.
tification.
3. Remove cardboard box and cardboard insert. Discard packing
9.
After the air conditioning system is started and after the space is occupied, where necessary adjust the temperature set
material.
point on TF-C, TF-CW and TF-HC models to suit the occupant. See Adjusting Temperature.
Operating Instructions
Operating instructions for models TF-C, TF-CW and TF-HC are located on the back of the appearance panel.
VAV cooling only.
VAV cooling and VAV heating.
Manually adjustable blades.
Return air.
™
FIG. 1 DIMENSIONS TF-C, TF-CW, TF-HC, TF-D AND TF-RA
Designation
Fig 1. Dimensions TF-C, TF-CW, TF-HC, TF-D and TF-RA
OD
Inlet
Desig-
Inches
mm
nation
±
/
1
16
6
5
15
/
150
16
8
7
/
200
15
16
10
9
/
250
15
16
12
11
15
/
300
16
1
2
2
2
3
3
4
*595±2mm Square with 16±2mm lip available—specify 595mm square.
4
*595±2MM SQUARE WITH 16±2MM LIP AVAILABLE—SPECIFY 595MM SQUARE.
4. If other than 4 way blow pattern is factory installed, note the
"AIRFLOW" markings on the top of the diffuser and locate
those sides in the proper direction.
5. Install in ceiling grid. Install T-bar support wire close to each
corner of diffuser. Make sure that only wire suspended T-bars
are used to support diffuser weight. (Adaptor frames are avail-
able for other than lay in ceilings.)
6. Connect and secure the supply duct to the collar. Flexible duct
should NOT be formed in a centerline radius of less than 1½
times the duct diameter. Improper installation may result in
different performance from published ratings.
7. Do NOT reset the temperature set point on the TF-C, TF-CW
and TF-HC models until the space is occupied. It is factory
preset for average conditions (74°F/23°C).
8. Balance the system. See Balancing.
9. After the air conditioning system is started and after the space
is occupied, where necessary adjust the temperature set point
on TF-C, TF-CW and TF-HC models to suit the occupant. See
Adjusting Temperature.
OPERATING INSTRUCTIONS
Operating instructions for models TF-C, TF-CW and TF-HC are
located on the back of the appearance panel.
OPENING THE APPEARANCE PANEL
(TF-C, TF-CW, TF-HC, TF-D)
The appearance panel is attached with a latch clip on one side
and hinges on the opposite side.
To open the appearance panel (on a Therma-Fuser diffuser
installed in the ceiling):
1. Locate the side of the Therma-Fuser diffuser with the thermo-
stat(s). Using two hands, one on each side of the latch clip
bracket, place your fingers above the appearance panel and
firmly pull down to disengage the clip. The appearance panel
will rotate and hang down vertically on the hinges.
To close the appearance panel:
1. Rotate the panel upward.
2. Latch the panel by pushing the clip into the small square hole
in the bracket.
FORM 12.2 REV 1704
OD
Inlet
Inches
mm
MODULAR VAV SYSTEMS
±1/16
±3
6
5
150
15
/
16
8
7
/
200
15
16
10
9
/
250
15
16
±3
12
11
300
15
/
16
NECK SECTION
Continued on next page
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