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N N o o t t e e : : Predrilled 1/4" diameter mounting holes are provided in
each junction box. These holes may be used only when no slip-
in accessory is to be installed in that end of the heater ( such as
when heater(3 and 7) are butted together as shown in Figure 1).
Additional mounting holes will have to be drilled in the housing
to support the weight of long-length heaters (6' and longer). Do
not drill any additional holes in junction boxes.
8.
Check for evenness of wall. Do not draw the heaters
against an uneven wall surface. If an uneven wall is
encountered, use shims to keep the heater housing
straight.
9.
Run proper size branch circuit to the junction box through
the selected knockout.
10. Mount the heater (2, Figure 1) on the wall using screws,
bolts or anchors (by installer) to suit the wall construction.
11. Telescope the heater housing (3) over the filler section (1)
by the desire amount and mount the housing to the wall.
12. Telescope the heater housing (8) over the corner section
(4) by the desired amount and mount the housing to the
wall.
13. Mount the remaining heaters as described above, making
sure that the heaters with end caps are installed at the end
of the run.
14. Blank sections, if any are installed in the same manner as
the heaters.
N N o o t t e e : : 75ºC field wiring may be run through the blank sections,
filler sections and corner sections.
15. Control sections, if any, are installed in the same manner
as heaters. Refer to wiring diagram on control sections for
connecting the wiring to the heaters
I I n n s s t t a a l l l l a a t t i i o o n n o o f f M M u u l l l l i i o o n n t t o o M M u u l l l l i i o o n n U U n n i i t t s s
The back of the heater housing contains no mounting holes
(other than those at the ends) and therefore is ideal for installa-
tion in front of glass curtain walls. The housing back presents
an attractive appearance when viewed from the outside through
the glass wall.
Installation procedures are similar to those for wall-to-wall instal-
lation (Step Six) except for the following differences.
1. Attach the housing to the mullion using the mounting holes
provided in the junction boxes as shown in Figure 6.
2. On horizontal mullion installation, install support brackets as
shown in Figure 7.
F F i i g g u u r r e e 6 6
F F i i g g u u r r e e 7 7
O O P P E E R R A A T T I I O O N N I I N N S S T T R R U U C C T T I I O O N N S S
1. After heaters are completely assembled and installed, set
thermostat or operating controls for NO HEAT and energize
heater circuit (s). Verify the heaters are not producing heat.
2. Adjust thermostat or operating control to call for heat. Allow
heater(s) to operate for a few minutes and verify the heaters
are producing heat.
3. The thermostat or operating controls may be adjusted to
cycle the heater(s) on and off to maintain the desired room
temperature.
N N o o t t e e : : If built-in thermostat is provided, rotation in the clockwise
direction will allow heater to remain on MORE and will main-
tain a higher room ambient. Likewise, rotation in the counter-
clockwise direction will result in the heater remaining on
LESS and the room ambient will be lower. If remote thermo-
stat or other types of controls are provided, refer to the
instructions provided with these controls for proper operation.
6
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