Filter
Top Products
Step 12 -- Install All Accessories-- Install all
field-installed accessories. Refer to the accessoly installation
instructions included with each accessory.
MOTORMASTER® I CONTROL INSTALLATION
(48TJ016,020 UNITS)
Install Field-Fabricated Wind Baffles -- Wind baffles must
be field-fabricated for all units to ensure proper cooling cycle
operation at low ambient temperatures. See Fig. 21 for baffle
details. Use 20-gage, galvanized sheet metal, or similar
conosion-resistant metal for baffles. Use field-supplied screws
to attach baffles to unit. Screws should be 1/4-in. diameter and
5/8-in. long. Drill required screw holes for mounting baffles.
To avoid dmnage to the refiigemnt coils and electric_d com-
ponents, use recommended screw sizes only. Use care
when drilling holes.
) MIN
BAFFLE TOP VIEW 1" (25) MIN--_
78.12" -+0.125"
0984 -+3)
.j \
3/4"(19)0-¥P)--'_
BAFFLE FRONT VIEW
NOTE: Dimensions in ( ) are in mm.
I 10" (254)
_..]--" _¥p)
-- 40"
' 1016
_10" (254)
+"-- = ffYP)
""-'--I 15" (381)
-4i----,i 1_ (TYP)
_"_ "1" (25) MIN
Fig. 21 -- Wind Baffle Details
Install Motormaster [ Controls -- Only one Motormaster I
control is required per unit. The Motormaster I control must be
used in conjunction with the Accessory 0° F Ix_w Ambient Kit
(purchased separately). The Motormaster [ device controls out-
door fan no. 1 while outdoor fans no. 2 and 3 are sequenced off
by the Accessory 0° F Low Ambient Kit.
Accessoiw 0 °F Din' Ambient Kit -- Inst_dl the Accessory 0° F
Ix_w Ambient Kit per instruction supplied with accessory.
Sensor Assembly -- Install the sensor assembly in the location
shown in Fig. 25_
Motor Mount- To ensure proper fan height, replace the exist-
ing motor mount with the new motor mount provided with
accessory.
Tran._fiwmer (460 and 575-v Units On@) -- On 460 and 575-v
units, a transhmner is required. The transformer is provided
with the accessory and must be field-installed.
Motormaswr I Control -- Recommended mounting location is
on the inside of the panel to the left of the control box. The
control should be mounted on the inside of the panel, verti-
cally, with leads protruding from bottom of extrusion.
SENSOR
LOCATION
_Oo
_:tOo°
_:toO°
_:to°
_o°
_:_o°
_$o°
_o°
_o°
_:to°
€:to°
_o°
_1_oo°
_:_o°
_o°
_oOO°
HAIRPIN END
48TJ016
m
_o°
_o°
_o
_o
_o
_o
_o
_o
_o
_o
SENSOR _ ,_ o
LOCATION _ o
_o
_o
_o
_o°
HAIRPIN END
48TJ020
NOTE: All sensors are located on the eighth hairpin up from the
bottom.
Fig. 22 -- Motormaster I Sensor Locations
15