LTD HEATER INSTALLATION
INSTALLING THE LTD HEATER WITH LTD MOUNTING BRACKETS
THESE INSTRUCTIONS ARE FOR HEATER INSTALLATION ON FAN UNITS WITH 230V MOTORS.
BE SURE POWER IS
DISCONNECTED AND LOCKED OUT BEFORE INSTALLATION! FAILURE TO DO SO MAY CAUSE SERIOUS INJURY OR DEATH.
1. Place heater on the ground next |
to the inlet of the centrifugal fan. |
The LTD heater is designed to |
mount upwind. Be sure airflow |
decal is pointing towards the in- |
let of the fan. |
2. Bolt LTD mounting brackets to |
each of the six holes in the |
downstream angle ring of the |
heater. Snug tighten bolts such |
that they can still pivot with little |
IMPORTANT!
Note: Heater Direction
Figure 1: Make sure the LTD Heater is positioned in the right direction.
Figure 2: The six(6) mounting brackets positioned on the LTD Heater.
force applied. See chart for slots |
to bolt through in bracket. |
Slot | Fan Inlet Bolt Circle |
|
|
End | 31" to 35" |
Middle | Less than 31" |
|
|
3.Pivot brackets so they are nearly radial from center of heater. Stand behind heater and deter mine which bolts on fan inlet best line up with the brackets. Remove the nuts from those
six(6) bolts and bolt the remain- ing six(6) brackets to fan using nuts removed. It may be neces- sary to remount the fan grill guard so mounting brackets will seat properly. Slots to use for fan mounting bolts are below.
Slot | Fan Inlet Bolt Circle |
|
|
End | 35" |
Middle | 31 3/4" |
Inner | 29" |
|
|
Figure 3: The LTD Heater brackets pivoted so they are radial from the center of the heater.
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