2
5. Install heating element part of the heater kit (Figure 2) in the heater box using screws from heater box cover. Ensure the elements
are positioned in the retaining bracket as shown in Figure 3. It may be necessary to remove the horizontal supply cover to observe
the bracket. The heater box cover can be discarded.
6. Install electric panel part of the kit to the left side of the heater box using 3 screws supplied with this IO (Figure 4).
A
HEATING
ELEMENT
SCREWS FROM UNIT
FIGURE 3
BACK RODS OF HEATER KIT
TO BE PLACED IN SLOTS OF
RETAINER BRACKET
DETAIL A
7. Connect power to kit.
• Remove power cable from the box.
• Connect leads to breakers with one lead for each power leg.
• Route all leads through the blower deck and into the control box as shown in Figure 4.
• Connect the leads to the single point black with the far left lug (L1), the middle lug (L2), and the far right lug (L3).
NOTE:
Single phase kits will only have 2 lugs (L1 and L2).
FIGURE 4
HEATING ELEMENT
CONNECT 9-PIN CONNECTOR
FROM UNIT TO 9-PIN CONNECTOR
OF HEATER KIT
BLACK WIRES FROM HEATER KIT
POWER BLOCK
3 SCREWS
