Proheat X45–School Bus - Manual (Page 25)

Figure 3-9 X45 Enclosure Base Dimensions
PROHEAT INSTALLATION & SERVICE 3-4
MOUNTING THE HEATER
Select Your Mounting Option
OPTION A – Heater With Enclosure
1. Remove the enclosure cover.
2. Drill the (4) mounting holes and exhaust pipe clearance hole.
3. Using the bolts supplied, fasten the enclosure to the mounting
tray or brackets.
4. Ensure that the combustion tube can be removed for service.
See Figure 1-2 on page 1-3 for service space requirements.
Figure 3-8 Mounting Tray
8 13/16"
(223 mm)
5 3/4" (146 mm)
3/4" (20 mm) MOUNTING HOLES
(4 REQUIRED)
16 11/16" (427 mm)
12"
(306 mm)
20" (508 mm)
5" (127 mm)
3" (76 mm) Dia.
5" (127 mm)
CENTERLINE OF ENCLOSURE
5" (127 mm)
1 5/8"
(45 mm)
1 5/8" (45 mm)
3.2
3.2.1