Oab If Heater Air Inlet Hood And Flue Assembly Instructions For Outdoor Installations - Trane Horizon OABE/F Installation, Operation And Maintenance Manual

Installation
size and style will vary depending on the tonnage of each
unit).
Figure 44. Coil connection detail
Fluid Flow Proving Switch (Typical)
Actuator (Typical)
Ball Valve (Typical)
Table 5. WSHP water connection sizes
Cabinet Size Tonnage
3
4
5
OAB 6
7
8
9
10
12
15
17
OAG
20
22
25
30
12
15
17
OAK 20
22
25
30
30
35
40
OAN
45
50
54
40
Pressure Tap (Typical)
Water In
Water Out
NPT Male Connection (Typical)
Center Drain Pan
Connection Size (in., MNPT)
1
1
1
1
2
2
2
1
1.5
1.5
2
2
2
2
2
1.5
1.5
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
OAB IF Heater Air Inlet Hood and Flue
Assembly Instructions for Outdoor
Installations
Unit is shipped with the IF heater air inlet hood, flue cover,
and flue stowed in the blower compartment.
Coil
Important: Assemble the flue to the heater and the inlet
hood and flue cover to the heater door
before attempting any unit startup.
Figure 45. Flue cover
Figure 46. Flue
Figure 47. Wind screen
OAU-SVX004D-EN