Installation
40
OAU-SVX004D-EN
size and style will vary depending on the tonnage of each
unit).
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.
Important:
Assemble the flue to the heater and the inlet
hood and flue cover to the heater door
before
attempting any unit startup.
Figure 44.
Coil connection detail
Table 5.
WSHP water connection sizes
Cabinet Size
Tonnage
Connection Size (in., MNPT)
OAB
3
1
4
1
5
1
6
1
7
2
8
2
9
2
OAG
10
1
12
1.5
15
1.5
17
2
20
2
22
2
25
2
30
2
OAK
12
1.5
15
1.5
17
2
20
2
22
2
25
2
30
2
OAN
30
2
35
2.5
40
2.5
45
2.5
50
2.5
54
2.5
Actuator
(Typical)
Ball
Valve
(Typical)
Water
In
Water
Out
NPT
Male
Connection (Typical)
Fluid
Flow
Proving
Switch
(Typical)
Pressure
Tap
(Typical)
Center
Drain
Pan
Coil
Figure 45.
Flue cover
Figure 46.
Flue
Figure 47.
Wind screen
Summary of Contents for Horizon OABE/F
Page 32: ...Unit Clearances Curb Dimensions and Dimensional Data 32 OAU SVX004D EN ...
Page 37: ...Unit Weight and Rigging OAU SVX004D EN 37 ...
Page 55: ...Installation OAU SVX004D EN 55 ...
Page 78: ...Performance Data 78 OAU SVX004D EN ...
Page 84: ...Appendix 84 OAU SVX004D EN Figure 79 BAYSENS036A installation instructions ...
Page 85: ...Appendix OAU SVX004D EN 85 Figure 80 VELCON 0351 installation instructions ...
Page 89: ...Appendix OAU SVX004D EN 89 ...
Page 90: ......
Page 91: ......
