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Installation Instructions
7.3.2 For Upflow Installation
Top venting (see Fig. 14)
1.
Connect vent pipe and air intake pipe (if applicable) to the couplers on the
furnace top panel.
2.
Use filed supplied straight 2'' diameter pipe. If 3'' pipes are used, use a field
supplied transition.
3.
Depending on which side the condensate trap is mounted, remove 2 caps
on the side where trap is mounted. Mount trap with manufacturer provided
screws.
4.
Remove cap from the inducer drain port (see Fig. 13).
Figure 13
5.
Connect Φ16 mm hose between condensate collector box and drain trap
and connect Φ14 mm hose between inducer drain port and drain trap. (see
Fig. 15).
6.
Cut the excess hoses as needed.
X1
14mm hose
X2
Figure 14
Model
BGH96M100D5B
BGH96M120D5B
BGH96M080C4B
BGH96M100C5B
BGH96M060B3B
BGH96M080B3B
Table 2
7.
Secure and tighten all hoses using manufacturer provided hose clamps.
1 8 |
16mm hose
X1/mm
X2/mm
60
84
135
149
240
219
AIR INLET
COUPLER
HIGH/LOW
FIRE
PRESSURE
SWITCH
Figure 15
Upflow Installation, Top Venting
Bosch 96% AFUE Condensing Gas Furnace - BTC 770503101 J (06.2023)
EXHAUST COUPLER
METAL
HOSE CLAMPS
HOSE CLAMP
CONDENSATE
COLLECTOR BOX
14 mm HOSE
16 mm HOSE
HOSE
CLAMP
DRAIN TRAP
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