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Installation Manual
3 Installation Instructions
3.1 Parts
Contact your distributor for authorized replacement parts.
3.2 Pre-installation instructions
Carefully read all instructions for installation prior to installing product. Make sure
each step or procedure is understood and any special considerations are taken
into account before starting installation. Assemble all tools, hardware and supplies
needed to complete the installation. Some items may need to be purchased locally.
Make sure everything needed to install the product is on hand before starting.
3.3 Installation and trap connection
1.
See Fig.6 & 7 for coil installation and drain connection.
2.
Installation steps for cased coil:
A. Shut off or disconnect gas furnace's power and remove gas pipe if
necessary.
B. Disconnect and remove a suffi cient portion of the supply ductwork to
provide clearance for the cased coil.
C. Ensure that the coil is level. Seal the gap between coil and furnace.
See Figure 6 & 7. In case that coil and furnace sizes are not matched, use
proper size of sheet metal or other material to fi ll the gap and seal the gap
to prevent air leak
D. Reconnect the ductwork to the coil case, and seal any leakage.
E. Reconnect power line on gas furnace, turn on the furnace to check any sign
of leakage.
Upflow Discharge
↑↑
Primary Drain
Alternate Drain
Primary Drain
Upflow Drain Connection
V ertical Drain Conditions
(All other drain connections should be plugged)
Figure 6
Bosch Thermotechnology Corp. | 03.2017
Downflow Discharge
Alternate Drain
Downflow Drain Connection
Furnace
Horizontal Drain
Left Hand
Discharge
Horizontal Drain
Horizontal Drain Conditions
(All other drain connections should be plugged)
Figure 7
Bosch Multi-Position Cased Coils | 9
Right Hand
Discharge
Furnace
Data subject to change
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