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Installation Guide

ManualsBrandsMRCOOL ManualsForced Air Furnaces93% AFUE 100,000 BTU Multi-Position 2-Stage Multi-Speed Gas Furnace with LP Kit
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12
I&O manual
Fig. 11 - Upflow Installation, Top Venting Fig. 12 - Upflow Installation, Right Side Venting
6.3.2 For Upflow Installation
1. Top venting (see Fig. 11)
Connect vent pipe and air intake pipe (if applicable) to the couplers on the furnace top panel. Use street 2 to 3” transition for 3” pipe.
Depend on which side the condensate trap to be mounted, remove 2 knockouts on the side where trap be mounted. Mount trap with two
screws provided.
Connect 16mm hose between collector box and trap and connect 14mm hose between elbow and trap. (see Fig. 11). Cut the excess
hoses if necessary.
Secure and tight all hoses.
Cut and remove 1/4 inch from the end of the drain port on the rubber elbow.
2. Right side venting (see Fig. 12)
Remove plug (14mm) from right side panel of furnace and cut the insulation to the size.
Remove 3 screws securing air intake coupler on top panel and remove coupler.
Mount coupler to the leftt side using the same screws saved from removing top panel coupler.
Cover the top panel opening using the plug removed from left side panel.
Remove rubber elbow connected to the inducer. Use field provided 2” plastic pipe and nipple to connect to the inducer.
Connect rubber elbow to the 2” pipe out side the unit. Elbow should be connected as close to the side panel as possible.
Connect 2” pipe to the rubber elbow. If 3” pipes are used, use a field provided transition.
Use provided or field supplied (if applicable) mounting bracket to mount condensate trap on the proper location of right side panel .
Screws for mounting bracket should not interfere any components inside the furnace.
Connect 16mm hose between collector box and trap and connect 14mm hose between rubber elbow and trap.
Cut the excess hoses if necessary.
Relocate junction box to the other side of cabinet if necessary.
Secure and tight all hoses.
DRAIN TRAP
14mm HOSE
HOSE CLAMP
HOSE CLAMP
VENT OUTLET
AIR INLET
16mm HOSE
DRAIN TRAP
DRAIN TRAP
FIXING
14mm HOSE
HOSE
CLAMP
VENT OUTLET AIR INLET
16mm
HOSE
High/Low Fire
Pressure Switch
14/16mm Tube