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Furnace is shipped from factory in upflow configuration. Pressure tube and drain tube routing MUST match the diagrams below.
Tube location when used in DOWNFLOW application
Tube location when used on
HORIZONTAL - RIGHT application
PLUG
CAP
COLLECTOR BOX DRAIN TUBE
(BLUE & WHITE STRIPED)
COLLECTOR BOX TUBE
(PINK)
COLLECTOR BOX DRAIN TUBE
(BLUE)
INDUCER HOUSING DRAIN TUBE
(VIOLET)
COLLECTOR BOX TUBE
(PINK)
COLLECTOR BOX DRAIN
TUBE
(BLUE & WHITE STRIPED)
COLLECTOR BOX DRAIN TUBE
(BLUE)
INDUCER HOUSING (MOLDED) DRAIN TUBE
(BEHIND COLLECTOR BOX DRAIN TUBE)
FIELD-INSTALLED
FACTORY-SUPPLIED DRAIN TUBE
COUPLING (LEFT DRAIN OPTION)
FIELD-INSTALLED FACTORY-SUPPLIED
DRAIN TUBE
FIELD-INSTALLED
FACTORY-SUPPLIED 1/2-IN.
CPVC STREET ELBOWS (2)
FOR LEFT DRAIN OPTION
COLLECTOR BOX TUBE
(GREEN)
CONDENSATE TRAP
CAP
Condensate Trap; Factory Installed
in Blower Shelf
CONDENSATE TRAP
COLLECTOR BOX TUBE (GREEN)
Condensate Trap on LEFT
Side Optional
CAP
PLUG
COLLECTOR BOX
DRAIN TUBE (BLUE)
PLUGGED END
COLLECTOR BOX DRAIN TUBE
(BLUE & WHITE STRIPED)
COLLECTOR BOX
TUBE (GREEN)
COLLECTOR BOX
TUBE (PINK)
COLLECTOR BOX
EXTENSION TUBE
CONDENSATE TRAP
INDUCER HOUSING DRAIN TUBE (VIOLET)
COLLECTOR BOX
EXTENSION TUBE
COLLECTOR BOX TUBE
(PINK)
COLLECTOR BOX DRAIN TUBE
(BLUE)
COLLECTOR BOX TUBE
(GREEN)
CONDENSATE TRAP
INDUCER HOUSING DRAIN
TUBE (VIOLET)
COLLECTOR BOX EXTENSION TUBE
COLLECTOR BOX DRAIN
TUBE
(BLUE & WHITE STRIPED)
Condensate Trap on
RIGHT Side
COLLECTOR BOX
EXTENSION DRAIN TUBE
DRAIN TUBE COUPLING
GAS VALVE
DRAIN TUBES ROUTED IN
FRONT OF GAS VALVE
PLUG
CAP
COLLECTOR BOX DRAIN TUBE
(BLUE & WHITE STRIPED)
CONDENSATE TRAP
COLLECTOR BOX
EXTENSION TUBE
COLLECTOR BOX
TUBE (GREEN)
INDUCER HOUSING
DRAIN TUBE
(VIOLET)
COLLECTOR BOX TUBE (PINK)
RELOCATE TUBE BETWEEN BLOWER
SHELF AND INDUCER HOUSING FOR
040,060, AND 080 HEATING INPUT
FURNACES
CAP
PLUG
COLLECTOR BOX DRAIN TUBE
(BLUE)
COLLECTOR BOX EXTENSION TUBE
COLLECTOR BOX TUBE (PINK)
COLLECTOR BOX
TUBE (GREEN)
COLLECTOR BOX DRAIN TUBE
(BLUE AND WHITE STRIPED)
INDUCER HOUSING DRAIN TUBE (VIOLET)
CONDENSATE TRAP
Condensate Trap on
LEFT Side
COLLECTOR BOX
DRAIN TUBE (BLUE)
PLUG
Tube location when used in UPFLOW application
Tube location when used on
HORIZONTAL - LEFT application
CAP
PLUG
COLLECTOR BOX
EXTENSION TUBE
DRAIN TUBE
COUPLING
COLLECTOR BOX EXTENSION DRAIN TUBE
(Blower access panel removed)
1. All tubing must be connected securely and routed to avoid kinks and traps.
2. Pressure tubing must always slope away from pressure switch to collector box connection as shown.
3. HORIZONTAL-LEFT installations require the collector box pressure tube to be relocated between the inducer housing and the blower shelf to
prevent a trap.Refer to the Installation Instructions for further details.
NOTE:
324999-201 REV. C
FIELD-INSTALLED
FACTORY-SUPPLIED
DRAIN TUBE COUPLING
(RIGHT DRAIN OPTION)
BURNER ENCLOSURE
PRESSURE REFERENCE
TUBE ASSEMBLY
BURNER ENCLOSURE
PRESSURE REFERENCE
TUBE ASSEMBLY
BURNER ENCLOSURE PRESSURE
REFERENCE TUBE ASSEMBLY
BURNER ENCLOSURE
PRESSURE REFERENCE
TUBE ASSEMBLY
BURNER ENCLOSURE
PRESSURE REFERENCE
TUBE ASSEMBLY
BURNER ENCLOSURE PRESSURE
REFERENCE TUBE ASSEMBLY
TUBE ROUTING
AUXILIARY "J" BOX RELOCATED HERE
A00308
Fig. 10 -- Furnace Pressure and Drain Tubing Diagram
8. Flush inside of collector box with water until discharge
from condensate trap is clean and runs freely.
9. Inspect inside area of collector box for any pieces of foreign
materials and remove them if present.
UNIT DAMAGE HAZARD
Failure to follow this caution may result in furnace
component damage.
DO NOT use wire brush or other sharp object to inspect or
dislodge materials in secondary heat exchangers as cutting
of the secondary heat exchanger protective coating may
occur. Flush with water only.
CAUTION
!
10. Reassemble inducer assembly by reversing items 3--7.
Tighten the vent coupling clamp screw(s) to 15 in.--lb of
torque.
NOTE: If seal between the inducer housing and the collector box
is damaged in any way, it must be repaired. To repair, apply sealant
releasing agent such as PAM cooking spray or equivalent (must not
contain corn nor canola oil, halogenated hydrocarbons nor
aromatic content, to prevent inadequate seal from occurring) to
inducer housing. (See Fig. 12.) Apply a small bead of G.E. RTV
162, G.E. RTV 6702, or Dow--Corning RTV 738 sealant to groove
in collector box.
11. Refer to furnace wiring diagram and reconnect wires to in-
ducer motor and pressure switches or connectors.
12. Reconnect pressure tubes to pressure switches. See diagram
on main furnace door for proper location of tubes. Be sure
tubes are not kinked. (See Fig. 10.)
13. Turn on gas and electrical supplies to furnace.
14. Check furnace operation through two complete heat operat-
ing cycles. Check area below inducer housing, vent pipe,
and condensate trap to ensure no condensate leaks occur. If
leaks are found, correct the problem.
15. Check for gas leaks.
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death or property damage.
Never test for gas leaks with an open flame. Use a
commercially available soap solution made specifically for
the detection of leaks to check all connections.
!
WARNING
58MCB