Installations Instructions
28
COUNTERFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT
SIDE DOWN
Mini mum 5 1/ 2" clearance is required f or t he dr ai n t rap
beneat h t he f ur nace.
*Also see Front Cover Pressure Swit ch Tube Locat ion on
page 14.
Hose #4
Hose #5
Hose #4
Hose #2
Figure 30
1. Remove the factory installed drain trap and hose
assemblies. Leave the 100°elbow inserted and
clamped in the vent drain elbow.
2. Remove two 1”plugs from left side of cabinet
3. (Draining the Collector Box) Remove the cap from
the left side of the collector box drain port (bottom
in horizontal left position) and install it on right side
drain port.
4. Place radius end of hose #4 (factory installed) on the
collector box drain port and secure with a silver clamp.
5. Insert hose #2 from outside the cabinet in the front
drain hole.
6. Connect hose #4 & hose #2 together using a straight
barbed coupling and two gold clamps (factory installed).
7. (Draining the Vent Elbow) Remove rubber plug from
vent – drain elbow side port.
8.
The unused vent-drain elbow drip leg port must be
plugged to prevent flue gases from escaping. Insert
rubber plug removed in step 7 into the 100° elbow..
(Inserting a blunt tool such as a 3/16’’ Allen wrench
into the center of the rubber plug will stretch the plug
and allow complete insertion)
9. Place radius end of hose #4 on the side port of vent –
drain elbow and secure with a gold clamp.
10. Insert a ½” diameter PVC pipe (factory installed) into
hose #4 and secure with a gold clamp.
11. Insert the non-grommet end of hose #5 (factory
installed) from outside the cabinet in the back drain
hole.
12. Insert 100º elbow in hose #5 and secure with a red
clamp.
13. Locate hose #4 and cut a cut off a 4” straight section
and discard the radius end.
14. Connect the 4” straight section of hose #4 to the 100º
elbow and the PVC pipe and secure with red clamps.
15. Connect the hoses to the trap inlets and secure with
silver clamps, drain trap outlet must point to the
original bottom of the furnace.
16. Using the two sheet metal screws provided in the
cabinet, secure the trap to the furnace.
17. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of
furnace trap.
E
LECTRICAL
C
ONNECTIONS
HIGH VOLTAGE !
T
O
AVOID
THE
RISK
OF
ELECTRICAL
SHOCK
,
W IRING
TO
THE
UNIT
M UST
BE
POLARIZED
AND
GROUNDED
.
WARNING
HIGH VOLTAGE !
T
O
AVOID
PERSONAL
INJURY
OR
DEATH
DUE
TO
ELECTRICAL
SHOCK
,
DISCONNECT
ELECTRICAL
POW ER
BEFORE
SERVICING
OR
CHANGING
ANY
ELECTRICAL
W IRING
.
WARNING
L
ABEL
ALL
W IRES
PRIOR
TO
DISCONNECTION
W HEN
SERVICING
CONTROLS
. W
IRING
ERRORS
CAN
CAUSE
IM PROPER
AND
DANGEROUS
OPERATION
. V
ERIFY
PROPER
OPERATION
AFTER
SERVICING
.
CAUTION
WIRING HARNESS
The wiring harness is an integral part of this furnace. Wires
are color coded for identification purposes. Refer to the
wiring diagram for wire routings. If any of the original wire
as supplied with the furnace must be replaced, it must be
replaced with wiring material having a temperature rating
of at least 105° C. Any replacement wiring must be a copper
conductor.
115 VOLT LINE CONNECTIONS
Before proceeding with electrical connections, ensure that
the supply voltage, frequency, and phase correspond to that
specified on the unit rating plate. Power supply to the fur-
nace must be NEC Class 1, and must comply with all appli-
cable codes. The furnace must be electrically grounded in
accordance with local codes or, in their absence, with the
latest edition of The National Electric Code, ANSI NFPA 70
and/or The Canadian Electric Code CSA C22.1.