Induced Draft And Circulator Blowers; Condensate Trap And Drain System (Qualified Servicer Only ); Flame Sensor (Qualified Servicer Only ); Flue Passages (Qualified Servicer Only ) - Goodman CVC9/95 Installation Instructions Manual

I D C
NDUCED RAFT AND IRCULATOR
The bearings in the induced draft blower and circulator blower
motors are permanently lubricated by the manufacturer. No fur-
ther lubrication is required. Check motor windings for accumula-
tion of dust which may cause overheating. Clean as necessary.
C T D
ONDENSATE RAP AND
O )
VICER NLY
Annually inspect the drain tubes, drain trap, and field-supplied
drain line for proper condensate drainage. Check drain system
for hose connection tightness, blockage, and leaks. Clean or
repair as necessary.
F S (Q
LAME ENSOR UALIFIED
Under some conditions, the fuel or air supply can create a nearly
invisible coating on the flame sensor. This coating acts as an
insulator causing a drop in the flame sense signal. If the flame
sense signal drops too low the furnace will not sense flame and
will lock out. The flame sensor should be carefully cleaned by a
qualified servicer using emery cloth or steel wool. Following clean-
ing, the flame sense signal should be as indicated in the Specifi-
cations Sheet.
F P (Q
LUE ASSAGES UALIFIED
The heat exchanger flue passageways should be inspected at
the beginning of each heating season. If necessary, clean the
passageways as outlined below.
1. Turn OFF the electrical power and gas supply to the
furnace.
2. Disconnect the gas line and remove the burner/ manifold
assembly by removing the screws securing the assembly
to the partition panel.
3. Disconnect the flue pipe system from the induced draft
blower.
4. Remove the induced draft blower, drain and pressure tap
hoses from the recuperator coil front cover.
5. Remove the recuperator coil front cover to expose the coil
tubes and turbulators.
6. Remove the recuperator coil turbulators individually by
slowly pulling each turbulator forward firmly.
7. Clean the recuperator coil tubes using a long handle wire
brush, such as a gun cleaning brush.
8. Clean the primary heat exchanger tubes using a wire brush
attached to a length of high grade stainless steel cable,
such as drain cleanout cable. Attach a variable speed
reversible drill to the other end of the cable. Slowly rotate
the cable with the drill and insert it into one of the heat
exchanger tubes. While reversing the drill, work the cable
in and out several times to obtain sufficient cleaning. Repeat
for each tube.
9. Clean residue from furnace using a vacuum cleaner.
10. Replace the parts removed in the previous steps in reverse
order.
11. Turn on electrical power and gas to furnace. Check for
leaks and proper unit operation.
12. Severe heat exchanger fouling is an indication of an
operational problem. Perform the checks listed in Startup
B
LOWERS
S (Q
RAIN YSTEM UALIFIED
S O )
ERVICER NLY
S O )
ERVICER NLY
Procedure and Adjustments to reduce the chances of
repeated fouling.
B L
EFORE EAVING AN
•
Cycle the furnace with the thermostat at least three times.
Verify cooling and fan only operation.
S -
ER
•
Review the Owner's Manual with the homeowner and
discuss proper furnace operation and maintenance.
•
Leave literature packet near furnace.
R
EPAIR AND
•
When ordering any of the listed functional parts, be sure
to provide the furnace model, manufacturing, and serial
numbers with the order.
•
Although only functional parts are shown in the parts list,
all sheet metal parts, doors, etc. may be ordered by
description.
•
Parts are available from your distributor.
Functional Parts List-
Gas Valve
Gas Manifold
Natural Gas Orifice
Propane Gas Orifice
Igniter
Flame Sensor
Rollout Limit Switch
Primary Limit Switch
Auxiliary Limit Switch
Pressure Switch
Induced Draft Blower
Door Switch
50
I
NSTALLATION
R P
EPLACEMENT ARTS
Blower Motor
Blower Wheel
Blower Mounting Bracket
Blower Cutoff
Blower Housing
Inductor
Heat Exchanger with
Recuperator Coil
Coil Front Cover
Integrated Control Module
Transformer