Daikin DP14G M Series, Руководство по установке

Страница: 21 / 48

21
speed reversible drill to the other end of the spring cable.
Slowly rotate the cable with the drill and insert it into one of
the primary heat exchanger tubes. While reversing the drill,
work the cable in and out several times to obtain sufficient
cleaning. Use a large cable for the large tube, and then
repeat the operation with a small cable for the smaller tube.
Repeat for each tube.
5. When all heat exchanger tubes have been cleaned, replace
the parts in the reverse order in which they were removed.
6. To reduce the chances of repeated fouling of the heat
exchanger, perform the steps listed in “Startup, Adjustments,
and Checks”.
Main Burner Flame (Qualified Servicer Only)
Flames should be stable, soft and blue (dust may cause orange
tips but must not be yellow). The flames must extend directly
outward from the burner without curling, floating or lifting off.
Burner Flame
WARNING
T
O AVOID
PE
RSONAL I NJURY OR D EATH DUE T O ELECTRIC S HOCK,
DO N OT R EMOVE ANY INTERNAL C OM
PA
RTMENT C OVERS OR A TTE
MP
T ANY
ADJUSTMENT.
C
ONTACT A Q UALIFIED S ERVICER AT O NCE IF A N ABNORMAL
FLAME S HOULD DEVELO
P.
At least once a year, prior to or during the heating season, make
a visual check of the burner flames.
NOTE:
This will involve removing and reinstalling the heat exchanger
door on the unit, which is held by two screws. If you are uncertain
about your ability to do this, contact a qualified servicer.
If a strong wind is blowing, it may alter the airflow pattern within the
unit enough that an inspection of the burner flames is not possible.
Cleaning Burners
1. Shut off electric power and gas supply to the unit.
2. Remove the screws securing the manifold to the burner
retention bracket. Remove the manifold and rotate each
burner counterclockwise to remove.
Burner
Bracket
Burner
Manifold
Manifold Assembly
3. Remove the burners.
4. Use a bottle brush to clean burner insert and inside of the
burners.
5. Replace burners and manifold, inspect the burner assembly
for proper seating of burners in retention slots.
6. Reconnect electrical power and gas supply.
CAUTION
L
ABEL ALL WIRES
P
RIOR TO DISCONNECTION WHEN SERVICING CONTROLS.
W
IRING ERRORS CAN CAUSE IM
PROP
ER AND DANGEROUS
OP
ERATION.
CAUTION
A
LWAYS VERIFY
P
RO
PE
R
OP
ERATION AFTER SERVICING.
For further information on the yearly inspection, consult the User
Manual. It is recommended that a qualified servicer inspect and
service the unit at least once each year.
Turn the unit on at the thermostat. Wait a few minutes, since
any dislodged dust will alter the normal flame appearance.
Flames should be predominantly blue and directed into the
tubes. They should not be yellow. They should extend directly
outward from the burner ports without curling downward, floating
or lifting off the ports.
ACCESSORIES AND FUNCTIONAL PARTS
Sheet Metal Accessories
Additional accessories can be purchased to fit specific application
needs. Parts and instructions are available from your distributor.
Functional Parts
Auxiliary Limit Switch Flame Roll-out Switch
Blower Housing Flame Sensor
Circulator Blower Motor Gas Orifice
Blower Wheel
Gas Valve
Burner Heat Exchanger
Capacitor
High Limit Switch
Compressor Igniter
Condenser Coil
Ignition Control
Condenser Fan Blade Induced Draft Blower
Condenser Fan Motor Pressure Switch
Contactor
Pressure Switch Hose
Gas Manifold Thermostatic Expansion Valve
Evaporator Coil Transformer
FUNCTIONAL PARTS
Functional Parts List
General Information
1. Refer to the description in Functional Parts List when
ordering any of the listed functional parts. Be sure to provide
the unit model and serial numbers with the order.
2. Although only functional parts are shown, all sheet metal
parts, doors, etc. may be ordered by description.
3. Parts are available from your distributor.