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INSPECTION AND MAINTENANCE DURING STORAGE
Inspect fans and accessories at least once per month, while in
storage. Log results of inspection and maintenance performed. A
typical log entry should include the following:
a. Date
b. Inspector’s Name
c. Name of Fan
d. Location
e. Condition of Paint or Coating
f. Is moisture present?
g. Is dirt accumulated?
h. Corrective steps taken?
If moisture or dirt accumulations are found on parts, the source
should be located and eliminated. Fans should be rotated at each
inspection by hand ten to fteen revolutions to redistribute the
motor and bearing lubricant.
If paint deterioration begins, consideration should be given to
touch-up or repainting. Fans with special coatings may require
special techniques for touch-up or repair.
Machined parts coated with rust preventive should be restored to
good condition promptly if signs of rust occur. The most critical
items are pulleys, shafts and bearing locking collars. At the rst
sign of rusting on any of the above parts, remove the original
rust preventive coating with petroleum solvent and clean lint-free
cloths. Polish any remaining rust from surfaces with crocus cloth
or ne emery paper and oil. Do not destroy the continuity of the
surfaces. Wipe clean with lint-free cloths and recoat surfaces
evenly and thoroughly with Tectly 506 (Ashland Oil Company) or
equal. For hard to reach internal surfaces or for occasional use,
consider using Tectly 511M Rust Preventive or WD40 or equal.
REMOVING FROM STORAGE
As fans are removed from storage to be installed in their nal
location, they should be protected and maintained in similar
fashion, until the fan equipment goes into operation.
INSTALLATION
1. CAUTION! This unit has rotating parts and safety precautions
should be exercised during installation, operation and
maintenance.
2. WARNING! If gases, other than clean air, are to be
exhausted using the fan, then the user bears the
responsibility of determining that the fan is appropriate
and safe for the application.
3. WARNING! Do not use in hazardous environments
where the fan’s electrical system could provide ignition to
combustible or ammable materials, unless unit is built
specically for the environment.
4. COMMERCIAL KITCHEN EXHAUST APPLICATIONS
Ventilators should be installed in accordance with the
requirements of the National Fire Protection Association
Bulletin NFPA96 “Vapor Removal From Cooking Equipment”
taking specic note of the following:
a. Ducts terminating into the base of an up-discharge
exhaust fan must be constructed of carbon steel not less
than 16MSG (67.47 mm) and extend a minimum of 18”
(457 mm) above the roof surface.
b. Air velocity through the duct not less than 1500 FPM
(7.620 m/s).
c. A minimum of 40” (1016 mm) clearance be maintained
between the exhaust discharge and any roof surface. (To
comply, size 80 to 135 require 24” [610 mm] roof curb.
Size 150 to 200 require 18” [457 mm] roof curb.)
5. FAN INSTALLATION:
WALL MOUNT: If wall mounted, provide an opening
sufcient for enclosing the curb cap. Securely fasten to the
wall through the cap. Fan breather tube should be on the
side of the fan at a 90° angle from vertical. A wall mounting
adapter option is available from the manufacturer. On wall
mounted models the wall bracket is shipped with the fan.
ROOF MOUNT: Roof exhausters should be mounted on a
roof curb suitable for the purpose, either eld fabricated or
prefab type. (Prefab type available as an accessory at extra
cost.) The fan should rest on the curb as level as possible.
When curb is not level (slightly pitched on at roofs) the
down spout drain tting should be located on lowest side of
curb. Securely fasten exhauster to curb using a minimum of
4 lag bolts - one centered each side.
6. CAUTION! Guards must be installed when fan is within
reach of personnel or within eight (8) feet (2.5 m) of working
level or when deemed advisable for safety.
7. IMPELLER-ORIFICE ADJUSTMENT: Turn centrifugal
impeller by hand to make sure it rotates freely. If impeller
hits inlet orice, adjust as follows: Loosen four (4) nuts inside
motor enclosure. Adjust motor laterally to equalize clearance
on all sides of impeller. Tighten four (4) nuts.
8. ELECTRICAL CAUTION: Before proceeding, make sure
electrical service to fan is locked in “OFF” position. Run
wires through the internal wiring post to the motor, to safety
disconnect switch if used. (Restaurant exhaust fans have
wires through breather tube.)
9. All wiring should be in accordance with local ordinances and
the National Electric Code.
FOR EC MOTOR WIRING - CONTACT FACTORY
10. WARNING! Check voltage at the fan to see if it corresponds
with the motor nameplate. High or low voltage can seriously
damage the motor. Extra care should be taken when wiring
to two or three speed motors since improper connections will
damage motor and void motor warranty.
11. Apply power momentarily and compare the rotation of the
impeller with the directional arrow on fan. WHEEL ROTATION
IS CLOCKWISE AS VIEWED FROM TOP OF FAN.
WARNING! Do not operate at speeds higher than shown in
catalog for this equipment. Operation in the wrong direction
will deliver air but will overload the motor to the extent of
blowing fuses, or overload protection and could seriously
damage the motor. In the case of three phase motors, the
direction can be changed by interchanging any two of the
three motor leads. In the case of single phase motors, the
reversing instructions will appear on the wiring diagram in
the motor wiring compartment or on the motor.
12. GREASE TROUGHS AND CURB HINGES are available as
optional accessories. Installation instructions are shipped
with the accessories.
______________________________________________________________________________________________________________________________
2017 © North American Kitchen Solutions
172 Reaser Court
Elyria, OH 44035
www.naksinc.com
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Productinformatie
| Merk | NAKS |
| Model | 10D-500-FF |
| Categorie | Afzuigkap |
| Taal | Nederlands |
| Grootte | 946 MB |
