Trane DFIA, Установка, эксплуатация и обслуживание

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MUA-SVX01A-EN • Direct-Fired Make-up Air
42
Pre Start-up
The owners representative or equipment operator should be present during
start-up to receive instructions on care and adjustments of the equipment.
All equipment has been factory tested, adjusted, metered and inspected to meet
conditions set at the time the order was placed. Only minimal adjustments
should be required. All information in this service manual is typical. All products
are semi-custom and changes may occur.
WARNING
Hazardous
Service
Procedures!
The maintenance and trouble shooting procedures recommended in this section
of the manual could result in exposure to electrical, mechanical or other
potential safety hazards. Always refer to the safety warnings provided
throughout this manual concerning these procedures. When possible,
disconnect all electrical power including remote disconnects and discharge all
motor start/run capacitors before servicing. Follow proper lockout/tagout
procedures to ensure the power can not be inadvertently energized. When
necessary to work with live electrical components, have a qualified licensed
electrician or other individual who has been trained in handling live electrical
components perform these tasks. Failure to follow all of the recommended
safety warnings provided, could result in death or serious injury.
Inspection
This inspection is very important and should be completed with greatest care
given to detail. A good pre-start inspection will ensure against possible unit
damage on start-up and will save valuable analysis time.
1. Check that the physical condition of the unit’s exterior is acceptable.
2. Check that the insulation inside of the unit is properly secured.
3. Remove all shipping blocks, brackets and bolts from the supply fan base with
optional isolation base.
4. Check all wiring for loose connections and tighten if necessary.
5. Inspect all fan and motor bearings and lubricate if necessary.
CAUTION
Equipment
Damage!
Do not rupture grease seals. This could expose the equipment to excessive
pressure and damage.
6. Inspect pulleys and belts for tightness, tension and alignment. Do not
overtighten belts.
7. Check set screws on all bearings, pulleys and fans for tightness.
8. Check voltage supplied to disconnect switch; the maximum voltage variation
should not exceed ±10%. Phase voltage unbalance must not exceed 2%.
9. Check thermostat(s) for normal operation.
10. Check the system duct work is installed and free from obstructions.
11. Check the fans turn free in housing.
Pre-Start-Up Check List