Assessments - 4, GPA: 3.8
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Facilidade de uso
2 MovingandStorage .......................... 2 Rigging.................................... 2 INSTALLATION .......................... 2–18 General .................................... 2 Uncrating .................................. 2 Accessories................................. 2 UnitPositioning ............................. 9 UnitIsolation .............................. 11 RefrigerantPipingAccess .................... 11 RefrigerantPiping .......................... 11 CondensateDrain........................... 14 FanMotorsandDrives....................... 15 PowerSupplyandWiring .................... 15 ConnectingDuctwork ....................... 17 Return- --AirFilters .......................... 17 START- --UP ................................. 19 SERVICE ............................... 19–32 Panels .................................... 19 FanMotorLubrication....................... 20 FanShaftBearings.......................... 20 CenteringFanWheel ........................ 20 FanShaftPositionAdjustment ................ 20 IndividualFanWheelAdjustment.............. 21 FanBelts ................................. 21 FanRotation............................... 21 FanPulleyAlignment ....................... 21 PulleyandDriveAdjustment.................. 21 CondensateDrains .......................... 21 Return- --AirFilters .......................... 21 CoilRemoval .............................. 22 CleaningCoolingCoil ....................... 22 CleaningInsulation ......................... 22 ReplacingFilters ........................... 22 START- --UPCHECKLIST .................. 35- --36 SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory- --authorized kits or accessories when modifying this product. Refer to the individual instructionspackage Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloths for brazing operations and haveafireextinguisheravailable.Readtheseinstructions thoroughlyandfollowallwarningsorcautionsattachedto the unit. Consult local building codes and appropriate national electrical codes (in USA, ANSI/NFPA70, National Electrical Code (NEC); inCanada, CSAC22.1) forspecialrequirements. Itisimportanttorecognizesafetyinformation.Thisisthe safety- --alertsymbol .Whenyouseethissymbolonthe unit and in instructions or manuals, be alert to the potentialforpersonalinjury. Understand the signal words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety- --alertsymbol.DANGERidentifiesthemostserious hazards which will result in severe personal injury or death.WARNINGsignifieshazardswhichcould resultin personal injury or death. CAUTION is used to identify unsafe practices, which may result in minor personal injuryorproduct andpropertydamage. NOTE is usedto highlight suggestions which will result in enhanced installation,reliability,oroperation. PRE- --INSTALLATION 524J ! WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause in personal injury or death. Before performing service or maintenance operations on unit, always turn off main power switch to unit and install lockout tag. Unit may have more than one power switch. ! WARNING UNIT OPERATION AND SAFETY HAZARD Failure to follow this warning could cause in personal injury,death and/or equipment damage. PuronR (R- -- 410A) refrigerant systems operate at higher pressures than standard R- -- 22 systems. Do not use R- -- 22 service equipment or components on Puron refrigerant equipment. ! WARNING PERSONAL INJURY AND ENVIRONMENTAL HAZARD Failure to follow this warning could cause in personal injury or death. Relieve pressure and recover all refrigerant before system repair or final unit disposal. Wear safety glasses and gloves when handling refrigerants. Keep torches and other ignition sources away from refrigerants and oils. CAUTION! CUT HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts and servicing 524J units. CAUTION! UNIT OPERATION HAZARD Failure to follow this caution could cause equipment damage. Ensure voltage listed on unit data plate agrees with electrical supply provided for the unit. 1. The power supply (v, ph, and Hz) must correspond to that specified on unit rating plate. 2. The electrical supply provided by the utility must be sufficient to handle load imposed by this unit. 3. Refer to Installation, General section (page 2) and Fig. 1 and Fig. 2 for locations of electrical inlets, condensate drain, duct connections, and required clearances before setting unit in place. 4. This installation must conform with local bu...