Carrier Aquaforce 30XA302 Installation, Operation And Maintenance Instructions

Also see for Aquaforce 30XA Series: Installation instructions Operation instructions User guide

Contents

54Unit start-upa. Oil heaters have been energized for at least 24 hours (30XA)b. Oil level is correctc. All discharge and liquid valves are opend. All suction valves are open, if equippede. All oil line valves and economizer discharge bubbler valves (if equipped) are openf. The contactorg. Checks have been carried out for any possible leaks. Unit has been leak checked (including fittings)g1 - on the whole unitg2 - at all connectionsLocate, repair, and report any refrigerant leaks..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................h. Check voltage imbalance: AB ........ AC ................. BC..................Average voltage = .......................... VMaximum deviation = .................... VVoltage imbalance = ....................... %i. Voltage imbalance is less than 2%WARNING: Operation of the chiller with an improper supply voltage or excessive phase imbalance constitutes abuseand will invalidate the Carrier warranty. If the phase imbalance exceeds 2% for voltage, or 10% for current, contact yourlocal electricity supply at once and ensure that the chiller is not switched on until corrective measures have been taken.Check cooler water loopWater loop volume = .......................... litresCalculated volume = .......................... litres3.25 litres/nominal kW capacity for air conditioning6.5 litres/nominal kW capacity for process coolingProper loop volume establishedProper loop corrosion inhibitor included .........litres of ...........................Proper loop freeze protection included (if required) ................ litres of ..............................Piping includes electric heater tape, if exposed to the outsideInlet piping to cooler includes a 20 mesh strainer with a mesh size of 1.2 mmCheck pressure drop across the coolerEntering cooler = ................................ kPaLeaving cooler = ................................. kPaLeaving - entering = ........................... kPaWARNING: Plot cooler pressure drop on performance data chart (in product data literature) to determine total litresper second (l/s) and find unit’s minimum flow rate.Total = .................................................. l/sNominal kW = .................................... l/sTotal l/s is greater than unit’s minimum flow rateTotal l/s meets job specified requirement of......................................... l/sWARNING: Once power is supplied to the unit, check for any alarms. Refer to the 30XA/30XAS/30XW Touch Pilotcontrol manual for the alarm menu.Note all alarms:............................................................................................................................................................................................................................................................................................................................................................Notes:............................................................................................................................................................................................................................................................................................................................................................................

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