INSTALLATION REQUIREMENTS Piping Piping Insulation Use clean sealed refrigeration grade piping. Suction Liquid ii. Pipe to be cut ONLY with a pipe cutter. iii. Use long radius bends (2 x pipe dia.) iv. Insulate the suction (gas) line, seal all insulation joints and insulate the liquid lines on all units with EEV's in outdoor unit.
For further information on measuring Superheat, visit our website. Commissioning Each outdoor unit is supplied with a Commissioning Sheet to assist installers completing the Start Up Procedure outlined in the Installation & Maintenance Refrigerant Pipe Sizes pamphlet. The sheet includes a pulley adjustment guide for belt driven indoor Suction/Liquid line sizes given in the following tables are interconnecting pipe units if applicable. We recommend you complete the form, send a copy to sizes and are not necessarily the same size as the pipe stub connections exiting temperzone and keep the original yourself for possible future reference. the Indoor or Outdoor unit. On any unit with variable capacity compressors, do not oversize the Manufacturer's Note interconnecting piping as this will reduce the refrigerant velocities significantly The manufacturer reserves the right to make changes at any time without notice with the associated danger of not returning the oil to the compressor. or obligation. Should any instruction in this guide conflict with any Installation & Maintenance pamphlet supplied with a unit, then the most recently dated publication should be considered correct.
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(R410A) Line Length g/m Beyond Additional Oil Suction Liquid (R410A) ml/m Oil Type OSA 66RKS Scroll ZP24 KSE-PFZ 3.15 None up to 40 POE 32-3MAF (or equivalent) OSA 87RKS Scroll ZP31KSE-PFZ 3.65*** None up to 40 POE 32-3MAF (or equivalent)
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Table 2 SPLIT SYSTEM PIPING REQUIREMENTS ( Units Supplied Pre-Charged ) Standard Unit Limitations Common to Both Standard & Extended Line Lengths Extended Line Lengths Approximate Maximum Vertical Separation Refrigerant Charging Oil Charging Performance Outdoor Unit Indoor Unit Precharge Additional Maximum Loss Max Line above above for 10m Line...