Daikin Enfinity Installation And Maintenance Manual

Daikin Enfinity Installation And Maintenance Manual Manual pdf 2 page image

IM 1059-12 LARGE VERTICAL WSHP 2 www.DaikinApplied.comModel Nomenclature 3Prior To Installing 4Receiving and storage . . . . . . . . . . . . . . . . . . . . . . . . 4Pre-installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Installation Considerations 5Unit location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Fan deck arrangements . . . . . . . . . . . . . . . . . . . . . . . 5Vibration isolators . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Air balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Sheave Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Ductwork and attenuation . . . . . . . . . . . . . . . . . . . . . . 9Ventilation air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Accessory 2" deep filter rack kit with return air ductflange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Unit Installation 12Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Condensate Drain Connection . . . . . . . . . . . . . . . . . 13Typical Piping With Optional Waterside Economizer 14Typical WSE field provided and installed jumper pipingrouting details –LVC/LVW– sizes 072-120,right-hand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16LVC/LVW – sizes 072-120, left-hand. . . . . . . . . . . . . 17Typical WSE field provided and installed jumper pipingrouting details –LVC/LVW– sizes 180-290,right-hand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18LVC/LVW – sizes 180-290, left-hand. . . . . . . . . . . . . 19Water System Quality . . . . . . . . . . . . . . . . . . . . . . . . 20Cleaning & flushing system. . . . . . . . . . . . . . . . . . . . 21Operating limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Antifreeze correction factors . . . . . . . . . . . . . . . . . . . 23Start-Up 24Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Control options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26MicroTech® III controller . . . . . . . . . . . . . . . . . . . . . . 27MicroTech III unit controller and I/O expansion moduleterminals, locations and descriptions . . . . . . . . . . . . 30MicroTech® III controller with L onWorks® or BACnet®communication module . . . . . . . . . . . . . . . . . . . . . . . 33Typical Wiring Diagrams 34MicroTech III controller with I/O expansion module withhot gas reheat (HGRH) 208/230, 460, 575-60-3 (1.5hp or less) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34MicroTech III controller with I/O expansion modulewith hot gas reheat (HGRH) 208/230, 460, 575-60-3(greater than 1.5 hp) . . . . . . . . . . . . . . . . . . . . . . . . . 35MicroTech III controller with I/O expansion module –with waterside economizer (WSE) 208/230, 460, 575-60-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36MicroTech III controller with I/O expansion module –with waterside economizer (WSE) 208/230, 460, 575-60-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Thermostats & Wall Sensors 38Typical Connections For Thermostats & TemperatureSensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Thermostats & Wall Sensors 40Additional Accessories 41Troubleshooting 42MicroTech III unit controller and I/O expansion modulestatus LED's and fault outputs. . . . . . . . . . . . . . . . . . 42MicroTech III unit controller LED faults and remedy . 43I/O expansion module LED faults and remedy . . . . . 45Additional troubleshooting for size 290 only . . . . . . . 46Troubleshooting water source heat pump units . . . . 47General Maintenance 49Typical Refrigeration Cycles 50Water source heat pump equipment check, test andstart form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53C ontents