30RHV Air-cooled water refrigerating unit assembly For operation and maintenance instructions of this unit as well as installation instructions of the indoor unit, refer to the relevant manuals. Contents Page Dimensions and weight ......................... Technical data ..........................Minimum clearances ........................Electrical data ..........................
30RHV Dimensions and weight Mod. 30RHV 006 - 008 Mod. 30RHV011 30RHV Mod. 1264 Electrical cables inlet Table II: Technical data 30RHV Unit 011---7 011---9 Unit capacities and power input (compressor and Power input Cooling conventional pump watts) are based on: Heating Cooling: Compressor type...
30RHV Minimum clearances E N G L I S H Mod. 30RHV 006 - 008 - 011 Table III: Electrical data 30RHV Unit Power supply V - ph - Hz 230-1-50 230-1-50 230-1-50 400-3-50 Locked rotor amps Full load amps Delayed fuses (class gL) power supply protection Section of the power...
30RHV General information E N G L I S H Unit installation Choosing the installation site R-410A unit operate at higher pressures than standard Positions to avoid: R-22 units. Do not use R-22 service equipment or components • Exposed to direct sun. of units for R-410A equipment.
30RHV Warnings: avoid..Predominant head winds. Any obstruction of the unit air outlet and intake or any obstacle that is too close (see minimum clearances required). Installation on grassy ground or soft surfaces (in these cases a solid foundation must be included). Multiple unit installation with units facing each other.
30RHV Water connections E N G L I S H Water connections 1 Unit water outlet Ø 1” F Gas 2 Unit water inlet Ø 1” F Gas 3 Drain 4 Air purge Water circuit: recommended wiring Field supplied Brazed plate heat exchanger piping Closed expansion...
30RHV Connections and water circuits Correction factors for ethylene glycol To reduce to minimum system pressure drop it is necessary: - to reduce number of bends; - to avoid elbow bends; Ethylene glycol - to reduce the system extension to a minimum; Freezing - to use pipes of the correct diameter.
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30RHV Electrical connections - single-phase models E N G L I S H 5 6 . . 1 2 3 4 ..FUSE FUSE Terminal block legend Earth Live power supply Neutral power supply Control board ² Unit electrical panel Terminal block legend, single-phase models Terminal blocks...
30RHV Electrical connections - three-phase models 1 2 3 4 ..FUSE FUSE Terminal block legend, three-phase models Earth. Live power supply. Live power supply. Live power supply. Live power supply. Neutral power supply. S1 ON/OFF switch S2 HEAT/COOL switch NOTE: The contact rating must be greater than >...
30RHV Water - refrigerant heat exchanger E N G L I S H Evaporator Condenser Water inlet Water inlet Chilled water outlet Chilled water outlet Refrigerant Liquid + Gas Liquid • The unit includes a brazed plate water-refrigerant heat CAUTION: In winter water frost may damage the unit. exchanger.
30RHV Check the refrigerant charge • This check becomes necessary after any refrigerant leak or after • R-410A refrigerant cylinders contain a dip tube which allows the refrigeration circuit has been switched off to replace a liquid refrigerant to flow from the cylinder in an upright component.
30RHV Diagnostics E N G L I S H The electronic control on the machine continuously monitors its WARNING: operation. In the event of a malfunction, it activates a relay whose manual resetting causes the definitive loss of the alarm code; contact generates a coded alarm signal.
30RHV Troubleshooting and guide for the owner Troubleshooting • Fan does not stop during defrost periods (when heating with heat pump models); check electrical connections. Unit compressor and fan will not start: • Defective defrost probe (heating with heat pump models); •...
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L010126H28 - 1005 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice. October, 2005. Supersedes January, 2005. Printed in Italy...
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