Daikin VRV II Series User Manual Download | Manualshive

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technical data

Systems

VRVII & VRV-WII Features

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Summary of Contents for VRV II Series

Page 1: ...technical data Systems VRVII VRV WII Features...

Page 2: ...ty VRVII VRV WII 6 Low operation sound level VRVII 7 Operation range of outdoor temperature VRVII 8 3 High reliability Nr 1 anti corrosion treatment VRVII 9 Double back up function VRVII 10 Duty cycli...

Page 3: ...sary VRVII 16 Unified REFNET piping VRVII 17 Increased installation flexibility VRVII 17 High external static pressure 6mm H2O VRVII 17 4 way piping connection VRVII VRV WII 17 Downsizing refrigerant...

Page 4: ...n comparison with outdoor units capacity 5 HP outdoor units use inverter control compressors only 5HP Outdoor Unit Large Load Small 100 24 Inverter Control 210Hz 52Hz 20 Steps Compressor Capacity Cont...

Page 5: ...multiple compressors clearly results in minimum switching losses and power surges because of the overlap in capacity and frequency Since Daikin utilises small 5HP inverter compressors the influence of...

Page 6: ...acity indoor unit the bypass valve is controlled ON OFF with capacity control being executed at a minimum of 14 for a 5HP outdoor unit when operating one 20 class indoor unit or a minimum of 8 for 8 a...

Page 7: ...tdoor air close to indoor air conditions recovers energy loss realises considerable reduction of air conditioning capacity The heat exchanger modulates the humidity and temperature of incoming fresh a...

Page 8: ...ime can be input VRV WII Water cooled air conditioning can be acceptable in certain critical areas in which the operating sound of air cooled air conditioning could be a little intrusive This results...

Page 9: ...cooling only heat pump series to operate at outdoor ambients down to 5 C in cooling mode and down to 20 C in heating mode VRV WII Wide operating range of the water cooled units between 10 C 45 C both...

Page 10: ...test SS DIN 50021 96 hours humidity cycle test KFW DIN 50017 48 hours room temperature room humidity testing period 5 cycles contents of 1 cycle 48 hours according to DIN50018 0 21 testing period 40 c...

Page 11: ...s equalises compressor duty and extends operating life 3 4 Special oil equalising technology The incorporation of this technology ensures that the optimum quantity of oil is contained in each outdoor...

Page 12: ...vative application of new technology and the latest HFC refrigerants to its VRV product programmes 4 4 Less waste and improved re cycling VRVII The lead free soldered PCB obviates environmental contam...

Page 13: ...r living environment 5 3 Year round cooling and or heating VRVII VRV WII Designed to provide simultaneous year round cooling and or heating VRVII heat reovery systems are modular in concept and are th...

Page 14: ...ight can exist between the VRV WII and indoor units Water piping does not intrude on the occupied spaces so there are no leakage problems 40m if the VRV WII is below the indoor units NOTES 1 In this c...

Page 15: ...ages are possible 1 Expert mode Once the cooling and heating loads in the different rooms have been calculated the software will select the most appropriate system plus an estimate of the power consum...

Page 16: ...n of the project 6 2 Dramatic reduction in installation space VRVII VRVII features a dramatic reduction in installation space for example the 16hp outdoor unit is housed in a single casing outdoor uni...

Page 17: ...of a building in a commercial elevator overcoming site transportation problem particularly when outdoor units need to be installed on each floor 6 4 No structural reinforcement necessary VRVII The gal...

Page 18: ...ere refrigerant distribution is far from optimal the Daikin REFNET joints have specifically been designed to optimise refrigerant flow 6 6 Increased installation flexibility VRVII Outdoor units can be...

Page 19: ...liquid and gas pipe diameters Reduced piping costs thanks to modular design Smaller diameter liquid and gas piping contributes to a reduction in installation space and installation costs based on a 24...

Page 20: ...ring and piping This function identifies and alerts system errors by means of on off LEDs on the outdoor unit s PC boards 6 13 Simplified wiring VRVII VRV WII A simple 2 wire non shielded multiplex tr...

Page 21: ...fed from the front panel both left and right side panels or bottom panel of the outdoor unit 6 16 Auto address setting function VRVII VRV WII Allows wiring between indoor and outdoor units as well as...

Page 22: ...pertains to quality assurance regarding design development manufacturing as well as to services related to the product Daikin units comply with the European regulations that guarantee the safety of th...

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