– Modular Air-cooled Inverter Scroll Chiller RC(H)UA-AVSY Series – Johnson Controӏs - Hitachi Air Conditioning ADDRESS New Pier Takeshiba South Tower 1-16-1, Kaigan Minato-ku, Tokyo 105-0022, JAPAN Tel: +81-3-6721-5567 www.jci-hitachi.com HITACHI. CERTIFIED QUALITY The specifications of this catalog may change without prior notice to allow Hitachi Cooling & Heating to incorporate the latest innovations for its customers. The information contained in this catalog is merely informative. Hitachi Cooling & Heating declines any responsibility in the broadest sense, for damage, direct or indirect, arising from the use and / or interpretation of the recommendations in this catalog. Find the products Hitachi Cooling & Heating with the best service and conditions at your Hitachi Distributor.

DC VARIABLE-FREQUENCY SMART SERIES 02

Modular Design to Provide Optimized Building Footprint reduced by 28% when compared with previous model* * AVMY series Less space is required when combining several modular units Quiet OperationRuns quiet at both full load & partial loadUltra-quiet operation mode is available as an option Solutions Exceptional efficiency from a smaller footprint that permits flexible combinations Y: Export Unit S: Smart Series V: Variable Speed Chiller A: Air-cooled Unit RCU: Cooling Only Unit RHU: Heat Pump Unit Operating Range 4 models. Can support up to 16 units per system. Cooling Heating Model Capacity (kW)...

Hitachi DC Inverter Compressor Superior Performance COP up to 3.0 IPLV 6.06 Precise Capacity Control • 40 years of experience in scroll compressor design and production • Features the latest technology for exceptional performance all year round • Delivers stepless capacity control from 25% to 100%, allowing precise capacity matching for building loads and reducing the unit's power input Optimized by reducing leakage and invalid suction superheat Non-Contact Seal Design Oil film seal formed by lubricating oil to diminish friction for higher efficiency and reliability Reduce over-heat losses and...

PRODUCT FEATURES Easy installation and maintenance Simple A/C System Easy maintenance Small size / weight per module, easy to ship, lift and store Non-stop service Failed unit could be disconnected without system operation interruption Precise capacity control Quick reaction and wider adjustment range Electronic Expansion Device Precise 500 steps flow resolution Adjust the volume of refrigerant accurately and allow dynamic super heating exchange to ensure steady operation. Simple installation: no cooling tower, condensing pump or piping Can be transported independently without large lifting equipment...

Optimized Control Logic Intelligent Control Central Controller (Optional) • Automatically adjusts number of units operating as per operating frequency • By optimizing operating frequency and controlling steps keeps units running under partial load conditions to improve efficiency • Flexible operating frequency and control steps enable the unit working efficiently 6 Steps Ensure precise capacity output matches the building load according to the difference between actual water temperature and targeted water temperature. Ensures optimal response speed for the building's load change, delivering precise...

1. Nominal cooling mode: water heat exchanger entering/leaving water temperature 12.2/6.7°C, outdoor air temperature 35°C. 2. Nominal heating mode: water heat exchanger entering/leaving water temperature 40/45°C, outdoor air temperature 7°C. 3. Water-side heat exchanger fouling factor 0.018m2K/kW. 4. Main power supply: 380V-3Ph-50Hz/415V-3Ph-50Hz/380V-3Ph-60Hz. DC VARIABLE-FREQUENCY SMART SERIES 12

Water inlet and outlet side (Reserved square hole: 100×100mm) Foundation bolt (4N-M12×100) Electric cabinet side Water inlet and outlet side (Reserved square hole: 100×100mm) Location of the unit is marked with dashed box Pour cement mortar after positioning of the unit Location of the unit is marked with dashed box Electric cabinet side Pour cement mortar after Steel Plate Dimensional Drawing (Not to Scale) Field Supplied Foundation installation detail drawing (not to scale) Vibration attenuation rubber mat Unit side Spring washer Vibration attenuation rubber mat Applicable models Heat Pump...

INSTALLATION – Pipe Connection Diagram Single modular Water outlet Water inlet Multi-modulars combination (up to 16nos can combine freely) Module No. (n) Module No. (n) Ø 9 blind hole to be made here, and the total outlet temperature sensor for No. 1 address module transferred here Water inlet Water outlet Water Water Ø9 blind hole to be made here, and the total inlet water pump flow temperature sensor for No. 1 address module transferred here switch Note 1. The unit shall supply the water inlet and outlet temperature sensor, and the user shall arrange them according to the on-site condition....