AHI Carrier Catalog | Page 179

AIR-COOLED LIQUID CHILLERS 30XA 252-1702 Options Use for 30XA range Options No. Description Advantages Corrosion protection, traditional coils Corrosion protection, traditional coils Medium-temperature brine solution 2B Improved corrosion resistance, recommended for industrial, rural and marine environments Improved corrosion resistance, recommended for moderate marine and urban environments Covers specific applications such as ice storage and industrial processes 252-1702* Low-temperature brine solution 6 Covers specific applications such as ice storage and industrial processes 252-1702* Unit equipped for air discharge ducting IP54 control box 10 Factory application of Blygold Polual treatment on the copper/aluminium coils Fins made of pre-treated aluminium (polyurethane and epoxy) Implementation of new algorithms of control and evaporator redesign to allow chilled brine solution production down to -6 °C when ethylene glycol is used (-3 °C with propylene glycol) Implementation of new algorithms of control and evaporator redesign to allow chilled brine solution production down to -12 °C when ethylene glycol is used (-8 °C with propylene glycol) Fans equipped with discharge connection flanges - maximum available pressure 60 kPa Increased leak tightness of control boxes Facilitates connections to the discharge ducts 252-1702* Tropicalisation of the electrical box 22 Grilles and enclosure panels 23 Enclosure panels 23A Winter operation down to -20 °C Evaporator frost protection Evap.and hydraulic mod. frost protection Total heat recovery 28 Master/slave operation 58 Single power connection point Service valve set 81 41A 41B 50 92 Compressor discharge 93A valves Evaporator with one pass 100A more Evaporator with one pass 100C less 21 bar evaporator 104 Reversed evaporator 107 water connections HP single-pump hydronic 116B module HP dual-pump hydronic module 116C LP single-pump hydronic module 116F LP dual-pump hydronic module 116G * ** C 252-1702 Evaporator with one pass more on the water side Optimise chiller operation when the chilled water circuit is designed with low waterflows (high delta T evaporator inlet/oulet) Easy to install, depending on site. Reduced pressure drops Covers applications with a high water column evaporator side (typically high buildings) 252-1702 Easy installation on sites with specific requirements Complete hydronic module equipped with water filter, Plug & play approach expansion tank with relief valve, one high pressure pump, drain valve and water flow control valve. For more details, refer to the dedicated chapter Complete hydronic module equipped with Plug & play approach. Increased system reliability water filter, expansion tank with relief valve, two high pressure pumps, drain valve and water flow control valve. For more details, refer to the dedicated chapter Complete hydronic module equipped with water filter, Plug & play approach expansion tank with relief valve, one low pressure pump, drain valve and water flow control valve. For more details, refer to the dedicated chapter Complete hydronic module equipped with water Plug & play approach. Increased system reliability filter, expansion tank with relief valve, two low pressure pumps, drain valve and water flow control valve. For more details, refer to the dedicated chapter 252-1702 Evaporator with one pass on the water side. Evaporator inlet and outlet on opposite sides. Reinforced evaporator for extension of the maximum water-side service pressure to 21 bar (standard 10 bar) Evaporator with reversed water inlet/outlet COOLING Protects the inside of the electrical box from dusts and sand. In general this option is recommended for installations in polluted environments Electrical box equipped with an electrical Grant safe operation in typical "tropical" climate. heater and a fan. Electrical connections on the This option is recommended for all applications compressors painted with a special varnish and where humidy inside the electrical box can reach covered with an anti-condensation foam. 80% at 40 °C and unit can remain in stand-by for a long time under this conditions. Metal grilles on the 4 unit sides, plus side Improves aesthetics, protection against intrusion enclosure panels at each end of the coil to the unit interior, coil and piping protection against impacts. Side enclosure panels at each end of the coil Improves aesthetics, coil and piping protection against impacts. Fan speed control via frequency converter Stable unit operation for air temperature down to -20 °C Electric resistance heater on the evaporator and Evaporator frost protection down to -20 °C discharge valve outside temperature Electric resistance heater on evaporator, discharge Evaporator and hydronic module frost protection valve and hydronic module down to -20 °C outside temperature Unit equipped with additional heat exchanger in Production of free hot-water simultaneously with parallel with the condenser coils. chilled water production Unit equipped with supplementary water outlet Optimised operation of two chillers connected in temperature sensor kit to be field-installed parallel with operating time equalisation allowing master/slave operation of two units connected in parallel Quick and easy installation Unit power connection via one main supply connection Allow isolation of various refrigerant circuit Liquid line valve (evaporator inlet), compressor suction and discharge line valves and economiser components for simplified service and line valve maintenance Shut-off valve on the compressor discharge piping Simplified maintenance 252-1702 252-1702 252-1702 252-1702 252-1702 HEATING HEATING 20A 252-1702* 252-1702 252-1702* 252-1702 1112-1502 252-1702 252-1702 AIR TREATMENT 5 252-1702* 252-1002 252-1702 252-1702** 252-1702** 252-1702** CONTROLS 3A 252-1702** Not available for the sizes 504, 854, 904. Not available for the size 504. A R R I E R 2 0 1 6 / 2 0 1 7 179