Water Chillers - The range CH and RPW series
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1 Water Chillers - The range CH and RPW series PIOVAN S.p.A. Cooling Centre 1 (1) Piovan Chiller Range Piovan Spa Modification reserved
2 Water chillers A dedicated Cooling Centre Integration with other Piovan auxiliaries Range of products: single units, centralised systems, special solutions. (2) Piovan Chiller Range Piovan Spa Modification reserved
3 A complete range Air Cooled Chillers CH 50 CH 900 CH 1300 CH 4800 : kw : kw T amb = 25 C and T out H2O = 15 C). Water Cooled Chillers RPW 1600 & RPW 3200: kw T out Cond = 36 C and T out H2O = 5 C). (3) Piovan Chiller Range Piovan Spa Modification reserved
4 CH 50 CH 900 Water Chillers - The range CH and RPW series PIOVAN S.p.A. Cooling Centre 4 (4) Piovan Chiller Range Piovan Spa Modification reserved
5 CH 50 CH 900 Cooling capacity: Refrigerant gas: from 6.6 to kw from 5,700 to 93,300 kcal/h R407C (R22 as option) R134A on request Ambient conditions: up to 40 C (CH 50 CH 480) up to 46 C (CH 700 and CH 900). up to 50 C on request. CHW: water cooled models available on request (5) Piovan Chiller Range Piovan Spa Modification reserved
6 Standard features External frame and panels made of galvanised steel coated with epoxy polyester paint Scroll compressors Thermostatic expansion valve Finned copper tube condenser Brazed plate type evaporator (CH 50 CH 480) Shell and tube evaporator (CH CH 900) CH 50 - CH 90 (6) Piovan Chiller Range Piovan Spa Modification reserved
7 Standard features Internal galvanised water tanks Automatic water make-up Water air vent valve High performance stainless steel water pumps Water by-pass valve Microprocessor control Contacts for general alarm and remote control functions Castors (CH 50 - CH 90) CH CH 480 (7) Piovan Chiller Range Piovan Spa Modification reserved
8 Optional features Hot gas by-pass for more precise outlet water temperature (up to CH 480) Y-type water filter Outdoor installation version (CH CH 900) CH CH 900 (8) Piovan Chiller Range Piovan Spa Modification reserved
9 Scroll compressors Top performance and reliability: Compact dimensions Extremely low energy consumption Low noise level No risk of liquid refrigerant damaging the compressors Low maintenance High MTBF time (9) Piovan Chiller Range Piovan Spa Modification reserved
10 Safety devices High and low pressure switches and gauges Antifreeze temperature switch Differential water pressure switch (CH 50 CH 480) Water flow switch (CH CH 900) Electronic phase, sequence and voltage level control (on request) Washable metal condenser filters Compressor/pump/fan circuit breakers Water circuit safety valve (10) Piovan Chiller Range Piovan Spa Modification reserved
11 Microprocessor control CH 50 CH 480 CH CH 900 (11) Piovan Chiller Range Piovan Spa Modification reserved
12 Easy to install and to operate Delivered ready for installation Easy to connect Simplified positioning Easy access to the electrical panel Facilitated Start-up circuit design capable of accepting up to +20 C water return temperature no need for lengthy compressor pre-heating for indoor installation Water make up kit (pressure gauge, drain and bleed valves) to facilitate the chiller automatic filling. (12) Piovan Chiller Range Piovan Spa Modification reserved
13 Full access CH 50 CH 480 (13) Piovan Chiller Range Piovan Spa Modification reserved
14 Full access CH CH 900 (14) Piovan Chiller Range Piovan Spa Modification reserved
15 Weatherproof version outdoor version for CH 700 and CH 900 on request: special weatherproof controls anti-condensation heater and forced cooling in the control box automatic fan speed control device the automatic variation in the number of turns of the fan motor, maintains the condensation temperature at a constant, independent of any variation in the ambient temperature glycol make-up system available where ambient temperature below +2 C. (15) Piovan Chiller Range Piovan Spa Modification reserved
16 Air ducting short-length air ducting: Standard with axial fans (also allowing heat recovery) long-length air ducting: on request on CH with centrifugal fans (16) Piovan Chiller Range Piovan Spa Modification reserved
17 CH 50 CH 900 the range Modification reserved (17) Piovan Chiller Range Piovan Spa Modification reserved
18 CH 50 CH 280 technical data Modification reserved (18) Piovan Chiller Range Piovan Spa Modification reserved
19 CH 380 CH 900 technical data Modification reserved (19) Piovan Chiller Range Piovan Spa Modification reserved
20 CH 50 CH 900 cooling capacity (20) Piovan Chiller Range Piovan Spa Modification reserved
21 CHW water-cooled chillers Water cooled condenser Side and top panels Brazed plate heat exchanger (up to CHW 480) Shell and tube heat exchanger (CHW CHW 900) (21) Piovan Chiller Range Piovan Spa Modification reserved
22 CH 1300 CH 4800 Water Chillers - The range CH and RPW series PIOVAN S.p.A. Cooling Centre 22 (22) Piovan Chiller Range Piovan Spa Modification reserved
23 CH 1300 CH air-cooled units with: Hermetic Scroll compressors (CH ) Semi-hermetic reciprocating compressors (CH ) Insulated shell and tube evaporators Finned type condensers Axial or centrifugal fans CH 1300 CH 1800 (23) Piovan Chiller Range Piovan Spa Modification reserved
24 High Ambient Temperature Two version available: Standard Temperature (MT) up to 40 C ambient temperature High Temperature (HT) up to 46 C ambient temperature (CH CH 3200) CH 2300 CH 4800 (24) Piovan Chiller Range Piovan Spa Modification reserved
25 Operating conditions Chilled water outlet temperature Max inlet water temperature from + 5 C to max + 20 C (other temperature on request) +25 C Max ambient temperature Minimum ambient temperature Relative ambient humidity +40 C (MT), +46 C (HT) (higher temperature on request) up to -5 C (from -5 C to -20 C on request) from 35% to 95% Max. water working pressure 10 bar.g (25) Piovan Chiller Range Piovan Spa Modification reserved
26 Installation All the models are designed to be installed OUTDOOR external frame and panels made of galvanised steel coated with epoxy polyester paint IP55 electric board Microprocessor control for outdoor installation. Optional version for INDOOR installation Special designed centrifugal fans for long ducting systems (26) Piovan Chiller Range Piovan Spa Modification reserved
27 Respect for the environment ALL the units are using strictly eco-compatible refrigerants R407C as standard HFC with no ODP (Ozone Depletion Potential) R134a on request HFC with no ODP R22 on request - where allowed HCFC with ODP = (27) Piovan Chiller Range Piovan Spa Modification reserved
28 Compressors On CH CH 1800 Fully hermetic Scroll compressors, 2 tandem units installed in parallel High volumetric efficiency Low power consumption Low inrush current Low noise level 2 independent refrigerating circuits Cooling capacity automatically modulated in 4 steps Crankcase heaters (28) Piovan Chiller Range Piovan Spa Modification reserved
29 Compressors On CH 2300 CH 4800 Semi-hermetic reciprocating compressors, 1 for each circuit. Each compressor is fitted with: Service valves on suction and discharge points for easier maintenance operations Vibration absorber flexible pipe on suction and discharge points to avoid vibrations. oil differential pressure switch crankcase heater (29) Piovan Chiller Range Piovan Spa Modification reserved
30 Cooling steps CH CH independent refrigerating circuits Cooling capacity automatically modulated in 4 steps CH CH independent refrigerating circuits Cooling capacity automatically modulated in 6 steps (30) Piovan Chiller Range Piovan Spa Modification reserved
31 Finned type condensers Modular structure: each module is composed of 2 V shaped finned coils More sturdy during handling Easy maintenance Less working space Substitution is easier: less time and cost Copper pipes and manifolds Aluminium fins Coil metal filter & grilles reducing dust accumulation Copper-copper version on request for aggressive environments (31) Piovan Chiller Range Piovan Spa Modification reserved
32 Finned type condensers (32) Piovan Chiller Range Piovan Spa Modification reserved
33 Condenser fans Two axial fans for each refrigerating circuit Fans step control for each refrigerating circuit (standard for version down to -5 C). Modulating fan speed control (For low temperature version down to -25 C Centrifugal fans available as option (33) Piovan Chiller Range Piovan Spa Modification reserved
34 Evaporators Shell and tube evaporators with 2 circuits (CH CH 3200) and 3 circuits (CH CH 4800) Completely insulated External protection from UV-rays Antifreeze electrical heater for the evaporators on request (electrical power supply must be guaranteed all the time) Thermostatic valve on each refrigerating circuit (34) Piovan Chiller Range Piovan Spa Modification reserved
35 Built-in Pump and tank Built-in Pump Standard 3 bar pump on CH On request on CH4100 and CH4800 Built-in Tank Standard 600 litres on CH 1300 CH 1800 Standard 750 litres on CH 2300 CH 3200 On request on CH4100 and CH4800 (35) Piovan Chiller Range Piovan Spa Modification reserved
36 Electrical panel Main switch Compressors, fans and pumps circuit breaker switches Microprocessor control Forced ventilation Anti-condensation heater IP 55 cabinet protection (36) Piovan Chiller Range Piovan Spa Modification reserved
37 Controls Electronic phase, sequence and voltage level control Electrical protection devices (over voltage protection) Cooling capacity reduction when maximum condensation pressure is exceeded. Thermally driven electrical element for low temperature working conditions (standard for low temperature version). (37) Piovan Chiller Range Piovan Spa Modification reserved
38 Control and display Microprocessor control: Alpha-numeric LCD display user-friendly keyboard to: set working parameters record alarm storyboard Chiller status readout with: alarm messages physical measures (temperatures, condensing pressure) Remote control available on request (38) Piovan Chiller Range Piovan Spa Modification reserved
39 Footprint CH CH 1700 (39) Piovan Chiller Range Piovan Spa Modification reserved
40 Footprint CH CH 2700 MT (40) Piovan Chiller Range Piovan Spa Modification reserved
41 Footprint CH HT CH MT (41) Piovan Chiller Range Piovan Spa Modification reserved
42 Electrical Power Supply 400/3/50 (standard) 460/3/60 (standard) Others on request (42) Piovan Chiller Range Piovan Spa Modification reserved
43 Available Options Low Ambient Temperature Version down to -20 C Centrifugal fans Fan speed regulation control Remote Control Anti-ice electrical heater for the shell and tube evaporators Heating elements with thermostat Copper-copper condensers Vibration dampers absorber Customised colours (43) Piovan Chiller Range Piovan Spa Modification reserved
44 RPW Series Water Chillers - The range CH and RPW series PIOVAN S.p.A. Cooling Centre 44 (44) Piovan Chiller Range Piovan Spa Modification reserved
45 RPW range Cooling capacity: from 160,000 to 320,000 kcal/h Refrigerant gas: R22 or R407C Especially designed for quick mould changes or other applications where glycol is not permitted. Indoor installation closed-loop pressurised system independent reservoir tank and pumps Glycol make-up water kit for cooling towers when ambient temperatures below 0 C. (45) Piovan Chiller Range Piovan Spa Modification reserved
46 Main components Semi-hermetic alternative compressor Shell-and-tube evaporator Shell-and-tube condenser Centrifugal pump Microprocessor control Pressostatic valve to prevent low condensation temperature (46) Piovan Chiller Range Piovan Spa Modification reserved
47 RPW control Microprocessor control: Alpha-numeric LCD display user-friendly keyboard to: set working parameters record alarm storyboard Remote control available on request (47) Piovan Chiller Range Piovan Spa Modification reserved
48 System components Water Chillers - The range CH and RPW series PIOVAN S.p.A. Cooling Centre 48 (48) Piovan Chiller Range Piovan Spa Modification reserved
49 Piovan cooling systems components Free-cooling systems: water-air heat exchangers and axial fan(s) in a compact unit with dedicated control panel. No water consumption not pollution External cooling towers: water by means of an open circuit unit (axial fans and honey-comb) or a closed circuit system (centrifugal fans, heat exchangers, water circuit and dedicated water-pump). Maximum efficiency, no chilled water, solution with close loop circuit system. Both systems can be used to replace a water chiller when the ambient condition are favourable and cool water for water cooled chillers Customised control systems available (49) Piovan Chiller Range Piovan Spa Modification reserved
50 Piovan cooling systems components Water tanks: litres capacity provided with a complete insulation and accessories Water-pump unit: 1 or 2 water-pumps for different technical characteristics from those that can be performed by chiller units only (flow rate and pressure...). The pumps unit are provided with electrical control panel and valves. PET Water-pump unit: integrated water-pump(s) + water tank systems + 3 ways automatic modulating valve + a proper electrical control panel on a common frame. This unit can supply water at 2 different temperatures, flow rates and pressure. (50) Piovan Chiller Range Piovan Spa Modification reserved
51 1 water-pump unit Components: 1 control box (electrical board) 1 check valve 1 manometer 1 frame 1 centrifugal pump with mechanical seal The electric board includes both power and control Remote control facility for connection to another machine or for daily/weekly planner or if there are some external safeties. (51) Piovan Chiller Range Piovan Spa Modification reserved
52 2 water-pumps unit 1 pump is in stand-by Manual switching from one water-pump to the other Pumps must be connected in parallel The components are the same as for the 1 water-pump unit, apart from: 2 water-pumps 2 manometers (52) Piovan Chiller Range Piovan Spa Modification reserved
53 Working conditions For clean fluids (without abrasive parts/chemically non aggressive) Fluid temperature: from -10 C to +85 C Ambient temperature: up to +40 C Max pressure: 10 bar Min manometric suction height: 4 m Max final pressure in the valve body: 10 bar Non-stop service, max start-up: n. 12 per hour (53) Piovan Chiller Range Piovan Spa Modification reserved
54 PET Water-pump groups Water Chillers - The range CH and RPW series PIOVAN S.p.A. Cooling Centre 54 (54) Piovan Chiller Range Piovan Spa Modification reserved
55 PET Water-pump units PET Water-pump units: integrated water-pump(s) + 3 ways automatic modulating valves + water tank systems on a common frame Compact dimensions Ready for easy installation (simply piping connections ia required) Wide range of models 1 water-pump unit 2 water-pump unit (55) Piovan Chiller Range Piovan Spa Modification reserved
56 PET 1 water-pump groups Modification reserved (56) Piovan Chiller Range Piovan Spa Modification reserved
57 PET 2 water-pump groups Example of installation Modification reserved (57) Piovan Chiller Range Piovan Spa Modification reserved
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