Conair VL Series - Manuals

Page: 9 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 2.0 INSTALLATION 2.1 GENERAL 2.2 TO AND FROM PROCESS CONNECTIONS 2.3 UNIT DRAIN 2.4 AIR COOLED CONDENSER 2.5 ELECTRICAL CONNECTION

2.1 GENERAL A. All process piping materials (such as hose, rigid piping, valves orfilters) used in process water piping circuitry must be rated for100°F minimum temperature and 100 PSI minimum pressure. B. All such materials must have the equivalent or larger diameter ofthe particular process connec...

Page: 11 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 2.3 DRAIN CONNECTION: A. The unit is supplied as standard with a ProCon type pump. In somecases, it may be necessary to drain the unit. This is done byremoving the pump volute plug in the pump assembly. B. Note that if chemical treat...

3.0 OPERATIONS 3.1 GENERAL 3.2 START UP/OPERATIONS PROCEDURE 3.3 INSTRUMENT OPERATION 3.4 SHUT DOWN/DISCONNECT SEQUENCE Page: 13 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons

Page: 15 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons B. OPERATIONS 1. Turn the thermostat to the highest setting. 2. Shift the illuminated toggle switch to the ‘ON’ position.The pump will begin operations. Note the reservoir level, ifit drops below 3/4 full, add fluid. 3. Check the uni...

Page: 16 VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 2. UP: used to increase the setpoint value, as well as the parameter when in programming. When held down for afew seconds, the change rate accelerates. 3. DOWN: used to decrease the setpoint value, as well as the parameter when in pr...

Page: 17 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 8. PSE: Probe SElection. Input type (for RTD or Thermocouples only). RTD models: Ni = Ni100; Pt = Pt100. T/C models: FE= TcJ; Cr = TcK; rh = TcS. 9. HC1: Heating/Cooling. Relay switch function. H = heating (humidification; reverse ac...

Page: 18 VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 3. Other parameters are accessed with the “UP” and “DOWN”button. With the “SET” button, the actual setting of eachparameter is displayed. To change a parameter setting,push the “SET” plus the “UP” (or “DOWN”). 4. The system will auto...

Page: 19 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 4.0 TROUBLESHOOTING 4.1 UNIT WILL NOT START 4.2 PUMP WILL NOT START 4.3 COMPRESSOR WILL NOT START 4.4 UNIT SHUTS DOWN ON HIGH PRESSURE SWITCH 4.5 UNITS SHUTS DOWN ON LOW PRESSURE SWITCH

Page: 21 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons C. Restriction to refrigerant flow in refrigeration circuit. D. Poor heat transfer in evaporator tank because (1) percentage ofglycol to water is too high and (2) scaled tubes in evaporator tank(chemically descale). E. Low flow throu...

Page: 23 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 5.0 MAINTENANCE 5.1 WARRANTY SERVICE PROCEDURE 5.2 PERIODIC PREVENTATIVE MAINTENANCE 5.3 SPECIAL MAINTENANCE 5.4 PUMP REPAIR

Page: 27 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 6.0 COMPONENTS 6.1 WATER SYSTEM 6.2 REFRIGERATION SYSTEM

Page: 29 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 7.0 RELATED DRAWINGS 7.1 ELECTRICAL DRAWING (TYPICAL) 7.2 CIRCUIT SCHEMATIC

Page: 33 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 8.0 APPENDIX 8.1 SPECIFICATIONS 8.2 OPERATION BELOW 45°F 8.3 WATER QUALITY CONTROL 8.4 INHIBITED PROPYLENE GLYCOL 8.5 CHILLER CAPACITY AND DERATE CHART 8.6 PRESSURE - TEMPERATURE CHART FOR R-22 REFRIGERANT 8.7 ENGINEERING FORMULAS 8....

Page: 34 VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 8.1 SPECIFICATIONS VL Air-cooled Portable Chillers: 0.25 to 1.5 tons SPECIFICATION NOTES * Ton capacity at 12,000 BTU/ton @ 50°F leaving water temperature @ 115°F condensing temperature. Capacitiesmay be ± 5% as reserved by the compr...

Page: 35 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 8.2 OPERATION BELOW 48°F A. A chiller typically operates with a setpoint of 50°F or higher.However, if setpoints between 20° - 48°F are required, specialprecautions must be taken to prevent freezing and possibledamage. Attention must...

Page: 37 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 8.3 WATER QUALITY CONTROL A. Lack of, as well as, improper water treatment can damage thechilling unit. The services of a competent water treatment specialistshould be obtained and their recommendations followed. It is theequipment o...

Page: 38 VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 C. USE OF PLAIN GLYCOL: 1. Even through they do lower the freeze point, plain glycolsare even more corrosive than water. The corrosion rate ofplain ethylene glycol on iron, for example, is more than 2.5times faster than plain water. ...

Page: 39 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 8.5 CHILLER CAPACITY AND DERATE CHART 60 50 45 40 35 30 25 20 15 10 5 0 -5 * * * * * 105% 100% 90% 80% 70% 60% 50% 40% 30% 22% 15% 9% 5% OUTPUT TEMPERATURE °F FULLAVAILABLE %CAPACITY NOTES: If operation of the chiller at less than 48...

Page: 40 VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 8.6 PRESSURE-TEMPERATURE CHART FOR R-22 REFRIGERANT SATURATED TEMPERATURE 40°F 45°F 50°F 55°F 60°F 65°F 70°F 75°F 80°F 85°F 90°F 95°F 100°F FREON PRESSURE 68 76 84 93 100 112 122 132 144 156 168 182 196 THESE PRESSURE/TEMPERATURE REL...

Page: 41 UGH020/0301 VL Series Portable Chillers, 0.25 to 1.5 Tons 8.7 USEFUL ENGINEERING FORMULAS

IMS0002/0296 S ERVICE I NFORMATION A PPENDIX A-1 Conair has made the largest investment in customer support inthe plastics industry. Our service experts are available to helpwith any problem you might have installing and operatingyour equipment. Your Conair sales representative also can helpanalyze ...

W ARRANTY I NFORMATION IMS0003/0796 A PPENDIX A-2 E QUIPMENT G UARANTEE P ERFORMANCE W ARRANTY W ARRANTY L IMITATIONS Conair guarantees the machinery and equipment on this order,for a period as defined in the quotation from date of shipment,against defects in material and workmanship under the norma...