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Conair 0.25 to 1.5 ton User Manual
Summary of 0.25 to 1.5 ton
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Portable chillers instant access parts and service (800) 458-1960 (814) 437-6861 www.Conairnet.Com the conair group, inc. One conair drive pittsburgh, pa 15202 phone: (412) 312-6000 fax: (412)-312-6227 vl series, 0.25 to 1.5 ton models ugh020/0301 installation maintenance operation troubleshooting.
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It’s a good idea to record the model and serial number(s) of your equipment and the date you received it in the user guide. Our service department uses this information, along with the manual number, to provide help for the specific equipment you installed. Please keep this user guide and all manual...
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Page: 3 ugh020/0301 vl series portable chillers, 0.25 to 1.5 tons table of contents 1.0 general 5 1.1 unit location 6 1.2 efficiency 6 1.3 safety 6 1.4 clean air act 6 1.5 miscellaneous 7 2.0 installation 9 2.1 general 10 2.2 to and from process connections 10 2.3 unit drain 11 2.4 air-cooled conden...
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Page: 5 ugh020/0301 vl series portable chillers, 0.25 to 1.5 tons 1.0 general 1.1 unit location 1.2 efficiency 1.3 safety 1.4 clean air act 1.5 miscellaneous.
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Page: 6 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 1.1 unit location a. The unit is designed for indoor use only. For most efficient operation, locate the chiller in a clean, dry and well ventilated environment. B. The unit has an air-cooled refrigerant condenser. For air-cooled conde...
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Page: 7 ugh020/0301 vl series portable chillers, 0.25 to 1.5 tons b. Please be aware that effective july 1, 1992, it is unlawful for any person in the course of maintaining, servicing, repairing, or disposing of refrigeration equipment to knowingly vent or otherwise dispose of any class 2 substance ...
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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.
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2.1 general a. All process piping materials (such as hose, rigid piping, valves or filters) used in process water piping circuitry must be rated for 100°f minimum temperature and 100 psi minimum pressure. B. All such materials must have the equivalent or larger diameter of the particular process con...
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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 some cases, it may be necessary to drain the unit. This is done by removing the pump volute plug in the pump assembly. B. Note that if chemical tre...
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Page: 12 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 2.5 electrical connection a. Nema 1 models 1. Electrical power supply requirements for nema 1 units (figure 2.5a) are identified on the equipment data plate. Verify that available voltage supply is the same as the unit’s voltage requ...
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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.
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Page: 14 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 3.1 general a. Failure to follow the factory required operation procedures may adversely affect the unit’s ability to control process temperature and may create a hazardous operating condition which may result in unit damage and seri...
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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, if it drops below 3/4 full, add fluid. 3. Check the u...
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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 a few seconds, the change rate accelerates. 3. Down: used to decrease the setpoint value, as well as the parameter when in p...
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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 a...
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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 each parameter is displayed. To change a parameter setting, push the “set” plus the “up” (or “down”). 4. The system will a...
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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.
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Page: 20 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 4.1 unit will not start a. Blow fuse at power supply - isolate open fuse and replace. Double check fuse sizes against nameplate amperage. B. Low voltage - measure incoming voltage with meter, voltage must be within 10% of nameplate v...
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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 of glycol to water is too high and (2) scaled tubes in evaporator tank (chemically descale). E. Low flow thr...
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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.
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Page: 24 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 5.1 warranty service procedure a. In the event of a problem with a chiller that can not be resolved by normal troubleshooting procedures, the customer is invited to consult the conair service department for assistance. The correct mo...
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Page: 25 ugh020/0301 vl series portable chillers, 0.25 to 1.5 tons i. Refrigerant sight glass: check for bubbles when compressor is operating at 100%. Check the moisture indicator for a color other than green. J. Clean unit. 5.3 special maintenance a. Any service of the refrigeration system must be ...
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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.
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Page: 28 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 6.1 water system a. Motor/pump assembly: the motor/pump assembly circulates chilled fluid to the process loop. The pump assembly is built of brass to maintain water quality. 6.2 refrigeration system a. Compressor: hermetic compressor...
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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.
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Page: 30 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 7.1 electrical drawing (typical) m1 5 6 pump 5 5 6 green 6 5 5 11 11 5 11 11 dual high-low pressurestat 13 13 5 3 1 6 8 7 9 10 eliwell 902t type "j" thermocouple 7 7 8 8 9 10 9 10 blu blu/yel blu 24 vac secondary 230/1/60 primary blk...
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Page: 31 ugh020/0301 vl series portable chillers, 0.25 to 1.5 tons 7.2 circuit schematic 12 10 11 9 8 7 6 5 4 3 1 2 item description 1 compressor 2 air cooled condenser 3 liquid receiver 4 filter-drier 5 refrigerant sight glass 6 expansion valve 7 evaporator 8 pump 9 to process connection 10 from pr...
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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....
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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. Capacities may be ± 5% as reserved by the comp...
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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, special precautions must be taken to prevent freezing and possible damage. Attention m...
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Page: 36 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 therefore, the water supply source must be disconnected and the connection capped. The operator must monitor the water/glycol level and manually make-up to maintain proper reservoir level. D. Safety adjustments 1. To ensure safe and ...
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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 the chilling unit. The services of a competent water treatment specialist should be obtained and their recommendations followed. It is the equipmen...
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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 glycols are even more corrosive than water. The corrosion rate of plain ethylene glycol on iron, for example, is more than 2.5 times faster than plain wate...
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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 full available % capacity notes: if operation of the chiller at less than ...
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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...
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Page: 41 ugh020/0301 vl series portable chillers, 0.25 to 1.5 tons 8.7 useful engineering formulas.
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Page: 42 vl series portable chillers, 0.25 to 1.5 tons ugh020/0301 8.8 parts list part description 800000 caster - 3” swivel 810000 caster - 3” rigid 895010 coil - chas 3100 1527475 condensing unit #f3aha101cfv-201 203-1-60 r-22 2169475 filter drier - c-0525 2971475 expansion valve - #evge-1-cp100 4...
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Ims0002/0296 s ervice i nformation a ppendix a-1 conair has made the largest investment in customer support in the plastics industry. Our service experts are available to help with any problem you might have installing and operating your equipment. Your conair sales representative also can help anal...
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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 nor...