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Conair A1-1.5 User manual

Manual is about: Portable, Series 1 Water-Cooled (W1) and Air-Cooled (A1) Models with PLC Control

Summary of A1-1.5

  • Page 1

    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 ugh017/0500 installation operation maintenance troubleshooting portable chillers series 1 water-cooled (w1) and air-...

  • Page 2

    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...

  • Page 3: Able Of

    Ugh017/0500 series 1 portable chillers, plc control t able of c ontents i ntroduction . . . . . . . . . . . . . . . . . . .1-1 purpose of the user guide . . . . . . . . . . . . . . . . . . . . . . . . .1-2 how the guide is organized . . . . . . . . . . . . . . . . . . . . . . .1-2 your responsibilit...

  • Page 4: Able Of

    Series 1 portable chillers, plc control ugh017/0500 t able of c ontents m aintenance . . . . . . . . . . . . . . . . . . . .5-1 maintenance features . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2 warnings and cautions . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3 preventative ...

  • Page 5: 1-1

    1-1 series 1 portable chillers, plc control ugh017/0500 ● ● purpose of the user guide . . . .1-2 ● ● how the guide is organized . . .1-2 ● ● your responsibilities as a user .1-2 ● ● attention: read this so no one gets hurt . . . . . . . . . . .1-3 i ntroduction.

  • Page 6: 1-2

    Series 1 portable chillers, plc control ugh017/0500 1-2 i ntroduction this user guide describes conair’s series 1 water-cooled and air-cooled portable chillers and explains step-by-step how to install, operate, maintain and repair this equipment. Before installing this product, please take a few mom...

  • Page 7: 1-3

    Ugh017/0500 series 1 portable chillers, plc control i ntroduction 1-3 we design equipment with the user’s safety in mind. You can avoid the potential hazards identified on this machine by fol- lowing the procedures outlined below and elsewhere in the user guide. Attention: r ead this so no one gets ...

  • Page 9: 2-1

    2-1 series 1 portable chillers, plc control ugh017/0500 ● ● what is the portable chiller? . . .2-2 ● ● typical applications . . . . . . . . . .2-3 ● ● limitations . . . . . . . . . . . . . . . . .2-3 ● ● how it works: water-cooled portable chiller . . . . . . . . . . .2-4 ● ● how it works: air-coole...

  • Page 10: Hat Is The

    The conair series 1 portable chillers provide self-contained sources of chilled water and are available in either water- or air-cooled models. Ranging in size from 1.5 hp to 13 hp in the air-cooled configuration and 1.5 hp to 15 hp in the water- cooled design [approximate capacities of 1.5 tons of r...

  • Page 11: Ypical

    The conair a1 and w1 portable chillers can be used any- where a reliable source of process cooling water - with stable temperature control - is required. These portable chillers are available for cooling injection molding, blow molding, thermoforming, extrusion, air com- pressors, metal plating, ano...

  • Page 12: Ow It

    H ow it w orks : w ater - cooled p ortable c hiller series 1 portable chillers, plc control ugh017/0500 2-4 d escription process circulation pump draws water from pump reservoir and moves it through the strainer and flow switch to the evaporator. 2 hot fluid from the process enters the chiller throu...

  • Page 13: Ow It

    H ow it w orks : w ater - cooled cont ’ d ugh017/0500 series 1 portable chillers, plc control d escription 2-5 the liquid refrigerant leaves the accumula- tor, passing through the thermal expansion valve, where it expands and cools. 4 refrigerant circulation the high pressure vapor travels from the ...

  • Page 14: Ow It

    H ow it w orks : a ir - cooled p ortable c hiller series 1 portable chillers, plc control ugh017/0500 2-6 d escription process circulation fluid is chilled in the evaporator and exits through the to process valve and tube, returning to the process. 3 hot fluid from the process enters the chiller thr...

  • Page 15: 2-7

    Ugh017/0500 series 1 portable chillers, plc control d escription 2-7 h ow it w orks : a ir - cooled cont ’ d refrigerant circulation the evaporator extracts heat from the process fluid, caus- ing the refrigerant to vaporize (evaporate) into a gas. 1 cooled refrigerant is metered back into the exapor...

  • Page 16: 2-8

    Series 1 portable chillers, plc control ugh017/0500 2-8 d escription p ortable c hiller f eatures receiver stores the liquid refrigerant. Filter dryer cleans and dries the refrig- erant. From process connection relief valve acts as a safety device for refrig- erant pressure. Condenser condenses the ...

  • Page 17: 2-9

    Ugh017/0500 series 1 portable chillers, plc control d escription 2-9 air-cooled models p ortable c hiller f eatures fans circulate air across the con- denser to cool refrigerant receiver stores the liquid refrigerant. Filter dryer cleans and dries the refrigerant. Hot gas bypass valve balances the l...

  • Page 18: 2-10

    Series 1 portable chillers, plc control ugh017/0500 2-10 d escription water-cooled models s pecifications front side back b a c d e f 10 {254} 9 {229} 10.5 {267} 5.5 {140} model w1-1.5 w1-2 w1-3 w1-4 w1-5 w1-7.5 w1-10 w1-15 performance characteristics capacity✝, tons 1.44 1.93 3.23 4.44 5.00 7.09 10...

  • Page 19: Air-Cooled Models

    Air-cooled models s pecifications ugh017/0500 series 1 portable chillers, plc control d escription 2-11 a b c front side back 10 {254} 9 {229} 10.5 {267} 5.5 {140} specification notes ✝ based on 50 °f (10 °c) water temperature (100% water) leaving the chiller, standard pump selections, 95 °f (35 °c)...

  • Page 20: 2-12

    Series 1 portable chillers, plc control ugh017/0500 2-12 d escription p ump c urves flow rate (gpm) pressure (psi) 60 hz pump performance curves 50 hz pump performance curves pressure (psi) flow rate (gpm).

  • Page 21: 3-1

    3-1 series 1 portable chillers, plc control ugh017/0500 ● ● unpacking the boxes . . . . . . . . . .3-2 ● ● warnings and cautions . . . . . . . . .3-3 ● ● preparing for installation . . . . . . .3-4 ● ● making process plumbing connections . . . . . . . . . . . . . . . .3-5 ● ● filling the chiller . ....

  • Page 22: Npacking The

    The portable chiller comes fully assembled in a single crate. U npacking the b oxes series 1 portable chillers, plc control ugh017/0500 3-2 i nstallation caution: lifting the series 1 portable chillers are designed to easily roll on casters. If, for some reason you need to lift the chiller, take all...

  • Page 23: Arnings And

    Warning: improper installation, oper- ation, or servicing may result in equip- ment damage or personal injury. This equipment should only be installed, adjust- ed, and serviced by qualified technical person- nel who are familiar with the construction, oper- ation, and potential hazards of this type ...

  • Page 24: Reparing For

    P reparing for i nstallation series 1 portable chillers, plc control ugh017/0500 3-4 i nstallation plan the location for the chiller and prepare the area properly. Position the chiller as close to the process machine as possi- ble. Place the chiller in position near the process machine so that fluid...

  • Page 25: 3-5

    Ugh017/0500 series 1 portable chillers, plc control i nstallation 3-5 m aking p rocess p lumbing c onnections warm fluid from process equipment enters the chiller at the from process connection and chilled fluid returns to the process equipment through the to process connection. Remove the shipping ...

  • Page 26: 3-6

    The chiller is shipped without coolant. The chiller is filled manually during installation. Use water as the coolant down to 40 °f (4 °c). Below 40 °f and down to 20 °f (-7 °c), use an ethylene glycol or propylene glycol solution. To fill with water: attach water hose to fill/drain valve. Close the ...

  • Page 27: 3-7

    Ugh017/0500 series 1 portable chillers, plc control i nstallation 3-7 f illing the c hiller cont ’ d temperature of process fluid ° f gl ycol, % b y v o lume close the to process and from process valves. Open the fill/drain valve and fill chiller to the fill mark on the water level gauge. If the chi...

  • Page 28: Hecking

    C hecking r efrigerant c harge series 1 portable chillers, plc control ugh017/0500 3-8 i nstallation all chillers are fully charged with refrigerant at the factory. Your chiller’s model nameplate identifies the type and amount of total refrigerant charge required. Check refrigerant charge while the ...

  • Page 29: 3-9

    Ugh017/0500 series 1 portable chillers, plc control i nstallation 3-9 warning: improper installation, oper- ation, or servicing may result in equip- ment damage or personal injury. This equipment should only be installed, adjust- ed, and serviced by qualified technical person- nel who are familiar w...

  • Page 30: 3-10

    Series 1 portable chillers, plc control ugh017/0500 3-10 i nstallation conair chiller a1 - 5 i nitially s tarting the c hiller turn on main power source. The control boots up and the screen displays the portable chiller model number. C hecking e lectrical c onnections if you disconnect the chiller f...

  • Page 31: 3-11

    Ugh017/0500 series 1 portable chillers, plc control i nstallation 3-11 status setup run alm after the initial 8-hour minimum warmup, continue with start- up: press the next arrow on the control to move to the main screen. The main screen displays: press the run arrow. Status setup run alm press arro...

  • Page 32: 3-12

    Series 1 portable chillers, plc control ugh017/0500 3-12 i nstallation c hecking for l eaks manual pump on off press the pump on arrow. Check inside the chiller for any leaks. If you find leaks: press the stop chiller button on the control panel. Press the manual pump off arrow. Disconnect the chill...

  • Page 33: 3-13

    Ugh017/0500 series 1 portable chillers, plc control i nstallation 3-13 c onnecting the r emote c ontrol if your chiller has the optional remote interface, you need to connect it to the chiller control. The chiller control panel is hinged on the bottom. Pull down on the top of the outer bezel of the ...

  • Page 35: 4-1

    4-1 series 1 portable chillers, plc control ugh017/0500 ● ● plc control features . . . . . . . .4-2 ● ● before starting . . . . . . . . . . . . . .4-3 ● ● powering up . . . . . . . . . . . . . . . .4-4 ● ● running/stopping the chiller . .4-5 ● ● viewing chiller status . . . . . . . .4-6 ● ● programm...

  • Page 36: Plc C

    Plc c ontrol f eatures series 1 portable chillers, plc control ugh017/0500 4-2 o peration status lights show the run status of com- pressor, process pump, and alarm/shutdown option arrows choose parameters dis- played on the screen display screen shows status, setup and run modes up / down scroll ar...

  • Page 37: Efore

    B efore s tarting ugh017/0500 series 1 portable chillers, plc control o peration 4-3 before you start daily operation of the chiller, you need to perform scheduled preventative maintenance. Necessary main- tenance is describe in the maintenance section of this users guide. Warning: electrical hazard...

  • Page 38: Owering

    Plug in the power cord to restore power after any required maintenance. The chiller requires 15 minutes warmup time after it is plugged in for the crankcase heater to warm up. Turn on the main power. The chiller control automatically performs its bootup rou- tine. The screen displays the portable ch...

  • Page 39: 4-5

    Ugh017/0500 series 1 portable chillers, plc control o peration 4-5 r unning / s topping the c hiller after you have viewed all the status screens and made any necessary changes to the setup screens, you are ready to run the chiller. To run the chiller from the main screen: press the run arrow on the...

  • Page 40: 4-6

    Series 1 portable chillers, plc control ugh017/0500 4-6 o peration v iewing c hiller s tatus the status screens are read-only screens. You cannot make changes to these screens. To view the status screens: press the status arrow on the main screen. The status button does not let you change the status...

  • Page 41: 4-7

    Ugh017/0500 series 1 portable chillers, plc control o peration 4-7 verify that the readings each screen displays are the ones you want. You cannot change the readings of the screens from the status screens. You can change to status of: ● setpoint temperature ● percent ethylene glycol by volume by go...

  • Page 42: Rogramming

    P rogramming s ettings series 1 portable chillers, plc control ugh017/0500 4-8 o peration press the up and down scroll arrows to scroll through the setup screens. Stop at the one you want to change. The plc control allows you to program various parameters for the chiller: ● temperature setpoint the ...

  • Page 43: 4-9

    Ugh017/0500 series 1 portable chillers, plc control o peration 4-9 c hanging s etpoint t emperature use the temperature setpoint screen to set the desired temper- ature of the to process fluid. To display the setpoint temperature from the main screen, press the setup arrow. The setpoint screen displ...

  • Page 44: Esetting

    R esetting pid s ettings series 1 portable chillers, plc control ugh017/0500 4-10 o peration use the pid reset to return the control to the factory settings. To reset pid from the main screen: press the setup arrow. Press the scroll arrows to scroll through the setup screens. Stop when you get to th...

  • Page 45: Hanging

    C hanging h igh t emperature d eviation ugh017/0500 series 1 portable chillers, plc control o peration 4-11 decide how many degrees above the setpoint temperature you want the chiller to deviate before an alarm occurs. To set the high temperature deviation: press the setup arrow. Continue to press t...

  • Page 46: 4-12

    Series 1 portable chillers, plc control ugh017/0500 4-12 o peration to set the percent ethylene glycol or propylene glycol solution determine the desired temperature of the process fluid leaving the chiller. Use water as the coolant for a setpoint temperature of the process fluid down to 40 °f (4 °c...

  • Page 47: 4-13

    Ugh017/0500 series 1 portable chillers, plc control o peration 4-13 press the up/down scroll arrows to scroll through the setup screens. Stop when you get to the percent glycol screen: note: if you are using water as the coolant, set the percent glycol to zero on the control. Note: this screen has p...

  • Page 48: Etting

    S etting f an s etpoints series 1 portable chillers, plc control ugh017/0500 4-14 o peration for the air-cooled chillers you can choose the pressure, in pounds per square inch, at which the fans cycle. To set the fan setpoints from the main screen: press the setup arrow. Press the scroll arrows to s...

  • Page 49: Etting

    S etting f an s etpoints cont ’ d ugh017/0500 series 1 portable chillers, plc control o peration 4-15 press enter to save the change. 5 press the scroll arrows to move to fan 2. 6 repeat the steps for changing fan 2 setpoint tempera- tures. Press the escape/previous screen button to return to the ma...

  • Page 50: Etting

    S etting a uto t une m ode series 1 portable chillers, plc control ugh017/0500 4-16 o peration use the auto tune mode to maintain good temperature con- trol and minimize overshooting the setpoint temperature. To display the auto tune mode from the main screen: press the setup arrow. This screen is p...

  • Page 51: Etting

    S etting a uto t une m ode cont ’ d ugh017/0500 series 1 portable chillers, plc control o peration 4-17 press the auto tune arrow. The control begins tuning. This takes about 15 seconds. When tuning, the screen displays ‘tune tuning’ mes- sage. When tuning is complete, the screen displays ‘tune norm...

  • Page 52: Anually

    M anually s tarting / s topping the p ump series 1 portable chillers, plc control ugh017/0500 4-18 o peration manual pump on off to run or stop the pump from the main screen: press the arrow pointing to run on the screen. Status setup run alm the first run screen displays. Use the scroll arrows to s...

  • Page 53: 5-1

    5-1 series 1 portable chillers, plc control ugh017/0500 ● ● maintenance features . . . . . . . .5-2 ● ● warnings and cautions . . . . . . .5-3 ● ● preventative maintenance schedule . . . . . . . . . . . . . . . . .5-4 ● ● entering maintenance screens .5-6 ● ● checking electrical connections . . . . ...

  • Page 54: Aintenance

    Conair series 1 portable chillers need regular, scheduled maintenance for peak performance. To maintain the best performance of the chiller, it must be cleaned and inspected regularly. Maintenance includes a daily, monthly, and semi-annual schedule. Use this maintenance schedule as a guide. You may ...

  • Page 55: Arnings And

    W arnings and c autions ugh017/0500 series 1 portable chillers, plc control m aintenance 5-3 follow all cautions and warnings when working on the equip- ment. Warning: improper installation, oper- ation, or servicing may result in equip- ment damage or personal injury. This equipment should only be ...

  • Page 56: Reventative

    ● ● daily, or as often as needed ❒ ❒ checking electrical connections make sure electrical connections are properly seated. See checking electrical connections , in the maintenance section. ❒ ❒ checking process fluid level in the pump tank check the process fluid level in the water level gauge on the...

  • Page 57: Reventative

    ● ● monthly ❒ ❒ inspecting cooling water treatment system if your chiller uses a cooling water treatment system, maintain proper chemical levels and follow the recom- mendations of your water treatment specialist. Change water in the reservoir tank monthly. ❒ ❒ cleaning wipe all external surfaces of...

  • Page 58: 5-6

    Series 1 portable chillers, plc control ugh017/0500 5-6 m aintenance e ntering m aintenance s creens the maintenance screens are password protected. You must have clearance to enter these screens. Use the maintenance screens to view cycling information. Press the setup arrow. Press the scroll arrows...

  • Page 59: 5-7

    Ugh017/0500 series 1 portable chillers, plc control m aintenance 5-7 compressor run time in hours 15 compressor cycles 34 pump run time in hours 22 pump cycles 45 hot gas bypass cycles 31 press the escape/previous screen button to exit the maintenance screens and return to the main screen. The passw...

  • Page 60: 5-8

    Series 1 portable chillers, plc control ugh017/0500 5-8 m aintenance c hecking e lectrical c onnections be sure the main power is disconnected and the chiller is locked out. Always disconnect and lock- out the main power source before opening the unit for servicing. Open the electrical enclosure. In...

  • Page 61: Leaning The

    Water quality should be maintained at a ph of 7.4, but not less that 6.0 for proper heat exchanger life. To clean: prepare a 5% solution of phosphoric acid or oxalic acid. Do not heat the acid solution. Shut the from process valve. Disconnect the pump from the heat exchanger. Install a cap in the op...

  • Page 62: Leaning The

    The air-cooled condenser can accumulate dirt and clog quick- ly if it is run in a dusty or dirty environment. A clogged con- denser increases refrigerant discharge pressure, lowers perfor- mance, and may cause the fan motors and compressor to over- heat. Inspect the coils. Use a flashlight to check ...

  • Page 63: 5-11

    Ugh017/0500 series 1 portable chillers, plc control m aintenance 5-11 check refrigerant charge while the chiller is running: check the refrigerant charge through the site glass. Use a flashlight, if necessary, and check the liquid-line sight glass: ● under full load conditions, the refrigerant shoul...

  • Page 64: Hecking

    Check the fluid level in the reservoir. The meniscus in the sight glass on the back of the chiller should be in line with the mark on the sight glass. To manually fill the reservoir: disconnect and lockout power to the chiller. Locate the fill/drain valve on the back of the chiller. Refill the reser...

  • Page 65: 6-1

    6-1 series 1 portable chillers, plc control ugh017/0500 ● ● before beginning . . . . . . . . . . . .6-2 ● ● a few words of caution . . . . . .6-3 ● ● identifying the cause of a problem . . . . . . . . . . . . . .6-3 ● ● answering alarms . . . . . . . . . . .6-4 ● ● control problems . . . . . . . . ....

  • Page 66: Efore

    You can avoid most problems by following the recommended installation, operation and maintenance procedures outlined in this user guide. If you have a problem, this section will help you determine the cause and tell you how to fix it. Before you begin troubleshooting: ❒ find any wiring, piping, and ...

  • Page 67: A F

    The troubleshooting section covers problems directly related to the operation and maintenance of the portable chiller. Additional troubleshooting help can be found in the documen- tation manuals included with this user guide. Conditions you may see are: ● electrical - a fuse out, a switch has trippe...

  • Page 68: Nswering

    When an alarm condition occurs, the display flashes the alarm condition and the alarm light on the control panel lights. Press the alarm silence/ reset button to acknowledge the alarm and silence the optional audible alarm. A nswering a larms series 1 portable chillers, plc control ugh017/0500 6-4 t...

  • Page 69: Nswering

    Alarm no. 01 02 03 04 05 06 07 08 a nswering a larms cont ’ d ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-5 the alarm information remains on the screen until the alarm condition is corrected. Press the alarm silence/reset button to acknowledge the alarm condition and to tu...

  • Page 70: Ontrol

    C ontrol p roblems series 1 portable chillers, plc control ugh017/0500 6-6 t roubleshooting symptom the control is not lit and the chiller is not working. Possible cause power is not reaching the chiller. The correct power is not reaching the unit there is a problem with the plc. There is a problem ...

  • Page 71: Ontrol

    C ontrol p roblems cont ’ d ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-7 symptom the control is lit and there is no alarm condition. The com- pressor hums, but does not run. Possible cause the input voltage is incorrect there is a phase loss. Solution check the main suppl...

  • Page 72: Larm

    A larm c onditions series 1 portable chillers, plc control ugh017/0500 6-8 t roubleshooting alarm alm 01 low water tank level alarm possible cause process fluid level in tank is low. Failed level switch. Solution fill tank to proper level. See checking reservoir level , in the maintenance section. I...

  • Page 73: Larm

    A larm c onditions cont ’ d ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-9 alarm alm 02 flow fault alarm possible cause the to process and from process valves are closed. The process fluid strain- er is clogged. Process fluid level in reservoir is low and float switch faile...

  • Page 74: 6-10

    Series 1 portable chillers, plc control ugh017/0500 6-10 t roubleshooting a larm c onditions alarm alm 03 low suction pressure alarm possible cause no or low flow with a failed flow switch and rtd. Compressor suction valve is closed. No load on the chiller. The evaporator is fouled. The evaporator i...

  • Page 75: 6-11

    Ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-11 a larm c onditions cont ’ d alarm alm 04 high refrigerant discharge pressure alarm possible cause clogged/dirty air-cooled condenser. Blocked air flow to air- cooled condenser. Low condenser water flow or water too warm to wat...

  • Page 76: Larm

    A larm c onditions series 1 portable chillers, plc control ugh017/0500 6-12 t roubleshooting alarm alm 05 compressor overload alarm possible cause overload set incorrectly. Low supply voltage. Faulty contactor faulty overload module. S olution check table on wiring diagram for correct full load ampe...

  • Page 77: Larm

    A larm c onditions cont ’ d ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-13 alarm alm 06 pump overload alarm possible cause overload set incorrectly. Low supply voltage. Faulty contactor faulty overload module. Solution check table on wiring diagram for correct full load am...

  • Page 78: Larm

    A larm c onditions cont ’ d series 1 portable chillers, plc control ugh017/0500 6-14 t roubleshooting alarm alm 07 high temperature safety alarm possible cause the hot gas bypass valve is not working properly (possibly stuck open) the high deviation tem- perature is set too close to the setpoint tem...

  • Page 79: Larm

    A larm c onditions cont ’ d ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-15 alarm alm 08 low temperature cutout alarm possible cause the hot gas bypass valve is not working properly (possibly stuck closed). Process fluid flow is insufficient. Failed rtd or temperature trans...

  • Page 80: 6-16

    Series 1 portable chillers, plc control ugh017/0500 6-16 t roubleshooting warning: electrical hazard before performing any work on this unit, discon- nect and lock out electrical power sources to prevent injury from unexpected energization or startup. The pump tank has one or two float switches. The...

  • Page 81: 6-17

    Ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-17 c hecking the p ressure t ransducer always refer to the wiring dia- grams you received with your chiller to locate specific elec- trical components. The transducer produces a 0.5-4.5 vdc analog signal that is read by the plc, ...

  • Page 82: 6-18

    Series 1 portable chillers, plc control ugh017/0500 6-18 t roubleshooting the conair portable chiller uses a standard 100 ohm rtd to monitor process temperature. A transmitter is also included and is located in the temperature transmitter electrical box. To check the temperature transmitter and rtd:...

  • Page 83: 6-19

    Ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-19 ohm meter ohms + - volt meter current meter black black black red red red volts current power supply to controller problem no reading reading too low reading too high rf interference possible cause no power to board. Rtd wires...

  • Page 84: Eplacing The

    R eplacing the rtd series 1 portable chillers, plc control ugh017/0500 6-20 t roubleshooting to replace the rtd: disconnect and lockout power to the chiller. Disconnect the to process tubing from the to process connection. 1 2 open the drain/fill valve and drain water from the unit so the water leve...

  • Page 85: Eplacing The

    R eplacing the t emperature t ransmitter ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-21 always refer to the wiring dia- grams you received with your chiller to locate specific elec- trical components. To replace the temperature transmitter: disconnect and lockout power to ...

  • Page 86: 6-22

    Series 1 portable chillers, plc control ugh017/0500 6-22 t roubleshooting the pump’s wet end (impeller, motor, and seal assembly) can be removed for service. Disconnect and lockout power to the chiller. Open the drain/fill valve and drain the water from the chiller. 1 2 fill/drain valve open the sid...

  • Page 87: Eplacing

    R eplacing o verload m odules ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-23 always refer to the wiring dia- grams you received with your chiller to locate specific elec- trical components. Normally if the overload trips, resetting the overload and cor- recting the cause i...

  • Page 88: Eplacing

    To replace fuses: disconnect and lockout power to the chiller. Open the electrical enclosure and locate the fuses. Refer to the wiring diagram for the exact loca- tion. Remove and replace fuses. Restore power to the chiller. R eplacing f uses series 1 portable chillers, plc control ugh017/0500 6-24 ...

  • Page 89: 6-25

    Ugh017/0500 series 1 portable chillers, plc control t roubleshooting 6-25 r eplacing the c ontactor to replace contactor for the pump or compressor: disconnect and lockout power to the chiller. Open the electrical enclosure and locate the correct contactor. Refer to the wiring diagrams you received ...

  • Page 90: Eplacing The

    R eplacing the plc always refer to the wiring dia- grams you received with your chiller to locate specific elec- trical components. Note: contact your conair service representative before replacing the plc. Disconnect and lockout power to the chiller. Open the top electrical enclosure. Unplug connec...

  • Page 91: A-1

    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...

  • Page 92: Quipment

    W arranty i nformation ims0003/0796 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 normal use and se...

  • Page 93: B-1

    Ugh017/0500 series 1 portable chillers, plc control a ppendix b-1 m aintenance l og date maintenance item compressor amps, 100% loaded discharge pressure suction pressure evaporator water out temperature process water pressure, in/out condenser water temperature, in/out condenser water pressure, in/...

  • Page 95: Ressure

    P ressure t ables ugh017/0500 series 1 portable chillers, plc control a ppendix c-1 evaporator and piping pressure drops flow rate, gpm pressure dr op, psid a1/w1-10, a1-13 a1/w1-5 w1-15 a1/w1-3 a1/w1-4 a1/w1-7.5 a1/w1-2 a1/w1-1.5.

  • Page 96: C-2

    Series 1 portable chillers, plc control ugh017/0500 a ppendix c-2 0 10 10 20 20 30 30 40 40 50 50 60 60 70 70 80 80 0 5 10 10 15 20 25 30 30 35 40 40 45 45 50 55 55 condenser and piping pressure drops p ressure t ables pressure dr op, psid flow rate, gpm w1-10 w1-5 w1-2 w1-1.5 w1-3 w1-4 w1-7.5 w1-15.

  • Page 97: Scot

    Scot motorpump™ l l installation l l operation l l maintenance includes mechanical seal replacement check pump for shortage and damage immediately upon arrival. Note damage or shortage on freight bill (bill of lading); immediately file claim with carrier. Exterior — pay particular attention to condu...

  • Page 98

    Pre-start — before initial start of the pump, check as follows: 1. The rotation must be checked upon installation. Close, then break the contacts quickly and observe the rotation of the exposed portion of the rotating parts. Rotation must agree with the rotation arrow on the motor. For all pumps, th...

  • Page 99

    10. Remove pump cover from cast iron disc. (there is no hardware used to attach cover to disc.) place cover on a flat surface with convex side down. Push out stationary member of mechanical seal. It is not necessary to remove the cast iron disc from the motor to replace the seal. B.) reassembly: cau...

  • Page 100

    8. Remove impeller from shaft, being careful not to lose the impeller key, spring and gasket. If impeller is difficult to remove, it may be necessary to use a bearing puller to remove. 9. Pry off rotating member of mechanical seal from sleeve by using two (2) screwdrivers. Be careful not to damage t...