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Conair ESEW-0100D User Manual

Manual is about: ESE Series Scroll Central Chillers

Summary of ESEW-0100D

  • Page 1

    User guide ugh050-0816 corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service: 814.437.6861 www.Conairgroup.Com ese series central chillers ese series scroll central chillers.

  • Page 2

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 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 t...

  • Page 3

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 page intentionally blank.

  • Page 4: Table Of Contents

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 table of contents foreword ..............................................................................................................................................................

  • Page 5

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 discharge (hot gas) line sizing .........................................................................................................................................................

  • Page 6

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 figure 27 – alarm history ...............................................................................................................................................................

  • Page 7

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 figure 47 – analog outputs screen .......................................................................................................................................................

  • Page 8

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 start-up ................................................................................................................................................................................

  • Page 9

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 page intentionally blank.

  • Page 10: Foreword

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 1 foreword the central chiller contains on or more refrigeration circuits intended to chiller or cool a process fluid. As an option, a process fluid reservoir and pumping system is a...

  • Page 11: Safety Guidelines

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 2 safety guidelines observe all safety precautions during installation, start-up, and service of this equipment. The following is a list of symbols used in this manual and their mean...

  • Page 12: General Data

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 3 general data table 1 – esew series single-circuit water-cooled condenser chiller general data (60 hz) model esew- esew- esew- esew- esew- esew- esew- esew- esew- 010s 015s 020s 025...

  • Page 13

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 4 table 2 – esew series dual-circuit water-cooled condenser chiller general data (60 hz) esew- esew- esew- esew- esew- esew- esew- esew- esew- 020d 030d 040d 050d 060d 080d 0100d 012...

  • Page 14

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 5 table 3 – eser series single-circuit remote air-cooled condenser chiller general data (60 hz) eser- eser- eser- eser- eser- eser- eser- eser- eser- 010s 015s 020s 025s 030s 040s 05...

  • Page 15

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 6 table 4 – eser series dual-circuit remote air-cooled condenser chiller general data (60 hz) eser- eser- eser- eser- eser- eser- eser- eser- eser- 020d 030d 040d 050d 060d 080d 0100...

  • Page 16

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 7 table 5 – remote air-cooled condenser general data (60 hz) model chiller model used with 1 dimensions inches {mm} weights lbs {kg} total air flow (cfm) sound pressure level (dba) 2...

  • Page 17: Pre-Installation

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 8 pre-installation receiving inspection when the unit arrives, verify it is the correct unit by comparing the information that appears on the unit nameplate with that which appears o...

  • Page 18: Installation - Chiller

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 9 installation - chiller mechanical unit location the chiller is available in many different configurations to meet various environments. Please refer to the proposal and order ackno...

  • Page 19

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 10 the nominal chiller design is for 85°f (38.6°c) condenser cooling water supply. Under normal operation under full load there will be about a 10°f (4.5°c) rise through the condense...

  • Page 20

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 11 figure 1 – standard flow chiller coolant circuit pressure drop (10 through 30 ton single-circuit chillers) 0 5 10 15 20 25 30 35 40 0 20 40 60 80 100 120 140 160 pr ess ur e lo ss...

  • Page 21

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 12 figure 2 – standard flow chiller coolant circuit pressure drop (40 through 80 ton single-circuit chillers) 0 5 10 15 20 25 30 35 40 0 50 100 150 200 250 300 350 400 pr ess ur e lo...

  • Page 22

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 13 figure 3 – standard flow chiller coolant circuit pressure drop (20 through 160 ton dual-circuit chillers) 0 5 10 15 20 25 30 35 40 0 40 80 120 160 200 240 280 320 pr ess ur e lo s...

  • Page 23

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 14 figure 4 – standard flow chiller coolant circuit pressure drop (80 through 160 ton dual-circuit chillers) 0 5 10 15 20 25 30 35 40 0 100 200 300 400 500 600 700 800 pr ess ur e lo...

  • Page 24

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 15 figure 5 – high flow chiller coolant circuit pressure drop (10 through 25 ton single-circuit chillers) 0 5 10 15 20 25 30 35 40 0 20 40 60 80 100 120 140 160 180 200 220 240 pr es...

  • Page 25

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 16 figure 6 – high flow chiller coolant pressure drop (30 through 50 ton single-circuit chillers) 0 5 10 15 20 25 30 35 40 0 50 100 150 200 250 300 350 400 450 pr ess ur e lo ss ( ps...

  • Page 26

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 17 figure 7 – high flow chiller coolant pressure drop (20 through 50 ton dual-circuit chillers) 0 5 10 15 20 25 30 35 40 0 50 100 150 200 250 300 350 400 450 500 pr ess ur e lo ss ( ...

  • Page 27

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 18 figure 8 – high flow chiller coolant pressure drop (60 through 100 ton dual-circuit chillers) 0 5 10 15 20 25 30 35 40 0 100 200 300 400 500 600 700 800 900 pr ess ur e lo ss ( ps...

  • Page 28

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 19 figure 9 – condenser water circuit pressure drop (10 through 30 ton single-circuit chillers) 0 3 6 9 12 15 18 21 24 0 25 50 75 100 125 150 175 200 pr ess ur e lo ss ( psi ) flow (...

  • Page 29

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 20 figure 10 – condenser water circuit pressure drop (40 through 80 ton single-circuit chillers) 0 3 6 9 12 15 18 21 24 0 50 100 150 200 250 300 350 400 450 500 pr ess ur e lo ss ( p...

  • Page 30

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 21 figure 11 – condenser water circuit pressure drop (20 through 60 ton dual-circuit chillers) 0 3 6 9 12 15 18 21 24 0 50 100 150 200 250 300 350 400 pr ess ur e lo ss ( psi ) flow ...

  • Page 31

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 22 figure 12 – condenser water circuit pressure drop (80 through 160 ton dual-circuit chillers) 0 3 6 9 12 15 18 21 24 0 100 200 300 400 500 600 700 800 900 1000 pr ess ur e lo ss ( ...

  • Page 32: Cooled Condenser

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 23 installation - remote air- cooled condenser the remote condenser usually ships separately and from a different location than the chiller. Location chillers with a remote air-coole...

  • Page 33

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 24 mounted legs and lifting (10 ton single-circuit and 20-ton dual-circuit units) the unit ships on its side with the legs removed to reduce shipping dimensions and provide more prot...

  • Page 34

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 25 mounted legs and lifting (all except 10 ton single-circuit and 20-ton dual-circuit units) the unit ships on its side with the legs removed to reduce shipping dimensions and provid...

  • Page 35

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 26 interconnecting refrigerant piping the chiller and remote condenser ship with a nitrogen holding charge. Evacuation of this charge is required before charging with refrigerant. Th...

  • Page 36

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 27 figure 13 – condenser located with no elevation difference figure 14 – condenser located above chiller unit condenser width to be same as condenser width chiller 15" minimum at li...

  • Page 37

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 28 figure 15 - condenser located below chiller unit note: liquid line sizing for each chiller capacity is in table 7. These line sizes are listed per circuit and apply where leaving ...

  • Page 38

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 29 table 6 – equivalent lengths of fittings line size od inches equivalent lengths of refrigerant pipe (feet) elbow 90° standard elbow 90° long radius elbow 90° street elbow 45° stan...

  • Page 39

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 30 table 7 – liquid line sizes for r410a 10 ton circuit (r410a) 15 ton circuit (r410a) total equivalent length (ft) liquid line size (inch od) total equivalent length (ft) liquid lin...

  • Page 40

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 31 table 7 – liquid line sizes for r410a (continued) 30 ton circuit (r410a) 40 ton circuit (r410a) total equivalent length (ft) liquid line size (inch od) total equivalent length (ft...

  • Page 41

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 32 table 7 – liquid line sizes for r410a (continued) 80 ton circuit (r410a) total equivalent length (ft) liquid line size (inch od) horizontal or downflow upflow 1 to 5 ft upflow 6 t...

  • Page 42

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 33 figure 17 - double discharge riser note: discharge line sizing shown in table 8 and table 9 are listed per circuit and applies where leaving water temperature (lwt) is 40°f or hig...

  • Page 43

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 34 table 9 - upflow discharge line sizes for r410a (inches od) circuit tons total equivalent length (ft) 25 50 75 100 125 150 175 200 225 250 275 300 10 a - ⅜ a - ⅜ a - ⅜ a - ⅜ a - ⅜...

  • Page 44

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 35 oil charge determination the chiller is factory charged with the amount of oil required by the chiller only and not the total system. The amount of oil required is dependent upon ...

  • Page 45: Installation - Electrical

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 36 installation - electrical all wiring must comply with local codes and the national electric code. Minimum circuit amps (mca) and other unit electrical data are on the unit namepla...

  • Page 46

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 37 table 13 – esew & eser single-circuit chiller electrical data (60 hz) model main power (3-phase, 60 hz) compressors chiller rated allowable qty rla 1 lra 2 mca 3 mopd 4 min max (e...

  • Page 47

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 38 table 14 – esew & eser single-circuit chiller with standard flow pump set electrical data (60 hz) model main power (3-phase, 60 hz) compressors pumps chiller rated allowable qty r...

  • Page 48

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 39 table 15 – esew & eser single-circuit chiller with high flow pump set 1 electrical data (60 hz) model main power (3-phase, 60 hz) compressors pumps chiller rated allowable qty rla...

  • Page 49

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 40 table 17 – esew & eser dual-circuit chiller electrical data (60 hz) model main power (3-phase, 60 hz) compressors chiller rated allowable qty rla 1 lra 2 mca 3 mopd 4 min max (eac...

  • Page 50

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 41 table 18 – esew & eser dual-circuit chiller with standard flow pump set electrical data (60 hz) model main power (3-phase, 60 hz) compressors pumps chiller rated allowable qty rla...

  • Page 51

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 42 table 19 – esew & eser dual-circuit chiller with high flow pump electrical data (60 hz) model main power (3-phase, 60 hz) compressors pumps chiller rated allowable qty rla 1 lra 2...

  • Page 52

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 43 table 21 – single-circuit remote condenser electrical data (60 hz) model main power (3-phase, 60 hz) variable-speed fan (1-phase) constant speed fans (3-phase) total fla 2 mca 3 m...

  • Page 53

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 44 table 22 – dual-circuit remote condenser electrical data (60 hz) model main power (3-phase, 60 hz) variable-speed fan (1-phase) constant speed fans (3-phase) total fla 2 mca 3 mop...

  • Page 54: General Control Operation

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 45 general control operation system initialization upon power-up, the first screen to appear is the start-up screen as shown in figure 18. This screen will display while the programm...

  • Page 55: Home - System Overview

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 46 home - system overview system overview the system overview screen (home screen) provides an overall synopsis of the chiller system. It also provides quick links to other views as ...

  • Page 56: Home – Full Screen

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 47 home – full screen the full screen (figure 21) provides a simplified view of the ese chiller. The setpoint and process temperatures appear in a large font easily seen from a dista...

  • Page 57

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 48 home – pump control (optional) pump control screen (optional) the pump control screen (figure 23) displays pertinent pump status information for a system with integral pump contro...

  • Page 58: Menu 1 - Overview

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 49 menu 1 - overview menu 1 (figure 25) provides a common location for most adjustments and settings. Descriptions of each section are in detail within this manual. Access to some of...

  • Page 59

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 50 table 24 – menu 1 functions function description screen reference alarms a listing of all active, history, and frequency of system alarms. Figure 26, figure 27, figure 28, figure ...

  • Page 60: Menu 1 - Alarms

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 51 menu 1 - alarms alarms active when a critical system fault occurs, the controller activates the hmi alarm handler (figure 26). This forces the alarm screen to appear and will disp...

  • Page 61

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 52 alarm setup alarm set points and timers are modifiable on the alarm setup screen (figure 28). Figure 28 – alarm setup alarm glycol if the chiller setpoint goes below 45°f {7°c}, t...

  • Page 62: Menu 1 - Compressor Data

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 53 menu 1 – metric units/imperial units all units of measures within all menus and screens can be changed from metric to imperial and back again using this button. The units of measu...

  • Page 63

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 54 figure 31 – circuit data screen (remote air-cooled condenser chiller) compressor data screen – interlocks touching the interlock button on the bottom of the compressor data screen...

  • Page 64

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 55 figure 33 – critical interlocks figure 34 – refrigeration interlocks.

  • Page 65: Menu 1 – Modbus/bas

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 56 menu 1 – modbus/bas modbus rtu/bas setup screen this modbus bas setup screen (figure 35) can enable or disable the modbus rtu capability. It also displays the current modbus data ...

  • Page 66

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 57 menu 1 – exv1 expansion valve setup exv1 expansion valve setup screen figure 38 – exv1 expansion valve setup screen table 25 – exv1 setup parameters menu item description default ...

  • Page 67

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 58 menu 1 – exv2 hot gas bypass setup exv2 hot gas bypass setup screen (optional) figure 39 – exv2 hot gas bypass screen table 26 – exv2 setup parameters menu item description defaul...

  • Page 68

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 59 menu 1 – water regulating valve (wrv) setup wrv water regulating valve setup screen an electric condenser water-regulating valve is standard on all chillers with a water-cooled co...

  • Page 69

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 60 menu 1 – compressor staging/pid compressor staging setup screen figure 41 – compressor staging setup screen table 28 – compressor staging setup parameters menu item description de...

  • Page 70

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 61 compressor staging graph screen the staging graph screen (figure 42) depicts the process value versus the process setpoint. As the process value increases above the setpoint, the ...

  • Page 71

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 62 compressor staging local screen the compressor staging local screen (figure 43) depicts the stage order of the local chiller. The stage order will auto calculate based off of the ...

  • Page 72: Menu 1 – Inputs/outputs

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 63 menu 1 – inputs/outputs inputs / outputs screens the inputs/outputs screens provide the status of all digital inputs, digital outputs, analog inputs and outputs. X’s are discrete ...

  • Page 73

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 64 menu 1 – temperature offsets rtd temperature offset adjustment the entering water rtd and lwt manifold rtd (dual circuits or master/slave systems only) are adjustable. To change, ...

  • Page 74

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 65 menu 1 – process control leaving/entering sensor selection there are two selections for the temperature control mode, leaving water control or entering water control. To make a ch...

  • Page 75: Menu 1 – Pumps Setup

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 66 menu 1 – pumps setup pump setup screen figure 50 – pump setup screen table 31 – pump setup parameters menu item description default value mode automatic: allows for automatic time...

  • Page 76: Menu 1 – Tank Setup

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 67 menu 1 – tank setup tank setup screen the tank setup screen (figure 51) displays tank options, inputs and outputs. The tank enable/disable option is located in the lower right han...

  • Page 77: Menu 1 – Counters

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 68 menu 1 – counters counters screens once powered up, the control system keeps track of certain inputs and outputs. Every time an input or output is activated a counter will record ...

  • Page 78: Menu 2 - Overview

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 69 menu 2 - overview figure 55 – menu 2 table 32 – menu 2 functions function description screen reference hardware options selected displays the current hardware configuration figure...

  • Page 79

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 70 menu 2 – hardware options selected hardware options screen the hardware options screen (figure 56) shows an overall status view of the current hardware options enabled. This is a ...

  • Page 80: Menu 2 - Date/time

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 71 menu 2 - date/time the date/time screen is where the system date and time is set. The system date and time stamps any alarms. Menu 2 – system menu this menu is part of the hmi man...

  • Page 81

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 72 figure 58 – factory settings restored menu 2 – remote setpoint setup when the remote setpoint option is enabled, an incoming 4-20ma signal controls the setpoint of the master chil...

  • Page 82: Menu 2 – Trending

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 73 menu 2 – remove sd storage this is an optional feature and is only active if programmed as such from the factory. This feature allows data logging to an sd storage card. When acti...

  • Page 83

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 74 menu 2 – plc link setup plc link (master/slave) setup screen this screen can enable or disable the master/slave capability. It also displays the current linked data. Each chiller ...

  • Page 84: Start-Up

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 75 menu 2 – touch calibration this is a firmware menu provided by the hmi manufacturer to allow the touch sensitivity and operation to be fine-tuned. Hmi calibration occurs at the fa...

  • Page 85

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 76 step 2 - fill coolant circuit check to make sure all process chilled-water piping connections are secure. Fill the chilled water reservoir with the proper water or water/glycol so...

  • Page 86

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 77 table 33 – fill water chemistry requirements water characteristic quality limitation alkalinity (hco 3 - ) 70-300 ppm aluminum (al) less than 0.2 ppm ammonium (nh 3 ) less than 2 ...

  • Page 87

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 78 step 5 – verify freezestat setting make sure the freezestat is set appropriately for the operating conditions of the chiller. The freezestat is in a password-protected menu of the...

  • Page 88: Preventive Maintenance

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 79 safety is the absolute lowest pressure allowed for operation. At start-up, the control system ignores the low refrigerant pressure alarm for a period of 2 minutes to allow the sys...

  • Page 89

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 80 4. Check each refrigerant sight glass for air bubbles or moisture indication. Bubbles in the refrigerant indicate either low refrigerant charge or excessive pressure drop in the l...

  • Page 90: Cleaning The Operator

    Corporate office: 724.584.5500 instant access 24/7 (parts and service): 800.458.1960 parts and service : 814.437.6861 81 cleaning the operator interface use of abrasive cleaners or solvents may damage the window. Do not scrub or use brushes. To clean the display window: 1. Disconnect power from the ...

  • Page 91

    Plc input card replace if faulty evaporator y-strainer clogged or dirty clean y-strainer insufficient cooling (temperature continues to rise above set point) process load too high check to make sure chiller is properly sized for process load coolant flow outside of normal operating range adjust flow...

  • Page 92: Drawings

    Preventive maintenance checklist the following is a sample of a typical dual-circuit chiller checklist. Maintenance activity week number 1 2 3 4 5 6 7 8 9 10 11 12 date temperature control pump discharge pressure refrigerant suction pressure #1 refrigerant suction pressure #2 refrigerant discharge p...

  • Page 93: We’Re Here To Help

    We’re here to help 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 analyze the nature of your problem...

  • Page 94: Equipment Guarantee

    Equipment guarantee 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 service for which it was recommended (except for parts that are typically replaced aft...