CCU—user manual and installation guide
Contents
1. 2 input frequency 11 See also electrical ratings K M keypad cemere See buttons loading factory defaults 24 maintenance iicet ede de dns 25 manual control mode ee ee ee ee 23 menu System etc ee ee Deeg haus 4 mounting the control ee se ee Ee ee ee 7 P POWO ieri See incoming power probes EE N See temperature probes programming active days inui pun 21 aCtive tiITie EE e Red te SE EE eg 20 ClOCK MEER 12 13 fan relayS EE ER tede eee teneris 18 humidity bypass eee 19 pumps connectirig eiue teers 8 33 Index R ratings xui er cete See electrical ratings real time COCK ee ee AA Ak ee 12 relays configuring iiid te sence EER ER 14 location ie een eH e EE 6 ratings iui die REPE DR iaa 2 5 resetting the control See factory defaults S selecting input frequency sese 11 Settings iare See programming start time esse se ee ed ee See active time stop time See active time 34 People Misters International T temperature probe CONNEEUNG EE eicere 6 temperature probes connecting n edet e deett ede 9 temperature units sse 14 testing equipment ee ee Ee ee AR ee ee 23 REG OE RE DE RR See clock V W MICE 24 voltage switch 6 See also incoming power Washing i tecti cta pectus 25 water PUMPS sireisas See pumps 2002. Lakeland Florida USA Fac aa 33810 E mail info peoplemisters com Web site www peoplemisters com 32 2005 10 03 CCU user manual Index A B attive dy RR EE RE EE ires 21 lede RE ie Pa cec eden 20 DULONS SERE 3 C Celsius SEE e Sad e RE eb Ue EE Ee e 14 circuit board layout sene 6 cleaning wets OE petet egi 25 ClOCK area Ee 12 13 configuring ER ER EE ie 14 connecting ER ER ea edente tard 8 humidity sensors esee 9 incoming DOWEF ee ee ee hani Re ANE ai ia 10 DUMDSE fetes tess Beatin ees detec 8 temperature probes essere 9 D E date t ce c ER E See clock display cablar sees ee see de ee eed ee EE ee ee ede ee 6 electrical ratings see ee ee ek ee 2 5 F factory defaults ensinei Re ee ee Re ee ee 24 Fahrenheit ss de dentes 14 fans connecting EE EE GE EE n Ee ee 8 programming relays ee ee ee 18 firmware version see ees se ee ee Re ee ee Re ee ee 24 it AR ER Rena 2 5 6 290430 rev 0 Index H high humidity bypass See humidity bypass humidity bypass seeem 19 humidity sensor connectirig 1 EE OE N daveacis 6 humidity sensors CONNEEUNG Es uin iio eredi nies 9 hysteresis se HER EERS irai ene ber Rennes 18 19 I inactive days ees sees ese ke ee ee See active days inactive time ese ee ee ee ee ee See active time incoming power 6 10 See also electrical ratings indirect evaporative cooling
3. A humidity buffer that helps avoid damage to the relays and equipment connected to them by preventing the relays from switching ON and OFF rapidly when the humidity is close to the set point See also semperature hysteresis The sensor for monitoring relative humidity Also called Relative Humidity Sensor RHS For humidity bypass the humidity above which a pump relay will not operate For example you can set the CCU to bypass the pump operation if the humidity is over 95 Fans relays will operate normally but pump relays will remain off See humidity hysteresis or temperature hysteresis The quantity of water vapor the air contains compared to the maximum amount it can hold at that particular temperature For example a relative humidity of 60 means the air contains 60 of the maximum moisture it can contain at the present temperature The warmer the air the more moisture it can hold 2005 10 03 CCU user manual relay sensor set point start time stop time temperature hysteresis temperature set point terminal block VAC voltage 290430 rev 0 Appendices An electromagnetic switch that is either ON closed or OFF open See humidity sensor See humidity set point ox temperature set point The beginning of the active time range of the day See also active time The end of the active time range of the day See also active time A temperature buffer that helps avoid damage to
4. at all cable entry points There are four main steps to installing the CCU Read all the steps before installing the CCU and then follow them steps in the order they are listed Read all the installation Select a suitable Wire the equipment Verify all wires are instructions and collect location and then and incoming power to connected properly all necessary items mount the CCU the CCU and then fasten the cover to the CCU Electrical ratings Input 115 230 VAC 50 60 Hz 1 A Relay 1 RLY 1 20 A 1 HP at 115 VAC 2 HP at 230 VAC Relay 2 RLY2 104 1 3HP at 115 VAC 1 2 HP at 230 VAC Input fuse 250 V 1 A fast acting glass e Relay 2 fuse 250 V 12 A slow blow ceramic 290430 rev 0 5 CCU layout People Misters International CCU layout HEHE lel EI En Eel fel eI o A Qo i s oez 1 pand F4 S Ea EN LI ON f R1 RLY Sine ribo E POWER L2 WO NNNNN 2 S H 1 CO OO Incoming power fuse F2 250 VAC 1 A non time delay glass fuse Voltage selection switch make sure you set this switch to the correct voltage before installing your CCU Display cable socket make sure the ribbon cable from the display
5. manual control mode on page 23 For care and maintenance tips see Maintaining the CCU on page 25 10 2005 10 03 CCU user manual Configuring the CCU Configuring the CCU After installing the CCU and becoming familiar with the buttons and display you need to configure the control Configuring the CCU consists of five steps Selecting the input frequency below Setting the clock on page 12 Selecting the temperature units on page 14 Configuring relays on page 14 Selecting the input frequency The CCU can operate with either 50 or 60 Hz input power The default is 60 Hz If you are using 50 Hz powet you need to change the input frequency setting Ek Consult your electrician if you are unsure which input frequency you are using If you select the wrong frequency the internal clock on the CCU will not function properly To select the input frequency 1 Scroll to the Maintenance menu and then press Select 2 Scroll tof FT LE and then press Select The current EE uen is displayed 3 Press Up or Down to move to the second line and then press Select 4 Press Up or Down to change the frequency and then press Select 5 Press Back twice to return to the Main menu 290430 rev 0 11 Setting the clock People Misters International Setting the clock The CCU uses an internal real time clock to keep track of time and days The clock counts time hours minutes and seconds and
6. the relays and equipment connected to them by preventing the relays from switching ON and OFF rapidly when the temperature is close to the set point For example a household thermostat might switch on a furnace at 69 F when the house is cooling down but switch it off at 72 F when the house is warming up The difference between these values and the set point is the hysteresis The temperature at which the relays switches ON or OFF The relays switch ON when the temperature rises above the set point and switch OFF when the temperature drops below the set point The part of your control where you connect the wires for incoming power pumps fans and so on Volts of alternating current Electromotive force or potential difference usually expressed in volts 31 Appendix D Obtaining service and technical support People Misters International Appendix D Obtaining service and technical support Your dealer will be happy to answer all technical questions If the CCU needs service after the warranty has expired contact your dealer Before contacting your dealer or People Misters check the following Serial number See CCU layout on page 6 A description of the problem A description of what you were doing when the problem occurred My dealer s name How to contact my dealer Street PO Box City State Province Zip Postal Phone Fax E mail Web site Phone 863 686 4558 4255 N l 4 Frontage Road
7. then press Select K and then press Select The current clock settings are displayed 3 Scroll to the second line and then press Select 4 Press Up or Down to adjust the day and then press Select If you want to adjust the time go to step 3 of the next section If you are finished press Back twice to return to the Main menu To set the time 1 Scroll to the Maintenance menu and then press Select K and then press Select The current clock settings are displayed 3 Scroll to the third line and then press Select The cursor moves to the hour position 4 Press Up or Down to adjust the hour and then press Select The cursot moves to the minute position 5 Press Up or Down to adjust the minute and then press Select 6 Press Back twice to return to the main menu 290430 rev 0 13 Selecting the temperature units People Misters International Selecting the temperature units The CCU can display temperatures in either degrees Fahrenheit or degrees Celsius The default is Fahrenheit If you will be using Celsius for programming set points and displaying temperatures you need to change the temperature units before programming the control To change the temperature units 1 Scroll to the Maintenance menu and then press Select 2 Scrollto Teg Lirri amp and then press Select The current setting is displayed 3 Press Up or Down to move to the second line and then press Select 4 Press Up or Down
8. to change the setting and then press Select 5 Press Back twice to return to the Main menu Configuring relays The CCU has two relays you can configure for pump or fan control The configuration must match the type of equipment connected to the relays Configuration Description use Control water pumps Control single speed fans Not used 14 2005 10 03 CCU user manual To configure relays 1 Scroll to the Configuration menu and then press Select 2 Scroll to the relay you want to configure and then press Select The current configuration is displayed 3 Press Up or Down to move to the second line and then press Select 4 Press Up or Down to change the relay configuration and then press Select 5 Press Back to return to the Configuration menu 6 Repeat steps 2 to 5 for each relay you want to configure and then press Back to return to the Main menu 290430 rev 0 Configuring the CCU 15 Configuring relays People Misters International 16 2005 10 03 CCU user manual Programming the CCU Programming the CCU Programming the CCU means telling it how you want it to control the equipment Programming consists of four steps Programming the temperature settings on page 18 Programming the humidity bypass on page 19 Programming the active time on page 20 Programming the active days on page 21 How the CCU settings work This example has a fan connected to rela
9. warning messageS ie se ee ee Ee ee ee ee ee ee ee ee ee 28 Appendix C GloSSAty s 3 i ane red daz Poir Me ele idet urine Pret eng ti eve keii eiaa Pbi tua Raetia 30 Appendix D Obtaining service and technical SuDPOF ed see ee ee RA enne 32 jns M ME UE 33 CCU user manual Introducing the CCU Introducing the CCU People Misters Complete Control Unit CCU is designed to automatically control equipment for indirect evaporative cooling systems The CCU monitors temperatures and humidity and efficiently and effectively controls the equipment according to user programmed settings The CCU has two relays that can be programmed to control pumps or single speed fans With the CCU s active day and active time settings you can program the control to operate only on certain days of the week and during certain hours of each day The humidity bypass feature allows you to bypass misting when humidity levels are too high The CCU is ideal for greenhouses and many other permanent or temporary indoor ot outdoor facilities All this from one powerful efficient and easy to use control Features e Easily programmable humidity and temperature based operation e Active day and active time programming Manual control mode for testing relays and equipment Two trelays for controlling water pumps and single speed fans Temperature probe Relative humidity sensor Sixteen character two line backlit LCD display di
10. 23 Displaying the firmware version People Misters International Displaying the firmware version Firmware is similar to operating system software for a computer Firmware contains instructions that tell the CCU how it operates Just like computer operating systems such as Windows M XP have version numbers the firmware has a version number If you need to contact People Misters Customer Support about your CCU you might need to provide them with the firmware version of your control For more information about technical support see Appendix D Obtaining service and technical support on page 32 When you display the firmware version the CCU displays a screen similar to the following To display the firmware version 1 Scroll to the Maintenance menu and then press Select 2 Scroll to F z i Cit and then press Select The CCU displays the version information screen 3 Press Back three times to return to the Main menu Loading the factory defaults Loading the factory defaults means restoring all configuration and settings to what they were when you bought the control Loading the factory defaults erases all your configuration and programming You will have to reprogram the control 24 2005 10 03 CCU user manual To load the factory defaults Scroll to the Maintenance menu and then press Select Scroll to ii41 E and then press Select A confirmation display appeats Press Up or Down to move to the sec
11. 28 Possible cause The hysteresis is too large The hysteresis is too small There is no power The ribbon cable is not connected The 115 230 VAC switch is in the wrong position The incoming power fuse F2 is missing or blown The probe is damaged or disconnected The sensor is damaged or disconnected Resolution Decrease the hysteresis setting For more information see Programming the temperature settings on page 18 Increase the hysteresis setting For more information see Programming the temperature settings on page 18 Make sure there is power to the unit Make sure the ribbon cable is connected For more information see Installing the CCU on page 5 Switch off the power set switch to the correct setting and then switch on the power Check why the fuse was blown and repair any problems Replace the fuse If the probe is disconnected reconnect it If the probe is damaged install a new one For more information see Connecting the humidity sensor on page 9 If the sensor is disconnected reconnect it If the sensor is damaged install a new one For more information see Connecting the humidity sensor on page 9 2005 10 03 CCU user manual Problem message The date or time is not correct A relay is not operating its load 290430 rev 0 Possible cause Daylight savings The wiring is incorrect There is no power to the load The equipment is damaged or fau
12. 5 10 03 Limited warranty This warranty applies only to the Phason Inc Phason CCU Complete Control Unit CCU If you need warranty service return the product and original proof of purchase to your dealer Phason warrants the CCU subject to the following terms and conditions This warranty is valid only to the original purchaser of the product for two yeats from the manufacturing date The manufacturing date is stated in the first eight digits of the serial number in the form year month day Phason hereby warrants that should this product fail because of improper workmanship Phason will repair the unit effecting all necessaty parts replacements without charge for either parts or labor Conditions Installation must be done according to our enclosed installation instructions The product must not have been previously altered modified or repaired by anyone other than Phason The product must not have been involved in an accident misused abused or operated or installed contrary to the instructions in our user and or installation manuals Phason s opinion about these items is final The person requesting warranty service must be the original purchaser of the unit and provide proof of purchase upon request All transportation charges for products submitted for warranty must be paid by the purchaser Except to the extent prohibited by applicable law no other warranties whether expressed or implied including warranties of mer
13. 7 2 2005 10 03 CCU user manual Introducing the CCU Using the buttons There are four buttons on the CCU that allow you to scroll through the settings and program the control Each time you press a button the CCU will make a beep sound Down button Back button Scroll down decrease a value Go back to the previous menu Up button Select button Scroll up increase a value Select an option advance the cursor Display the menu 290430 rev 0 3 Using the menu system People Misters International Using the menu system The CCU has a menu system that allows you to easily view the control s status program settings and configure the control The diagram below shows the menu order Status display Main Menu 1 Settings 2 Maintenance 3 Configuration Settings Maintenance Configuration 1 Temp Control 1 Manual Control 1 Relay 1 2 Humidity 2 Clock 2 Relay 2 3 Active Time 3 Temp Units 4 Active Days 4 Frequency 5 Defaults 6 Version To display the menu press the Select button from the main status display 4 2005 10 03 CCU user manual Installing the CCU Installing the CCU The following patts are included in the box e CCU Complete Control Unit Four mounting screws CCU user manual In addition to the parts included with the CCU you need to provide the following items Enough power cable to go from the incoming power supply to the CCU Watertight strain reliefs or conduit connectors
14. Complete Telaldgellf 1i Unit CCU user manual and installation guide Table of contents litroduens he GOM MEET a taut 1 UR ER AE AE inn HERD OR OE a e Eu eH OE 1 Electrical Tati QS EE AE OR ER OE EE EE IE EE RE N 2 About evaporative cooling EE tpe an i niin i win e d a de DR d vies e ug dee 2 About this triari al 1 t pier nM n RAUM ie iMi 2 Using the DUttoris 53 n e ERE RH Ge HOHER Et E HE HIE E ate a 3 Using the menu system oed eite teer e rre Ete ile Aptian Ree Ee hme IG Ree ES 4 Instaling he Els RE M 5 GCOU Iayout 5 EE OE EE EE EE NE OR OE UD imu 6 Warnings and installation Otos sse ee i ie nennen ee ee ee ee ee ee ee ee ee ee ee ee en nns 7 Mounting ae ORE EE ire RE EA EE ee 7 Connecting equipment to the terminals ie ee ee AR RA GR AA Ge ee RR Ge AA ee ee ee ee AA ee ee nennen 8 Connecting a DUMP inisinia OE UO ED Re Da Pa EE OR OR OE 8 Connecting a fan 152 0 3 Ie RH ede ERE ei e ER E EE St 8 Connecting the humidity SeNSOF ese se ee ee AA Ge AA Ke GR AA entren Re ee enn nnns sn Ge ee GRA intres ee nenne 9 Connecting the temperature probe iis ed se ee Ge RA ee AA ee ee AR Re ee AA de nnne ee nent ee AA ee AA ee eek ee 9 Connecting the incoming power ie ee AA Ge AR Re GR AA ee ee ee GR RA ee AA ee RR ee AA ee AA ee ee nnna 10 Finishing tie dnstallatlon iet EE EER ene bee ee ge oett e ree Set e n odia Se A ae eae 10 Config nngthe CO so cii eae oa AE d REK Er 11 Selecting the input
15. chantability and fitness for a particular purpose shall apply to this product Any implied warranties are excluded Phason is not liable for consequential damages caused by this product Phason does not assume or authorize any representatives or other people to assume any obligations or liabilities other than those specifically stated in this warranty Phason reserves the right to improve or alter the CCU without notice People Misters International 4255 N l 4 Frontage Road Lakeland Florida USA Phone 863 686 4558 E mail info peoplemisters com 33810 Fax 863 686 4668 Web site www peoplemisters com
16. damage inside the control will void the warranty j DO NOT spray the control using a high pressure washer this can damage the 26 2005 10 03 CCU user manual Appendices Appendices Appendix A Factory defaults You can teset the CCU to its factory defaults For more information see Loading the factory defaults on page 24 The table below lists the factory defaults for the CCU Menu and item Display items and defaults Settings Temp Setup Settings Humidity Settings Active Time Settings Active Days Maintenance Temp Units Maintenance Frequency Configuration Relay 1 Configuration Relay 2 290430 rev 0 27 Appendix B Troubleshooting and warning messages People Misters International Appendix B Troubleshooting and warning messages If you are having problems using the CCU or receive a watning message look it up in the table below and then follow the instructions to resolve the problem If you have a problem that is not listed here try to determine what might be causing the problem If you cannot resolve the problem call your dealer or People Misters Customer Support see Appendix D Obtaining service and technical support on page 32 Problem message The fan doesn t switch OFF ON until after a large change in temperature The fan switches OFF ON too often or continuously The display does not light up or display text The temperature is displaying as The humidity is displaying as EX
17. elapsed days A day starts at 0 hours 0 minutes midnight The CCU counts the time and when 24 houts has elapsed it moves to the next day The CCU uses 24 hour time The table below shows some common standard times and their 24 hour equivalents ENE TT NE 12 00 PM 12 00 AM 01 00 AM 01 00 PM 02 00 AM 02 00 PM 03 00 AM 03 00 PM 04 00 AM 04 00 PM 05 00 AM 05 00 PM 06 00 AM 06 00 PM 07 00 AM 07 00 PM 08 00 AM 08 00 PM 09 00 AM 09 00 PM 10 00 AM 10 00 PM 11 00 AM 11 00 PM RSs SESS OOTY The CCU starts counting time as soon as it is connected to an incoming power supply If the power fails and the unit has been powered up for at least 24 consecutive hours the clock will keep the time for approximately one month 12 2005 10 03 CCU user manual Configuring the CCU To set the clock 1 Scroll to the Maintenance menu and then press Select 2 Scroll to i and then press Select 3 Press Select The cursor moves to the month position 4 Press Up or Down to adjust the month and then press Select The cursor moves to the day of the month position 5 Press Up or Down to adjust the day and then press Select The cursor moves to the year position 6 Press Up or Down to adjust the year and then press Select 7 Ifyou want to adjust the day go to step 3 of the next section If you are finished press Back twice to teturn to the Main menu To set the day 1 Scroll to the Maintenance menu and
18. frequency via ioa ce deti e apte cet e e EE b pe pede ee ee ge EL Ege eden 11 Setting nle els ORE tetro Pact Fa La P ARE EE NR 12 Selecting the temperature uNitS ee se de RA ee AA Re AR Re nennen nent ee nnne AA de enne ensis nnne entere nnns 14 Configuring relays 3 pec cr AE RE EE ets 14 Programming the COU ace et hbro Mtn RE eoe Rex 17 Programming the temperature settings esse ee se ee ee Re ee ee Re ee Ge Re ee Ge nennen enne enne nnne 18 Programming the humidity bypDasS iese se ee ee ee ee Re ee ee ee ee Ge Re ee ee Re ee ee Re ee ee Re ee ee Re ee ee Re ee ee Re ee ee 19 Programming the active time cre date em Pec erede cte ena Fe cid e re de e e qd AE cr kg ee 20 Programming the active days cierre cen ett ee Ee ee Se cedit eek Se etd ee ee ee oed ee RE dp ge die 21 Using and maintaining the OC cer e ER EE oet ee Se RE Es Ec nadie Seeds 23 Using manual control mode oir fet e Tati a Pt t de pedea P Pet e de Ee 23 Displaying the firmware version iese ee ee ee ee ed ee AA ee ee ee GR RA Ge AA ee ee RR entente snis en nennen 24 Loading the factory defaults efnt tte serie ride t lavit eed ege etc e dee eee eae aed 24 Maintaining the COUJ eic cipe eere Cr pe ted EH OE RE EE N 25 Gleaning the GOW RR N m EE EE pt eet EE AE EE OE EE EE Ede ORE N 26 Appendices EE he Ee EG DE AE M HERR 27 Appendix A Factory dee EG AE EE EE EE ORE EO EE NIAE EINAT An 27 Appendix B Troubleshooting and
19. ing the active days 22 People Misters International 2005 10 03 CCU user manual Using and maintaining the CCU Using and maintaining the CCU After configuring and programming the CCU your conttol is ready to do the job you purchased it to do Howevet there are other things you can do such as test equipment using manual mode and mote There are four topics in this section Using manual control mode below e Displaying the firmware version on page 24 Loading the factory defaults on page 24 e Maintaining the CCU on page 25 Using manual control mode Manual control mode allows you to temporarily override the CCU settings and manually switch relays ON or OFF Manual control mode is useful for when you are performing maintenance or testing equipment When you enter manual mode all relays hold their state ON or OFF The relays hold their state until you change them or you exit manual mode When you exit manual mode the control returns to normal operation To use Manual Control Mode 1 Scroll to the Maintenance menu and then press Select 2 Scrollto Fi riis li Contr oi and then press Select 3 Scroll to a relay you want to change and then press Select 4 Press Up or Down to toggle the relay state between ON and OFF and then press Select 5 Repeat steps 3 and 4 for each relay you want to change 6 To exit manual mode press Back until you return to the Maintenance menu 290430 rev 0
20. is properly connected to this Socket Incoming power terminal connect the incoming power 115 230 VAC 50 60 Hz to this terminal Sensor terminal SENSOR connect the Relative Humidity Sensor to this terminal Temperature probe terminal TEMP connect the temperature probe to this terminal Relay 1 terminal RLY1 connect equipment to this terminal You can configure the relay as a pump or fan relay Relay 2 terminal RLY2 connect equipment to this terminal You can configure the relay as a pump or fan relay Relay 2 fuse F4 250 V 12 A slow blow ceramic fuse Serial number label if you need to contact People Misters Customer Support or require warranty service you will need to provide this number 2005 10 03 CCU user manual Installing the CCU Warnings and installation notes The CCU must be installed by a qualified electrician Before installing or servicing the CCU switch OFF the power at the source Install the CCU according to local electrical codes If any equipment such as a pump or fan connected to a relay exceeds the ratings of that relay you must install a power contactor for switching the load Failure to do this can damage the control and will void the warranty Use the electrical knockouts to bring wires into the enclosure DO NOT drill any other holes in the enclosure this could damage the control and void the warranty Use watertight strain reliefs or conduit connectors at all cable entr
21. lty The circuit breaker is open For relay 2 the fuse F4 is missing or blown The relay is blown Appendices Resolution Adjust the date or time For more information see Setting the clock on page 12 Correct the wiring For more information see Connecting equipment to the terminals on page 8 Switch on or connect the power Replace the equipment Reset the circuit breaker Check why the fuse was blown and repair any problems Replace the fuse Solve the problem that caused the relay to blow and then replace the circuit board using a kit 29 Appendix C Glossary People Misters International Appendix C Glossary AC active time evaporative cooling firmware humidity bypass humidity hysteresis humidity sensor humidity set point hysteresis relative humidity 30 Alternating current The range of hours of the day where the equipment operates according to programmed settings For example if you set the start time to 12 00 and the stop time to 20 00 the CCU operates all equipment normally during those hours Between 20 00 and 12 00 the CCU would not operate the evaporative cooling equipment Cooling achieved by evaporating water vapor in the air Water vapor is placed in the air by misters or foggers As the tiny water droplets evaporate they remove heat from the air The internal program instructions that tell the CCU how it operates See humidity set point
22. nt is the humidity above which a pump relay will not operate For example you can set the CCU to bypass the pump operation if the humidity is over 95 Fans relays will operate normally but pump relays will remain off Hysteresis is a humidity buffer that helps avoid damage to the relays and equipment connected to them by preventing the relays from switching ON and OFF rapidly when the humidity is close to the set point To program the humidity bypass 1 Scroll to the Settings menu and then press Select 2 Scroll to Hit i LP and then press Select 3 Scroll to 2 point and then press Select 4 Press Up or Down to adjust the percentage and then press Select 5 Scroll to Htizt and then press Select 6 Press Up or Down to adjust the percentage and then press Select 7 Press Back twice to tetutn to the Main menu 290430 rev 0 19 Programming the active time People Misters International Programming the active time Active time settings allow you to program the CCU to operate the evaporative cooling equipment only during a certain range of hours during the day For example if you set the start time to 09 00 and the stop time to 21 00 the CCU operates all equipment normally during those hours Between 21 00 and 09 00 the CCU would not operate the equipment W Active time equipment operates normally C Inactive time equipment does not operate ESSSSSSSSSSSSSSSSSSSSSSSSSSSSS _ SS HEHE To program the ac
23. om the sensor assembly and then insert the sensor through the large hole in the bottom of the enclosure 2 Fasten the sensor to the enclosure using the nut 3 Connect the sensor as shown below black blue red Connecting the temperature probe To connect the temperature probe 1 Remove the nut from the probe assembly and then insert the probe and strain relief assembly through the small hole in the bottom of the enclosure 2 Fasten the probe to the enclosure using the nut 3 Connect the temperature probe as shown below 22 TEMP red 290430 rev 0 9 Finishing the installation People Misters International Connecting the incoming power To connect the incoming power 1 Setthe voltage selector switch to the correct line voltage 115 or 230 VAC 2 Connect the incoming power as shown below L1 N POWER L2 L2 N Finishing the installation To finish the installation Make sure the equipment is propetly installed and connected to the correct terminals Switch on the incoming power at the source Verify the equipment functions properly see the tip below So om E Fasten the cover to the CCU using the four cover screws The CCU s Manual Control Mode can help you test the equipment and installation You do not need to configure the control or program any settings before using Manual Control Mode For more information see Using
24. ond line and then press Select Press Up or Down to change the fi to Y zx and then press Select The CCU loads the factory defaults Maintaining the CCU Using and maintaining the CCU Proper care and maintenance will help your CCU last longer To prevent damage to the control perform the following steps after the first two weeks of operation and once a year after that 1 2 Switch off the power to the control Remove the cover and check inside for moisture If there is any moisture wipe it away using a dry cloth Check all cable entry points to make sure they are properly sealed If they are not properly sealed apply silicone sealant around the entry points If you need to seal the enclosure use a sealant that is labelled as non corrosive electronics grade or neutral cure such as GE Silicone RTV6780B RTV 142 or RTV 162 Do not use a sealant that is labelled as acetic acid cure or acetoxy cure These sealants release acetic acid while curing which can damage the CCU and will void the warranty 4 Check all wites to make sure they are properly connected and that they are in good condition 5 Fasten the cover to the enclosure and then switch on the power to the control 290430 rev 0 25 Maintaining the CCU People Misters International Cleaning the CCU To clean the CCU wipe the surface with a damp cloth control and will void the warranty Evidence of moisture
25. splays status and programming information Four button keypad e Real time clock counts time and days Power failure memory protection Rugged enclosure corrosion resistant water resistant and fire retardant CSA approval Two year limited warranty 290430 rev 0 1 Electrical ratings People Misters International Electrical ratings Input 115 230 VAC 50 60 Hz 1 A Relay 1 RLY 1 20A 1 HP at 115 VAC 2 HP at 230 VAC Relay 2 RLY 2 10 A 1 3 HP at 115 VAC 1 2 HP at 230 VAC Input fuse 250 V 1 A fast acting glass e Relay 2 fuse 250 V 12 A slow blow ceramic About evaporative cooling Indirect evaporative cooling is commonly used in greenhouses but can also be used in many other types of permanent or temporary indoor or outdoor facilities Indirect evaporative cooling is achieved by evaporating water vapor in the air Water vapor is placed in the air by a combination of pumps and misters or foggers As the tiny water droplets evaporate they remove heat from the air Fans are often used to increase ait movement and help reduce temperatures even more About this manual The CCU user manual describes the features of the CCU and how to use them The manual is divided into six sections Introducing the CCU this section e Installing the CCU on page 5 Configuring the CCU on page 11 Programming the CCU on page 17 Using and maintaining the CCU on page 23 e Appendices on page 2
26. tive time 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 00 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 18 00 19 00 20 00 21 00 22 00 23 00 00 00 09 00 The CCU uses 24 hour time For a table of common standard times and their 24 hour equivalents see Setting the clock on page 12 1 Scroll to the Settings menu and then press Select 2 Scroll to Amt ive and then press Select 3 Scroll to t af t and then press Select The cursor moves to the hour position 4 Press Up or Down to adjust the hour and then press Select Repeat for the minutes 5 Repeat steps 3 and 4 for the Stop time 6 Press Back twice to return to the Main menu 20 2005 10 03 CCU user manual Programming the CCU Programming the active days Active days allow you to program the CCU to operate only on certain days of the week For example if you do not want to use the control on weekends you can program the CCU to bypass Saturdays and Sundays The default setting is active for all days of the week To program the active days 1 Scroll to the Settings menu and then press Select 2 Scroll to kt X and then press Select 3 Scroll to a day you want to change and then press Select 4 Press Up or Down to toggle between Yes and No and then press Select 5 Repeat steps 3 and 4 for each day you want to change 6 Press Back twice to return to the Main menu 290430 rev 0 21 Programm
27. when the temperature rises above the set point and switch OFF when the temperature drops below the set point Hysteresis is a temperature buffer that helps avoid damage to the relays and equipment connected to them by preventing the relays from switching ON and OFF rapidly when the temperature is close to the set point For example a household thermostat might switch on a furnace at 69 F when the house is cooling down but switch it off at 72 F when the house is warming up The difference between these two values and the set point is the hysteresis To program temperature settings 1 Scroll to the Settings menu and then press Select 2 Scrollto 3i and then press Select 3 Scroll to pGirit and then press Select 4 Press Up or Down to adjust the temperature and then press Select 5 Scroll toi t and then press Select 6 Press Up or Down to adjust the hysteresis and then press Select 7 Press Back twice to return to the Main menu 18 2005 10 03 CCU user manual Programming the CCU Programming the humidity bypass The humidity bypass allows you to program the CCU to bypass the pump operation when humidity levels are too high The humidity bypass affects only equipment connected to a relay that is configured for pump control The humidity bypass does not affect equipment connected to a relay that is configured for fan control Humidity settings include the set point and hysteresis The set poi
28. y 1 and a pump connected to relay 2 The settings are as follows Item Configuration Settings Active days Monday to Saturday Yes Sunday No Active time Start time 09 00 Stop Time 21 00 Temperature settings Set point 80 0 F Hysteresis 2 0 F Humidity bypass Set point 90 Hysteresis 5 e Active days the control operates Monday to Saturday The control does not operate on Sunday e Active time the control operates between 09 00 and 21 00 9 00 AM and 9 00 PM on each of the active days The control does not operate after 21 00 and before 09 00 Temperature settings the hysteresis forms a temperature buffer below the temperature set point 80 0 2 0 78 0 F When the temperature is below 78 0 F the fan and pump are off When the temperature rises above 80 0 the fan and pump switch on e Humidity bypass the hysteresis forms a humidity buffer below the humidity set point 90 5 85 When the humidity is below 85 the pump operates according to the temperature settings When the humidity is above 90 the pump does not operate The fan is not affected by the humidity bypass settings 290430 rev 0 17 Programming the temperature settings People Misters International Programming the temperature settings Temperature settings include the set point and hysteresis The set point is the temperature at which you want the relays to switch the equipment ON or OFF The relays switch ON
29. y points Mounting the CCU When selecting a mounting location follow the guidelines below e Select a location that is away from sources of heat Mount the control on a solid vertical surface Mount the control with the electrical knockouts facing down Will void the warranty AN Failure to follow the mounting guidelines can allow moisture into the control and To mount the CCU 1 Remove the cover from the enclosure 2 Fasten the CCU to the mounting surface using the fours screws provided 290430 rev 0 7 Connecting equipment to the terminals People Misters International Connecting equipment to the terminals Connect equipment to the CCU terminals as shown in the following diagrams When connecting equipment to the relays make sure the configuration for relay 1 and relay 2 matches what you have connected to them For more information see Configuring relays on page 14 Connecting a pump You can connect a pump to either RLY 1 or RLY 2 The pump must not exceed the ratings of the relay Connect a pump as shown below aS RLY 1 L1 L2 N Connecting a fan You can connect a fan to either RLY 1 or RLY 2 The fan must not exceed the ratings of the relay Connect a fan as shown below Be RLY 2 L1 L2 N 8 2005 10 03 CCU user manual Installing the CCU Connecting the humidity sensor To connect the humidity sensor 1 Remove the nut fr
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