ARPrv Control v1.0 User Manual doc-v1.0
Contents
1. Display Toggles Between SP and the Value Y Display Toggles Between OS and the Value Hold SetUp Button Change Value From 0 30 C Display Toggles Between OFS and the Value LA Display Toggles Between trP and the Value Hold SetUp Button Change Value Display Toggles Between OSP and the Value From 10 60 Minutes Display Toggles Between C or F and the Value Hold SetUp Button until Desired Setting Display Toggles Between C H or C L and the Value Displayed Display Toggles Between ItO and the Value Hold SetUp Button Change Value From 0 30 C Display Toggles Between ItP and the Value Store Change All Modes B Ed Press On Off utton Power Off Control Fig 3 ARP Button Flow Chart Press On Off Button to Power Off Control after AbS has been Displayed Press Display SetUp Buttons Simultaneously StO Displays Release Buttons E ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L C All rights reserved 7 3 13 Set Up Mode Variable Definition The following table is a quick reference for for the button sequence and the operators using the Set Up mode for fine Troubleshooting Guide starting at section tuning their control Please see Fig 3 above 6 1 for detailed variable explanations L2. Display Erz Auto Tune Value SP AtO not operator adjustable set during Auto Tune Session bS Absolute Maximum Boiler Temp SetUp button resets this value to zero LED reads LO Total Trigger Events SetUp button resets this value to zero ED A SetUp button raises this value to a maximum of 30 then Operator Raise Set Point returns to zero SetUp button raises this value to a maximum of 30 then Over Shoot Temp Elevation returns to zero SetUp button raises this value to a maximum of 30 then OFS LED Temp Compensation returns to zero SetUp button changes by a value of 10 minutes to a trP Initial ARP Period min maximum of 60 minutes then returns to zero SetUp button changes by a value of 10 minutes to a Over Shoot Period min maximum of 60 minutes then returns to zero Display Units Celsius or Fahrenheit SetUp button Toggles between Celsius and Fahrenheit C H L SetUp button Toggles between Default High Set Point EZ or C Control High or Control Low or Low Set Point SetUp button raises this value to a maximum of 30 then Internal Temperature Offset returns to zero me Internal Temperature ABS MAX Not adjustable stored and saved permanently CONCLUSION The ARP monitors the absorption refrigerators boiler temperature and automatically turns on and off the heat source to protect the refrigerator When the ARP is installed and used properly it will extend the life of your refrigerator and save energy whil
3. Overheat Turn off Heat A A Source Recording Mode Mode Auto Tune SetUp Mode I Press and Hold Display Button Momentarily Press ON OFF Button LED Briefly Displays SPO Release All Buttons I Control Measures Boiler Temperature LED Display Flashes Dot1 Control Measures Boiler Temperature Heat Source Hold Off Period Display Shows Hold Off Countdown Time in Minutes 010 009 008 001 End Hold Off Period Boiler Temp Drops YES Restart Heat Source Over Shoot Period Starts B Over Shoot Period End NO Display Time 000 Until Temp Drop Dot1 Dot3 Flash ES gt Elevated Set Point Press and Hold Press and Hold Display SetUp SetUp Button Button Momentarily Press Momentarily ON OFF Button Press ON OFF I Button LED Alternately I Toggles Between LED Briefly AtO and the Value Displays Release All At Buttons Release All I Buttons Push Display I Button to Advance Control Measures Next Variable C Boiler for Following Temperature Sequence LED Display Flashes Doti Display Toggles Between AbS and the Value D OY Display Toggles Between tr and the Value Hold SetUp Button Till Zero Is Viewed
4. then select functions within the selected mode Within this chart are letters that reference the following notes which further clarify the operation ARP Control Mode A When the boiler overheats the ARP turns off the heat source by activation of the relay The display shows the present Hold Off period being counted down in minutes The duration of the Hold Off period is a function of how many times the control has detected an overheat situation B Once the ARP turns back on the heat source Dot1 amp Dot3 will flash for the duration of the Overshoot period If the ARP does not detect an overheat situation during the Overshoot period the control will resume normal operation by displaying the single Dot1 SetUp Mode C Press the Display button to view the next variable D To change the value of a variable in the SetUp Mode hold the SetUp button until the desired value is displayed E Once the desired value is shown the value may be stored by holding the Display and SetUp buttons simultaneously StO will be displayed when the changes are stored successfully ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L C All rights reserved Button Selection amp Modes Ga iL i ARP Control Mode I Momentarily Press ON OFF Button I LED Briefly Displays ArP LED Display Flashes Dot1 Control Measures Boiler Temperature Boiler
5. to start the Auto Tune mode 3 When the ARP front panel displays At release all buttons Dot1 will flash while recording 4 Run inthe Auto Tune mode for 24 hours Half of this time the refrigerator should be placed in the LP gas operation mode and the other half in the 120VAC operation mode 5 When you are finished running Auto Tune press the On Off button This will turn off the ARP and save all of the parameters IN CAUTION After running Auto Tune we recommend placing the control in the Set Up mode Check the value of AtO variable If AtO is greater than 250 C 482 F most likely the RTD has been installed either too close to or on the flue tube This will destroy the RTD please contact technical support for assistance If the AtO value is greater than 210 C 410 F please contact technical support for assistance there may be a problem with your cooling unit the ARP control can not compensate for any preexisting conditions or faults in your cooling unit Finally many fridge installs such as in slide outs require fans for proper cooling air circulation The installer must test and confirm proper cooling air circulation in the cooling unit compartment If your cooling unit has a factory fan it must be working properly in order for the ARP Auto Tune process to work properly ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L C All rights reserved 5 3 7 ARP Control Mode After running Auto Tune
6. C All rights reserved 3 OPERATION Dot 1 Dot 2 Dot3 Display US Pat 8056360 On Off Display On Off Display button button Optional data collection cable Setup button Fig 2 ARPrv Control Panel 3 1 Initialization of the ARP Controller You operate the ARP using the buttons on its front panel Information is displayed using bar and dot LEDs in the display area Once the ARP has been properly installed you must test the wiring by activation of the relay and the RTD function as described in sections 3 8 and 3 10 Next run the ARP Auto Tune function to set the parameters unique to your refrigerator After setting Auto Tune there are two set point methods EZ Set Point Method Control High and the operator adjustable Control Low Set Point Method more on these modes in section 3 4 and 3 5 3 2 Button Sequence amp Control Functions Referencing Fig 2 the ARP has three push buttons The On Off button on the left is purely a momentary push button where momentary means to press the button and release it immediately The center Display and right SetUp buttons are used as both momentary and press hold buttons depending on the function desired Please see section 3 12 for details of how to setup the control 3 3 ARP Control Modes The ARP has 4 modes of operation which perform different tasks as follows 1 ARP Control Mode This mode is initiated by momentarily pressing the On Off butt
7. US Pat 80 On Off Display SetUp ARPrv Control v1 0 User Manual doc v1 0 Terms Conditions amp Contact Information This manual is copyrighted by ARPC L L C 2013 2014 All rights are reserved This manual may only be reproduced with permission of ARPC L L C This manual is furnished for informational use only and is subject to change without notice This manual does not imply any commitment on the part of ARPC LLC or its business partners ARPC L L C and its business partners assume no responsibility or liability for any error or inaccuracies that may appear in this manual By use of this document for installation and operation of the ARP Control the user is agreeing to the ARPC L L C terms and conditions found in document ARPC LLC License Agreement pdf Also the end user needs to understand Section 1 6 ofthe User Manual the end user has been informed that the ARP Control can be turned off at any time thereby removing the ARP Control function and reverting to the operation of the refrigerator to its previous state Power surges can turn off the ARP Control just the same as any equipment in an RV The document ARPC LLC License Agreement pdf can be downloaded at web address http www ARPrv com or please send any request to e mail address below ARPC L L C will supply information in a timely manner ARPrvSafe gmail com CONTENTS SAFETY sanieren 1 1 Acronyms and Abbreviallonsa eeneeeae nn a a 1 2 Hazard Informat
8. e ARP control can be turned off using the On Off button The end user does not need to fear a potential situation where the ARP Control keeps the refrigerator from performing its normal function Thus when the ARP Control is off your refrigerator is still protected by the manufactures safety devices It is the end user s responsibility to insure that the ARP Control is installed and functioning properly at all times this includes the state of the control being turned on or off IN DANGER Never remove or bypass any manufacture safety device when installing the ARP Control Be aware that the ARP Control can be turned off thereby preventing its function Know and understand you RV electrical system and its integrity for proper ARP Control use RV electrical systems integrity are complex due to the inclusion of charging systems such as solar systems generator inverters and 120VAC chargers just to mention a few sources of electrical disruption that can result in disruption of ARP Control function Always consult a certified RV repair facility and or the manufacture of your RV if you are concerned about safety issues ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L C All rights reserved 2 INTRODUCTION 2 1 How Does the ARP Help The ARP is a monitoring device for RV refrigerators The ARP turns off your cooling unit heat source if refrigeration is not taking place The ARP control will automatically attempt to restar
9. e are many ways to install the ARP Make safety your first priority The installer s knowledge skill and ability are important for safely installing the system If you are unsure of your ability to do the installation have a qualified installer do the work 1 4 Terms amp Warnings Symbols Imminent hazards which DANGER if not avoided will result in serious injury or death Potential hazards which if a WARNING not avoided could result in serious injury or death Potential hazards which if CAUTION not avoided could result in minor or moderate injury 1 5 Operation Safety The ARP Control and ARPrvSafe infer that the use and operation of this control can add a level of safety to your absorption refrigeration system in your RV No other RV absorption refrigerator control monitors the boiler temperature and turns off the heat source to the refrigerator before damage can be done to the internal fluids in the refrigerator cooling unit The ARP cannot prevent RV refrigerator failure if the manufacture built the cooling unit in a manner that would result in premature failure 1 6 ARP Control and your Refrigerator The ARP Control is designed to work in conjunction with the manufactures safety devices that are presently on your RV refrigerator Many of the manufactures over temperature devices have proven to turn off the refrigerator unnecessarily rendering the refrigerator useless Due to this common complaint th
10. e improving fire safety
11. eration before locking out the restoration of power to the refrigerator device At this point you must resolve the conditions that are causing the boiler to overheat WARNING If the ARP attempts to restore the heat source to your refrigerator and fails the operator must determine if there is an unsafe condition present and remedy the cause of the unsafe condition Turning off the ARP and restarting your refrigerator should be preformed by qualified service personal that are capable of dealing with any issues that may arise 3 5 User Adjustable Set Point Method C L This control method is for advanced users that want to fine tune the ARP for their particular refrigerator to achieve its maximum protection The operator must place the ARP into the Set Up mode to activate this set point method Please see Fig 3 and the Troubleshooting Guide for more on this subject 3 6 Auto Tuning Auto Tune must be run the first time the ARP is powered on after confirming that the ARP is functioning correctly For most installations Auto Tune will only need to be run once Each time Auto Tune is run the previous stored settings will revert to default settings To Auto Tune the ARP perform the following steps 1 Level your RV and remain parked during the Auto Tune session Turn on your refrigerator and make sure it is functioning properly 2 Hold down both the Display and Setup buttons and then momentarily press the On Off button
12. ion ses ei 1 4 Terms amp Warnings Symbols zu tala aata dalla k 1 5 Op rati Safety MAATA AUASTME 1 6 ARP Control and your Refrigerator ENEE INTRODUC HON E 2 1 How Does the ARP Help 2er ee 2 2 How Does the ARP Work neun 2 3 User Install Supplement Manuals een OPERATION irssi etine a Er a RAA AR Ae ARAR a a E A A R 3 1 Initialization of the ARP Controller Ae 3 2 Button Sequence 8 Control Funchons nn 33 ARP Control Modes een 3 4 EZ SetPoint Method CH ee en 3 5 User Adjustable Set Point Method CL 3 6 Auto TUNING essen babe 21 ARP Rettel E 3 8 Displaying Boiler Temperature EE 3 9 Displaying Circuit Temperature ana EENS Ee aa a re Zelt WE 3 11 Ze e E 3 12 ARP Modes and Button Selection Flow Charts 3 13 Set Up Mode Variable Definition ee KANZLER eek 2014 ARPC L L C All rights reserved ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L C All rights reserved 1 SAFETY 1 1 Acronyms and Abbreviations ARP ARP Control ARPrv Control GND Ground NC Normally Closed Relay Contact NO Normally Opened Relay Contact P N Part Number RTD ARP Control temperature sensor Resistance temperature detector is the type of sensor used 1 2 Hazard Information Hazard information includes terms symbols and instructions used in this manual or on the equipment to alert operating and service personnel to the recommended precautions in the care use and handling of the ARP 1 3 Work Safely Ther
13. on Within this mode there are two set point methods described in sections 3 4 and 3 5 2 Recording Mode This mode will not activate the ARP relay if there is a boiler over heat situation This mode is purely for diagnostics This mode is initiated by holding down the center Display button momentarily press the On Off button When the display shows SPO release the Display button 3 Auto Tune Mode Defined below in section 3 6 4 Set Up Mode This mode is for operator adjustments if the user does not want to run the controller using the EZ Set Point ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L C All rights reserved 4 Method Control High more on this in section 3 4 3 4 EZ Set Point Method C H After Auto Tune is complete and the control is inthe ARP Control mode the ARP begins detecting excessive boiler temperatures using default parameters The default is the EZ Set Point mode which has a set point that will prevent damage to the cooling unit and will work with most refrigerator installations but the refrigerator may have difficulty restarting automatically in this mode When an excessive temperature is reached the ARP opens the relay to turn off power stopping your refrigerator from overheating After an appropriate cool down period the ARP signals the relay to close and the normal refrigerator operation resumes As a safety measure the ARP makes 5 consecutive attempts to resume normal op
14. press the On Off button again to turn on the ARP Control mode The ARP automatically defaults to the EZ Set Point Method after Auto Tune At this point you are ready to use the ARP if you do not want to change the set point method to C L The ARP is now monitoring the temperature at the sensor location and will open the relay if overheating is detected 3 8 Displaying Boiler Temperature The boiler temperature may be displayed on the LED during all modes of operation with the exception of the Set Up mode Press and hold the Display button to show the measured boiler temperature Release the button to turn off the temperature display 3 9 Displaying Circuit Temperature When in ARP Control mode press and hold both the Display and SetUp buttons to show the present circuit temperature Upon releasing the buttons the relay will activate press the SetUp button again to resume ARP Control mode 3 10 Relay Test To test the ARP relay momentarily press the SetUp button while in ARP mode The display will read OFF and the refrigerator and or the heat source will be turned off ifthe control is functioning properly Press SetUp again to resume normal operation 3 11 Error Message Please see the Troubleshooting Guide for ARP display error messages 3 12 ARP Modes and Button Selection Flow Charts Fig 3 is a flow chart that shows the sequence of button press that the operator would use to place the ARP into a particular mode and
15. t your refrigerator 2 2 How Does the ARP Work RV absorption refrigerators work by boiling a fluid mixture that includes water and ammonia The ammonia turns into a gas that rises and separates from the water mixture It then condenses into a liquid that flows through the cooling unit tubing As it does this it absorbs heat thereby cooling the refrigerator RV refrigerators are notoriously unsafe when operated off level or in a variety of temperature and pressure conditions If Controller Relay amp ew On Off j Display SetUp DN the boiler in your RV refrigerator overheats the cooling tubes are stressed which may lead to early failure or even a rupture that leads to a fire The ARP monitors the actual boiler temperature of your RV refrigerator to detect conditions that can be unsafe and in turn turn off the boiler heat source to prevent overheating 2 3 User Install Supplement Manuals Please check the General Install Manual and the Install Supplements for various refrigerators make and model information The user should read all manuals to fully understand the installation and use of the ARPrv Control Termperature sensor Green White RTD Twisted Pair Wire ames K LAI Black ARP Relay White GND Twisted Pair Wire id Red White GND Twisted Pair Wire Fig 1 ARPrv Control Kit ARPrv Control User Manual DRAFT v1 0 02 14 2014 2014 ARPC L L
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