SERVICE & SETUP MANUAL WATER HEATER
Contents
1. time Out2 time NOTES 1 Output 2 will function as an output temperature control when oS2 Std otherwise output 2 is an alarm output contact 2 S2c determines if St2 is relative to St1 or independent S2c dep or ind 3 Hy2 functionality same as Hy1 See OUTPUT 1 CALL FOR HEAT 6 4 OUTPUT 2 AS ALARM RELAY oS22AL 2ON REG 1 Output 2 will function as an alarm contact when 0S2 AL 2 When an alarm condition occurs Output 2 will be energized relay closes as an indication of an alarm condition 3 Terminals SPADE 6 amp 7 Page 15 24 PV500 41 10 2013 6 5 OUTPUT TEMPERATURE PROTECTION 30n rEG Kind of action Heating Reference probe TP1 or TP2 Terminals SPADE 8 amp 9 Related Parameters S3c St3 Hy3 LS3 uS3 AC3 3on o3P Probe2 Set3 Set3 Hy3 Out3 do Lo time NOTES 1 Output 3 can be used to enable pumps when temperature falls below a St3 2 will select the probe for Output Pb1 or Pb2 Page 16 24 PV500 41 10 2013 6 6 OUTPUT 3 ALTERNATE SET POINT Kind of action Heating Reference probe TP1 or TP2 Related Parameters St3 Hy3 L S3 053 515 Hy5 o3P SSE AC5 ACA NOTES 1 When SSE is enabled and Output 1 is in a de energized state off Output 3 will function according to St3 When Output 1 is in an energized state Output 3 will function accord2. __ __ __ MEN 0 3 amp 0 5 0 3 amp 0 5 513 03805 03805 Q lt 0 3 amp 0 5 0x304 0 3 amp 0 5 0x305 gt rr o gt 0 3 amp 0 5 0x306 0 3 amp 0 5 Configuration of St2 dependent on St1 or independent 0x308 03 amp 0 5 0x307 HY2 0 3805 0x309 o N 0 3 amp 0 5 0x30B gt N 03 amp 0 5 0x30A 09805 0x30F 09805 0x310 C 3 03 amp 0 5 03 amp 0 5 0 3 amp 0 5 03 amp 0 5 gt 7 ro oio lt 5 03805 03805 ANALOGUE OUTPUT 4 20mA outputa 0 3 amp 0 5 03 amp 0 5 0 3 amp 0 5 HY4 03805 Ac4 0 3 amp 0 5 Anti short cycle delay for output 4 0 3 amp 0 5 0 3 amp 0 5 DYNAMIC RESET o 0 3 amp 0 5 0 3 amp 0 5 0 3 amp 0 5 0 3 amp 0 5 Outdoor temperature threshold to open all the loads 40 230 F Pr2 Pr2 0x322 803 0 3 amp 0 5 Configuration of St3 dependent on St1 or independent Ox30D 0 3 amp 0 5 Differential for set point 3 513 22 22 F Ox30E Version Description X Y From X to Y Level Level Base 0 400004 Page 10 24 PV500 41 10 2013 Hex Modbus Fi Modbus Command irm Range Rev0 3 0 5 Address Address Label Version Description X Y From X to Y Level Level Base 0 uod 0 3 amp 0 5 Differential for restart working of controller 45 1 F Pr2 0x323 r NN esas pennis sa sa GM
3. Usually this is the primary CALL FOR HEAT Flashing Output 2 time delay Output 2 will not energize until AC2 time delay expires On 2 stage To exit the programming mode units only Or 052 is set to AL Output 2 is an alarm indicator and it is off Output 2 relay is on or the AL2 alarm output is enabled Spade mE 6 amp 7 are closed iL Output 3 time delay Output 3 will not energize until AC3 time delay expires ES ON POutput3relayison Spadecontacts8B amp 9areclosed 3 relay is on Spade contacts 8 amp 9 are closed s output signal is in manual control mode Parameter should be set to nu for automatic operation Or If dS1 or dS2 is set to display the modulation output value ANI yy Flashing Modulation is forced to value in i7S Modulation is forced to value 45 by digital digital input 1 a output signal is automatically controlled by temperature probe 1 Flashing Modulation output time delay is activated Modulation output will remain at 4mA until the AC4 time delay expires Or Modulation will remain in low fire until probe 2 is below TH4 by the amount of HY4 The outside temperature is displayed top or bottom display See 451 amp 452 FLASHING Digital input 2 alarm is activated TX FLASHING _ Digital input 3 alarm is activated FLASHING When both L andH are flashing other safety inter
4. Control Same for 20n b 1on oFF Output 1 is off c 1on on Output 1 is on any time the TempTrac is enabled Alarms will not disable On power loss this contact will be open and when the TempTrac displays OFF this will contact will be open This is no longer a control output and is not subject to alarms 5 Output 1 Spade terminals 4 amp 5 6 Output 2 Spade terminals 6 amp 7 7 Output 3 Spade terminals 8 amp 9 6 2 OUTPUT 1 CALL FOR HEAT 10n rEG Kind of action Heating Reference probe TP1 Terminals SPADE 4 amp 5 Related Parameters St1 Hy1 LS1 US1 AC1 i3F 1on Probe1 Set Hy1 S time Out1 time NOTES 1 When probe 1 TP1 falls below St1 a call for heat output will occur 2 Hy1 is the differential to prevent short cycling 3 When Hy1 is negative this will prevent the call for heat from starting until TP1 falls below St1 Hy1 The call for heat will continue until TP1 reaches or goes above St1 See chart above 4 If Hy1 is positive then the call for heat will start when TP1 falls below St1 and will stay active until TP1 rises above St1 Hy1 Not shown on chart Page 14 24 PV500 41 10 2013 6 3 OUTPUT 2 2ND STAGE 0 2 5 20 Kind of action Heating Reference probe TP Terminals SPADE 6 amp 7 Related Parameters S2c St2 Hy2 LS2 US2 AC2 0S2 2on Probe Set2 set2 Hy2
5. LED READOUT LOWER LED READOUT 3 1 KEYBOARD ON OFF Page 4 24 Displays and modifies the temperature set points In programming mode it selects a parameter or confirms an operation Displays and modifies the energy saving Night Time Setback settings In programming mode it browses the parameter codes or increases the displayed value Displays the working hours of the load relays In programming mode it browses the parameter codes or decreases the displayed value Changes lower display from inlet temperature to current time and day To set the current time and day Changes upper display between outlet temperature inlet temperature outdoor reset temperature modulation or the temperature difference between the inlet and outlet temperatures In programming mode it sets the modulation output 4 20mA Password is required 321 Switches the control ON or OFF PV500 41 10 2013 KEY COMBINATIONS QD lt lock and unlock the keyboard lt To enter the programming mode 3 2 LED ICON LEGEND LED MODE Function J O Temperatures are displayed in degrees Fahrenheit Temperatures are displayed in degrees Celsius Flashing Output 1 time delay Output 1 will not energize until AC1 time delay expires OR i3F Edi and the remote enable disable is in standby disabled amp ON Output 1 relay is on Spade contacts 4 amp 5 are closed
6. PS4 will be displayed in the lower display nu stands for not used Return to this condition for automatic operation 3 To adjust modulation manually push the key the value starts flashing Then use to modified it 4 To exit press and e wait 30s without pressing any key NOTE After a modification it will be possible to enter the Modulation output setting without entering the password for 10min After this time you will be asked for the password again 3 8 HOW TO SEE THE WORKING HOURS OF RELAY OUTPUTS 1 Push the e for more than 3 seconds 2 LED switches ON the display 2 will show ou1 and the display 1 will show the working hours of the relay 1 2 By pushing e the working hours of other outputs are displayed 3 To exit press and e wait 30s without pressing any key 3 9 HOW TO RESET THE WORKING HOURS OF RELAY OUTPUTS 1 To reset the working hours of a load enter Pr2 menu See section 4 3 2 Select the parameter ou1 for the output 1 or ou2 for output 2 or ou3 for output 3 3 Push the key and the value will start flashing use the CVM to decrease the value Page 7 24 PV500 41 10 2013 4 PROGRAMMING 41 SET POINTS PROGRAMMING 1 Push the key the upper display will show the 54 while the lower display will show its value 2 Use the CVM to see the set point to be modified 3 Push the key to modify the displayed value It starts flashing 4 To change it push the e e
7. sounds operation continues Maintenance Required hours neal on ou1 exceed setting in oP1 Clear ou1 Flashing P1 P3 Maintenance alert for second Audible alarm sounds operation continues Maintenance Required hours stage on ou2 exceed setting in oP2 Clear ou1 27 Flashing Maintenance alert for freeze Audible alarm sounds operation continues Maintenance Required hours on ou3 exceed setting oP3 Clear ou1 Flashing The real time clock has lost its Energy saving functions disabled Can occur after powered down for setting extended time Real time clock failure Energy saving functions disabled TempTrac requires replacement Page 22 24 PV500 41 10 2013 13 1 DIGITAL INPUT ALARMS Digital Inputs Polarity of the inputs is determined by the i1p i2p i3p parameters If they are set to CL closed then a signal is present when the input terminal has a connection to the common COM terminal 21 When the parameter is set to OP open then a signal is present when the input terminal does not have a connection to the common COM terminal Digital Input 1 Screw terminal 18 COM 21 1 When a signal is continuously present for number of minutes in parameter i1d the input is then ACTIVE 2 When i1F Yes Digital input 1 is assigned to the alarm function and considered only when there is a need for Output 1 When digital input 1 is ACTIVE AL 1 will flash and
8. temperature Eu Ege eee 0x357 rmm EL E Analog output at i1S extra time if Digital Input 1 is not 0 30 sec activated Ox35D Digital Input 1 Alarm Delay 07255 71 44 Ox35E o If Yes Digital Input 1 will function as Alarm Operating only when trying to call for output 1 and Input 1 is No Yes active subject to i1d timer Pr2 Ox35F 864 Digital Input 2 will function only when Output 1 is energized 0x360 Digital Input 3 will function only when Output 1 is energized When Edi is selected Output 1 will open No Yes Edi when digital input 3 is activated Ea Output 2 function either temp relay or alarm relay Std AL em Ox362 OR _0 amp 05 Probe 1 temperature DegreesF C 0x100 257 Probe 1 Information Status Normal 512 or 0x0200 bit 0 1 Gn probe Fault 515 or 0x0203 Fault will drop call for heat buz e Flash Yellow P1 light yellow valve M Pr2 0x101 258 0 3 amp 0 5 Probe 2 temperature Degrees F C 0x102 Probe 2 Information Status Normal 512 or 0x0200 bit 0 1 on probe Fault 515 or 0x0203 Fault will buz Flash Red P2 failure 0x103 0 3 amp 0 5 Probe 3 temperature Degrees F C 0x104 Page 12 24 PV500 41 10 2013 0 3 amp 0 5 Page 13 24 Probe 3 Information Status Normal 512 or 0x0200 bit 0 1 on probe Fault 515 or 0x0203 Fault will buz Flash Red
9. the Upper LED readout its value is displayed in the Lower LED readout 2 Pushing the or amp button alternates the LED readouts between the following e hour in the Upper readout and its value in the lower readout e Min minute in the Upper readout its value in the Lower readout e dAY day in the Upper readout its value in the Lower readout 3 To adjust a value press ne A button and the value in the Lower LED will start flashing Change the value by pressing the e When correct press Q 4 To exit push Q Q or wait 15 seconds without pressing any buttons NOTE This device recognizes Sunday as the first day of the week and Saturday as the last Page 6 24 PV500 41 10 2013 3 6 TO SET THE ENERGY SAVINGS TIME 1 Push the QD button for more than 3 seconds and the first parameter of the energy saving will be displayed 2 Use to browse them 3 To change a value push key followed by lt or 4 To exit press and QD or wait 30s without pressing any key 3 7 TO SET THE MODULATION OUTPUT MANUALLY 1 Push and hold the Q key for more than seconds LED switches ON and the PS4 parameter is displayed in the upper display while the PAS label is shown in the lower display The passkey will be required to view and manually change the modulation value Passkey is 321 2 Release the key and insert the password as described in the par 4 3 The value of
10. 000 You must reset hours ou1 or set oP1 0 we oruehbt ay OxDOO 3329 Maintenance Relay2 beep Flash Nn2 amp wrench 16384 or 0 4000 You must reset hours ou2 or set oP2 0 te e OxDOO 3329 Maintenance Relay3 beep Flash Nn3 amp wrench 32768 or 0 8000 You must reset hours ou3 or set oP3 0 eee 3329 On Off 257 0x0101 Off 1 or 0 0001 Can be used is ds to reset ALMMB alarm by cycling OFF wait 30 sec ON H08 8 Pr2 0x500 1281 Keyboard Lock Lock 2056 or 0x0808 Unlock 8 or Low byte is mask Hi 0 0008 If locked PoF is displayed when keypad edit is byte is command Bit attempted H3 amp 11 Pr2 0x500 1281 Reset audible alarm when condition is corrected 4112 EOM pyle d or 0x1010 does not reset alarm just stops the beepin commane Bt p ping 32 12 Pr2 0x500 Energy Savings Registers are enumerated 0 to 145 w 145 n u PV500 41 10 2013 6 RELAY OUTPUTS 6 1 OUTPUT SETUP AND SPECS 1 relay outputs SPST relay contacts going to spade terminals 4 9 2 The outputs are rated at 3A or 8A resistive load 3 Each output 1 3 can be controlled via Modbus RTU Communication by setting on or oFF to the 2on 3on parameters 4 Each output can be configured to operate as a control output typically for temperature control This is done when 2on 3on respectively are set to rEG This is the default setting a 1on rEG Output 1 is configured for Temperature
11. 4 amp 17 2 probe failure Open Audible alarm sounds Output 3 open Inspect probe 2 Screw terminals P2 shorted 15 amp 17 TP3 probe failure Open or Audible alarm sounds Dynamic reset of St1 disabled Warm weather shut down disabled Flue Gas Temperature Protection disabled shorted Inspect probe 3 Screw terminals 16 amp 17 HA High temperature limit set point Audible alarm sounds operation continues see ALu exceeded Low temperature alarm Audible alarm sounds operation continues see ALL ai Opens Output 1 Subject to need for Output 1 and 11 Automatic AL1 recover if the need for Output 1 is gone With the loss of Input 1 signal 9 alarm is still active until a button is pressed See i1P AL2 Digital Input 2 is ACTIVE for Audible alarm sounds There is a time delay before this alarm is ACTIVE one or more of the conditions Opens all temperature controlled outputs Lockout condition See oS2 listed in section Audible Alarm i2d i2P i2F Digital Input 3 is ACTIVE for Audible alarm sounds There is a time delay before this alarm is ACTIVE one or more of the conditions Opens all temperature controlled outputs Lockout condition This is also listed in section Audible Alarm the alarm for the ALMMB or ALOAF option code sometimes referred to as Alarm On Failure See i3d i3P Maintenance alert for call for Audible alarm
12. ALARMS 13 1 DIGITAL INPUT ALARMS 13 2 AUDIBLE ALARM 13 3 ALARM RECOVERY CO CO CO PV500 41 10 2013 1 TECHNICAL DATA Housing Self extinguishing ABS Case Facia 100x64 mm depth 76mm Mounting Panel mounting in a 56 72 mm panel cut out with two screws e 3x2mm Distance between the holes 40mm Protection IP20 Frontal protection IP65 with optional frontal gasket mod RGW V Connections Spade on connectors 6 3 mm for supply and relays and 4 20mA Screw terminals block for probes digital input Power supply 24Vac Class 2 Power absorption VA max Display Dual display Relay outputs 3 SPST relay contacts 3A 8A resistive load Other output Audible alarm 4 20mA modulation output Inputs 3 NTC probes Digital inputs 3 Dry Contact Hot key facility for fast programming Serial output TTL standard Communication protocol Modbus RTU Data storing On non volatile memory EEPROM Internal clock back up 24 hours Kind of action 1B Pollution grade Normal Software class A Operating temperature 32 140 F 0760 C Storage temperature 13 140 F 25 60 C Relative humidity 20 85 no condensing Measuring and regulation range NTC probe 58 230 F 40 110 C Resolution 1 F or 1 C selectable Accuracy ambient temp 77 F 1 F 1 digit 2 WIRING DIAGRAMS Analog Out Suppl 24 Ea Outs Out Outi Page 3 24 PV500 41 10 2013 3 DISPLAY AND INTERFACE UPPER
13. Output 1 will be disabled Output 2 and will continue to function 4 This alarm will reset automatically if the need for Output 1 is removed Probe 1 temperature rises above setpoint 5 If i1F No Digital Input 1 is not used as an alarm but used as way method of forcing a specified modulation rate See details about the 115 modulation function refer to the MODULATION Output section of the manual Digital Input 2 Screw terminal 19 COM 21 1 When a signal is continuously present for number of minutes in parameter i2d the input is then ACTIVE 2 When i2F Yes Digital input 2 ACTIVE is considered only if Output 1 is energized 3 When digital input 2 is ACTIVE AL2 will flash Digital Input 3 Screw terminal 20 COM 21 1 When a signal is continuously present for number of minutes in parameter i3d the input is then ACTIVE 2 When 13F No Digital input ACTIVE functions as an alarm independent of output 1 AL3 will flash for this condition 3 When i3F Yes Digital input 3 ACTIVE functions as an alarm and is considered only if Output 1 is energized will flash for this condition 4 When i3F Edi Digital input 3 ACTIVE de energizes Output 1 and alarm conditions will not be registered in memory or indicated in any way until Digital input 3 deactivates Note no existing alarm indication will be shown until Digital input 3 state changes neither an alarm icon the AL indication on the display nor the audible
14. P3 failure Pr2 0x105 262 Modulation rate output 4 to 20mA 0710096 e 0x106 Status of Relay 1 2 amp 3 bit 0 1 2 a 0x801 2050 Input 3 Alarm buz ALMMB Flashes HP 4096 or 0x0800 bit 12 or 13th bit NEM OxDOO 3329 Input 2 Alarm buz Flashes LP 4096 or 0x0800 bit 12or13thbit pr OxDOO 3329 Input 2 amp 3 buz Flashed HP amp LP 4096 or 0X0800 bit 12 or 13thbit pr OxDOO 3329 Low Temperature Alarm beep Flash Yellow LA 1 or SIE 0x0001 Pr2 3329 High Temperature Alarm beep Flash yellow 2 or 0 0002 Pr2 OxDOO 3329 Probe 1 error open or shorted Drops call for heat yel 2 valve M on Flash Yellow P1 4 or 0x0004 an Ororo Di Pr2 OxDOO 3329 Probe 2 error open or shorted Flashing red P2 256 or 01 p oxD00 3329 Probe 3 error open or shorted Flashing red P3 512 or asorot p 0 000 3329 ALARM 1 stops heating Input 1 beep Flash AL1 1024 or 0x0400 Will recover is Input 1 goes away or need for bit 10 or 11th bit call for heat goes away Pr2 OxDOO 3329 ALARM 2 Lockout stops heating Input 2 Flash AL2 amp H 11 or 12th Lguage amp valve 2048 or 0x1000 Bit enteral Pr2 OxDOO 3329 ALARM 3 Lockout stops heating Input 3 ALMMB ALOAF beep Flash AL3 amp Hguage amp valve bit 12 or 13th bit This is ALARM ON ANY FAILURE 4096 or 0x0800 Pr2 OxDOO 3329 Maintenance Relay1 beep Flash Nn1 amp wrench 8192 1 14th or 0x2
15. SERVICE amp SETUP MANUAL Te Trac r _ Emm _ E WATER HEATER ELECTRONIC CONTROLLER PVE E PVI Industries LLC 3209 Galvez Dr Fort Worth Texas 76111 800 784 8326 Page 1 24 PV500 41 10 2013 INDEX 1 2 3 10 11 12 13 Page 2 24 TECHNICAL DATA WIRING DIAGRAMS DISPLAY AND INTERFACE 3 1 KEYBOARD LED ICON LEGEND UPPER LED READOUT RED LOWER LED READOUT YELLOW TO SET THE CURRENT TIME AND DAY 24 HOUR CLOCK TO SET THE ENERGY SAVINGS TIME TO SET THE MODULATION OUTPUT MANUALLY HOW TO SEE THE WORKING HOURS OF RELAY OUTPUTS HOW TO RESET THE WORKING HOURS OF RELAY OUTPUTS PROGRAMMING 4 1 4 2 4 3 4 4 4 5 SET POINTS PROGRAMMING COTO A Q Q HOW TO ENTER AND CHANGE PARAMETERS IN THE pr1 LIST NOT PASSWORD PROTECTED HOW TO ENTER PARAMETERS IN THE Pr2 LIST PASSWORD PROTECTED HOW TO CHANGE THE PARAMETER VALUES IN Pr2 HOW TO LOCK THE KEYBOARD PARAMETERS RELAY OUTPUTS 6 1 OUTPUT SETUP AND SPECS OUTPUT 1 CALL FOR HEAT 1 OUTPUT 2 2ND STAGE 0S2 Std 2on rEG OUTPUT 2 AS ALARM RELAY 0S2 AL 20N REGO OUTPUT 3 TEMPERATURE PROTECTION 3on rEG OUTPUT 3 ALTERNATE SET POINT MODULATION OUTPUT MODULATION BUFFER DYNAMIC RESET OF St1 WARM WEATHER SHUT DOWN HOT KEY PROGRAMMING ASSIGNING TEMPTRAC ADDRESS FOR MODBUS RTU
16. UT DOWN The tt2 parameter referring to the outdoor probe TP3 establishes the upper threshold which all the relay outputs are open Normal regulation restarts when TP3 lt tt2 Ht2 To disable this function set tt2 to high a value If the third probe is not present P3P no this function is disabled Page 19 24 PV500 41 10 2013 11 HOT KEY PROGRAMMING To upload program from control to HOT KEY 2 Insert HOT KEY into the TTL HOT KEY connection on the back of the control Press WN 9 e amp keys together momentarily then press the e The uPL message will appear while uploading is occurring and the End message will appear when finished Push any key to return to normal operation To download program from HOT KEY to control Press the ON OFF key to turn off the control Insert the HOT KEY into the TTL connection on the back of the control Press the ON OFF key again and downloading will begin The DoL message will appear Q while downloading is occurring and the End message will appear when finished Push any key to return ON OFF to normal operation If err message is displayed during upload or download the programming failed The cause of a failed program may be user error faulty control or Hot Key Page 20 24 PV500 41 10 2013 12 ASSIGNING TEMPTRAC ADDRESS FOR MODBUS RTU The first step to interfacing a BAS Building Automation Control with a water heater or group of water heaters will be the a
17. WS _ oem LLL __ deteutshowingtocdspiaye2Topires _______ _ 0x32 812 _ EINE UI UT mera Default showing for display 1 Bottom Yellow will Pb1 Pb2 Pb3 Anl EN 1 D ALARMS as onem Rum m S8 Ld 03805 osm 0131 818 NIMM EL Pars mr 988 P3P oF3 __ eneroy sawnermes J 3 Sb3 TEN 0x347 840 Page 11 24 PV500 41 10 2013 E N A lt Hex Modbus Modbus Command Firm Range Rev0 3 0 5 Address Address Label Version Description X Y From X to Y Level Level Base 0 port 0 3 amp 0 5 Energy saving stop on Thursday 0 23h 50 min nu 0x348 Deae m 03505 vemswwmnemrem nmm pe OGMA 7 esis e 09805 workngnousacualorecays pa pa 00352 851_ 0 9999h with the 0 3 amp 0 5 working hours limit of relay 1 0x353 852 0 9999h with the 0 3 amp 0 5 working hours limit of relay 2 ie rs 0x354 Ea 0 9999h with 0 the 03805 LL f anisd E OUTPUTS SETTING rEG 1 1 YES 0 1 0 3 amp 0 5 The output 1 is always on or depending on temperature or 0x356 rEG 1 1 YES 0 1 0 3 amp 0 5 The output 2 is always on or depending on
18. alarm activation This feature is still subject to the i3d timer The Instrument will revert to normal operation when these digital inputs are disabled any button is pressed 13 2 AUDIBLE ALARM The TempTrac audible alarm is activated each time a connected alarm condition occurs The following are representative alarm conditions that may be connected to and activate the TempTrac audible alarm some alarms may be connected to and operate separately from the TempTrac on some products High low water temperature alarm Probe failures External thermostat limit failure Flame Failure High and low gas pressure Low water The audible alarm is silenced by pressing any key alarm condition still present Page 23 24 PV500 41 10 2013 13 3 ALARM RECOVERY 1 Probe alarms P1 P2 and P3 automatically stop a few seconds after the probe returns to normal operation 3 Check connections before replacing the probe 2 Temperature alarms HA and LA automatically stop as soon as probe 1 temperature returns to AFH degrees below or above the alarm value respectively 3 The digital input 1 alarm recovers automatically when the need for output 1 stops Manual recovery is required when the condition of Input 1 is removed but the need for output 1 is still present Pressing any button will reset this condition 4 The digital input 2 amp 3 alarms recover when condition s listed above are normalized and any but
19. ing to St5 2 ACA delays the change from St3 to St5 selects temperature probe to be referenced by Output 4 Hy1 Hy3 and Hy5 are active but not shown in this illustration Set Point Alternate Set Point Control Shift Cato edie ee eee E E T eee eee Set 5 Out 1 Set 3 Set 3 ACA Time Time Delay Page 17 24 PV500 41 10 2013 T MODULATION OUTPUT Kind of action if Sr lt 0 Heating if Sr gt O Cooling See diagrams Current Sr 0 Current Sr mA mA 20 20 4 4 Set4 Sr Set4 Set4 Sr Reference probe TP Related Parameters S4c St4 Sr PS4 Ac4 115 ift 11 NOTES 1 2 The kind of action of the modulation output depends on the sign of the Sr parameter If the parameter PS4 is different from nu the percentage of the modulation output depends on the value set in PS4 independently from the value of the probe 0 100 represents 4mA to 20mA If iTFzZNo and digital input 1 is ACTIVE the analog modulation output is forced to the mA set in iS parameter independently from the value of the probe and the value of the PS4 parameters After digital input 1 is no longer ACTIVE the analog output will stay at the actual mA value set in i1S for the time period set by at the ift parameter If the probe TP1 is broken PS4znu and the digital input 1 is off the value of the modulation output depends on the PP4 parameter The value of
20. lay the flue gas temperature or outside ambient temperature etc depending on the product and application MS By pressing and releasing the button again the Upper LED will display the modulation If the product is a non modulating product the displayed valve should not be considered By pressing and releasing the EV button a third time the Upper LED will display the difference between the temperature sensed at Probe 2 if used and the temperature sensed at Probe 1 CA To return to the default in the Upper LED readout press button to cycle back to the Probe 2 temperature All of the display information described above is available for monitoring through the optional MODBUS RTU interface 3 4 LOWER LED READOUT YELLOW The default display of this readout is the temperature sensed at Probe 1 Probe 1 will be inserted into the appropriate area of the storage tank to provide effective temperature response for the heat source this may not be at the top of the tank The lower LED readout can also be switched to display Probe 2 or 3 if used or the modulation or the Time of Day By pressing and releasing the v button once the Lower LED display will show the Time of Day Press again to return to default display 3 5 TO SET THE CURRENT TIME AND DAY 24 HOUR CLOCK 1 Push and hold the button for more than seconds The LED ICON starts flashing and the Hur hour parameter name is displayed in
21. locks such as low water cut off or high HO temperature limit may be in failure ON Lower LED display is displaying time clock While in the Pr2 menu signals that current the parameter is accessible in the Pr1 menu FLASHING ALARM signal any alarm condition LA HA P1 P2 AL2 AL3 Nn1 Nn2 Nn3 FLASHING Programmed working hours limit is exceeded See oP1 oP2 oP3 amp ou1 ou2 Working hours are displayed in the lower LED display The Energy saving function is running This is a LED dot under the ES label top left Pops Up Displayed when trying to make a change the Keypad is locked See section 4 5 Page 5 24 PV500 41 10 2013 3 3 UPPER LED READOUT RED The default display of this readout is the temperature sensed at Probe 2 Probe 2 may display the tank stored water temperature outlet water temperature flue gas temperature ambient temperature remote tank or blended water temperature etc depending on the product and application Refer to your specific water heaters Installation and Maintenance Manual and the supplied wiring drawing The upper LED readout can also be switched to display Probe 1 or 3 if used or the modulation or the temperature difference between Probe 1 and 2 If Probe 2 is not utilized the display will show nu K b By pressing and releasing the 8 button once the Upper LED will display the actual temperature sensed at Probe 3 Probe 3 if used may disp
22. o 5 Push the key to confirm the value and pass to the setting of next set point 6 Repeat the operations for additional set points To exit press e wait 30s without pressing any key NOTE Each point has a time out of 30 seconds If no key is pressed within 30s the controller exits the set points programming procedure NOTE The set value is stored even when the procedure exits due to the 15 second expiration 42 HOW TO CHANGE PARAMETERS IN THE Pr1 LIST NOT PASSWORD PROTECTED i 1 Enter the Programming mode by pressing the and for 3s 2 Select the required parameter The name of the parameter is on the upper display and its value is on the lower display 3 Press the key the value of the parameter will start blinking 4 Use e e change the value 5 Press WP to store the new value and move to the following parameter To exit Press QD onc or wait 30s without pressing a key NOTE The set value is stored even when the procedure exits due to the 15 second expiration 43 HOWTO ENTER PARAMETERS IN THE Pr2 LIST PASSWORD PROTECTED 1 Enter the Pr1 level 2 Press the DOWN key 3 Select Pr2 PAS parameter and press the key 4 The value 70 with a flashing zero is displayed Use e keys to input the security code in the flashing digit confirm the figure by 5 The security code is 321 NOTE each parameter in Pr2 can be rem
23. oved or put into Pr1 user level by pressing Av When a parameter is present also in Pr1 the Pr1 icon is on Page 8 24 PV500 41 10 2013 44 HOW TO CHANGE THE PARAMETER VALUES IN Pr2 1 Enter the Programming mode 2 Select the required parameter with e 3 Press the key and the value will start blinking 4 Use es to change its value 5 Press to store the new value and move to the next parameter To exit Press e wait 30s without pressing a key NOTE the new programming is stored even if the procedure exits by time out 4 5 HOW TO LOCK THE KEYBOARD D 2 1 Keep the and 9 keys pressed together for more than s 2 The PoF message will be displayed and the keyboard is locked At this point it is only possible to view the set point Any attempt to change a set point will display the PoF message 3 Repeat step 1 to unlock the keyboard 4 The Pon message will be displayed and the keyboard will be unlocked Page 9 24 PV500 41 10 2013 PARAMETERS All the parameters can be set in Prt immediately accessible menu Pr2 password protected menu Label The displayed label when using the Keypad Range Indicates the possible values and units that can be set Firm Version Firmware of the TempTrac control can be viewed in the rEL parameter Modbus Modbus Command Firm Range Rev 0 3 Rev0 5 Address Address e
24. ssignment of the address number for each heater PY 2 Press the DOWN key 1 Enter the Programming mode by pressing the Set DN DOWN amp key for 3s lead with the SET key 3 Select Pr2 PAS parameter and press the SET key 4 The value 0 with a flashing zero is displayed 5 Use UP or DOWN keys to input the Passkey in the flashing digit confirm the figure by pressing SET The Passkey is 321 6 Once you have entered the Pr2 menu press the DOWN key until the parameter Adr appears on the screen as shown to the right 7 Now press the SET key once and the number will begin to blink Use the arrow key to set the address Each TempTrac on a RS 485 network must have a different address to enable proper communication NOTE The default for each TempTrac is Address 1 You can assign them to any number in the range of 1 247 this is the limitations of the MODBUS RTU standard Page 21 24 PV500 41 10 2013 13 ALARMS Alarm messages are displayed in the lower display of the TempTrac and are alternated with the default message These alarm messages are displayed together with the icon devoted to signalling the alarm conditions Message Cause Outputs and information TEH orobe failure Oben Audible alarm sounds Output 1 and 2 if depending on the probe open iui modulation output if depending on the probe according to the PP4 shorted parameter Inspect probe 1 Screw terminals 1
25. the PS4 parameter can be set directly by the keyboard See par 3 6 Anti short cycle delay for the analog output when the analog output reaches the 4mA it is held at 4mA for this time During this time the icon is flashing When this delay has expired normal functioning of modulation output restarts This delay will be reinitiated again after output 1 switches off Ranges 115 4 20 range is actual mA 0 30 range is seconds PS4 amp 0 100 amp nu range is percentage of output O 4mA 100 20 nu AUTO Page 18 24 PV500 41 10 2013 8 MODULATION BUFFER Probe 2 Th4 Th4 HY4 20ma Out 4 4ma Kind of action Heating Reference probe TP2 Related Parameters Th4 HY4 NOTES 1 This function references probe TP2 and will trigger output 4 to reduce the signal to 4mA when the temperature of Th4 is reached by TP2 and hold it until TP2 drops below TH4 HY4 Output 4 then returns to normal operation referencing TP1 9 DYNAMIC RESET OF 51 Kind of action Inverse Reference probe TP3 Related Parameters tt rr2 St1 rr1 If the outdoor temperature is lower than tt the dynamic reset of the St1 action starts as described in the following diagrams Temper Sett rr1 Set1 tt rr2 tt Probe 3 Temperature NOTES 1 With rr1 0 the dynamic reset of the set point 1 is disabled 2 If the TP3 is not present P3P no or broken the dynamic reset of the set point 1 is disabled 10 WARM WEATHER SH
26. ton is pressed 5 RTC alarm stops after programming the real time clock 6 alarm requires the replacement of the TempTrac device For additional information contact the PVI Industries LLC Customer Service department at 800 784 8326 Page 24 24 PV500 41 10 2013
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