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C910-485 Heat Trace Controller

1. parameters Menu Section Menu Defaults 1 4 2 1 Tag 00261439 2 4 2 2 Units Imperial 3 4 2 3 Switch Control Mode ON OFF 4 4 2 4 Control Setpoint 40 F 5 4 2 5 Deadband oF 6 4 2 6 PASC Setup 7 4 2 7 LOTS 1 ENA LOTS 2 DIS 8 4 2 8 LOTS 1 LOTS 2 35 F 9 4 2 9 HITS1 HI TS 2 DIS 10 4 2 10 HITS1 HITS 2 180 F 11 4 2 11 TS2Fail DIS 12 4 2 12 TS1HI LIMIT TS 2 HI LIMIT DIS TS 1 HI LIMIT Setpoint TS 2 HI LIMIT Setpoint 200 F TS 1 HI LIMI Alarm TS 2 HI LIMI Alarm DIS 3 4 2 13 LO Load ENA 4 4 2 14 LO Load 1 0 A 5 4 2 15 Load Defaults No 6 4 2 16 HIGFI 20 mA 7 4 2 17 GFI Trip 30 mA 8 4 2 18 TS Fail Mode ON 9 4 2 19 TS CTL Mode TS 1 FAIL ON 20 4 2 20 OVERRIDE Source Remote Ext Input Not Used 21 4 2 21 Version V4 04 3 22 4 2 22 Passcode 0 23 4 2 23 Communication Setup HTCbus 24 4 2 24 Auto Cycle DIS 25 4 2 25 Auto Cycle Interval 8 26 4 2 26 Auto Cycle Units Hours 27 4 2 27 Contactor Count 200000 28 4 2 28 Alarm Output N C 29 4 2 29 Acknowledging Resetting Alarms N A 30 4 2 30 Alarm Output Normal State Normally Closed THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 18 54 4 2 1 Alphanumeric Tag Assignment Purpose A 19 character alphanumeric TAG may be assigned to a control point to allow it to be easily associated with a pipe vessel process circuit drawing name or number Setting Any combinati
2. Display Press the ENTER Lo Load ENA Default ENA Use the UP DOWN arrow keys to select Disable o gt E a als yolon odie a aS moos codio 4 SHIFT TEST SREY TERT AEA v A v Press the ENTER key until the new Lo Load Enable or disable is scrolling across the screen Display Sey yo cdo A Z a m r EA ee a _ gt Lo Load DIS Press the BACK key to escape to the mainscreen THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 31 54 4 2 14 Low Load Current Alarm Setting Lo Load Purpose This allows the user to set the low load current alarm level Alarm time delay filter is factory set at lt 2 minutes Setting Range 0 3 A to 30 A or off Factory Default 1A Keystrokes for Entering the LO Load Current Setpoint Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ALARM jj ka AliRm MONTTOR CONFIG res s A EA Ly Ly You are now in the console menus NTOR CONFIG Display Press the ENTER LO Load 1 0 A ALARM Default 1 0 A Use the UP DOWN arrow key to change the digit that is blinking Use the RIGHT LEFT arrow to to move to the next digit PI aac g Press the ENTER key until the new Lo Load Setpoint is scrolling across the screen Display ALARM fj Sas SHIFT TEST l
3. smer test La v Ly Use the RIGHT LEFT arrow to to move to the next digit Parts cOnPic SHIFT TEST Re lt a a Ly Press the ENTER key until the new auto cycle Interval is scrolling across the screen ALARM MONITOR CONFIG smiet rest lt lt a sack enter v Press the BACK key to escape to the mainscreen aEm moor a 4 smer test lt 4 BACK A v Display Auto Cycle Interval xxx Where xxx is the new interval time THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 44 54 4 2 26 Auto Cycle Units Purpose Select the Autocycle interval time units Setting Range Minutes or hours Factory Default Hours Keystrokes for Changing Auto Cycle Units Start Press the DOWN arrow Press SHIFT Press ENTER key until you see E KA La gt SHIFT s za gt Y Display Auto Cycle Units HOURS Default Hours ALARM KA CONFIG Z 4 smeT test p a ENTER v You are now in the console menus Press the ENTER EN a a EN a 4 ever rest fener sr LA v E Ed La v Press the ENTER key the new units will be scrolling across the screen Display Auto Cycle Units nnnnn Where nnnn is either hours or minutes THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14
4. PENTAIR Raychem C910 485 Heat Trace Controller INSTALLATION OPERATION AND MAINTENANCE MANUAL Firmware versions up to V4 0X a THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 CONTENTS Section 1 Overview secccecceeceeneeeeeeeeeeeseeneneeneeneneesaeeneaesaessaeenaaesaaeseeseseeaeeasseesseeseeaseseeeeseas 1 1 Introduction 1 2 Product Overview 1 2 1 Description 1 2 2 Features 1 3 Product Specification Section 2 Installation and Wiring 2 1 Introduction 2 2 Initial Inspection sais 2 3 Installation LOCATION ee ee cece eee eeee teres seeeeaeteesaeseeseeseaesaeeeteaeteneaeeaes 2 4 Mounting Procedures ceceesecsesceseeseeeeseeeesceseeseesenseneaesseeaesaneaneesensenteass 2 5 WING coses ses eservetiersnivee ences 2 5 1 Power Connections 2 5 2 Temperature Sensor and Extension Cables cccscceeeeeeeeeeeeees 10 2 5 3 External Device Control Override ceeeeee estes eeeteeteneeeeeeeeaeees 10 2 6 Alarm Relay Connections 0 cece ee eeeeeeeee ee eeeseeeeaetaeeaeseeeeeeeeeeaeeaeeae 11 2 6 1 Communication Signal Connections e
5. gt A You are now in console menus Display PASSWORD 0 Default Password 0 Press the ENTER MONTTOR CONFIG smer test lt A a sack ENTER v LARM MONITOR CONFIG smrt test lt lt aa BACK ENTER Lv MONITOR CONFIG ae er Press the ENTER key until the new password is scrolling across the screen Displa PASSWORD xxxx Where xxxx is the new password THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 40 54 4 2 23 Communications Setup Purpose Defines the communications language used by the controller to communicate with other devices The C910 485 only communicates using Modbus Protocol The C910 485 automatically detects when it is connected to the ACS 30 network Setting Range See C910 485 Factory Default HTCBus Communication Parameters Table Keystrokes for Communication Setup Start Press the DOWN arrow Press SHIFT Press ENTER key until you see You are now in the console menus Display Communications Setup Press the ENTER Display p gt ModBus RTU Protocol HTCBUS ModBus ASCII Note HTCBUS is a factory use only Display Modbus ADDR 1 Display Modbus SUB ADDR 48 9600 4800 2400 Baud Rate Auto foo 300 Display Display g EVEN Parity None opp Display Drivers Auto Hardware RS 485 ia RS
6. lt aa sack ENTER You are now in the console menus Z Display DEADBAND 5 F Press the ENTER A MONTOR CONFIG AEM aaRu molor CONPIG suirt test lt a suet test lt BACK ENTER BACK ENTER Ly Use the RIGHT LEFT arrow to to move to the next digit es 2 vies wee 2S oe oe aim moor coire a ay molor cde 4 ais E IE sack enter v sack enter v Press the ENTER key until the new deadband scrolls across the screen Displa _ DEADBAND xx F Where xx is the new deadband Press the BACK key to escape to the mainscreen alaRM moNTor CONFIG Et THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 23 54 4 2 6 Proportional Ambient Sensing Control PASC Purpose This control mode sets Proportional Ambient Sensing Control PASC See Appendix A for more details Setting Range Factory Default Pipe Size inch V2 1 or 22 V2 Control Setpoint 0 to 200 F 18 to 92 C 40 F 4 C Min Design Ambient 99 to 125 F 73 to 52 C 40 F 40 C Power Adjust Factor 10 200 100 Keystrokes for Entering PASC Setup Parameters Start Press the DOWN arrow Press SHIFT Press ENTER key until you see You are now in the console menus Display PASC SETUP Press the ENTER Display Pipe Size 2 0 INCH Display
7. 1 and 2 When enabled high limit cutout feature will force the controller output off if the temperature reading exceeds the HIGH ALARM temperature setting This is a non latching condition so once the reading drops below the HIGH temperature ALARM setting the controller will resume normal operation Alarm time delay filter is factory set at 15 minutes Setting Range Enable or disable Factory Default Disable Keystrokes for Enabling and Disabling HITS Temperature Sensor Alarm 1 and 2 High Temperature Sensor Alarm Start Press the DOWN arrow Press SHIFT Press ENTER key until you see You are now in the console menus Display Press the ENTER HITS 1 DIS A EM MONITOR CONFIG or HARR g HI TS 2 DIS Default DIS Use the UP DOWN arrow keys to select Disable or Enable Press the ENTER key until the new Hi TS Enable and or Disable scrolling across the screen Display MONITOR CONFIG Se ee eee M ak moor cdo a smer test lt 8 p smer test lt M aa gack Lenten v pack enter v Press the BACK key to escape Where nn is either Enable or Disable to the mainscreen THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 27 54 4 2 10 High Temperature Alarm Setting Hi TS 1 and Hi TS 2 Purpose This allows the user to set the high temperature alarm Setting for temperature sensor
8. 45 54 4 2 27 Contactor Count Purpose Generates an alarm if the number of off to on transitions of a contactor reaches or exceeds the Contactor Count Alarm Setting This serves as a method to perform preventative maintenance on the contactor before a failure is likely to occur Setting Range 0 to 999 999 Factory Default 200 000 Keystrokes for Changing Contactor Count Start Press SHIFT Press ENTER AARM fj seals gt SHi TEST A Head v You are now in the console menus Press the DOWN arrow key until you see Sku moor se 4 sner test lt 4 BACK P y Display P the ENTER ress the Contactor Count 200000 Default 200000 Use the UP DOWN arrow keys to select between hours or minutes Use the RIGHT LEFT arrow keys to move to the next digit hours or minutes moNTor cONpic e s a gt a v Em pai a NEIG ES Se TOR ka ser s lt kA Y Press the ENTER key the new contactor count is scrolling across the screen Display f MONTOR CONFIG se rs aa Bee gt Contactor Count xxxxxx Press the BACK key to escape to the mainscreen a LA La ser eT res ER gt v Where xxxxxx the new contactor count THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 46 54 4 2 28 Monitor and Maintenance Menus Purpose Th
9. ENTER TS 1 FAIL ON Default mode shown Em molor cofio suirt test lt A a Back ENTER Y Use the UP DOWN arrow keys to view the list of control modes o oa o ao i J atu yoon cho A alu yoon co A smer test lt A suirt test lt 4 a sack enter v sack ENTER v Press the ENTER key until the new TS CTL MODE is scrolling across the screen Display sor eer a Be TS CTL Mode xx Where xx is one of eight mode 1 TS 1 Fail ON 2 Lowest Fail to Good Press the BACK key to escape to the mainscreen 3 Lowest Fail ON 4 Average Fail to Good 5 Average Fail ON 6 TS 2 Fail to TS 1 7 TS 2 Fail ON 8 TS 1 Fail to TS 2 THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 37 54 4 2 20 External Input Inhibit or Force on Purpose Using an external input device to override sensor inputs Force on or force off Reference Figure 2 5 for the wiring connection schematic Setting Range Factory Default Ext Input Not used Force on or Inhibit Not used Override Remote or External input Remote Keystrokes for Selecting Inhibit or Force ON Mode using the External Input Start Press the DOWN Press SHIFT Press ENTER arrow key until you see au moor cho a smer test lt 4 B sack enter You are now in the Console menus Display Press hE TENIERI Ext Input Not Use
10. PASC ieee 24 4 2 7 Low Temperature Alarm Enable Lo TS 1 and Lo TS 2 25 4 2 8 Low Temperature Alarm Setting Lo TS 1 and Lo TS 2 26 4 2 9 High Temperature Alarm Enable Hi TS 1 and Hi TS 2 27 4 2 10 High Temperature Alarm Setting Hi TS 1 and Hi TS 2 28 4 2 11 Temperature Sensor Failure Alarm 0 0 e cesses eeeeeeeeeeseteereeeees 29 4 2 12 High Temperature Cut out Setpoint and Alarm HI Limit TS1 HI WUMIETS 2 ceeds et asec cece ceed cvscs sae chan ccd eeessnvepnieens T 4 2 13 Low Load Current Alarm Enable Lo Load 4 2 14 Low Load Current Alarm Setting Lo Load 4 2 15 Factory Default Settings Load Defaults 0 00 0 eee 4 2 16 Ground fault Current Alarm level Hi GF Alarm cece 34 4 2 17 Ground fault Current Trip Level Hi GF Trip 0 0 0 eee 35 4 2 18 Temperature Sensor Failure Mode 0 c cece tees eereeeeeeeeeeeees 36 4 2 19 Temperature Sensor Control Mode TS CLT Mode ceceeee 37 4 2 20 External Input Inhibit or Force On eee eee ees eeeceeeeeeeeteeeees 4 2 21 Firmware Version 4 2 22 Passcode eee 4 2 23 Communications Setup 4 2 24 Auto Cycle Enabling 4 2 25 Auto Cycle Interval 0 0 ee eseseesseeeeeseeeeseeeeeeeaeeseeseesenseneaesaeeseeeeneas 4 2 26 Auto Cycle Units 00 ee ee eeeeseeseeeeeeeeeeeseseseeseeseneeesensenearsaeeseeseneas 4 2 27 Contactor Count eee 4 2 28 Monitor and Maintenance Menus 4 2 29 Acknowledg
11. POWER ADJUST 100 Display Minimum Ambient Temperature 40 F Note Units shown are Imperial If Metric is selected then parameters are shown in metric If you need to change another PASC Setup parameter then use the UP DOWN arrow keys followed by the ENTER key or Press the BACK key to escape to the mainscreen THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 24 54 4 2 7 Low Temperature Alarm Enable Lo TS 1 and Lo TS 2 Purpose This allows the user to enable or disable the low temperature alarm for temperature sensor number 1 and 2 Alarm time delay filter is factory set at 15 minutes Setting Range Factory Default LOTS 1 Enable LOTS2 Disable Keystrokes for Enabling and Disabling LOTS Temperature Sensor Alarm 1 and 2 Low Temperature Sensor Alarm Start Press the DOWN arrow Press SHIFT Press ENTER key until you see E EN ces 4 smer tes are v You are now in the console menus Display Press the ENTER or Lo TS 2 DIS Use the UP DOWN arrow keys to select Disable or Enable fj Be I a a a Press the ENTER key until the new Lo TS Enable and or Disable scrolling across the screen Display LoTS1 nn or LoTS2 nn Where nn is either Enable or Disable Press the BACK key to escape to the mainscreen _ aiam MONTTOR CONFIG z BACK ENTER Y THERMAL BUILDI
12. alarm relay Figure 2 9 Both may be programmed for normally open N O or normally closed N C operation Note Both alarm relays are controlled by the C910 485 using the same signal Note The dry contact alarm relay is intended to be used for switching low voltage low current signals Do not use this relay to directly switch line voltages Alarm Output Wiring coe Controller _____ i 12 VDC B m DRY CONTACT T T See Specifications for Max DC Voltage and Current DC Power Source ALARM Indicator ALARM RELAY COMMON 4b DRY CONTACT H ALARM RELAY L 15 COMMON f4 ALARM Indicator Figure 2 7 Used As a Switched DC Contact THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 11 54 L1 LINE OUT See Specifications for H i Max AC Voltage and Current AC TRIAC ALARM RELAY 5 C910 Controller DRY CONTACT H ALARM RELAY gE s 4 ALARM Indicator 1 COMMON Figure 2 9 Used As a Powered DC Alarm Relay f C910 Controller H See Specifications for i Max AC Voltage and Current AC Power Source i ALARM Indicator i i i AC TRIAC ALARM RELAY Figure 2 10 Used As an AC Alarm Relay THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 12 54 ea C910 Controller AC TRIAC ALARM RELAY ALARM Indicator Figure 2 11 Used as a P
13. and the Ground fault Level Trip Alarm activated to indicate a ground fault condition At Fire Hazard Ground fault trip alarms must not be ignored To prevent the risk of fire do not re energize heating cables until the fault is identified and corrected Alarm time delay filter is factory set as immediate Setting Range 20 mA to 100 mA Factory Default 30 mA Keystrokes for Entering the Setpoint for GF Trip Ground Fault Trip Setpoint Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ca a 4 au ea cde 4 He ves Ela ai aa p v Ea ENTER Ly You are now in the console menus Display Press the ENTER GFI Trip 30 mA Slice a Default 30 mA sr sr RA EA v Use the UP DOWN arrow key to change the digit that is blinking RM fj EA E on a E a 4 gt Ea gt Lv Use the RIGHT LEFT arrow to to move to the next digit MONITOR kA E A B CONFIG aa AAE EALA ENTER re v Press the ENTER key until the new ground fault trip setpoint is scrolling across the screen Display Where xx is the new current THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 35 54 4 2 18 Temperature Sensor Failure Mode Purpose This mode sets the controller to turn the output switch ON or OFF if all selected temperature sensors fail Setting Range On or off Factory Default On Keystrokes for
14. maintain temperature the heating cable will be on a percentage of the time equal to maintain temperature measured ambient maintain temperature minimum design temperature of oO 2577 I 1 l I l w 1 T 1 1 2 l a 1 J l an I I l I I l I Se 7 gt i Ambient temperature I j Minimum Pipe ambient maintain temperature temperature THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 53 54 PENTAIR WWW PENTAIRTHERMAL COM NORTH AMERICA EUROPE MIDDLE EAST AFRICA ASIA PACIFIC LATIN AMERICA Tel 1 800 545 6258 Tel 32 16 213 511 Tel 86 21 2412 1688 Tel 1 713 868 4800 Fax 1 800 527 5703 Fax 32 16 213 603 Fax 86 21 5426 2917 Fax 1 713 868 2333 Tel 1 650 216 1526 thermal info dpentair com cn thermal info apentair com thermal infofdpentair com Fax 1 650 474 7711 thermal info pentair com Pentair is owned by Pentair or its global affiliates All other trademarks are the property of their respective owners Pentair reserves the right to change specifications without prior notice 2009 2014 Pentair THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 54 54
15. measured since the last time the PEAK GROUND FAULT CURRENT was reset This current value is written to the controller s non volatile memory once every 24 hours or whenever any maintenance data is reset by the user THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 48 54 4 2 29 Acknowledging and Resetting Alarms Purpose To acknowledge and reset any alarm conditions that may exist Use the Up Down Arrow keys to examine the next previous active alarms Setting Range See Alarm Filter Times Factory Default N A Keystrokes for Acknowledging and RESETING Alarms Start Press SHIFT Press TEST Display p Alarm s will now be scolling across the screen Display RESET Note If all alarms are cleared then you will see the following message scrolling across the screen Display If there are more alarms to clear then you will need to use the UP DOWN arrow keys and repeat the process Alarm Filter Times Alarm Type Filter Time Lo TS 1 and 2 15 minutes Hi TS 1 and 2 15 minutes Lo load current 2 minutes Hi ground fault alarm 10 seconds Hi ground fault trip lt 1 second OPEN SHORTED TS 1 and 2 10 seconds Contactor count lt 1 seconds Switch failure 2 minutes THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 49 54 4 2 30 Alarm Output Normal State Purpose Configures both the alarm output relays dry contact and AC alarm for norma
16. number 1 and 2 Alarm time delay filter is factory set at 15 minutes Setting Range 0 F to 200 F 18 to 93 C Factory Default 180 F 82 C Keystrokes for Entering the Setpoint for HITS Temperature Sensor 1 and 2 High Temperature Sensor Setpoint Start Press the DOWN arrow Press SHIFT Press ENTER key until you see aaa eos GoM 4 alu vomon adie 4 suirt test lt 4 gt p gt suet test lt 4 aa Back ENTER Ly BACK ENTER Lv You are now in the console menus Press the ENTER HITS 2 180 F Default 180 F Use the UP DOWN arrow key to change the digit that is blinking 5 Ss E ATON aS moor cdc a suirt test lt 4 suirt test lt 4 gt BACK BACK ENTER Ly CONFIG Ly moor CONFIG sner test lt 4 p sack enter v om MoNTPoR CONFIG smer rest lt A a sack enter v Press the ENTER key until the new Hi Ts Set point is scrolling across the screen Display THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 28 54 4 2 11 Temperature Sensor Failure Alarm Purpose This allows the user to enable or disable the temperature sensor failure alarm Alarm time delay filter is factory set lt 2 minutes Setting Range Enable or disable Factory Default Disable Keystrokes for Enabling
17. of the RTD designated as the controlling sensor Check setting for TS FAIL MODE the output switch may be latched off or on until this failure is corrected THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 51 54 Incorrect or damaged Re install RTD connections field wiring Damaged temperature Install correct RTD sensors Ground fault Incorrect installation Perform heating cable commissioning alarms wet system tests outlined in the heat cable operation components or manuals damaged cables Incorrect neutral return Check that the heating cable circuit wiring neutrals return to the controller and are not connected directly to the distribution panel Alarm setting too close Ground fault level should be set at the to normal leakage lowest level possible but high enough to current allow normal operation of the cable A WARNING Fire Hazard Ground fault trip alarms must not be ignored To prevent the risk of fire do not re energize heating cables until the fault is identified and corrected Low current Low or no source Verify correct power distribution voltage Damaged or inoperative Repair or replace heating cable heating cable Open connection Verify correct power distribution wiring wiring problem Contactor failed open Replace or repair controller Switch failure Output switch has failed Replace or repair controller closed Contactor count Number of off
18. on alarm THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 6 54 Programming and Setting Method Programmable keypad or ACS 30 user interface network Units Imperial F in or Metric C mm Digital display Actual temperature control temperature heating cable current ground fault programming parameter values alarm values LEDs Current mode heating cable on alarm condition receive transmit data Memory Nonvolatile restored after power loss checksum data checking Stored parameters measured Minimum and maximum temperature maximum ground fault current maximum heating cable current contactor cycle count time in use Alarm conditions Low high temperature low current Ground fault alarm trip RTD failure loss of programmed values or EMR failure Other Password protection Connection Terminals Power supply input Screw terminals 22 8 AWG Heating cable output Screw terminals 22 8 AWG Ground Two box lugs 14 6 AWG RTD alarm communications 28 12 AWG spring clamp terminals Mounting FRP Poly carbonate enclosure Surface mounting with four fixing holes on 7 25 in x 11 7 in 184 mm x 297 mm centers Hole diameter 0 31 in 8 mm Communications Protocol Modbus RTU ASCII Topology Multidrop daisy chain Cable Single shielded twisted pair 26 AWG or larger Length 4 000 ft 1 3 km maximum 9600 baud Quantity Up to 32 devices without repeater Address P
19. 485 RS 232 Modem Displa ad 3 Wire RS 232 Profile Auto pe RS aes 1200 Modem 300 Modem Display Tx Delay 0 06 s Press the ENTER key until the new Communicationp Parameter is scrolling across the screen 4 E If you need to change another Communication Setup parameter then use the UP DOWN arrow keys followed by the ENTER key or Press the BACK key to escape to the main screen THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 41 54 C910 485 Communication Parameters Parameter Settings Notes Protocol HTCBus default If you are communicating directly with the Modbus RTU controller using a different device select the Modbus ASCII MODBUS protocol For a detailed description of the controller s MODBUS mapping please refer to C910 485 Heat Trace Controller Fal Note HTCBus is for factory use only Modbus Addr 1 247 Set the communications address as desired Each controller on the serial communication bus must have its own unique address Modbus Baud Auto 9600 4800 Select the data rate to be compatible with other Rate 2400 devices that will be connected to the controller for 1200 600 300 communications Purposes It is recommended that Default Auto the Setting be set to AUTO The controller will automatically select a BAUD RATE that is compatible with the communications interface installed Parity NONE EVEN ODD Defin
20. NG SOLUTIONS EN RaychemC910 485series IM H58415 12 14 25 54 4 2 8 Low Temperature Alarm Setting Lo TS 1 and Lo TS 2 Purpose This allows the user to set the low temperature alarm setting for temperature sensor number 1 and 2 Alarm time delay filter is factory set at 15 minutes Setting Range O F to 180 F 18 to 82 C Factory Default 35 F 2 C Keystrokes for Entering the Setpoint for LO TS Temperature Sensor 1 and 2 Low Temperature Sensor Setpoint Start Press the DOWN arrow Press SHIFT Press ENTER key until you see MONITOR CONFIG MONITOR CONFIG aim mofitor cde smer test lt A aa gack Lenrer v e mil gt ALARM BMG g amie gt You are now in the console menus Display LOTS 1 35 F Press the ENTER or LOTS 2 35 F Default 35 F Use the UP DOWN arrow key to change the digit that is blinking E E Use the RIGHT LEFT arrow to to move to the next digit au mio cio A imre 4 mai BE Press the ENTER key until the new Lo Ts Setpoint is scrolling across the screen Displa LO TS 1 xx F or LO TS 2 xx F Where xx is the new set point THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 26 54 4 2 9 High Temperature Alarm Enable Hi TS 1 and Hi TS 2 Purpose This allows the user to enable or disable the high temperature alarm for temperature sensor number
21. RM key is illuminated while in this mode To enter this mode Press SHIFT ALARM CONFIG a sher rest p lt lt ENTER v Press TEST alim MONITOR CONFIG a You are now in the Der SIO AA ALARN soren Monitor This mode allows you to examine any of the controller readings such as temperature load current etc The LED above the MONITOR key is illuminated while in this mode To active this mode Press SHIFT ALARM MONITOR CONFIG SHIFT TEST Press BACK ALARM MONITOR CONFIG You are NOW in the ca v EI lt gt v Monitor Maintenance menus THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 16 54 Configure This mode allows you to access the console menus to examine or alter the settings The LED above the CONFIG key is illuminated while in this mode To access the operational menus Press SHIFT MONITOR CONFIG ALARM SHIFT TEST lt p gt BACK ENTER Press ENTER 4 You are now in the Console menus THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 17 54 4 2 CONSOLE MODE MENUS The Console Mode Menu Index below shows all user interface parameters This menu shows the Factory Default along with the associated range The section column refers to the section in this manual that illustrates the actual keystrokes required to input the
22. Setting Range 0 F to 200 F 18 C to 93 C Factory Default 40 F 4 C Keystrokes for Changing the Control Setpoint Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ALARM MONTTOR CONFIG You are now in the console menus P Display Press the ENTER Control Setpoint 40 F Default 40 F Use the UP DOWN arrow key to change the digit that is blinking MONITOR CONFIG Use the RIGHT LEFT arrow to to move to the next digit Press the ENTER key until the new control setpoint scrolls across the screen bias cae la a Ba Control Setpoint xx F i Where xx is the new setpoint Press the BACK key to escape to the mainscreen au moor odc 4 SHIFT TEST lt gt BACK ENTER Y THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 22 54 4 2 5 Deadband Purpose The deadband is a window of difference between the measured control temperature and the desired control setpoint temperature and provides the decision to turn the output off or on Setting Range 1 F to 10 F 1 C to 6 C Factory Default 5 F 3 C Keystrokes for Changing Deadband Press the DOWN arrow key until you see ALARM MONTTOR CONFIG smer test lt lt a pack ENTER v Start Press SHIFT Press ENTER gt ALARM MONTOR CONFIG smer rest lt
23. T A P Y Press the DOWN key to enter a Press the ENTER new TS 1 HI LIMIT SETPOINT Display mo A Bu poon os A TS 1 Hi LIMIT lt i a n bed el SE m SETPOINT 200 F Display TS 1 LIMIT ENA Use the arrow keys to Press the ENTER key until the enter a new setpoint screen scrolls with the new setpoint Display Sey moio cdo TS 1 Hi LIMIT sor Ee l a SETPOINT nnn F Where nnn is the new setpoint Press the DOWN arrow key and select ENA followed by the ENTER key LARM MONTOR CONFIG T Pai a eTa 4 sner test lt p p gt suet rest BEE aus i Rea a Ly Press the MONITOR key Display to return to the main menu TS 1 HI LIMIT ALARM DIS THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 30 54 4 2 13 Low Load Current Alarm Enable Lo Load Purpose This allows the user to enable or disable the low load current alarm to detect current levels which are lower than a preset limit for the application Alarm time delay filter is factory set at lt 2 minutes Setting Range Enable or disable Factory Default Enable Keystrokes for Enabling and Disabling the Lo Load Current Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ALARM MONITOR CONFIG SHIFT TEST lt gt Back ENTER You are now in the console menus p
24. and Disabling TS 2 Start Press the DOWN arrow Press SHIFT Press ENTER key until you see gt au molor odho a nm moion a A smer test lt A a smer test lt A Back LENTER Y BACK kA v You are now in the console menus Display Press the ENTER TS 2 Fail DIS Default Disable olan odho a e vest a AIA v Press the ENTER key until the TS 2 Enable scrolling across the screen Display TS 2 Fail ENA Press the BACK key to escape to the mainscreen RM fj LA E ic T s EA Y THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 29 54 4 2 12 High Temperature Cut out Setpoint and Alarm HI Limit TS1 HI limitTS2 Purpose Set high temperature alarm and cut out values Settings Ranges Factory Defaults Enable Disable HI Limit Disable Set point 0 F 18 C to 200 F 93 C 200 F 93 C Enable Disable Alarm Disable Keystrokes for Selecting TS HI Limit ENA DIS Setpoint and Alarm Note these steps can apply to TS 2 ENA DIS Setpoint and Alarm Start Press the DOWN Press SHIFT Press ENTER arrow key until you see au mokor cdle 4 smer test lt aa sack enter v You are now in the Console menus Display TS 1 LIMIT DIS Use the DOWN arrow Press the ENTER key to select ENA ALARM fj ote SHIFT TES
25. ble or disable Factory Default Disable Keystrokes for Enabling and Disabling Auto Cycling Start Press the DOWN arrow Press SHIFT Press ENTER key until you see e EN a a nu moor cdo A gt Ea zest smer test lt D lt P Y Back ENTER Y You are now in the console menus Display Press the ENTER Auto Cycle DIS Default DISABLE Use the UP DOWN arrow keys to select ENAble EN a a a a a ower res aver ter EJLA v E ESLA v Press the ENTER key until the new Auto Cycle enable or disable is scrolling across the screen ai ofc A Display Auto Cycle ENA THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 43 54 4 2 25 Auto Cycle Interval Purpose Set the interval for running the autocycle procedure Setting Range in the Auto cycle units menu 1 to 240 minutes or hours selected Factory Default 8 Keystrokes for Entering Auto Cycling Interval Start Press SHIFT Press ENTER M fj LA ATR 4 Ea s 4 Es Y You are now in the console menus Press the ENTER Press the DOWN arrow key until you see Display Auto Cycle Interval Default 8 hours Use the UP DOWN arrow key to range the digit that is blinking ALARM fj ee SHIFT TEST lt Ln EN a
26. condensation or leakage Conduit entries must be drilled or punched using standard industry practices Use bushings suitable for the environment and install such that the completed installation remains waterproof Grounding hubs and conductors must be installed in accordance with Article 250 of the National Electrical Code and Part of the Canadian Electrical Code i 8 50 j 6 25 0 41 P 6 00 O 0 3 dia 0 3 dia A Th iy j 0 16 te T 6 25 10 00 m 8 25 10 50 11 00 i La U i 0 OF 0 3 dia 0 3 dia LEFT SIDE VIEW FRONT VIEW Figure 2 1 Mounting Hole Template THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 8 54 2 5 WIRING The following drawings provide sample wiring diagrams for the C910 485 control products and optional accessories Refer to Figure 2 2 for wiring terminal locations Please contact your local Pentair Thermal Management representative for information regarding other available options ALAM NOSTOA CONFIG 4 oue 5 a nmn LY Figure 2 2 Power Connection 2 5 1 Power Connections The C910 485 controller may be powered directly from a 100 V to 277 V supply All of the power terminals are labeled for easy identification Do not attempt to use wire sizes that exceed the marked terminal ratings and avoid terminating two wires on the same terminal whenever possibl
27. configuring TS FAIL Mode ON or OFF Temperature Sensor Mode Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ALARM fj CONFIG SHIFT TEST al Ea ENTER v You are now in console menus o EN a a SHIFT ves Ea v Display TS FAIL MODE ON Press the ENTER Use the UP DOWN arrow key to change from ON to OFF a moor cdc a BACK gt v ER Ea iS smer rest Few gt v Press the ENTER key until the new TS FAIL MODE is scrolling across the screen Display TS FAIL MODE OFF THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 36 54 4 2 19 Temperature Sensor Control Mode TS CLT Mode Purpose The TS CONTROL MODE allows the selection of one of eight possible temperature control modes for the controller The different modes allow redundant fail safe temperature sensing Setting Range 1 TS1 Fail ON 5 Average Fail ON 2 Lowest Fail to Good 6 TS2 Fail to TS1 3 Lowest Fail ON 7 TS2 Fail ON 4 Average Fail to Good 8 TS1 Fail to TS2 Factory Default TS1 Fail On Keystrokes for Changing the TS CLT Mode Temperature Sensor Control Mode Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ALARM MONTOR CONFIG smer test lt aa Back ENTER Y You are now in console menus Display TS CTL Mode Press the
28. d Display Ext Input nn Where nn is either Force ON or Inhibit Press the BACK key to escape to the main screen Use the UP DOWN arrow keys and select Ext Input Press the ENTER key to save the selection Use the BACK key to escape to the main menu THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 38 54 4 2 21 Firmware Version Purpose This menu displays the revision level of the firmware programmed into the controller Setting Range N A Factory Default N A Keystrokes for Viewing the Software Version Start Press the DOWN arrow Press SHIFT Press ENTER key until you see a a akeu motor cdiPic suirt resr lt gt BACK ENTER Lv m MONITOR CONFI ee Cor Back ENTER Y You are now in the console menus Display VERSION V 4 xx Where xx is the version number Press the BACK key to escape to the mainscreen THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 39 54 4 2 22 Passcode Purpose The four digit numeric PASSWORD stops unauthorized users from modifying the controller s configuration parameters using the Operator Console Setting Range 0000 to 9999 Factory Default 0000 Keystrokes for Entering a Password Start Press the DOWN arrow Press SHIFT Press ENTER key until you see Sy moor odio 4 pe sur tes
29. d current Displays the current being drawn by the heating cable A GFI current Maintenance Tests Displays the ground fault current being drawn by the heating cable mA Trace testing The TEST TRACING feature temporarily overrides the temperature control and powers the heating cable circuit for 30 seconds without having to modify the CONTROL SETPOINT temperature or any other configuration parameter Display test Recorded Values The DISPLAY TEST feature provides an easy method of illuminating each display segment and all the LEDs of the Operator Console to ensure that they are functioning properly Temperature values This feature indicates the maximum and minimum temperatures recorded by the C910 485 since the last time the values were reset Max Control temp Min Control temp TS 1 Max Temp TS 1 Min Temp TS 2 Max Temp TS 2 Min Temp Contactor cycle count This feature indicates the total number of off to on transitions a contactor has made since the last time the CONTACTOR CYCLE COUNTER was reset See keystroke procedure for resetting Time in use Indicates the total hours in use of the controller since its initial operation or since It was last reset Time since last reset This feature indicates the total hours in use of the controller since the last reset Peak ground fault current This feature indicates the highest instantaneous ground fault current
30. e MB Note Make sure that power terminals are retightened several days after installation Stranded wire will tend to compress when initially installed therefore these terminals should be checked for tightness several times after the system is installed to ensure that a good connection is maintained Ai Note Follow the industry standard grounding practices Do not rely on conduit connections to provide a suitable ground Grounding terminals screws are provided for connection of system ground leads S210 Gontraler eae L1 LINE INPUT 1 PH INPUT POWER 100 277 VAC nom 50 60 Hz L2 NEUTRAL INPUT LOAD L1 LINE OUT i TRACER L2 NEUTRAL L1 LINE LOAD L2 NEUTRAL OUT THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 9 54 Figure 2 3 Power Connection 2 5 2 Temperature Sensor and Extension Cables The C910 485 has two 2 RTD inputs Use only 3 wire 100 N Platinum RTDs DIN 43760 a 0 00385 0 0 C T Note The Raychem C910 485 default is set for one RTD in position one If a second RTD is installed in position two the controller must be power cycled to recognize the RTD Fp S218 Controller ____ SHIELD Q SOURCE 0C SENSE 100 Ohm COMMON PURTD SHIELD 8 N C SOURCE Oc SENSE 100 Ohm COMMON RRO Figure 2 4 Temperature Sensor Wiring Note Temperature sensor manufacturers may use different lead wire colors than those shown in the dia
31. e Monitor menu displays the measured and stored readings You can also reset counters from this menu Setting Range See C910 485 Monitoring Factory Default N A and Maintenance Parameters table Keystrokes for Entering Monitor and Maintenance Menus START Press SHIFT Press BACK alnm mofifor CONFIG SHIFT TEST lt BACK You are now in the Monitor Maintenance menus Use the DOWN arrow key to view Use the DOWN arrow key to access the the following parameters ST Tracing and Display Test ARM molfor cdmPe aREM moNor cdPic smer test lt 4 gt sner rest lt 8 gt pack enter v pack enter v Control Temp Use the DOWN arrow key to access the Maintenance Data TS 1 Temp TS 2 Temp Load Current GFI Current o Resetting Min CTL Temp Max CTL Temp TS 1 Min Temp TS 1 Max Temp TS 2 Min Temp TS 2 Max Temp Contactor Cycle Count In Use hours Time Since last RESET Hours THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 47 54 Raychem 910 Monitoring and Maintenance Parameters Monitored variables Description CTL temp Control Temp TS1 temp This temperature is the value that the controller is reading from the RTD connected to its TS 1 input TS2 temp This temperature is the value that the controller is reading from the RTD connected to its TS 2 input if the sensor is being used Loa
32. eceeecceeeeeeeeeeeteeeeeeeteeeteeees 13 2 7 Initializing the Controller ee eeeeseeeeseeeeeeeeeeeeeeeseesenseaeeaseseesensensaeeereanees 13 2 7 1 Initial Heating Cable Test ee cece eee eeeee tee teeeeeeeaeeaeeneteeeees 13 Section 3 Operator Console c ccccsssseseseeeneenesseveeesessnessessevsneseeseeseeseesseseessneanenneseneaes 3 1 Alphanumeric Display CA NOY Ore 1o sehen s2tscece tases eeee sey A E caszsse site veeses 3 3 LED INGICALOMS sieve ccecteseziesscdsecestessssterscesvsstvdecateuieangsicvucusoudesastusaravevbenszs cts Section 4 C910 485 Operation ccecccsecssceseeseneseeeeeeeneeseseeseessseesseeseeesseeseeeeseeseesseeesees 16 4 1 Operating MOSS esivs s sciscsiees scbeseascodesees soecusasss den iashseveentsevecooegbdaaybceecessttans ants 16 4 1 1 Four Modes of Console oo eee eeeeeeeeeeeeeeeeeeeeesaeeneeeeseeeeaeeeeeees 16 4 2 Console Mode MenuS cccececceseeseeeeceeeeeteseeaetaesaeseeeseesaeseeseeseaeeeeaeeaes 18 4 2 1 Alphanumeric Tag ASSIQNMeNt eee eee eee ce tee eeeteeteeeteetaeeaes 19 4 2 2 Setting UNMS ksr a ia a ea N N E N 20 4 2 3 Switch Control MOde sessssesesnsisrerreresrerernsrnrarnsrnnrsrnrnsnnrnnnnrnrnnrnnnnnnna 21 4 2 4 Control SOOM oi s ccsscsccsecscevescaevesssieesestentececiectssiavaeasduqescsieedanpebnesdoicsids 22 42 5 DO Ad DAN sisicesoscoesessstuis ase ssacnes taivedesoevsssivesoosasastusasedegseaisvsenvousbaPaisasesenats 23 4 2 6 Proportional Ambient Sensing Control
33. ed in milliamperes The adjustable ground fault level gives the user the choice of both alarm and trip levels suitable for the particular installation Proportional Ambient Sensing Control PASC The C910 485 includes the Proportional Ambient Sensing Control PASC mode to maximize the energy efficiency of the heat tracing system Minimum Maximum Temperature Tracking The controller maintains the minimum and maximum temperature values measured since the last reset of these values Temperature Alarms The controller alarms on user selectable low and high temperature limits Auto cycling The controller will momentarily energize the circuit for 10 seconds at a programmable interval in order to test the heat tracing circuit during periods of non use This feature will detect issues with the heat tracing circuit before it can lead to system damage Temperature Sensor Failure Alarm Both open and shorted sensors are detected and alarmed by the controller Full Digital Communications The C910 485 incorporates RS 485 serial communication for applications requiring direct interfacing to BMS systems using Modbus protocol or used as a single circuit extension to the ACS 30 control system Certification Pentair Thermal Management certifies that this product met its published specifications at the time of shipment from the factory Limited Warranty This Pentair Thermal Management product is warranted against defects in material and
34. es the type of parity bit to be used with MODBUS communications Select the desired type of parity Note that PARITY can only be selected when using MODBUS protocol Hardware RS 485 Identifies the type of communications interface installed in the C910 485 Driver Auto RS 485 RS Defines the way in which the controller s program 232 Modem communicates with the communications interface Profile Auto 3 wire RS232 Defines the way in which the controller s program RS485 1200 BAUD supports communications handshaking and Modem 300 BAUD communication interface signals Modem Tx Delay 0 00 to 2 50 Allows a programmable delay between the receipt seconds of a communications message and the controller s reply In some applications it may be necessary to delay the controller s response to an Inquiry for a short period of time to allow external devices to start up stabilize and or synchronize THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 42 54 4 2 24 Auto Cycle Enabling Purpose The autocycle function applies power to the heating cable circuit for approximate 10 seconds at the selected interval It is used to test the integrity of the heating cable circuit Fal Note Although the autocycle function helps monitor the functionality of the heating cable circuits it does not eliminate the need for preventive maintenance as detailed in the heating cable operating manuals Setting Range Ena
35. function as shown by the text above that key When connected to the ACS 30 control system the key pad is locked out and will display Remote Control PROGRAMMABLE SINGLE POINT C910 SERIES HEAT TRACING CONTROLLER al MONITOR CONFIG Figure 3 1 Keypad Key SHIFT Function Press to activate a shifted function the next key pressed uses the alternate shifted function ALARM MONITOR and CONFIG The SHIFT LED illuminates indicating the next key uses the alternate shifted function Pressing SHIFT again cancels the alternate shifted function TEST Turns on heating cable circuit for 30 seconds SHIFT TEST Switches the console to the Alarm reset mode BACK Exits the current menu or cancels the new setting when editing a parameter Moves the cursor to the left when editing an alphanumeric parameter SHIFT MONITOR Switches the console to the Monitor mode ENTER Selects the item in the display or accepts the setting when editing a parameter Moves the cursor to the right when editing an alphanumeric parameter shift CONFIG Switches the console to the CONFIG mode Moves to the previous item in a menu Increments the value when editing Moves to the next item in a menu Decrements the value when editing THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 14 54 Up Down Arrow Once the main menu has been entered use the Up down arrow keys Key
36. gram above Some common color combinations are shown in the table below but others may also be available Lead Wire Lead Wire Lead Wire Color Signal Description Color Scheme 1 Color Scheme 2 Scheme 3 IEC 751 Source White White Red Sense White Black Red Common Red Red White Use shielded twisted three conductor wire for the extension of RTD leads The wire size should ensure that the maximum allowable lead resistance is not exceeded 20 N lead RTD wiring should be grounded at the controller end only using the terminals provided 2 5 3 External Device Control Override The C910 485 controller can be forced on or off using an external device with a dry contact THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 10 54 ERE C910 Controller 412 VDC E EXTERNAL DRY CONTACT T CLOSE TO ACTIVATE i INHIBIT OVERRIDE MODE 716 2K Ohms MAX TOTAL LOOP RESISTANCE EXTERNAL INPUT i the C910 for EXT Direct COMMON E Refer to sections 4 2 20 and section 4 2 21 i 47 Refer to section 4 2 3 to program for programming the C910 for the Inhibit mode Figure 2 5 Wiring for External Device Control Override 2 6 ALARM RELAY CONNECTIONS Two types of alarm relays are provided One is a DC contact and can be connected as dry contact Fig 2 6 or as a 12 Vdc contact Figure 2 7 The second is an AC relay triac and can be connected as an alarm relay Figure 2 8 or a powered
37. ing and Resetting Alarms 0 cece eeeeeeeeteetees 49 4 2 30 Alarm Output Normal State ee cece eee ee eee see see seeeeaesaeeeeeeetees 50 Section 5 Troubleshooting cecccssseeeeneseessesseesesneseeseesseesesseveeeseesneseesseesnesessesenenes 51 Section 6 Appendix A Proportional Ambient Sensing Control PASC 008 53 THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 2 54 Section 1 OVERVIEW 1 1 INTRODUCTION This manual provides information pertaining to the installation operation testing and maintenance of the Raychem C910 485 Heat Trace Controller Additional copies of this user manual may be ordered separately through your Pentair Thermal Management representative or online at_Wwww pentairthermal com This document covers the C910 485 Heat Trace Controller and its available options To ensure that you are using the correct documentation for your particular version of controller please check the firmware version number of your C910 485 against the version number listed on the front of this manual This may be displayed using the operator console or a communicating device 1 2 PRODUCT OVERVIEW 1 2 1 Description The C910 485 Electronic Heat Trace Controller controls monitors and communicates alarms and data for one heating cable circuit It comes with a RS 485 communication module for remote operation over Modbus protocol or in conjunction with the Raychem ACS 30 contr
38. lly open or normally closed operation The normal condition is assumed to be when the HTC is powered and no alarms exist Setting Range Normally Open N 0 or Factory Default Normally closed Normally Closed N C Keystrokes for changing ALARM OUTPUT from N C to N O Start Press the DOWN arrow Press SHIFT Press ENTER key until you see Cad RM MONTOR CONFIG ALAI mE Back ENTER Y You are now in the console menus Press the ENTER ALARM OUTPUT N C ALARM smer test lt A a sack ENTER v Use the UP DOWN arrow keys to select N C or N O s Press the ENTER key the new ALARM OUTPUT state will scroll across the screen Display ALARM OUTPUT N O MONITOR CONEIG So A HARE HE Ka THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 50 54 Section 5 TROUBLESHOOTING The C910 485 may be used as an effective troubleshooting tool to pinpoint problem areas of heating cable circuits Described below are a few of the more common problem areas their symptoms and parameters to check to determine the actual faulty portion of the heating cable circuit Symptom Probable Cause Corrective Action RTD failure alarm RTD is not a 3 wire 100 Q Platinum Damaged RTD sensor or extension cable Incorrectly wired Install correct RTD Install new RTD and or cable Re install RTD connections Seemi
39. nd heat tracing circuit Enclosure Protection TYPE 4X Materials FRP Ambient operating temperature 40 F to 140 F 40 C to 60 C range Ambient storage temperature 40 F to 185 F 40 C to 85 C range Relative humidity 0 to 90 noncondensing Control Relay type Double pole mechanical Voltage maximum 277 V nominal 50 60 Hz Current maximum 30 A a 104 F 40 C derated to 20 A a 140 F 60 C Control algorithms EMR On off proportional ambient sensing control PASC THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 5 54 Control range Monitoring Temperature Ground fault Current Autocycle Temperature Sensor Inputs Quantity Types 0 F to 200 F 18 C to 93 C Low alarm range 0 F to 180 F 18 C to 82 C or OFF High alarm range 0 F to 200 F 18 C to 93 C or OFF Alarm range 20 mA to 100 mA Trip range 20 mA to 100 mA Low alarm range 0 3 A to 30 A or OFF Diagnostic test interval adjustable from 1 to 240 minutes or 1 to 240 hours Two inputs standard 100 Q platinum RTD 3 wire a 0 00385 ohms ohm C Can be extended with a 3 conductor shielded cable of 20 Q maximum per conductor Alarm Outputs AC relay Dry contact relay Isolated solid state triac SPST 0 75 A maximum 100 V to 277 V nominal Pilot duty only 48 V dc 500 mA maximum 10 VA maximum resistive switching Note Outputs are configurable as open on alarm or close
40. ngly incorrect temperature Incorrect RTD used Install correct RTD Damaged RTD sensor or connection cable C910 485 not functioning correctly Install new RTD and or cable Verify correct reading input Connect a 100 0 resistor across the source or sense terminal and common Insert a jumper between the source and sense terminals Apply power to the controller The indicated or displayed temperature should be about 32 F 0 C Unstable or bouncing temperature Bad damaged or incorrectly installed RTD extension wire Terminal connections are not tight RTD or extension cable damaged Wire used for extension of the RTD should be three wire twisted and shielded with the shield grounded at the controller only Each of the three lead wires must be of the same gauge Verify tightness of connections Install new RTD and or cable High temperature TS 1 TS 2 Alarm temperature setting too close to maintain temperature Flow of hot water through pipe Incorrect heating cable wiring Increase setting Verify heating cable wiring LOW temperature TS 1 TS 2 Alarm temperature setting too close to maintain temperature Heating cable not sized properly for the application Damaged wet or missing thermal insulation Decrease setting Refer to the appropriate heating cable design guide for correct product selection Replace or install correct thermal insulation Control TS failure Failure
41. o allow normal operation of the cable Alarm time delay filter is factory set as immediate Setting Range 20 mA to 100 mA Factory Default 20 mA Keystrokes for Entering the Ground Fault Alarm Start Press the DOWN arrow Press SHIFT Press ENTER key until you see smr rest lt 4 a test lt lt a sack ENTER v sack enter Y You are now in the console menus j SHIFT Display Hi GFI 20 mA Press the ENTER Default 20 mA key woffor cditic a Use the UP DOWN arrow key to change the digit that is blinking MONTPOR CONFIG smer rest lt 8 a pack ENTER v To A MONTOR C suirt test lt p Back enter Use the RIGHT LEFT arrow to to move to the next digit ALARM MONITOR CONFIG SHIFT TEST lt q gt Back ENTER Y ONITOR CONFIG ALARM M smer test lt 8 aa sack ENTER v Press the ENTER key until the new HI GFI is scrolling across the screen Display Hi GFI xx mA Where xx is the HI GFI current THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 34 54 4 2 17 Ground fault Current Trip Level Hi GF Trip Purpose This allows the user to set the ground fault current trip level Exceeding this limit will result in the output switch being latched off
42. ol system if desired 1 2 2 Features A detailed description of available features may be found in Section 4 of this manual Highlights of specific features follow Keypad and Alphanumeric Display A six character alphanumeric LED display provides the operator with large easy to read messages and prompts eliminating complex and cryptic programming Six individual keys are provided to quickly access alarming and operational information 40 F to 140 F 40 C to 60 C Operation Extended temperature operation permits installation in all but the harshest environments Single or Dual Temperature Sensor Inputs The ability to utilize one or two temperature sensor TS inputs allows the selection of one of eight control modes and programming of all temperature parameters High and Low Temperature Alarms High and low temperature alarms are offered for both temperature sensor inputs of each control point High Temperature Cut out High temperature cut out is provided for both temperature sensor inputs Low Current Alarms The C910 485 offers adjustment of the low alarm points over the entire current measurement range Electromechanical Relay EMR Output The C910 485 is equipped with a 30 A rated electromechanical relay EMR output switch with device failure alarm THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 3 54 Ground fault Alarm and Trip Ground fault GF current levels are monitored and are display
43. on of 19 characters from A Z 0 9 or Keystrokes for Changing TAG Start Press the ENTER again to Press SHIFT Press ENTER edit the TAG name m o MONITOR CONFIG snit test lt A p sack enter 0 Display Tag Tag 000074465 Default Tag Name Use the UP DOWN arrow keys to change the the digit that is blinking gt mm omen cone a aS moor cfc A suet test lt gt rest lt A a Back ENTER Y Back ENTER Ly SHIFT o MONITOR CONFIG M MONTOR CONFIG ALARM ARR smer test lt 4 gt smer test lt A oa sack enter sack ENTER v Display THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 19 54 4 2 2 Setting Units Purpose This allows selection of the type units temperature or size to display on the operator Setting Metric or Imperial Factory Default Imperial Keystrokes for Changing Units Start Press SHIFT Press ENTER ALARM MONTOR CONFIG a e E E ne suirt test a aa a smr test lt A aa ares Ly aa Ly You are now in the console menus Press the DOWN arrow key until you see Units Imperial Default Units Press the ENTER Use the UP DOWN arrow keys to select between imperial and metric E Press the ENTER key the ne
44. owered AC Alarm Relay 2 6 1 Communication Signal Connections The C910 485 controller includes a RS 485 communications interface Use twisted pair shielded cable communication wiring Ground the shield on communications wiring at one end only using the terminals provided 210 Controller Gace Figure 2 12 Communication Wiring C910 485 only RS 485 2 Wire Connections 2 7 INITIALIZING THE CONTROLLER 2 7 1 Initial Heating Cable Test To minimize the risk of damage to the controller due to a heating cable fault the integrity of the heating cable should be verified by performing the commissioning tests detailed in the appropriate product installation and operating manual These manuals can be found on_www pentairthermal com These tests must be performed with the controller output disconnected Once the cable has been checked it may be reconnected to the controller and power applied THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 13 54 Section 3 OPERATOR CONSOLE 3 1 ALPHANUMERIC DISPLAY The console incorporates a six characters fourteen segment plus decimal LED display Messages and prompts that are greater than six characters long are scrolled allowing more meaningful non cryptic messages to be used 3 2 KEYPAD The local keypad consists of six keys that allow you to select the console mode function that you are interested in For certain keys the SHIFT key selects an alternate
45. rogrammable THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 7 54 Section 2 INSTALLATION AND WIRING 2 1 INTRODUCTION This section includes information regarding the initial inspection preparation for use and storage instructions for the C910 485 Heat Trace controllers 2 2 INITIAL INSPECTION Inspect the shipping container for damage If the shipping container or cushioning material is damaged it should be kept until the contents of the shipment have been verified and the equipment has been checked mechanically and electrically If the shipment is incomplete there is mechanical damage a defect or the controller does not pass the electrical performance tests notify the nearest Pentair Thermal Management representative If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier as well as your Pentair Thermal Management representative Keep the shipping materials for the carrier s inspection 2 3 INSTALLATION LOCATION The wide ambient operating temperature range of the controller permits installation in most locations Considerations should include accessibility for maintenance and testing and the location of existing conduits 2 4 MOUNTING PROCEDURES The mounting template is shown in Figure 2 1 Drill conduit entry holes prior to mounting Conduit entries should be made in the bottom of the enclosure If possible to reduce the possibility of water entry from
46. s for a particular purpose THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 4 54 Exclusive Remedies The remedies provided herein are the buyer s sole and exclusive remedies Pentair Thermal Management shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Conducted and Radiated Emissions FCC DOC Statement of Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated ina commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their expense This equipment does not exceed Class A limits for radio emissions as set out in Schedule V to VIII of the Radio Interference Regulations of Communication Canada 1 3 PRODUCT SPECIFICATION General Area of use Nonhazardous locations Approvals r Nonhazardous locations c i US Supply voltage 100 V to 277 V 5 10 50 60 Hz Common supply for controller a
47. s to navigate the program options 3 3 LED INDICATORS The console includes eight LED indicators Four LEDs indicate the console operating mode SHIFTed function ALARM MONITOR or CONFIGure modes Two status LEDs indicate the alarm and control output status of the controller The OUTPUT LED when illuminated steadily indicates that the output of the controller is turned on and is allowing current to flow into the heating cable circuit The ALARM LED will flash approximately once per second when the controller has detected an alarm condition Two additional LEDs are used to indicate external communications activity and are only used with the C910 485 with the optional RS 485 communications interface The Rx LED flashes to show that the Controller is receiving information via its communications port The Tx LED flashes when the Controller is transmitting information via its communications port PROGRAMMASLE SINGLE POINT C910 SERIES HEAT TRACING CONTROLLER Figure 3 2 Operator Console THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 15 54 Section 4 C910 485 OPERATION 4 1 OPERATING MODES 4 1 1 Four Modes on Console Scan This is the default mode displayed during normal operation In this mode the console sequentially displays load current temperature and setpoint readings Alarm This mode allows you to examine or reset any alarms that may exist The LED above the ALA
48. t IE LO Load xx A J or Press the BACK key to escape to the mainscreen LO Load xx A a a ee ee Where xx is the new setpoint nEn yolon ede A smer test lt 4 sack enter v THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 32 54 4 2 15 Factory Default Settings Load Defaults Purpose To provide a quick method of re Setting the controller s configuration parameters to the Factory Default parameters Setting N A Factory Default N A Keystrokes for Loading Defaults Start Press the DOWN arrow Press SHIFT Press ENTER key until you see ALARM jj SHIFT fed Y You are now in the console menus Display Load Defaults Press the ENTER Displa Are You Sure Sj ae SHIFT TEST A m v Press the ENTER to select NO Displa or Use the UP DOWN arrow keys to select Yes Display au moio cdc a Copied smeT test lt TE Co ied Ly THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 33 54 4 2 16 Ground fault Current Alarm level Hi GF Alarm Purpose This allows the user to set the ground fault current alarm level Exceeding this limit will trigger the alarm to indicate that a ground fault condition exists in the heating cable circuit To protect against the risk of fire or shock ground fault level should be set at the lowest level possible t
49. to on Inspect contactor and replace if transitions of a necessary contactor has exceeded the CONTACTOR COUNT ALARM setting and the contactor should be replaced THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 52 54 Section 6 APPENDIX A PROPORTIONAL AMBIENT SENSING CONTROL PASC PASC takes advantage of the fact that the heat loss from a pipe is proportional to the temperature difference between the pipe and the ambient air This is true regardless of heating cable insulation type or pipe size Once the heat tracing and insulation ona pipe has been designed to balance heat input with heat loss and maintain a particular temperature the main variable in controlling the pipe temperature becomes the ambient air temperature The C910 485 has a control algorithm that uses the measured ambient temperature desired maintain temperature minimum ambient temperature assumption used during design and size of the smallest pipe diameter to calculate how long the heating cable should be on or off to maintain a near constant pipe temperature The power to the heat tracing is proportioned based upon on the ambient temperature If the ambient temperature is at or below the minimum design ambient plus 3 F the heating cable will be on 100 If the measured ambient is at or above the maintain temperature 3 F the heating cable will be on 0 For any measured ambient between minimum design ambient and
50. w UNITS will be scrolling across the screen ALARM fj ege SHIFT TEST A fl fj ois SHIFT TEST EA il ool Y Display Units Metric THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 20 54 4 2 3 Switch Control Mode Purpose This allows selection of the type of algorithm to be used to maintain the control setpoint temperature Reference Figure 2 5 for the External Direct wiring schematic Setting On Off or Proportional Ambient Factory Default On off Sensing Control PASC External Direct Keystrokes for changing Switch Control Mode Start Press the DOWN Press SHIFT Press ENTER arrow key until you see ALM E TOR ea FIG suet test a Ta v You are now in the Console menus Use the UP DOWN arrow key to select between ON OFF PASC or Ext Direct m E ja CONFIG e res p EA ENTER v Press the ENTER key the new control mode will be scrolling across the screen Display fener reer f gt 4 Switch Control Mode lt Eal v NN Where NN is either ON OFF PASC or Ext Direct Press the BACK key to escape to the main screen THERMAL BUILDING SOLUTIONS EN RaychemC910 485series IM H58415 12 14 21 54 4 2 4 Control Setpoint Purpose This is the temperature that the controller uses to determine whether its output switch should be on or off
51. workmanship for a period of 18 months from the date of installation or 24 months from the date of purchase whichever occurs first During the warranty period Pentair Thermal Management will at its option either repair or replace products that prove to be defective For warranty service or repair this product must be returned to a service facility designated by Pentair Thermal Management The Buyer shall prepay shipping charges to Pentair Thermal Management and Pentair Thermal Management shall pay shipping charges to return the product to the Buyer However the Buyer shall pay all shipping charges duties and taxes for products returned to Pentair Thermal Management from another country Pentair Thermal Management warrants that the software and firmware designated by Pentair Thermal Management for use with the C910 485 Controller will execute its programming instructions properly Pentair Thermal Management does not warrant that the operation of the hardware or software or firmware will be uninterrupted or error free Warranty Exclusion Disclaimer The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by the Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the specifications for the product or improper installation No other warranty is expressed or implied Pentair Thermal Management disclaims the implied warranties of merchantability and fitnes

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