Home

Intelli Fin Sequencer I & S Manual

image

Contents

1. addition to the sequencing options listed above in the Standard Sequencing Packages the Custom Sequencing Packages offer the following sequencing enhancements SMP3003 Custom Sequencing Package for Water Heaters SMP3004 Custom Sequencing Package for Boilers SMP3005 Custom Sequencing Package for Boilers with Outdoor Air Reset Efficiency Optimized The lead lag will be based on first on first off lead lag The overall efficiency will be optimized to run the boilers or water heaters at their highest efficiency Highest efficiency occurs at the minimum loading for each boil er or water heater Therefore this option will add boilers or water heaters when the load reaches a point where the next boil er or water heater can run at minimum load Efficiency Optimized with Time Equalization This is the same as Efficiency Optimized but the lead lag is based on boiler or water heater run times The boilers or water heaters will be sequenced to equalize run times to within 24 hours over a years time period If no opportunity is given to cycle the con trol will not interrupt action to equalize run time Efficiency Optimized Control Algorithm Operation The efficiency optimized control algorithm controls boilers to achieve maximum operating efficiency by having boilers firing at the lowest rate possible and still statisfying the load Boiler efficiency is highest at the lowest firing rate and lowest at the maximum fir
2. 0 and the SMP3011 Sensor Location and Wiring Requirements 7 SMP3014 FEN ee bae AO Multiple sequencing options are available The specific soft LonWorks Termination Module 8 A ware programming required to sequence multiple boilers must System Integration E E E ES 8 be specified at the time the appliances are ordered The Troubleshooting eiere II is pi 9 sequencing options are used to control how multiple boilers or Sequencer Wiring Diagram ooooocoocrocmmm 10 water heaters are cycled to meet system demand The sequenc ing options are programmed into an Excel 10 controller at the Table of Figures factory based on the number of selectable sequencing algo Figure 1 Commissioning Label 5 rithms ordered The desired method of sequencing multiple Figure 2 Daisy Chain Connection 6 boilers or water heaters may be selected from the screen of the Figure 3 Rear E Bus Connection 6 Command Display Figure 4 Wire Termination for E Bus Connection 6 f F Fi There are up to five sequencing options that are selectable from igure 5 Sequencer Rear View o ooo o ooooo 6 5 the Command Display based on the sequencing package pur Figure 6 Sequencer Inside View 7 Se f chased One sequencer has the capability of handling up to 16 Figure 7 Primary Secondary Loop tte 8 boilers or water heaters Figure 8 Seque
3. ETPOINT AND MAX RESET TEMP RUN AT MAXIMUM RESET TEMP ee Factory Special Field Adjustable Maximum Reset Temperature 180 F ON Using Command Setpoint Temperature 130 F O Display Boiler Interface Controller Negative Input 11 4 20mA Output Building Positive Input 10 From BMS Management Polarity System OPTIONAL Sensitive Sequencer 4 20ma INPUT CONNECTIONS SEE ACTUAL WIRING DIAGRAM FOR DETAILS ON PAGE 10 OF THIS MANUAL 4 COMMISSIONING Commissioning will be done at the factory and cannot be changed in the field Consult factory for more details Please reference the Commissioning Label for applicable serial num bers as depicted below in Figure 1 NTELEIE FIN SEQUENCER _ ENE 3005 D PART NO ____ 3005 _ 7 SERIAL NO kosHoo153764 __ 7 SEQUENCING OPTIONS ___smP3001_ LL ___smpsooz ____ J ___SMP3003_ L C smeo 17773 THE FOLLOWING SERIAL NUMBERS ARE APPUANCES COMMISSIONED TO THIS SEQUENCER KOSHOO1S3764 KO3H00153766 KO3H00153765 KOSHOO1S3767 SEQUENCER REQUIRES 24 VOLT 40 YA POWER SOURCE Figure 1 Commissioning Label PARTS LIST ITEMS KIT INCLUDED IN THE e 2 Remote Mounting Sensors e 2 Bulbwells e Option Outside Air Sensor e Option Outside Air Mounting Bracket e 22 AWG Communications Wire 25ft shipped with the unit Items to be Provided by the Installer e Mounting Screws e 18 Gauge Shielded Cable recommended for noisy environ
4. IFS i amp s 02 Intelli Fin Sequencer SMP3000 3014 Installation Manual STOP RY N General Product Table of Contents i General Product Information sassu 1 l nfo rma tl on DAMIAN ONS use hats pane eii le iaa 2 Options Offered on the SMP3000 SMP3002 2 The SMP3000 3005 Sequencing packages are an effective Options Offered on the SMP3003 SMP3005 j way to improve efficiency reduce maintenance and enhance Options Offered on the SMP3002 3005 3014 and the longevity of a hydronic system SMP3014 Boilers Only Outdoor Air Reset 3 i Options Offerered on the SMP3009 3012 and NOTE This controller MUST be designed to operate with a SMP3014 4 20 mAReset 4 primary secondary full flow boiler loop This is due to the fact Parts List Items Included in the Kit 0 A Beat CHAT Ree Me Op a Items to be Provided by the Installer 5 Intelli Fin boilers and water heaters give system designers Recommended Tools oooococoocoocoocrooroos 5 conventional sequencing options such as first on last off and One Year Warranty oooooooocorororncoonor o 5 first on first off which are offered as part of this standard Installation ca Pecos ra iiie eect 5 sequencing package however the Intelli Fin also provides a Location and Mounting ses csee eie nense niusa 6 whole host of optional sequencing packages on the SMP3003 Connecting to Electrical Supply 6 SMP3005 SMP3009 SMP301
5. ce can be maintained above the sequencer This clearance is needed to allow access to the Neuron ID switch on the sequencer Mount the sequencer to the wall with four 4 mounting screws not supplied through the mounting holes in the base as shown below in Figure 5 Mounting Hole Mounting Hole A Mounting Hole Figure 5 Sequencer Rear View Mounting Hole Connecting to Electrical Supply The sequencer contains one or more 120VAC to 24VAC step down transformer s 24VAC is used to power the el ectronic components of the sequencer Fig 6 Supply a dedi cated 120VAC input source to the transformer leads The amp draw of the sequencer is less than 15 amps Wiring RLY2043 RLY2715 Inlet Outlet Control Commissioning Diagram el Interface Board Label Transformer 4 20 mA Reset Label Outdoor Air Reset Label Ground Terminal Optional Optional Connection Figure 6 Sequencer Inside View Sensor Location and Wiring Requirements Note All wiring must comply with applicable codes and ordi nances 1 Disconnect external power before wiring to prevent electrical shock or equipment damage 2 The sequencer comes with two 2 remote mount sensors that are shipped loose These sensors should be installed in the bulbwells that have also been shipped loose 3 The bulbw
6. ells should be installed 1 each in the supply and return lines of the primary system piping a The supply sensor should be located at least four 4 pipe diameters downstream of the last connection from this secondary piping loop to the primary loop Fig 7 page 8 b The return sensor should be located at least four 4 pipe diameters upstream of the first connection from this secondary piping loop to the primary loop Fig 7 page 8 4 Wiring between the sensor and the sensor connector leads on the sequencer should be as short as possible and be made with 18 gauge shielded cable recommended but not required 5 If the sequencer has been ordered with Outside Air Reset an outside air sensor and sensor mounting bracket will be shipped with the sequencer 6 Mount the bracket to an exterior wall with four 4 mounting screws not supplied through the mounting holes in the bracket 7 Install the sensor into the mounting bracket 8 Wiring between the sensor and the sensor connector leads on the sequencer should be as short as possible and be made with 18 gauge shielded cable All wiring must comply with applicable code and ordinances IMPORTANT All field wiring must conform to local codes and ordinances or as specified on installation wiring diagrams E Bus Communications Wiring eUnswitched 24 V ac power wiring can be run in the same con duit as the E Bus cable All field wiring must conform to local codes and ordi
7. ing rate At lower firing rates more heat is trans ferred from the combustion gases through the heat exchanger to the water inside the boiler The combustion gases are flowing slower past the heat exchanger and give up more heat The efficiency algorithm works as follows One firing rate is commanded to all boilers As soon as the firing rate to all boil ers ON exceeds that required to bring on a new boiler at the min imum firing rate a new boiler is ignited and begins firing Once the new boiler is operating and supplying heat all boilers are modulated down to a new minimum to compensate for the new boiler being turned ON A similar thing happens when a boiler is subtracted from operation When all boilers are firing at the minimum and the load is decreasing a boiler is shut OFF and the remaining boilers ON are modulated up to satisfy the load deficit The efficiency optimized control algorithm operation can best be illustrated with the following example Example Assume we have a four boiler system all boilers are initially OFF and a load change occurs resulting in an overall load of 20 One boiler firing at maximum can satisfy only 25 of the load The first boiler is ignited and modulates up to a 50 firing rate At this point a second boiler is ignited One boiler firing at 50 is equivalent to two boilers firing at 25 Both boilers modulate to 37 5 and the third boiler is ignited Two boilers firng at 37 5 is equivalent to
8. iring to transformer from supply Replace transformer Turn the switch ON Correct the wiring at the switch or replace switch Replace interface board s Replace control Correct wiring Correct EMS Replace jumper plug Disconnect outside air sensor or wait until outside air temperature drops below 70 F Correct wiring Re route sensor wiring Move sensors Replace interface board Replace control Replace sensor Note Replacement of the control will require domain subnet and node addresses for all appliances in this network appliance will have to be recommissioned consult factory This must include all Intelli Fin units and any Command Displays SEQUENCER WIRING DIAGRAM LEFT SIDE WING BOARD 2 o RIGHT SIDE WING BOARD 2 5 US 1 w G i COMMUNICATION CABLE mmm CONNECT TO ers SEQUENCER 9 2 SEQUENCED E eo st 2 5 m Ho y UNIS 25 E pios cidad rma ic D BK fi E OPTIONAL i S TTi H eee e ewww ees eens t R Fos 4 20mA Reset q 5 05 Hi a ES E LS S 3 H OPTIONAL E a 0 A id he POS 3 gp orororororororcacaoa QQ R M A iz o i OPTIONAL 4 ps 9 1 7 iS AER dro A Q 22 lin le E OUO An E o E a OQ o ho SENSOR OUTLET AERE 3 0 a a z SENSOR E gt a G ae 0 SUPPLY
9. ments RECOMMENDED TOOLS e Small Flathead Screwdriver e Medium Phillips and or Flathead Screwdriver e Pliers e Wire Cutters Strippers e Drill ONE YEAR WARRANTY Factory warranty shipped with sequencer does not apply to equipment improperly installed or improperly operated Experience has shown that improper installation or system design rather than faulty equipment is the cause of most oper ating problems INSTALLATION The sequencer is supplied in a separate control enclosure that will be connected to multiple appliances via an E bus connec tor on the rear of each appliance The sequencer comes mount ed in an enclosure that requires a field installed 120VAC power source An optional enclosure with a sub base and 24VAC power supply is available to allow remote mounting of a Command Display adjacent to the sequencer Connection between multiple ntelli Fin appliances is accom plished via an E bus connection An E Bus terminal is provid ed on the rear of each appliance as depicted in Figures 2 and 3 The minimum specification for the communications wire is for a Level IV 22 AWG 0 034 mm plenum or non plenum rated as applicable unshielded twisted pair stranded wire Use plenum rated wire where required See Wire Requirements in your Intelli Fin Installation and Service Manual for a listing of manufacturers who supply communication wire meeting this specification The twisted pair wire is used to make daisy chai
10. n connections see Fig 2 between the E Bus terminals on multi ple appliances The E Bus connection uses a Free Topology Transceiver FTT to support a polarity insensitive free topolo gy wiring scheme for star loop and or bus wiring The maxi mum number of nodes per segment is 60 The maximum num ber of nodes in a two segment FTT network is 120 when using a repeater between the two segments Consult factory for addi tional information on interface wiring of multiple Intelli Fin appliances to an Energy Management System EMS Wiring to the terminal blocks is as follows NOTE When attaching two or more wires to the same termi nal twist wires together Deviation from this rule can result in improper electrical contact Reference Figure 4 when per forming the following steps 1 Strip inch 13mm insulation from the conductor 2 Insert the wire in the required terminal location and tighten the screw to complete the termination 3 If two or more wires are being inserted into one terminal location twist the wires together a minimum of three turns before inserting them 4 Cut the twisted end of the wires to 3 16 inch 5mm before inserting them into the terminal and tightening the screw 5 Pull each wire in all terminals to check for a good mechani cal connection For additional components used to interface multiple appli ances see the Intelli Fin Installation and Service Manual pro vided with the appliances FTT
11. nances eDo not use different wire types or gauges on the same LonWorks network segment The step change in line impedance characteristics will cause unpredictable reflections on the bus When using different types is unavoidable use a router at the junction The use of shielded cable for LonWorks network wiring runs is not recommended The higher capacitance of the shielded cable will cause degradation of communications throughput In noisy high EMI environments avoid wire runs parallel to noisy power cables or lines containing lighting dimmer switches and keep at least 3 inches 76mm of separation between noisy lines and the LonWorks network cable However in some cases where high electrical noise exists the use of shielded cable may be unavoidable If it is felt that shielded cable is necessary consult the factory or a qualified LonWorks installer for direction Make sure that neither of the LonWorks network wires are grounded Communications wire connections are polarity insensitive Sensor wiring 14 to 20 AWG 2 0 to 0 5 mm2 for runs gt 100 ft 30 m twisted pair or shielded cable is recommended SYSTEM LOOP Intelli Fin Sequence Temp Sensor 10ft from first boiler 12 max or 4 pipe diameters System Pump s Boiler 1 Boiler 2 Boiler Pumps on off with boiler s Figure 7 Primary Secondary Loop LONWORKS TERMINATION MODULE 1 N W One or two LonW
12. ncer Wiring Diagram 10 NOTE Separate sequencers must be used if desired to control both boilers and water heaters simultaneously Save this manual for future reference this manual for future reference A WARNING Verify the correct sequencing package is used for the correct application LIMITATIONS These installation instructions are for sequencer kits SMP3000 SMP3014 These kits are for use with Intelli Fin Models IB 1W 1500 2000 and can be used for the sequencing of up to 16 units Model s Boiler IB 1500 1700 amp 2000 Water Heater IW 1500 1700 amp 2000 Options Offered on the SMP3000 SMP 3002 Standard Sequencing Packages SMP3000 Standard Sequencing Package for Water Heaters SMP3001 Standard Sequencing Package for Boilers SMP3002 Standard Sequencing Package for Boilers with Outdoor Air Reset First On First Off This is a lead lag control functionality The sequencing of the boilers or water heaters is based on the total loop load with added units being brought ON when the units that are running are at 100 and the loop load is not being met Boilers or water heaters are turned OFF when the loop load falls and the first boiler or water heater ON is at minimum load First On Last Off This is a simple first on last off without rotation of the lead boiler or water heater Options Offered on the SMP3003 SMP3005 Custom Sequencing Packages In
13. networks are flexible and convenient to install and main tain However it is imperative to plan the network layout and to create and maintain accurate documentation Careful plan ning and up to date documentation facilitates compliance veri fication and future FTT network expansion It also minimizes unknown or inaccurate wire run lengths node to node device to device distances node counts total wire length inaccurate repeater locations and misplaced or missing terminations Note A System Integrator s Guide along with dedicated resource files is located on our website at www lochinvar com select Boilers and then click on the Intelli Fin picture Figure 2 Daisy Chain Connection Rear E Bus Connection Figure 3 Rear E Bus Connection STRIP 1 2 FROM WIRE TO BE ATTACHED TWIST WIRES TOGETHER WITH PLIERS MINIMUM OF THREE TURNS 1 2 13MM INSERT TWISTED WIRES UNDER TERRMINAL AND TIGHTEN CHECK FOR A GOOD MECHANICAL CONNECTION Figure 4 Wire Termination for E Bus Connection Location and Mounting It is recommended that the sequencer be mounted in close prox imity to the units in order to avoid unknown or inaccurate wire run lengths node to node distances node counts total wire length inaccurate repeater locations and misplaced or missing terminations Choose a location in a convenient interior or place where the controls and connections are accessible and a 6 clearan
14. orks Network Termination Modules part number 209541B are required for a LonWorks network with FTT devices on it depending on the configuration Double termination is required only when the network is a daisy chain configuration and the total wire length is greater than 1640 ft 500 m The maximum lengths described in Step 2 must be adhered to for either a daisy chain or free topology LonWorks net System Integration The intent of these wiring guidelines is to cover the connections made to Lochinvar boilers It is highly recommended that you consult a qualified LonWorks installer for integration of the Lochinvar boilers into a Lon Works based system TROUBLESHOOTING SITUATION Sequencer does not power up Sequencer does not communicate with boilers Temperature sensors reading erratically POSSIBLE CAUSE S No 120VAC to transformer No 24VAC output from the transformer No continuity through the Run Stop switch Faulty interface board s Faulty sequencer Faulty wiring between sequencer and boilers Building Energy Management System EMS has boilers locked out Bypass jumper not plugged into interface board Outside air lockout engaged on units with T O reset Poor wiring connections at sensors or sequencers Sensor wiring routed with 120VAC power lines Sensor located near electrical motors Faulty interface board Faulty sequencer Faulty sensor CORRECTIVE ACTION Check w
15. tem on warmer days when heating is not required INTELLI FIN SEQUENCER OUTDOOR AIR RESET VALUES SMP3002 SMP3005 SMP3013 8 SMP3014 BOILERS ONLY 180 F Max Water Temp F Calculated Setpoint 130 F 0 A Min Setpoint Temp at Shutdown Outdoor Air Temp F i t Lockout A Factory Special Factory Field Adjustable Using Command Display Maximum Reset Temperature 180 F f Setpoint Temperature 130 F fF aoe RTT A LOCKOU NOTE 4 20ma RESET HAS PRIORITY OVER OUTDOOR AIR RESET Sequencer Boiler Interface Controller 00000000 LBL2226 REV Field Provided Sensor Wiring Polarity Insensitive Mounting Bracket Outdoor Air Sensor CONNECTIONS SEE ACTUAL WIRING DIAGRAM FOR DETAILS ON PAGE 10 OF THIS MANUAL Options Offered on the SMP3009 SMP3010 SMP3011 SMP3012 and SMP3014 4 20mA Reset Sequencer panels have the option of being equipped to handle a 4 20mA reset signal from a Building Management System When equipped as such the sequencer has the ability to respond to variations in the 4 20mA signal by either raising or lowering the water temperature or shutting down the units INTELLI FIN SEQUENCER 4 20mA VALUES Not connected Typical Values Shown or OmA signal Setpoint Calculated Setpoint Setpoint Temp ShutDown i Temp o Off o beg External OmA to 20mA Signal p mA VALUE TO SEQUENCER SEQUENCER ACTION TAKEN 7 19mA LINEARLY RUN BETWEEN S
16. three boilers firing at 25 All three boilers now modulate to a firing rate of 27 sat isfying the overall load of 20 at maximum efficiency with no unnecessary cycling Now assume the load changes to 15 All three boilers are modulated down to 25 and temperature is still rising One boiler is commanded OFF and the remaining two boilers modulate up to 30 and satisfy the load NOTE This explanation has been idealized In actuality the control algorithm assumes the switching firing rate is 33 This assumption prevents unnecessary cycling resulting from load fluctuations that would be associated with a 25 switching fir ing rate Efficiency Not Optimized Control Algorithm Operation The efficiency not optimized control algorithm controls boil ers to achieve the minimum number of boilers firing at one time Before a new boiler can be commanded ON all the boilers cur rently ON are at a firing rate of 100 and the load is not being satisfied If the load can be satisfied with this new boiler mod ulating above the minimum all the previously ON boilers are held at a firing rate of 100 and the new boiler modulates up and off the boilers that are firing at the maximum are modu lated back slightly so that the new boiler will modulate above the minimum and not cycle For the efficiency not opti mized case all boilers are at or near the maximum firing and one boiler is modulating to satisfy the load fluctuations The previo
17. us example used to illustrate how efficiency opti mized works is not a good example for the efficiency not optimized case If it were applied to that example only one boiler would ever come ON For an overall load of 20 one boiler would be ON and at a firing rate of 80 and for an over all load of 15 the firing rate would be 60 A better example would be to assume that we have a four boil er system all boilers are initially OFF and a load change occurs resulting in an overall load of 60 The first boiler is turned ON and modulates to 100 The second boiler is turned ON and the boiler is modulated to 100 and the load is still not being satisfied The third boiler is turned ON and modulates to 40 satisfying the load Now assume the over all load changes to 40 The third boiler is turned OFF the second boiler is modulated down from 100 to 60 and the first boiler remains at 100 Notes for Both Approaches In the previous exam ples the boiler that would be turned OFF was based on first on last off for simplicity Also in this explanation the term boiler was used but the same holds true for a water heater Options Offered on the SMP3002 SMP3005 SMP3013 and SMP3014 Boilers Only Outdoor Air Reset Sequencer panels have the option of being equipped with Outdoor Air Reset which automatically readjusts the tem perature of the boiler loop to provide additional heat during cold days and provide for shutdown of the sys
18. wa 2 3 N ENABLE inter Poumer i Bvt SWITCH SENSOR ISENSOR RETURN O BIC V2 0 x BK BK CD INLET OPTIONAL STOP RUN SENSOR Du GROUND SWITCH SEQUENCER SCHEMATIC WIRING CHASSIS GROUND Je DIAGRAM EXTERNAL MD CONNECTIONS X o lt L UW 0 3353 BE bd a E 120 VAC ok 15 AMP y Las Ze gt lt N pe LBL2139 REV C 10 Figure 8 Sequencer Wiring Diagram NOTES 12 03 Printed in U S A

Download Pdf Manuals

image

Related Search

Related Contents

Italy_meter manual_Italian Rev6 AUG2012.indd  SERVICE MANUAL  2015v3 - TimeTronics  SDS - ファインケミカルジャパン  ASUS G750JM User's Manual  imp. DIVANI OK I_Layout 1  kristall  Lalr - A Generator for Efficient Parsers J. Grosch DR  Télécharger la lettre  manual Transbox  

Copyright © All rights reserved.
Failed to retrieve file