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DIFFERENTIAL (Boil DIFF)

(See fig. d)

An on/off heat source such as a boiler must be operated with
a differential to prevent short cycling. This differential is
centered around the Boil TRG temperature

• If boiler supply temperature drops 1/2 of the differential

setting below Boil TRG temperature, the control closes Boiler
contact to fire boiler

• If boiler supply temperature rises 1/2 of the differential

setting above the Boil TRG temperature, the control opens
Boiler contact to turn off boiler

• The SYSTEMpro 311 offers either a fixed or automatic

differential setting

• If AUTO differential is selected, the control automatically

adjusts boiler differential setting under current load
conditions to minimize short cycling

BOILER OPERATION

When the SYSTEMpro 311 notices that boiler operation is
required, Boiler contact terminals (15 and 16) close. While the
Boiler contact is closed, the burner segment in the LCD is
displayed.

BOILER PURGE

After all demands are satisfied, the SYSTEMpro 311 continues
to operate primary pump (P3, terminal 8) for 20 seconds.

• Allows any excess heat to be purged out of boiler after

burner is shut off

• Helps prevent water in the boiler from flashing into steam

after boiler is shut off

• There must not be any motorized valves to restrict water

flow through pump and boiler

81

CONTROL FUNCTION

OVER

VIEW

CONTROL FUNCTION OVERVIEW - Section F - Boiler Operation

Adjust

d

Access Level

LTD

USER

INST

ADV

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Содержание SYSTEMpro 311

Страница 1: ...SYSTEMpro 311 Installation Manual...

Страница 2: ...lation Manual is published by Uponor Wirsbo 5925 148th Street West Apple Valley MN 55124 952 891 2000 2002 Uponor Wirsbo All rights reserved First Edition First Printing July 2002 Printed in the Unite...

Страница 3: ...High Temp Zone Settings 38 41 B DHW Settings 42 43 C Mixing Device Settings 44 49 D Snow Melting Settings 50 53 E Boiler Operation Settings 54 55 Step 2 Test Sequence 56 57 CONTROL FUNCTION OVERVIEW...

Страница 4: ...9 Section F Boiler Operation 80 81 Section F1 Boiler Supply Sensor 80 81 Section G Troubleshooting 82 83 APPENDIX I Variable Speed Injection Mixing 85 87 II SYSTEMpro 311 Menu Tree 88 89 III Applicati...

Страница 5: ...It can be used to supply mixed loop water temperature heat to a radiant floor or snowmelt application and is specifically created to operate efficiently as part of a Wirsbo radiant snow melt heating s...

Страница 6: ...splay To view the next available item press and release the Item button Once you have reached the last available item in a menu press and release the Item button to return the display to the first ite...

Страница 7: ...the selected item Display Symbol Description o o Open Close Displays when the actuator is opening or closing Mixing Device Output Scale Shows output of injection pump or mixing valve Arrows show whet...

Страница 8: ...the normal set up of the control NOTE This is how the control arrives from the factory 4 Advanced ADV See fig d Allows access to all of the control settings available How to Set The Access Level ACCES...

Страница 9: ...room temperature for the mixing zone NOTE This screen will be available in the View Menu only when the Indoor INDR sensor is selected under the MIX 10K screen in the ADJUST Menu ROOM See fig c Actual...

Страница 10: ...er to meet current conditions MIX SUP See fig f Shows actual mix supply water temperature to the system at mix supply sensor S1 location Boil TRG See fig g The targeted boiler supply temperature the c...

Страница 11: ...DHW device is selected in the DHW THRU screen in the ADJUST Menu DHW See fig j Shows the actual DHW tank temperature at the DHW sensor S6 location NOTE This screen will be available in the View Menu...

Страница 12: ...cation SLAB TRG See fig b The targeted temperature the control has calculated in order to meet current conditions SLAB See fig c Shows actual slab temperature at slab sensor S7 location STATUS See fig...

Страница 13: ...rature differential Delta T between mix supply sensor S1 and mix return sensor S5 locations Boil TRG See fig h The targeted boiler supply temperature the control has calculated in order to meet the cu...

Страница 14: ...y when a sensor is selected in the DHW SENS screen in the ADJUST Menu DHW See fig k Shows actual DHW tank temperature at DHW sensor S6 location This screen is available only when a sensor is selected...

Страница 15: ...Electrical Connections to the Control 23 28 Powered Input Connection 23 Output Connections 24 25 Sensor Connections 26 Unpowered Input Connections 27 Temperature Resistance Chart 28 Step 7 Testing the...

Страница 16: ...AND DISCLAIMERS Failure to install and or operate this control properly could result in Damage to the equipment Personal injury Property damage It is up to you to make sure this control is installed...

Страница 17: ...top of the front cover and pull out and down See fig a Lift the front cover up and away from the control See fig b Loosen the screws at the front of the wiring cover See fig c The wiring cover pulls...

Страница 18: ...de the control upwards See fig f The control lifts up and away from the base See fig g Mounting the Base See fig h 1 Find a convenient and accessible location typically in the mechanical room 2 Follow...

Страница 19: ...N rail This will be a popular option for those who prefer to mount the control inside a larger electrical panel The wiring can enter the bottom or the back of the enclosure Knock outs provided in the...

Страница 20: ...Components 1 Install the various sensors indicated below as per instructions listed and run the wiring back to the control base and label all wires for later installation Main Sensors Outdoor Sensor S...

Страница 21: ...HE CONTROL TO THE BASE 1 Push the SYSTEMpro 311 control into the base you mounted in Step 2 2 Slide the control down until it snaps firmly into place See fig a 19 INSTALLATION INSTALLATION Step 4 Atta...

Страница 22: ...sources such as solar gain exhaust ventilation or window openings The outdoor sensor should be installed at an elevation above the ground that will prevent accidental damage or tampering Installing th...

Страница 23: ...similar fitting Proper sensor location requires that the fluid is thoroughly mixed within the pipe before it reaches the sensor Step Two Wiring and Testing CAUTION Do not run sensor wires parallel to...

Страница 24: ...e if required See fig j Step Two Wiring and testing CAUTION Do not run sensor wires parallel to telephone or power cables If the sensor wires are located in an area with strong sources of electromagne...

Страница 25: ...OTE When connecting a Wirsbo Thermostat WT1 or WT2 directly to the Mix Demand Terminals 1 and 2 a 0 5 watt 1000 ohm resistor needs to be installed parallel as shown A packet with the resistor and sche...

Страница 26: ...utput terminal 8 is a powered output When relay in the SystemPro 311 closes 120 VAC is provided to Boil P3 terminal 8 from Power L terminal 7 To operate primary pump connect one side of primary pump c...

Страница 27: ...onnect other wire on variable speed injection pump to live L side of 120 VAC power supply Connect Pwr Mix terminal 17 to neutral N side of 120 VAC power source 7 Mixing Valve Actuator See fig k If a m...

Страница 28: ...eturn Sensor S5 wire to Com and Ret S5 terminals 20 and 22 See fig o Measures fluid return temperature from snow melting slab NOTE This sensor is only used when the Snow Melting Mixing Reset DIP switc...

Страница 29: ...rminal on zone control to Com terminal 24 on the SYSTEMpro 311 Connect the ZoOut terminal on zone control to Boil ZoIn terminal 25 on the SYSTEMpro 311 16 tN2 Device See fig t A Remote Display Module...

Страница 30: ...710 336 606 280 279 234 196 196 358 165 180 139 402 118 018 100 221 85 362 72 918 62 465 53 658 46 218 39 913 34 558 29 996 26 099 22 763 19 900 17 436 15 311 13 474 11 883 10 501 9 299 8 250 7 334 6...

Страница 31: ...red to measure the sensor resistance In addition to this the actual temperature must be measured with either a good quality digital thermometer or if a thermometer is not available a second sensor can...

Страница 32: ...d terminals 1 and 2 Boiler Demand if used Measure voltage between Boil Dem and Com Dem terminals 3 and 4 DHW Demand if used Measure voltage between DHW Dem and Com Dem terminals 4 and 5 Test the Outpu...

Страница 33: ...uld turn on or the DHW valve should open completely Boiler connected to the Boiler terminals 15 and 16 See fig e Make sure power to the boiler circuit is off Install a jumper between the terminals 15...

Страница 34: ...g to STEP 2 STEP 2 See fig h Install a jumper between the Pwr Mix and Cls P4 terminals 17 and 19 Power up circuit actuator should move in closing direction If motor closes correctly turn off power to...

Страница 35: ...e control 3 Push the terminal blocks into the headers they should snap firmly into place See fig a 4 Install supplied safety dividers between unpowered sensor inputs and powered or 120 VAC wiring cham...

Страница 36: ...ogramming the Misc Menu 37 Programming the Adjust Menu 38 55 A Boiler High Temp Zone Settings 38 41 B DHW Settings 42 43 C Mixing Device Settings 44 49 D Snow Melting Settings 50 53 E Boiler Operation...

Страница 37: ...what items are available to be viewed and controlled through the User Interface 2 REVIEW The Control Function Overview if you are not familiar with how the control functions operate in conjunction wit...

Страница 38: ...ch from unlocked position to the locked position As long as the DIP switch is in the locked position the access level of the control can no longer be viewed or adjusted in its Miscellaneous Misc Menu...

Страница 39: ...ntrol automatically returns to the default display RANGE OFF 90 sec ON DEFAULT ON ACCESS See fig c 1 Go to ACCESS item field in Miscellaneous MISC Menu 2 Select the level of access that you wish to be...

Страница 40: ...PROGRAMMING THE ADJUST MENU A BOILER HIGH TEMP ZONE SETTINGS 38 PROGRAMMING PROGRAMMING Step 1 Programming the Control...

Страница 41: ...temp zones RANGE 35 to 100 F 2 to 38 C DEFAULT 70 F 21 C NOTE There is only a 3 F 1 C adjustment in the LTD Access Level BOILER INDOOR Boil INDR See fig c 1 Go to Boil INDR item field in Adjust Menu...

Страница 42: ...ler manufacturer s literature RANGE 120 to 225 F OFF 49 to 107 C OFF DEFAULT 210 F 99 C BOILER MINIMUM Boil MIN See fig f 1 Go to Boil MIN item field in Adjust Menu 2 Set to the lowest water temperatu...

Страница 43: ...The control enters into WWSD when slab and outdoor temperatures exceed MELTING temperature by more than 1 5 F 1 C 1 Go to WWSD item field in the Adjust Menu 2 Set to an outdoor temperature at which th...

Страница 44: ...PROGRAMMING THE ADJUST MENU B DHW SETTINGS 42 PROGRAMMING PROGRAMMING Step 1 Programming the Control...

Страница 45: ...DHW storage tank temperature RANGE OFF 70 to 190 F OFF 21 to 88 C DEFAULT 140 F 60 C NOTE If DHW THRU is set to NONE this menu will not be available NOTE DHW TANK should only be selected if a universa...

Страница 46: ...PROGRAMMING THE ADJUST MENU DIP set to Mixing Reset C MIXING DEVICE SETTINGS 44 PROGRAMMING PROGRAMMING Step 1 Programming the Control...

Страница 47: ...10K INDOOR SENSOR MIX 10K See fig m 1 Go to MIX 10K item field in Adjust Menu 2 To add an indoor sensor for temperature control of a single zone mixing system set to INDR 3 To add indoor temperature...

Страница 48: ...ig o 1 Go to MIX 10K item field in Adjust Menu 2 Set MIX 10K to SLAB 3 Go to SLAB MAX item field in Adjust Menu 4 Set the maximum allowed core temperature of slab NOTE If slab is to be maintained at a...

Страница 49: ...2 to 38 C DEFAULT 70 F 21 C MIXING DESIGN MIX DSGN See fig r 1 Go to MIX DSGN item field in Adjust Menu 2 Set to the design supply water temperature calculated in heat loss calculation for the mixing...

Страница 50: ...heat loss calculation RANGE 60 to 50 F 51 to 10 C DEFAULT 10 F 12 C MIXING DEVICE SELECTION MIXING See fig u 1 Go to MIXING item field in Adjust Menu 2 Set the type of mixing device used floating acti...

Страница 51: ...ATHER SHUT DOWN WWSD See fig w The control enters into WWSD when slab and outdoor temperatures exceed MELTING temperature by more than 1 5 F 1 C 1 Go to WWSD item field in the Adjust Menu 2 Set to an...

Страница 52: ...PROGRAMMING THE ADJUST MENU D SNOW MELTING SETTINGS 50 PROGRAMMING PROGRAMMING Step 1 Programming the Control...

Страница 53: ...as reached melting temperature 1 Go to RUN TIME item field in Adjust Menu 2 Set the time in which slab is to be operated at Melting temperature during a melting demand RANGE 0 30 to 17 00 hr INF Infin...

Страница 54: ...sensor for temperature control for snow melting set to SLAB RANGE NONE SLAB DEFAULT NONE MIXING MAXIMUM MIX MAX See fig dd 1 Go to MIX MAX item field in Adjust Menu 2 Set to highest water temperature...

Страница 55: ...OT 3 Go to MOTR SPD item field in Adjust Menu 4 Set the time the actuating motor requires to operate from fully closed to fully open RANGE 30 to 230 sec DEFAULT 150 sec WARM WEATHER SHUT DOWN WWSD See...

Страница 56: ...PROGRAMMING THE ADJUST MENU E BOILER OPERATION 54 PROGRAMMING PROGRAMMING Step 1 Programming the Control...

Страница 57: ...with a differential to prevent short cycling With the SYSTEMpro 311 it has either a fixed or automatic differential setting that may be selected 1 Go to Boil DIFF item field in Adjust Menu 2 Select A...

Страница 58: ...advance through the test sequence To reach the desired step repeatedly press and release the Test button until the appropriate device and segment in the display turn on Step 1 If FLOT is selected in M...

Страница 59: ...to the maximum set temperatures and the mixing device at the set percentage as long as there is a demand for heat This mode may be used for running all circulators during system start up in order to...

Страница 60: ...Section E1 General 72 75 Section E2 With Slab Sensor 76 77 Section E3 Without Slab Sensor 77 78 Section E4 Snow Melt Enable 78 79 Section F Boiler Operation 80 81 Section F1 Boiler Supply Sensor 80 8...

Страница 61: ...rates as described in Section C EXERCISING The SYSTEMpro 311 has a built in pump and valve exercising function If a pump or valve output on the control has not been operated at least once during every...

Страница 62: ...il MIN See fig c The Boil MIN is the lowest water temperature that the control is allowed to use as a boiler target temperature Refer to the boiler manufacturer s literature During mild conditions if...

Страница 63: ...s The control will respond to a DHW demand and operates as described in Section C BOILER INDOOR Boil INDR See fig f Boil INDR is the room temperature used in original building heat loss calculations S...

Страница 64: ...Pmp P7 contact which starts the boiler system pump The control turns on the primary pump and boiler system pump segments in the LCD The control calculates a Boil TRG supply temperature then fires the...

Страница 65: ...s for a DHW sensor connected to the DHW S6 and the Com terminals 27 and 28 The DHW TANK setting is used to set the desired indirect DHW tank temperature When the temperature at the DHW sensor drops 3...

Страница 66: ...using a primary loop with DHW tank piped in primary secondary select DHW valve BOILER TARGET DURING DHW GENERATION Boil TRG See fig d The Boil TRG temperature during DHW operation depends on whether...

Страница 67: ...o operate without change DHW PRIORITY OVERRIDE To prevent the building from cooling off too much or from a potential freeze up during DHW priority the control limits the amount of time for DHW priorit...

Страница 68: ...ply temperature drops below current Boil TRG temperature DHW MIXING PURGE After DHW operation the boiler is extremely hot while heating zones may have cooled off considerably after being off for a per...

Страница 69: ...d MIX SUP temperature is near MIX MAX temperature the LCD s Maximum pointer turns on while either the MIX TRG temperature or the MIX SUP temperature is viewed WARM WEATHER SHUT DOWN WWSD See fig d Whe...

Страница 70: ...l to the original MIX TRG NOTE This step minimizes overheating the zone while control is operating at MIX MIN temperature MIXING ROOM MIX ROOM See fig g MIX ROOM is desired room temperature for mixing...

Страница 71: ...erature to part of the heating system by varying the speed of an injection pump or modulating a mixing valve This selection is made under the MIXING item in the Adjust Menu VARIABLE SPEED INJECTION VA...

Страница 72: ...LCD Control calculates a MIX TRG temperature based on outdoor air temperature and settings If required control operates Boiler contact as described in Section B2 page 62 to provide heat to mixing devi...

Страница 73: ...ontrol the actual slab temperature Slab sensor is placed in the slab and connected to Com and Mix 10K terminals 20 and 21 With slab sensor connected the control will limit the mixing supply temperatur...

Страница 74: ...eat is transferred to snow melting system and to protect slab from thermal stress damage The control limits the rate at which heat is applied to slab through T MAX setting T delta T is the temperature...

Страница 75: ...ed STATUS It displays current operating status of snow melting system STRT See fig c Displayed after snow melting system has been enabled and remains on until slab reaches melting temperature If the s...

Страница 76: ...g mode WWSD See fig i Displayed when control is in a Warm Weather Shut Down CWCO See fig j Displayed when control is in a Cold Weather Cut Out 74 CONTROL FUNCTION OVERVIEW CONTROL FUNCTION OVERVIEW CO...

Страница 77: ...ts to take place until the outdoor temperature rises above the CWCO setting When the control is already in melting mode the CWCO only occurs when the outdoor temperature is less than CWCO setting and...

Страница 78: ...cribed in section E4 must be used The MELTING setting in the Adjust Menu sets slab surface temperature that is maintained while control is in melting mode NOTE When control is in melting mode Melting...

Страница 79: ...freeze over WARM WEATHER SHUT DOWN WWSD See fig p When a slab sensor is not in use The Warm Weather Shut Down is determined only from the outdoor temperature If outdoor temperature rises above MELTIN...

Страница 80: ...d Snow Melt Enable Module Remote Display Module Using Start Stop buttons on the SYSTEMpro 311 EXTERNAL MIX DEMAND An external snow melting demand is generated when a voltage between 24 and 240 VAC is...

Страница 81: ...the word STRT is displayed in the LCD for at least 5 seconds The Remote Display Module then displays RUN TIME setting to allow user to adjust it To disable snow melting system when it is in melting mo...

Страница 82: ...ld conditions if the control calculates a Boil TRG temperature below Boil MIN setting Boil TRG temperature is adjusted to at least the Boil MIN setting In this mode if boiler is operating and boiler s...

Страница 83: ...rol automatically adjusts boiler differential setting under current load conditions to minimize short cycling BOILER OPERATION When the SYSTEMpro 311 notices that boiler operation is required Boiler c...

Страница 84: ...ttent For how long has the problem existed This information is critical in correctly diagnosing the problem Understand the sequence of operation of the system If a particular zone is not receiving eno...

Страница 85: ...ing as indicated by the LCD This information is an essential step if additional assistance is required to diagnose the problem Isolate the problem between the control and the system Now that the seque...

Страница 86: ...Variable Speed Injection Mixing 85 87 II SYSTEMpro 311 Menu Tree 88 89 III Application Drawings 90 97 IV Error Message Overview 98 101 V SYSTEMpro 311 Program Setup 102 103 NOTES 84 APPENDIX APPENDIX...

Страница 87: ...device is required To achieve the lower water temperature required for the radiant system the high temperature boiler water must be blended or injected into the return side of the radiant system to a...

Страница 88: ...on See fig b FV Flow Rate Injection Loop in GPM F1 Radiant Secondary Loop Flow Rate in GPM T1 Boiler Primary Loop Supply Temperature T2 Radiant Secondary Loop Supply Temperature TR Radiant Secondary L...

Страница 89: ...2 Note 1 Note 2 To LOW Temperature Heating System d Injection into a vertical loop System Pump Balancing Valve Variable Speed Injection Pump Primary Pump From HIGH Temperature Loop Note 1 Note 3 Note...

Страница 90: ...88 APPENDIX II APPENDIX II SYSTEMpro 311 Menu Tree...

Страница 91: ...89 APPENDIX II APPENDIX II SYSTEMpro 311 Menu Tree...

Страница 92: ...90 APPENDIX III APPENDIX III Application Drawings...

Страница 93: ...91 APPENDIX III APPENDIX III Application Drawings...

Страница 94: ...92 APPENDIX III APPENDIX III Application Drawings...

Страница 95: ...93 APPENDIX III APPENDIX III Application Drawings...

Страница 96: ...94 APPENDIX III APPENDIX III Application Drawings...

Страница 97: ...95 APPENDIX III APPENDIX III Application Drawings...

Страница 98: ...96 APPENDIX III APPENDIX III Application Drawings...

Страница 99: ...97 APPENDIX III APPENDIX III Application Drawings...

Страница 100: ...fig b NOTE Access level must be set to ADV in order to clear the error The control was unable to read a piece of information stored in the Miscellaneous Menu Because of this the control was required t...

Страница 101: ...operation Locate and repair the problem as described in Installation Step 7 page 29 To clear the error message from the control after the sensor has been repaired press either the Menu or Item button...

Страница 102: ...the Boil MIN is set lower than 100 F 38 C the control does not operate the Boiler contact Locate and repair the problem as described in Installation Step 7 page 29 To clear the error message from the...

Страница 103: ...f nothing is connected to the Boil ZoIn input Locate and repair the problem as described in Installation Step 7 page 29 To clear the error message from the control after the problem has been corrected...

Страница 104: ...___DHW DHW TANK set tank temp or OFF _____OFF _____ F DHW PRI select MIX if you want priority over heating _____NONE _____MIX MIXING DEVICE SETTINGS MIX ROOM room temp for Mixing zones _____ F MIX 10K...

Страница 105: ...elting mode time INF or OFF _____OFF _____hr min _____INF T MAX max differential between supply return or OFF _____OFF _____ F CWCO Cold Weather Cut Off or OFF _____OFF _____ F BOILER OPERATION Boil M...

Страница 106: ......

Страница 107: ...SYSTEMpro 311 Installation Manual Uponor Wirsbo 5925 148th STREET WEST APPLE VALLEY MN 55124 TEL 800 321 4739 FAX 952 891 1409 www wirsbo com Copyright 2002 Uponor Wirsbo Printed in the United States...

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