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059063–00 REV. C

INSTALLATION AND

OPERATION MANUAL

FOR HYDRONIC SYSTEMS

SQ-ELITE-8T & SQ-ELITE-EXT

HYDRONIC SEQUENCING CONTROL

Содержание SQ-Elite-8T

Страница 1: ...059063 00 REV C INSTALLATION AND OPERATION MANUAL FOR HYDRONIC SYSTEMS SQ ELITE 8T SQ ELITE EXT HYDRONIC SEQUENCING CONTROL...

Страница 2: ...ntrol All boilers must have all safety and limit controls required by code It is the responsibility of the installer to verify that all the safety and limits are working properly before the SQ Elite i...

Страница 3: ...29 EXTERNAL INPUT MODE 29 BURNER TYPE 29 BOILER OUTPUT 30 TOTAL BOILERS 30 STAGING 30 SEQUENCE 30 CONTROL LOGIC 31 SENSOR FAULT 31 OPERATING SETTINGS 32 SEASON 32 RESET RATIO 33 CUSTOMIZED RESET RATI...

Страница 4: ...Output controls pumps valves or other system components DHW Pump and Comb Air relays are controlled when configured Connect to Extension panels to add additional stages or connect to 4 20mA EMS Interf...

Страница 5: ...n be used to fine tune the reset curve Offset Minimum and Maximum Targets and Night Setback Schedule or Setback using an External Signal Furthermore a customizable outdoor reset curve has been incorpo...

Страница 6: ...mounted on the return line Then sequence the boilers to raise the return temperature above an adjustable Minimum Return DHW PUMP CONTROL WITH MULTIPLE PRIORITY OPTIONS Having a DHW input either as a...

Страница 7: ...ture 1 degree On the other hand a poorly insulated building with insufficient radiation may need a Reset Ratio of 1 00 OD 2 00 SYS This means that for each degree the outdoor temperature dropped the w...

Страница 8: ...re starting to calculate the Reaction Time for that stage Otherwise if the next stage was the higher firing stage on the same boiler the Reaction Time will start from the moment the higher firing stag...

Страница 9: ...isted in this section HEATING OR COOLING WITH MULTIPLE OR SINGLE OUTPUT AT A TIME The SQ Elite 8T is equipped to control multiple multi stage boilers or chillers with or without pumps or valves for he...

Страница 10: ...cool returns AUTOMATIC ROTATION AMONG BOILERS Rotating the lead unit to be activated on a call for output promotes even wear on all units The SQ Elite has three modes of rotation Manual First On Firs...

Страница 11: ...and a hole to secure a lock on the wiring enclosure A plastic web that separates the wiring chamber into high and low volt sections has been provided MOUNTING THE ENCLOSURE Select a location near the...

Страница 12: ...18 2 Do not ground the shield at the sensor but at the panel using one of the terminals marked with an O Do not run sensor wires in conduit with line voltage wiring IMMERSION HEATING SYSTEM SENSOR HS...

Страница 13: ...ground the shield at the sensor but at the control using the terminal marked with an O Do not run sensor wires in conduit with line voltage wiring WARNING The SQ Elite is an operating control only A l...

Страница 14: ...0 22 28 30 32 34 36 25 26 37 3 PROV TEMP PROGRAM RUN OUTPUT RATING 6 AMP RESISTIVE 1 AMP PILOT DUTY PER OUTPUT AT 120VAC 23 24 COMB AIR DO NOT APPLY ANY VOLTAGE TO INPUT TERMINAL T Stat Dry Contact SY...

Страница 15: ...Use Copper Conductors Only CAUTION Risk of Electric Shock SENSORS MUST BE GOLD SERIES DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALS SHUTDOWN TSTAT SETBACK Auxiliary Input1 Auxiliary Input3 Lo Hi Unit1...

Страница 16: ...Hi Unit2 Stages Setback Dry Contact Line Neutral 120VAC Power Source Sensor Shiled PWR DHW RS485 PROGRAM RUN COMB Outdoor Sensor Prove Dry Contact Sensor Shiled DHW Sensor System Pump DHW Pump PWR L...

Страница 17: ...NOT APP Lo Hi Unit1 Stages Lo Hi Unit2 Stages Comb Air Damper L N L N L N L N Line Neutral 120VAC Power Source PWR L N 1 2 3 DHW PUMP 5 Stage A 7 Stage B 9 Stage C 11 13 Stage E 15 Stage F 17 Stage D...

Страница 18: ...18 4 Stage G 19 Stage H 21 2 20 22 25 26 23 24 COMB AIR Lo Hi Unit1 Stages Unit1 Pump Lo Hi Unit2 Stages Unit2 Pump SYSTEM Comb Air Damper L N L N Sensor Shiled System Sensor Lo Hi Unit1 Stages Unit1...

Страница 19: ...ut Type on page 16 after connecting the Extension panels to be able to configure their outputs Only use the cable provided Connection cable is provided as part of the SQ Elite Extension package CONNEC...

Страница 20: ...te Use the other port to connect to the second extension or the 4 20mA EMS Interface Additional compatible devices can utilize the second RS485 connection on the second SQ Elite EXT Extension An examp...

Страница 21: ...485 connection to communicate to each other The Interface BACnet Module must be wired to the BACnet MSTP network using the RS485 terminals A GND and B If both an extension panel and the BACnet Interfa...

Страница 22: ...he unit Mode is set to either Auto or Standby ON All Unit Stages are set to ON OFF All Unit Stages are set to OFF or unit does not exist C E Unit on Extension panel is not communicating back to the SQ...

Страница 23: ...The Lead boiler is in Last Stage Hold This example shows that the lead stage will turn off when system temperature reaches 150 F Waiting for Comb Prove The System or Combustion Air Damper relay is ON...

Страница 24: ...3 10 INSTALLER MENU SEQUENCE ACCESSING THE INSTALLER MENU To be able to change the SQ Elite settings the Program Run Switch must be set to Program To access Installer Menu hold down the Menu button fo...

Страница 25: ...OUTPUT No Yes BACK SAVE BURNER TYPE On Off 2 Stage 3 Stage 4 Stage BACK SAVE BOILER OUTPUT None Pump Valve BACK SAVE TOTAL BOILERS 8 BACK SAVE STAGING Multiple Outputs Single Output BACK SAVE SEQUENCE...

Страница 26: ...SAVE SET SYS TEMP 1 100 F BACK SAVE AT OD TEMP 1 70 F BACK SAVE SET SYS TEMP 2 170 F BACK SAVE AT OD TEMP 2 0 F BACK SAVE TARGET OFFSET 0 F BACK SAVE OUTDOOR CUTOFF 70 F BACK SAVE MIN TARGET 70 F BAC...

Страница 27: ...ACK SAVE MINIMUM RUNTIME 2min BACK SAVE STANDBY DELAY 10min BACK SAVE LAST STAGE HOLD 0 F BACK SAVE SYS 168 F OD 45 F TGT 172 F ABC EFG LO BOILER MENU BOILER AB Mode Auto Runtime 58Hrs Prev Boiler Nex...

Страница 28: ...ustments to match the new settings 1 2 RUN PROGRAM DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALS 3 4 5 6 7 8 9 10 11 12 13 15 14 17 16 18 22 20 19 21 24 23 29 25 27 26 28 32 30 31 L N T T O O mA GND VLT...

Страница 29: ...door temperature is at or above the Outdoor Cutoff setting No Return Temperature monitoring or DHW options will be available in cooling applications DHW PIPING AVAILABLE WITH HEATING ONLY Parallel Pri...

Страница 30: ...System Startup External Input The Shutdown function allows the SQ Elite 8T to receive a remote Shutdown signal to terminals 35 and 36 to turn off all relays including all boilers stages When Shutdown...

Страница 31: ...eed to select the Multiple Output option That means both Low and High Output stages must be energized to achieve the unit s maximum output Some units require that when the higher output stages are req...

Страница 32: ...Selected the following are the settings that directly affects this modes operation Throttle pg 39 SELECT Settings System Settings Stage Settings Throttle SENSOR FAULT Stages On Stages Off Default Stag...

Страница 33: ...8 22 20 19 21 24 23 L N mA GND VLT SYS A B C D PWR CUR VLT A mA GND VLT mA GND VLT mA GND VLT mA CUR VLT B CUR VLT C CUR VLT D CAUTION RISK OF ELECTRIC SHOCK More than one disconnect switch may be req...

Страница 34: ...perature to identify it on the diagram To Set the first point specify Sys Temp 1 and OD Temp 1 Then specify Sys Temp 2 and OD Temp 2 to set the second point on the curve The two points can be anywhere...

Страница 35: ...ature the SQ Elite 8T will control and sequence the boiler stages to hold the calculated temperature When the outdoor temperature rises to the Outdoor Cutoff plus a 2 F differential the SQ Elite 8T wi...

Страница 36: ...get whichever is higher The Minimum Target must be at least 20 F lower than the Maximum Target See next setting MAXIMUM TARGET Adjustable from 90 F 32 C to 240 F 116 C Default 240 F 116 C Hold Button...

Страница 37: ...ated under the Enclosure Wiring Cover for security The Enclosure Wiring Cover can be securely closed using a padlock Outdoor Temperature in F 70 60 50 40 20 30 0 10 10 20 120 100 110 Wate Custom Reset...

Страница 38: ...M 3 DHW PUMP 5 Stage A 7 Stage B 9 Stage C 11 13 Stage E 15 Stage F 17 Stage D 6 8 10 12 14 16 18 4 Stage G 19 Stage H 21 20 22 25 PROGRAM RUN 23 24 COMB AIR 4 4 20mA IN Signal 1 2 4 20mA 4 20mA EMS S...

Страница 39: ...Adjustable from 0 F 0 C to 30 F 17 C Default 5 F 3 C Hold Button MENU System Settings in PID Logic only Stage Settings Lst Stg Hld The Last Stage Hold prevents short cycling of the Lead Stage during...

Страница 40: ...re reaches Stages will be turned off as the temperature rises toward the Set Point using one full throttling range as a differential between stages The last stage to be turned off will be allowed to e...

Страница 41: ...hours the rotation timer will start from the moment the setting is changed If First On First Off FOFO is selected the concept will follow this example if A is the lead the starting sequence of the uni...

Страница 42: ...ded in Heating or subtracted in Cooling from the Target The new Set Point will appear on the main display indicating this condition Boost to 190oF Using the previous example if the Target was 180 F an...

Страница 43: ...based on the provided schedule In Heating if the Day calculated water temperature was 150 F and the Setback was 20 F the Night Schedule will run at 150 F 20 F 130 F If the Boost feature is being used...

Страница 44: ...ergize the System relay and energize the DHW Pump relay This will remain for the period of the DHW Priority Timer setting or until the DHW call terminates whichever is sooner If the DHW call was still...

Страница 45: ...ifferential through the SQ Elite 8T easy to follow menu See page 34 In addition to being able to view and log DHW temperature history DHW DIFFERENTIAL Adjustable 5 F 3 C to 80 F 44 C Default 10 F 6 C...

Страница 46: ...s has de energized For pumps and valves it is used to dissipate the excess energy from the heating or cooling system into the building For a combustion air damper it brings in enough fresh air for the...

Страница 47: ...s Configuration BACK SELECT SENSOR TRIM System Trim 0 F Outdoor Trim 0 F Return Trim 0 F DHW Trim 0 F BACK SELECT Sys 120 F 10 00AM BACK NEXT SQ ELITE 8T V1 00 Outdoor reset Heating BreakOnRise Day Ni...

Страница 48: ...STIVE OUTPUT RATINGS 1A PILOT DUTY 15A TOTAL 115VAC 60Hz 12VA MAX INPUT RATINGS USE COPPER CONDUCTORS ONLY 3 4 5 6 7 8 9 10 11 12 13 15 14 17 16 18 22 20 19 21 24 23 L N mA GND VLT SYS A B C D PWR CUR...

Страница 49: ...F Target Offset 0 F Outdoor Cutoff 70 F Setback 20 F BACK SELECT SEASON Winter Summer BACK SAVE SET POINT 170 F BACK SAVE SETBACK 20 F BACK SAVE OUTDOOR CUTOFF 70 F BACK SAVE Connecting and 4 20 SQ E...

Страница 50: ...erature falls Even at 30 F the system water will only be 125 F and at 22 F outside the system water will be 112 F Such a low Reset Ratio might be used with radiant floor heating applications With most...

Страница 51: ...door temperature and the burner stages will be active to hold the set point In the OFF position the System Relay will always be off and all stages will be off as well SET SYS TEMP 1 120 F BACK SAVE SE...

Страница 52: ...FF position the system pump will always be off and all stages will be off as well DAY NIGHT SCHEDULES Button MENU Setback Day Schedules Night Schedule The SQ Elite has two levels of heat or cool The D...

Страница 53: ...VA MAX Use Copper Conductors Only CAUTION Risk of Electric Shock PWR L N 1 2 SENSORS MUST BE GOLD SERIES SYSTEM 3 DHW PUMP 5 Stage A 7 Stage B 9 Stage C 11 13 Stage E 15 Stage F 17 Stage D 6 8 10 12 1...

Страница 54: ...doesn t the SQ Elite 8T may be damaged DISPLAY SHOWS AN INCORRECT TEMPERATURE DISPLAY Remove the wires from the sensor terminals The display should change to read OPEN If it doesn t the SQ Elite 8T m...

Страница 55: ...ecific hours check the Day Night Schedule and the Setback Boost and Boost Period values Either reduce the Setback or Boost settings or change the Day and Night Schedules Boiler Mode Settings The SQ El...

Страница 56: ...BACK SAVE ARE YOU SURE No Yes BACK SAVE BACNET MODE Disable Enable BACK SAVE BACNET BAUDRATE 9600 19200 38400 BACK SAVE MS TP ADDRESS 64 BACK SAVE BACNET ID 477000 BACK SAVE SETTINGS Season Winter Out...

Страница 57: ...EX K SUPPORTED BIBBS BIBB NAME DS RP B Data Sharing ReadProperty B DS WP B Data Sharing WriteProperty B DM DDB B Device Management Dynamic Device Binding B DM DOB B Device Management Dynamic Object Bi...

Страница 58: ...00 OD 2 00 Sys 4 1 00 OD 1 50 Sys 5 1 00 OD 1 25 Sys 6 1 00 OD 1 00 Sys 7 1 25 OD 1 00 Sys 8 1 50 OD 1 00 Sys 9 2 00 OD 1 00 Sys 10 3 00 OD 1 00 Sys 11 4 00 OD 1 00 Sys Set Point 700 Analog R W SETPT...

Страница 59: ...ght Integer Values Only 1 2 3 Day Schedule 2600 Analog Read Write DSCHED Minutes 1 1440 Time since midnight Integer Values Only 1 2 3 Night Schedule 2700 Analog Read Write NSCHED Minutes 1 1440 Time s...

Страница 60: ...AX DEFINITION Boiler F Modulating Output 3900 Analog Read Only MODF Percent 0 100 Modulation 0 100 Boiler G Modulating Output 4000 Analog Read Only MODG Percent 0 100 Boiler H Modulating output 4100 A...

Страница 61: ...oor Reset Only 1 4 to 8 1 Outdoor System Water and Custom Reset Ratio Offset Adjustment Outdoor Reset Only Minus 40 F 22 C to plus 40 F 22 C Minimum Target Outdoor Reset Only 70 F 21 C to 170 F 77 C M...

Страница 62: ...059063 00 REV C HEAT TIMER CORP 61 15 NOTES...

Страница 63: ...62 HEAT TIMER CORP 059063 00 REV C 15 NOTES...

Страница 64: ...rs or electrical power system that is required for proper operation of any controls or other equipment installed by Heat Timer Corporation or any contractor Third Party products and services are not c...

Страница 65: ...20 NEW DUTCH LANE FAIRFIELD NJ 07004 PHONE 973 575 4004 FAX 973 575 4052 HEAT TIMER COM...

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