Laars M4-Ext - Installation Manual Instrukcja Użytkownika

Laars Modulating ControlsDocument 4211AModulatingModel M4 and M4-ExtOutput panel to Modulateup to 16 individualstages with lead-lag andmanual override

Page 10 LAARS Heating SystemsWIRING THE PROVE (TERMINALS 29, 30)• The Prove feature is provided to check system component operation and must be sele

Page 11LAARS Modulating Controls M4 & M4-EXTWIRING TO MODULATING MOTORSWIRING TO 4-20MA MODULATING MOTORS (A TERMINALS 13, 14), (B TERMINALS 16, 1

Page 12 LAARS Heating Systems----------- SETTINGS ------------SeasonWinterSet Point70 F<System Settings><Maintenance><Histories><

Page 13LAARS Modulating Controls M4 & M4-EXT----------- SETTINGS ------------Season WinterSet Point 70 F<System Settings><Maintenance>

Page 14 LAARS Heating SystemsSTARTUP SETTINGSPROGRAM CHANGE SETTINGSTo be able to change the M4 settings the Program/Run Switch must be set to Program

Page 15LAARS Modulating Controls M4 & M4-EXTSELECTING THE MODULATING MODENormal, Parallel Default: NormalButton: MENU/<System Startup>/...

Page 16 LAARS Heating SystemsRESET MODE• When All-On is selected, the M4 will turn all boilers On to a 100% when System reads Short or Open and Outd

Page 17LAARS Modulating Controls M4 & M4-EXT• With most baseboard heating applications, a 1.00 (OD):1.00 (SYS) setting is a good place to start.

Page 18 LAARS Heating SystemsMAXIMUM WATER TEMPAdjustable 90ºF - 240ºF Default: 240ºFButton: MENU/Set Point/Offset/.../Maximum Water Temperature i

Page 19LAARS Modulating Controls M4 & M4-EXTPURGE DELAYAdjustable 0.0min to 10.0min Default: 1.0minButton: MENU/<System Settings>/Purge Del

Page 2 LAARS Heating SystemsM4 LAYOUT . . . . . . . . . . . . . . . . . 3M4 OVERVIEW . . . . . . . . . . . . . . .

Page 20 LAARS Heating SystemsSETBACKAdjustable 0°F to 75°F Default: 0°FButton: MENU/<System Settings>/<More Settings>/Setback• The Setba

Page 21LAARS Modulating Controls M4 & M4-EXTDAY/NIGHT SCHEDULES(Available when "Day/Night Schedules" is selected from the Setback Startu

Page 22 LAARS Heating SystemsMAINTENANCEButton: MENU/<Maintenance>The Maintenance menu gives access to sensor and outputs trimming and Soft-Off.

Page 23LAARS Modulating Controls M4 & M4-EXTBACK NEXT------ CONFIGURATION 1 ------v1.00cReset FNormalDay/Night SchedulesAll OffBACK EXIT------

Page 24 LAARS Heating SystemsBOILER STAGE SETTINGSButton: STAGE/The Maintenance menu gives access to sensor and outputs trimming and Soft-Off. In add

Page 25LAARS Modulating Controls M4 & M4-EXTIGNITION %Adjustable 1% to 50% Default: 1%Button: STAGE/Ignition %• The Ignition Point is the perce

Page 26 LAARS Heating SystemsTROUBLESHOOTINGTEMPERATURE INPUTSDisplay shows Sensor OPEN Check the sensor is connected and the wires are continuous t

Page 27LAARS Modulating Controls M4 & M4-EXTTROUBLESHOOT - NO HEATSTARTDoes the control havepower?Is the control inSUMMER mode?Turn control powerO

Page 28 LAARS Heating SystemsHTC#059062-00 Rev.ASpecificationsVoltage Input: . . . . . . . . . . . . . . . . . . . . . . . .

Page 3LAARS Modulating Controls M4 & M4-EXTSYSTEMABCDFull Modulation Sequencing Control12RUNPROGRAMFOR ALL CIRCUITS120VAC, 6A RESISTIVEOUTPUT RATI

Page 4 LAARS Heating SystemsM4 OVERVIEWSEQUENCES UP TO 4 FULLY MODULATING STAGES.The M4 is the perfect control whenever multiple fully modulating stag

Page 5LAARS Modulating Controls M4 & M4-EXTUNDERSTANDING OPERATION CONCEPTThe M4 has multiple operating modes that satisfy most hydronic systems.

Page 6 LAARS Heating SystemsMAKE SURE YOU HAVE THE RIGHT CONTROLIf you need the M4 to do additional tasks that either are not listed or do not know ho

Page 7LAARS Modulating Controls M4 & M4-EXTSystem Run-On• This feature lets the M4 run the SYS relay for a longer period after the boilers have

Page 8 LAARS Heating SystemsINSTALL THE SENSORSHEATING SYSTEM SENSOR (HSS) INSTALLATIONLOCATING HSS• Put the Heating System sensor approximately 10&

Page 9LAARS Modulating Controls M4 & M4-EXTWIRINGWIRING THE POWER (TERMINALS 1, 2)• Bring the 120VAC 60Hz power wires through the bottom Knockou