Lochinvar Harmony Uživatelský manuál

1Function Chart...pg. 2Harmony Overview...pg. 3P

10USING THE MENUSMENU TYPESSystem Startup Settings - determines the type of system. For example,the system is a hot water heating system with 0-10V mo

11SYSTEM STARTUPSTARTUP SEQUENCE• The series of initialization screens appears on the left. The Harmonywill automatically step th

12- MODULATING MODE>NORMAL PARALLEL- MODULATING MODE NORMAL>PARALLEL- MODULATING MODE NORMAL>PARALLELPRESS TO SELECTADJUSTPress toselectNorma

13SELECTING THE OPERATING MODEDefault - Normal• Most heating applications do not experience rapid changes insystem temperature. F

14OPERATING SETTINGSCHANGE SET POINT, GAIN, LEAD STAGETHE MAIN DISPLAY• The main display screen may have different values in the top twolines dependin

15GAIN/THROTTLEOPERATING MODE - NORMAL Default = 0• The Gain adjusts the PID logic in the Harmony to control how muchmodulation i

16LEAD STAGEUsed to manually change the lead stage• The Lead Stage is the first stage brought on when output isrequired.• The Lead Stage can be rotate

17SYSTEM SETTINGSTHE SYSTEM SETTINGS MENU• These are general settings which affect all Stages and overalloperation.• The Harmony

18Lst on• On power up, or any time the Harmony loses power, the Lead Stagewill be the lowest stage in Auto Mode (that is, A first, then B, C, orD).• T

19STANDBY TIME Default - 10 min• The Standby Time only applies to Stages in Standby Mode.• A Standby Stage can only be activated

2Harmony Function ChartGreen Groundscrew must beconnected toEarth Ground120VACPowerSystem Outputcontrols pumps,valves or other systemcomponents Each N

20ROTATE TIME Default 24hr• The Rotate Time only takes effect if the Auto Rotate type is Time(see pg. 17).• The default value is 24 hours and is appro

21--- LOGIN ---Enter password:M***--- LOGIN ---Enter password:M***--- LOGIN ---Enter password:MM**PRESS TO S

22STAGE SETTINGSINDIVIDUAL STAGE ADJUSTMENTSTHE STAGE MENU• In most installations, all Stage adjustments are the same, but each ofthe four output Stag

23IGNITION POINT Default - 1%When Can a Stage Begin Modulating?• The Ignition Point is the percent modulation which must be attai

24Modulating Mode - PARALLEL• The Modulation Point should be set to the value where the unit runsmost efficiently.• Contact the manufacturer to determ

25RESET SETTINGSRESET RATIO Default 1:1• The Reset Ratio controls how much heat will be added based onoutdoor temperature. The R

26• In a new installation, start with an Offset value of 0°.• Adjust the Offset value in mild weather. If the ambient indoortemperatures are warm in

27TROUBLESHOOTINGNo Display, or Garbled DisplayCheck the 120VAC power input to the Harmony. Turn power to theHarmony off and bac

28APPENDIXSYSTEM STARTUP MENU• On the initial start-up, the Harmony will automatically step through the System Startup. After that, it must be reached

29MOVING AROUND THE STAGES MENUS• Pressing the STAGE button allows you to automatically scroll though the Stage A, B, C, and D Se

3Harmony OverviewSequences up to 4 Fully Modulating StagesThe Harmony is the perfect control whenever multiple fully modulating s

30IndexSymbols4-20mA EMS Input. See External Set Point4-20mA MotorsWiring 9BBaseboard applications 25, 26CCopy Settings 24DDisplayMain 14None or G

31INDEXINDEXINDEXINDEXINDEXSSensorOutdoor 7Selecting Type 11System 4Temperature. See Temperature sensorSet Point 14Setback 7

32HARMONY SPECIFICATIONSInput Voltage...120VACPower Consumption...

4INSTALLATIONMOUNTING THE ENCLOSURE• Select a location near the equipment to be controlled.• The surface should be flat, and be sufficiently wide and

5CONNECTING AN EXTERNAL SET POINT(4-20mA EMS-CONTROL)• The Harmony can take a 4-20mA signal from an Energy Manage-ment System (EM

6• The System Prove feature is provided to check system componentoperation.• A typical use of this feature is to check for flow before firing anyboile

7WIRING A SETBACK• The Setback feature can be used to provide the Harmony with alower temperature Set Point when less load is req

8109876543SYS A B C21LINENEUTRALN.O. contacts to activate a pump,valve or other system componentWIRING THE SYSTEM OUTPUTSystem Output Operation in Set

9Wiring the Stage Outputs• Each Stage output (A through D) has one Normally Open (N.O.)relay contact.• The N.O. contacts are dry