Laars Mighty Max HH (Sizes 320M - 1000M) - Installation, User Manual

Installation, Operation and Maintenance Instructions Document 2060DH2090800DInstallation,Operation andMaintenanceInstructions forMighty MaxHydronic Bo

Page 10LAARS HEATING SYSTEMS3. Provide a boiler installed above radiation levelwith a low water cutoff device either as part ofthe boiler or at the ti

Mighty Max Hydronic BoilerPage 11Category IVertical Ventingwith DuctedCombustion AirHorizontal VentingAny Vent Which Does Not MeetCategory I Combustio

Page 12LAARS HEATING SYSTEMS3. Remove the vent collar/stack from the fluecollector. Do not damage the vent collar/stackduring removal.4. Remove the bl

Mighty Max Hydronic BoilerPage 13HeaterSizePipe Diameter Max Pipe LengthMax No.of ElbowsSide WallVent TerminalPart NumberSide WallCombustion AirTermin

Page 14LAARS HEATING SYSTEMS2L-4. Side Wall Vent TerminalThe side wall vent hood must be used when theheater is vented through a side wall. It provide

Mighty Max Hydronic BoilerPage 152M-1. Air From RoomStandard requirements for providing air forcombustion and ventilation are provided by ANSIZ223.1/N

Page 16LAARS HEATING SYSTEMS1. Remove the louvered plate from the left side ofthe boiler.2. Remove the adapter plate from the shippingcontainer.3. Ins

Mighty Max Hydronic BoilerPage 17Figure 12. Wiring Diagram.IGNITION SYSTEM 20 ON/OFFSIZES 320-1000, NATURAL OR PROPANECautionLabel all wires prior to

Page 18LAARS HEATING SYSTEMSpre-ignition purge, while the fan clears thecombustion chamber, the igniter is turnedon. The igniter takes about 25 second

Mighty Max Hydronic BoilerPage 19Use a single, inclined manometer or digitalmanometer with a 4.0 inch water column range. Installshutoff valves at the

Page 2LAARS HEATING SYSTEMSTABLE OF CONTENTSSECTION 1.General Information1A. Introduction ... 31B. Wa

Page 20LAARS HEATING SYSTEMSCautionThis appliance is equipped with an ignitiondevice which automatically lights the burner.Do not try to light the bur

Mighty Max Hydronic BoilerPage 21The difference in pressure between the venturiinlet tap and the gas plenum tap (see Figure 16). Thismeasurement is ta

Page 22LAARS HEATING SYSTEMSBy setting the gas offset pressure and gas orificedifferential pressure according to Table 11, the correctinput rate and g

Mighty Max Hydronic BoilerPage 23inner surface of the heat exchanger tubes andrestrict the water flow. Inspect the heat exchanger inaccordance with Se

Page 24LAARS HEATING SYSTEMSOther maintenance requirements include:1. Periodic cleaning of filters, when supplied.2. Lubrication of moving parts (when

Mighty Max Hydronic BoilerPage 25Figure 20. Troubleshooting Chart.

Page 26LAARS HEATING SYSTEMSFigure 21. Lower Front Panel Removal.5B. Venturi and Gas Pressure RegulatorSystem5B-1. Field CheckoutSee Section 3B “Ventu

Mighty Max Hydronic BoilerPage 27SECTION 6Parts List for Mighty Max HH Boiler6A. General InformationTo order or purchase parts for the Laars MightyMax

Page 28LAARS HEATING SYSTEMSFront ViewRight Side View36108952071213113621141538412

Mighty Max Hydronic BoilerPage 29Front ViewRear ViewRight Side ViewLeft Side View3132173023262728 2537253316183529193439

Mighty Max Hydronic BoilerPage 3Some accessory items are shipped in separatepackages. Inspect everything for damage immediatelyupon delivery, and advi

Page 30LAARS HEATING SYSTEMSItem Description Part Number16. Cover, Machined In/Out ... 2015020017. Plate, Mach. Adapter3

Mighty Max Hydronic BoilerPage 31

H2090800DWaterpik Technologies, Inc.6000 Condor Drive, Moorpark, CA 93021 • 805.529.2000 • FAX 805.529.593420 Industrial Way, Rochester, NH 03867 • 60

Page 4LAARS HEATING SYSTEMSSECTION 2.Installation Instructions2A. General InformationInstall the Mighty Max HH boiler in accordancewith the procedures

Mighty Max Hydronic BoilerPage 5not require the full freeze protection of a 50%/50%mixture, it is beneficial to use a maximum 30% glycolsolution. This

Page 6LAARS HEATING SYSTEMSoperate at high altitudes have appropriatestickers or tags attached.3. The figures in Table 3 should be used to size thegas

Mighty Max Hydronic BoilerPage 7Figure 4. T-Fitting Sediment Trap Installation.Gas SupplyInletTeeFitting3 In.(76mm) Min.CapNippleTo EquipmentInletSIZE

Page 8LAARS HEATING SYSTEMS2G. Water System Requirements2G-1. Flow RequirementsThe Model HH boilers must have continuousflow through the heat exchange

Mighty Max Hydronic BoilerPage 92G-3. System Pressure RequirementsThe Model HH boilers are designed to operateon closed, pressurized systems. Maintain