Laars Mighty Therm LO-NOx PH (Sizes 250/400) - Install a Bedienungsanleitung

Installation, Operation and Maintenance Instructions Document 1162AH0251300AInstallation, Operationand MaintenanceInstructions forMighty Therm™LO-NOxH

LAARS Heating SystemsPage 10WARNINGAvoid ending boiler vents near air conditioning or airsupply fans. The fans can pick up exhaust flueproducts from t

Mighty Therm LO-NOx Hydronic BoilerPage 11alarm be installed in all enclosed spaces containingcombustion appliances. If assistance is required indeter

LAARS Heating SystemsPage 12across the boiler when the is mixture is used, increasethe water flow by 15% above the originalrecommendation. Increase th

Mighty Therm LO-NOx Hydronic BoilerPage 13Temperature Rise in °F °C20°F 11°C 25°F 14°C 30°F 17°C 35°F 19°CSize GPM H/L* L/s GPM H/L* L/s GPM H/L* L/s

LAARS Heating SystemsPage 14FlowSwitchHigh-LimitDry WellPressureRelief ValveFigure 25. Pressure Relief Valve.2.6.5 Chilled Water SystemsIf the boiler

Mighty Therm LO-NOx Hydronic BoilerPage 15 For systems with lower than 110°F (43°C)temperature, boiler must be protected from lowtemperature retur

LAARS Heating SystemsPage 16CautionSince some leak test solutions (including soap andwater) may cause corrosion or stress cracking,rinse the piping wi

Mighty Therm LO-NOx Hydronic BoilerPage 173. Electrically interlock the pump and boiler so theboiler cannot come on unless the pump isrunning.4. Conne

LAARS Heating SystemsPage 18WARNING: If you do not follow these instructions exactly, a fire or explosionmay result, causing property damage, personal

Mighty Therm LO-NOx Hydronic BoilerPage 19AVERTISSEMENT: Quiconque ne respecte pas à la lettre les instructions dansla présente notice risque de décle

LAARS Heating SystemsPage 2TABLE OF CONTENTSSECTION 1.General Information1.1 Introduction... 31.2 War

LAARS Heating SystemsPage 20Figure 30. Mighty Therm LO-NOx, PH250.OUT OFPRODUCTION

Mighty Therm LO-NOx Hydronic BoilerPage 21Figure 31. Mighty Therm LO-NOx, HH250.OUT OFPRODUCTION

LAARS Heating SystemsPage 22Figure 32. Mighty Therm LO-NOx, PH 400.OUT OFPRODUCTION

Mighty Therm LO-NOx Hydronic BoilerPage 23Figure 33. Mighty Therm LO-NOx, HH 400.OUT OFPRODUCTION

LAARS Heating SystemsPage 24PlugSECTION 4.Maintenance4.1 General Instructions1. Oil the water circulating pump in accordancewith the manufacturer&apos

Mighty Therm LO-NOx Hydronic BoilerPage 255.1.1 Checking the Main LineGas Pressure1. Attach a manometer (or a dry gas pressure gauge)to boiler jacket

LAARS Heating SystemsPage 265.1.2 Checking the ManifoldRegulated Gas Pressure1. Attach a manometer (or a dry gas pressure gauge)to boiler jacket (see

Mighty Therm LO-NOx Hydronic BoilerPage 275.2.4 Testing the Manual ResetHi-Limit SwitchTo test the manual reset hi-limit switch (seeFigure 39):1. Touc

LAARS Heating SystemsPage 284. If there is no voltage at one terminal, it indicatesan open switch. Replace the flow switch.5.2.6 Testing the Fusible L

Mighty Therm LO-NOx Hydronic BoilerPage 295.2.10 Boiler Will Not Shut Off1. If the boiler stays on with the brown wire on thegas valve disconnected, r

Mighty Therm LO-NOx Hydronic BoilerPage 3SECTION 1.General Information1.1 IntroductionThis manual provides installation, operating, andmaintenance ins

LAARS Heating SystemsPage 30343330323126272823242529CSee next pagefor details646618BA6265635451A312B2021611714Burner Tray(See next pagefor details)450

Mighty Therm LO-NOx Hydronic BoilerPage 31395857404044363841454445351216137109595955374115861156Key Model OrderNo. Description No. Part No.58 Baffle,

H0251300AWaterpik Technologies6000 Condor Drive, Moorpark, CA 93021 • 805.529.2000 • FAX 805.529.593420 Industrial Way, Rochester, NH 03867 • 603.335.

LAARS Heating SystemsPage 4Figure 1. General Configuration.All dimensions are nominal.Dimensions shown in inches(centimeters)NOTE:* For outdoor models

Mighty Therm LO-NOx Hydronic BoilerPage 51. Remove the top plate, stamped "HOT", byslipping a fine-blade screwdriver into the slot andprying

LAARS Heating SystemsPage 6Figure 2. Figure 3.Figure 4. Figure 5.Figure 6. Figure 7. Figure 8. Figure 9.Figure 10. Figure 11.Figure 13. Figure 14.Figu

Mighty Therm LO-NOx Hydronic BoilerPage 72.3 Site Location2.3.1 Installation InformationWARNINGImproper installation or maintenance can causenausea or

LAARS Heating SystemsPage 8Figure 17. Alcove Installation.Closet Installation(unacceptable)A closet is any 4 sided enclosurewhich is less than 16* tim

Mighty Therm LO-NOx Hydronic BoilerPage 9Table 2 ). Laars does not recommend indoorinstallations that do not provide combustion air fromoutside the bu