Altitudes above 5,500 feet only | Weil-McLain 550-141-850/0599

• Installation • Start-Up • Parts • Maintenance

—altitudes above 5,500 feet ONLY

Figure 5c Air pressure switch mounting and sensor hoses

Jacket left side panel

White

hose

Red

hose

Interior panel

(2)10-32 x 3/8" Phillips/hex screws

Boiler top

85052

Part number 550-141-850/0699

21

Image 21

Weil-McLain 550-141-850/0599, GOLD DV WATER BOILER manual Altitudes above 5,500 feet only, White Hose Red

Contents

Gold GV How it works Gold GV Water boiler Series Please read before proceeding Hazard definitions Installer User When servicing boiler Boiler operationBoiler water Contents Contents Overview of this section Ia Prepare boiler location overview Ib Prepare boiler location codes & altitude Installations must follow these codes Clearance options Ic Prepare boiler location clearancesLarge space Small space Precautions Residential garage installationFlooring and foundation Flooring Id Prepare boiler location vent system Removing from existing ventGV special vent system Air contamination Ie Prepare boiler location contamination If Prepare boiler location air openings GV in small space less than alone Special considerations IIb Prepare boiler vent starter tee & drain IIa Prepare boiler overview Screw hole Base rail Insert Cpvc elbow IIc Prepare boiler orifice plate Plate installationNatural gas Propane Bottom side of boiler front section IId Prepare boiler high altitude kit When required White Hose Red Altitudes above 5,500 feet only IIe Prepare boiler place in position Rotate Perform hydrostatic pressure test IIf Prepare boiler pressure testPrepare boiler for test Fig Fill and pressure test Piping connections for hydrostatic test For heating system with See pages 27 30 IIIa Water piping overview IIIb Water piping relief valve Install relief valve Supply & return connections IIIc Water piping boiler connectionsAir separator Expansion tank Piping closed Zoning with circulators IIId Water piping all systems Baseboard system piping IIIe Water piping baseboard system Radiator system piping IIIf Water piping radiator system IIIg Water piping single-zone radiant or heat pump system Outdoor reset control IIIh Water piping multi-zone radiant systemMulti-zone radiant heating system piping Manual bypass valves for fixed temp operation only IIIi Water piping snow melt system Water chiller systems IIIj Water piping water chiller systems IV Venting and combustion air Connecting gas supply piping to boiler Gas pipingPropane Gas Feet Electrical installation must comply with VI Field wiringWiring connections Thermostats Field wiring Factory wiring VIIa Start-up overview Freeze protection when usedVIIb Start-up preparation Verify water chemistry Verify gas/air orifice plate VIIb Start-up preparationCheck for gas leaks Fill the system with water VIId Start-up to operate boiler VIIc Start-up read SectionPerform final checks before starting boiler Start the boiler VIIe Start-up if boiler doesn’t start VIId Start-up operate boiler Connect and adjust manometer VIIf Start-up altitude over 5,500 feet onlyCheck Gas Control Set Point At Least Inches Check-out procedure checklist VIIIa Check-out procedure overview VIIIb Check-out procedure checklist IXa Operation overview Shows the ladder wiring diagram for the GV series 3 boiler Steps IXb Operation sequence Ladder diagram legend IXb Operation wiring diagrams GCM IXc Operation lighting instructions For Your Safety Read Before Operating White-Rodgers gas valve model 36E Xa Service and maintenance overview Service technician Xb Service and maintenance schedule Annual start-up only by qualified service technician Xc Service & maintenance annual start-up Start-up Annual start-up check/test Xc Service & maint. annual start-upcont Expansion tank GaugesIgniter Annual start-up owner review Boiler relief valveReview with owner Condensate drain line Check valve assembly To remove the blower assembly Igniter XIa Troubleshooting overview XIb Troubleshooting procedures Before troubleshootingCheck the following Checking the air pressure switch XIc Troubleshooting air pressure switch Blower Housing XId Troubleshooting servicing tipsIgniter Gas Valve Control Module XIe Troubleshooting control module Power Symptom Common Causes Possible Corrections XIf Troubleshooting common problems Symptom Common Causes Possible Corrections Chart 1 Troubleshooting Power light status XIg Troubleshooting GCM lights Chart 2 Tstat Circ & Power lights flashing Chart 3 Limit & Power lights flashing Chart 4 Pres Switch & Power lights flashing Chart 5 Flame & Power lights flashing Chart 6 Tstat Circ light flashing and Power light on steady Chart 7 Limit light flashing and Power light on steady Is thermostat circuit closed continuity across wires? XIIa Replacement parts overview Water trim bag assembly #1 XIIb Replacement parts accessory bag Description Model Weil-McLain Number Part number XIIc Replacement parts section assembly 85041 422-200-228 XIId Replacement parts jacket assembly 85042 382-200-340 XIIe Replacement parts Blower assembly Vent starter tee not included Description Weil-McLain Number Part number XIIf Replacement parts trim assembly 85048 XIIg Replacement parts interior panel Interior panel Number Xiii Dimensions and ratings DOE Gold GV Water boiler Series