At Least Inches | Weil-McLain 550-141-850/0599 specification

•Installation • Start-Up • Parts • Maintenance

Figure 21 Carefully connect manometer to gas valve as shown, following instructions on opposite page.

At Least

6 Inches

Manifold

+-

Robertshaw Model 7200DERN-680

Gas control vent tap

Cap on adjustment tower

Gas control outlet pressure tap — Remove allen screw from

gas control outlet pressure tap and install hose barb as shown.

Add tee hose fitting as shown

White-Rodgers Model 36E66-302

Gas outlet

piping

Add hose from gas control vent tap to tee hose fitting

Gas control outlet pressure tap — Remove allen screw from gas control outlet pressure tap and install hose barb as shown.

Existing hose to gas control vent tap hose barb — Remove from gas control vent tap and connect to end of tee as shown

Gas control
vent tap	85026
Part number 550-141-850/0699	47

Image 47

Weil-McLain 550-141-850/0599, GOLD DV WATER BOILER manual At Least Inches

Contents

Gold GV How it works Gold GV Water boiler Series Please read before proceeding Hazard definitions Installer User Boiler water When servicing boilerBoiler operation Contents Contents Overview of this section Ia Prepare boiler location overview Ib Prepare boiler location codes & altitude Installations must follow these codes Small space Ic Prepare boiler location clearancesClearance options Large space Flooring Residential garage installationPrecautions Flooring and foundation GV special vent system Id Prepare boiler location vent systemRemoving from existing vent 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 Propane Plate installationIIc Prepare boiler orifice plate Natural gas 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 Fill and pressure test IIf Prepare boiler pressure testPerform hydrostatic pressure test Prepare boiler for test Fig 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 Expansion tank IIIc Water piping boiler connectionsSupply & return connections Air separator 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 Multi-zone radiant heating system piping Outdoor reset controlIIIh Water piping multi-zone radiant system 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 Propane Gas Connecting gas supply piping to boilerGas piping Feet Thermostats VI Field wiringElectrical installation must comply with Wiring connections Field wiring Factory wiring Verify water chemistry Freeze protection when usedVIIa Start-up overview VIIb Start-up preparation Fill the system with water VIIb Start-up preparationVerify gas/air orifice plate Check for gas leaks Start the boiler VIIc Start-up read SectionVIId Start-up to operate boiler Perform final checks before starting boiler VIIe Start-up if boiler doesn’t start VIId Start-up operate boiler Check Gas Control Set Point Connect and adjust manometerVIIf Start-up altitude over 5,500 feet only 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 Igniter Expansion tankGauges Review with owner Annual start-up owner reviewBoiler relief valve Condensate drain line Check valve assembly To remove the blower assembly Igniter XIa Troubleshooting overview Check the following XIb Troubleshooting proceduresBefore troubleshooting Checking the air pressure switch XIc Troubleshooting air pressure switch Gas Valve XId Troubleshooting servicing tipsBlower Housing Igniter 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