6 720 606 804 US (06.01) ALWARNING: Improper installation,adjustment, alteration, service or maintenance can causeinjury or property damage. Refer to
10 6 720 606 804NominalIron Pipe Black Iron PipeSize, Length of Pipe, FeetInches 10 20 30 40 50 60 70 80 90 100 125 1501/2 275 189 152 129 114 103 96
116 720 606 804OPERATING INSTRUCTIONSBefore proceeding with the operation of the heater makesure that the system is filled with water.Open the cold wa
12 6 720 606 804The position you select on the temperature adjustment knobwill depend on the temperature of the incoming water (50°Fis average in the
136 720 606 804Fig. 10 - Characteristic Pilot Flame(Pilot assembly shown without pilot hood)MAINTENANCE AND SERVICEREVIEW MAINTENANCE TABLE ON THE BAC
14 6 720 606 804Problems are stated in upper case, bold face. Most commoncauses for the problems follow in order of likelihood. Thesuggested solutions
156 720 606 804Fig. 13 - Electrical wiring diagram5. Flue gas safety device trippedVentilate the room and operate the appliance 10 minuteslater. Provi
16 6 720 606 804HOT WATER TEMPERATURE FLUCTUATES / UNITDEACTIVATED1. Unbalanced pressure in waterlinesThe added restriction caused by the 125 HX in th
176 720 606 804Fig. 14 - Diagram of 125 HX1. Heat exchanger2. Pilot assembly3. Burner manifold gaspressure test nipple4. Main gas burner5. Pilot gas t
18 6 720 606 804Fig. 15 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST
196 720 606 804Fig. 15INTERIOR COMPONENTS DIAGRAMAND PARTS LIST 125 HX1 Cover 8 705 421 7522 Temperature adjustment knob 8 702 000 1113 Temperature ad
2 6 720 606 804WARNING: Improper installation,adjustment, alteration, service or maintenance can causeinjury or property damage. Refer to this manual.
20 6 720 606 804Fig. 16 - Flow chart of 125 HX
216 720 606 804NOTE: the water heater must be free of damaging scaledeposits and not subject to gas pressures greater than thoseshown on the rating pl
22 6 720 606 804
236 720 606 804
VULCANO Termodomésticos S.A.Estrada de Cacia3801 - 856 Aveiro - PORTUGALRecycled paper31egapeesELBATECNANETNIAMRAEYYREVESRAEY2YREVESRAEY5-3YREVEEVLAVR
36 720 606 804Principle of Operation:When a hot water faucet is opened, the water flow throughthe heater causes the gas valve to open. At the same tim
4 6 720 606 804MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NONCOMBUSTIBLE MATERIALS FOR ALCOVE OR CLOSET INSTALLATIONSFRONT VIEW SIDE VIEWMOD
56 720 606 804GENERAL RULES TO FOLLOWFOR SAFE OPERATION1. You should follow these instructions when you install yourheater. In the United States: The
6 6 720 606 804WARNING: Flammable materials, gasoline,pressurized containers, or any other items or articlesthat are potentially fire hazards must NOT
76 720 606 804VENTINGVent pipe connection.WARNING: Do not reduce the vent pipe size. See Fig. 4for high altitude installationsThe heater must be vente
8 6 720 606 804To check the draft:Close all doors and windows to the outside.Turn on all appliances that force air out of the building.These include a
96 720 606 804GAS CONNECTIONS NOTE: The 125 HX is supplied with a gas pressureregulator that must be installed on the heater beforeattaching
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