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Warning: If the information in this manual is not
followed exactly, a fire or explosion may result
causing property damage, personal injury or
loss of life.
Do not store or use gasoline or other flammable liquids
in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
●
Do not try to light any appliances.
●
Do not touch any electrical switches, do not use any
phone in your building.
●
Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
●
If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
WARNING
Should overheating occur or the gas supply fail to shut
off, do not disconnect the electrical supply to the
pump. Instead, shut off the gas supply at a location
external to the appliance.
Contents:
Page:
Technical Data ..........................................................................3
Boiler handling – location..........................................................3
Flushing of existing piping ........................................................4
Vent damper installation ...........................................................4
Closet installation......................................................................5
Combustion air supply ..............................................................6
Installation on combustible floor ...............................................8
Boiler water piping ....................................................................8
Honeywell adjustable high limit aquastat ..................................9
Circulating pump .......................................................................9
Initial system fill.......................................................................10
Boiler venting ..........................................................................11
Gas piping...............................................................................12
Gas pressure – orifice sizes ...................................................12
Main burner.............................................................................13
Blocked vent and flame roll-out switch ...................................14
Wiring......................................................................................14
Electronic thermostat ..............................................................15
System start-up.......................................................................15
Maintenance ...........................................................................15
Troubleshooting ......................................................................17
Lighting instructions ................................................................18
Wiring diagrams ................................................................19, 20
Parts list ................................................................21, 22, 23, 24
Maintenance record ................................................................25
Installation / Service Manual
for use by heating contractor
Vitogas 050, ECD Series
Gas-fired, atmospheric cast iron boiler
65 to 200 MBH / 19 to 59 kW
IMPORTANT: READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
5167 445 v1.1 03/2007