User guide

Carlin part number MNEZ123 Rev. 07/13/11
– 13 –
Model EZ-1/2/3 oil burners — Instruction manual
Figure 12 Two-line fuel system
Table 4 Two-line fuel system maximum lengths for 3/8” and
1/2” OD copper tubing distribution. Use only for
burners equipped with Suntec fuel units. See fuel
unit data sheet for any other fuel unit.
Perform checkout procedures
Verify before starting burner:
 Shouldoverheatingoranemergencyoccur,immediately:
 •Shutoffoilsupplylinevalve.
 •Undersomecircumstancespowershouldremainonfor
waterpumpsorblowers.Determineproperresponsebefore
attempting start-up.
 • If burner fails ignition onseveralattempts,useburner
blower to purge appliance chamber before restart.
Checklist
❏ Burner/applianceinstalledperapplianceinstructionmanual?
❏ BurnernozzleandheadpositioningbarveriedagainstTable1,page4,
orappliancemanufacturer’sinstructions?
❏ Burner/applianceinstalledperallapplicablecodes?
❏ Installation site has adequate combustion/ventilation air openings and
ventsystem?
❏ Fuelsupplylineingoodconditionandsized/designedcorrectly?
❏ Oiltankhasoilandoillinevalvesareopen.
❏ Wiringinstalledperburner/applianceinstructions?
❏ Burner,applianceandallcomponentsinspectedandingoodcondition?
3. Prepare burner (continued)
Two-line fuel system requirements
SeeFigure12andTable4.UseTable4onlyforburnersequippedwith
Suntecfuelunits.For burners using otherfuelunits,read the fuelunit
manufacturer’s data sheet to determine maximum lengths and lifts.
Thestandardburnerfuelunitisasingle-stage,3450-RPMoilpump.Use
this fuel unit only on two-line oil systems that do not exceed the total
tubinglengthsallowedinTable4(forSuntecfuleunitsonly).Forlonger
systems(orwhereliftexceeds10feet),replacetheone-stagefuelunit
with a two-stage unit.
Alwayssizefuellinesusinganoilowratebasedonthefuelunitgearsetca-
pacity,nottheburnerringrate.Seefuelunitdatasheetforinformation.
Install the fuel unit bypass plug when connecting to a two-line
system. The plug is shipped in a bag attached to the fuel unit,
along with a fuel unit data sheet.