User guide

Carlin part number MNEZ123 Rev. 07/13/11
– 18 –
Model EZ-1/2/3 oil burners — Instruction manual
Wire burner — 50200 primary control
1. Allwiringmustcomplywith:
• IntheU.S—theNationalElectricalCode,ANSIZ223.1/NFPA54.
• InCanada—theCanadianElectricalCodePart1,CSAstandardC22.1.
• Allapplicablelocalcodes/standards.
2. Wire the burner following Figure15 and any special instructionsor wiring
diagram provided with the appliance, burner or other components.
3. The burner requires a 120
vac/60 hz/single-phase power supply, with at least
a5-
ampfuse.Thecurrentdraw(equippedwithCarlinPSCmotor)willbeap-
proximately2.5
amps.
4. The50200thermostatterminalsprovideapowersource.Neverapplyexternal
power to these terminals under any circumstances. To avoid this problem when
usingzonevalves,disconnecteldwiresfrom50200thermostatterminals.Then
connectavoltmeteracrossterminals.Operateallzonesandverifythatthere
isneveravoltagereadingatthemeter.Avoltagereadingindicatesincorrect
wiring that must be corrected before attempting to operate the burner.
5. Alarmterminalsprovidea24
vac-rated dry contact, suitable for use with security/
realarmsystemssuchasCarlinSecureHeat™.
6. Make sure the burner and appliance are correctly wired and the line switch is
properly fused for the load.
To start burner
 Donotstarttheburnerifthecombustionchambercontains
oil or oil vapor.
1. TurnserviceswitchOFF.
2. Perform inspections and checkouts on pages 18 and 19.
3. Sliponeendofa3/16-inchI.D.clearplastichoseoverendofbleedvalve,the
other end into a container. Then open bleed valve.
4. Setthermostat(operatingcontrols)tocallforheat.
5. TurnserviceswitchON.
6. Bleedoillineuntilplasticlineisfreeofbubbles;thenanother15secondslonger.
(Shouldtheprimarycontroltimingcausealockoutduringpurging,restartthe
burnerfollowingtheprimarycontroldatasheetinstructions.)
7. Close bleed valve. The burner should cycle through the sequence given in the
primary control data sheet.
8. Performprimarycontrolamefailurelockoutandsafetytimingtestsperinstruc-
tions in primary control data sheet.
9. Shouldcontrol/burnerfailtooperatecorrectly,seepage19forsuggestionsin
troubleshooting.
4. Wire burner • start burner — 50200 primary control
Figure 15 EZ-123 burners wiring using Carlin 50200 primary control (see appliance manual or separate wiring information for
burner equipped with a primary control not covered in this manual)
Turn off power to appliance when servicing burner. Failure to comply could result in severe personal injury, death or substantial property damage.