Masport Monaco Operations Instructions download pdf (Page 9)

THERMOSTATS

ACCModels.Twoaccessoryoptionsareavailable:

•Thehand-heldIRRCModel300non-programmableremotethermostat.

•Thewall-mountedprogrammablethermostat.

Instructionsforinstallingbothoptionsaresuppliedwiththem.

ECSModels.Anoptionalbatterypoweredwall-mountedprogrammablethermostatisavailable.

GASPRESSUREADJUSTMENT.Allpressureadjustmentsmustbemadewhiletheheateris

operatingonthe‘HIGH’setting.

ACCNGandACCLP.Thesehaveapressureregulatorinsidethecontrolvalve.Therearetwotestpoints

sidebysideontopofthecontrolvalve–theoutletpressuretestpointistheoneclosertotheflamesize

controlknob.Ifadjustmentisnecessary,uncouplethecontrolrodfromthetopoftheflamesizecontrol

knob,extractthescrewfromdownthecentreofthisknobandpulltheknoboffvertically.Thepressureis

thensetbyrotatingtheknurledplasticwheelexposedbyremovingtheknob.Oncethepressureiscorrect

(0.95kPaforNGor2.5kPaforLP),caremustbetakennottoturntheplasticwheelastheknobisre-

fittedinitsmaximumanti-clockwiseposition.Thispositionissetwhentheskirtoftheknobcontactingthe

adjacent metal up-stand. Rotate the knob clockwise and then fully anti-clockwise while observing the

pressuretoverifythatitiscorrectbeforereplacingtheretainingscrewandre-couplingthecontrolrod.

ECSNGandECSLP.Thesealsohaveapressureregulatorinthecontrolvalve.Theoutletpressuretest

pointisonthetopofthecontrolvalveandistheoneremotefromthegasinletconnection.Therearetwo

pressuresettingstoadjust,highandlow.Accesstotheadjustersisgainedbyfirstremovingtheheatshield

above the valve and then removing the protective transparent cap at the very top of the control valve

modulating coil. Thiswill expose the central screw (low pressure adjuster) and a 10mm hexagonal nut

surrounding it (high pressure adjuster). Note that the modulating coil may be rotated through 90° if

necessary toprovide easier access for pressureadjustments. Beforeadjusting thehighpressure, the fire

mustbealightandburningatthe‘HIGH’setting.(Holddownthe+endofthetoprockerswitchonthe

handpiecefor30secondstoensurethis).

Setthehighpressurefirst.NGhighpressureshouldbe0.95kPaandLPhighpressureshouldbe2.3kPa.

Adjust,ifnecessary,byrotatingthe10mmnut,screwingdowntoincreasethepressureanduptodecrease

it.

Beforesettingthelowpressure,removeoneofthebluewiresconnectedtothetopofthemodulatingcoil.

Thereisnoneed to alter thehandpiece control setting.Adjustthe low pressure by rotating the central

Phillipsheadscrew, takingcarenot toshift theposition ofthealready adjusted10mm hex.nut. Screw

downtoincreasethepressure.Thecorrectlowpressuresare1.0kPaforLPand0.40kPaforNG.

Replacetheprotectivecapontopoftheadjusters,re-fitthebluewiretothemodulatingcoil,rotatethe

assemblyabovethecoiltoitsoriginalpositionandre-fittheheatshieldabovethevalve.

FAN

ACC MODELS. These have a Thermodisc heat operated switch incorporated in the fan wiring circuit to

preventthefanfromrunninguntilthefireboxhasreachedareasonableworkingtemperature.Itwillnotbe

possibletocheckthefanoperationuntilabouttenminutesafterthefirehasbeenliton‘HIGH’.Whenthis

timehaselapsed,checktheoperationofthefanonallspeedsettings.Verifycorrectoperation.

ECSMODELS.ThesehaveaThermodiscalso(seeaboveparagraph).Oncethefireboxhasheatedup,check

thefanoperationbypressingthelowerrockerswitchonthehandpiece.Pressingthe+endrepeatedlywill

increasethespeedthroughallfourfanspeedsettings(threespeedsandoff),whilepressingthe–endwill

stepitdownthroughthespeeds.Verifycorrectoperation.

FLUE.USEONLYANAPPROVEDFLUESYSTEM.

NOTE.Forsafeoperation,thefluemustneverbelessthan900mmlong.

1.Standtheheaterinitsproposedposition,takingcaretoobservetheminimumclearancesshownonpage

7.Theheaterdoesnotrequireafloorprotector(hearth).

2. Drop a plumb-bob from the ceiling to hang centrally in the flue socket of the heater and mark the

positionontheceiling.Driveasmallnailthroughatthispointandinspecttheceilingandrooftoensure

thattheflueanditstrimwillbeatleast25mmclearofanycombustiblematerial.Thefluetermination

requirementsstatedin3belowwillalsoneedtobemet.

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Masport Monaco Operations Instructions Page 9

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