User Guide

67
Service Manual NeoTherm 80 - NeoTherm 285
Setup Mode
TogototheSetupMode,pressandholdtheUpand
Downbuttonsatthesametimeforaboutthreeseconds.
Theinterfacewillindicate“°F.”
PressNexttogotothesetupforOutdoorReset(shown
as“LBTHODLOD”).UsetheUpbuttontoturnonthe
OutdoorResetfeature,ifdesired.Oncethisisenabled,
pressNexttogotothelinesforLowBoilerSetpoint
(LBT),HighOutdoorTemperature(HOD),andLowOut-
doorTemperature(LOD).Tochangeanyofthese,use
theUpandDownbuttons.(Youdonotneedtopress
Doneyet.)
UsetheNextbuttontostepthroughtheotheritemsin
thismenu.Toseethecurrentsetpointforanitem,press
theUpbutton.ThenusetheUpandDownbuttonsto
change the setpoint.
Important-WhenyouwanttoleavetheSetupMode,
presstheDonebuttontosaveanychangesyouhave
made.Ifyoudonotdothis,thesystemwillusetheold
setpoints.
MENUITEM DEFINITION
ForC Selectstemperatureunits
LBTHODLOD Outdoorresetenable/disable-
 enablesfollowingmenuitems
LBT Lowboilersetpointduringoutdoorreset
HOD Highoutdoortemperaturesetpoint
LOD Lowoutdoortemperaturesetpoint
RMTAdd Remoteaddress-usedforLead/Lagsetup
LL Lead/Lagenable/disable-enablesmenuitems
HS Hysteresis-temprangebetweenon/offcycles
bL BaseLoad%-inputratebeforenextboilerres
Sd Warmweathershut-downtemperature
ASC Antishortcycle-minutesofdelaybetween
startups
Table D2-2 - Setup Mode Parameters
Using the Original (White) User Interface - continued
Diagnostic Mode
DiagnosticModeallowsyoutoseeanyalertsorlock-
outs.Thismodeisalsousedtosetupthe“highre”and
“lowre”conditionssoyoucandothegasvalve/CO
2
adjustment.
TogototheDiagnosticMode,pressandholdtheNext
buttonforthreeseconds.Thedisplaywillindicatea
value,followedby“µA.”Thisisthesignalfromtheame
sensor.
PressNextagaintoseethelastalert(sincetheunit
waslastturnedon),andpressNextagaintoseethe
lastlockout.(Thereisalistofthelockoutcodesinthe
Appendixattheendofthismanual.)Thetablebelow
showstheotherfunctionsintheDiagnosticMode.Use
theNextbuttontostepthroughthesefunctions.
Tosetupthegasvalve,pressNextuntilthedisplaysays
“Min.”WhenyoupressNextagain,thedisplaywillstep
betweenanumber(thecurrentoutlettemperature)and
“10%”(thecurrentringrate).Atthispointthecontroller
isreadytodothe“lowre”setup.
MENUITEM DESCRIPTION
µA Displaystheamesensesignal
Alertcodes Displaysthecurrentalertcode
Lockoutcode Displaysthecurrentlockoutcode
OutletLimit Displaystheoutlettemperaturelimit
DHWlimit DisplaystheDomesticHotWaterlimit
setting
StackLimit DisplaystheStacklimitsetting
Min.ringrate Displaystheminimumringrateallowed
Min.forced Allowstheusertoforcetheboilertoreat
ringrate theminimumringrate
Maxforced Allowstheusertoforcetheboilertoreat
ringrate themaximumringrate
Rateindicator Displaysthecurrentringratebased
 onthefanRPM.
Table D2-3 - Diagnostic Mode Menu Structure
D2
cont.