Installation Manual

Installation
23Page
Followtheelectricalcoderequirementsofthelocalauthorityhaving
jurisdiction.Intheabsenceofsuchrequirements,followthelatesteditionof
theNationalElectricalCodeANSI/NFPA70intheU.S.orthelatesteditionof
CSAC22.1CanadianElectricalCode,Part1,inCanada.
WhenservicingorreplacingpartswithintheTH2DV/TH2OS,labelall
wirespriortodisconnectiontofacilitateaneasyanderrorfree
reconnection.Wiringerrorscancauseimproperanddangerousoperation.
Verifyproperoperationafterservicing.
ELECTRICALCONNECTIONS
1. TheTH2DV/TH2OSmustbeelectricallygrounded.Donotattachthegroundwiretoeitherthe
gasorthewaterpiping.
2. TheTH2DV/TH2OSrequiresAC120V60Hzelectricalpowersupplythatisproperlygrounded.
Aproperdisconnect(i.e.on/offswitch,powerplug,etc.)controllingthemainpowertotheT
H2DV/TH2OSmustbeprovidedforservicereasons.(Mustcomplywithlocalcodes).
ConnectthepowersupplytotheTH2DV/TH2OSexactlyasshowninthewiringdiagram;
3. Agreenscrewisprovidedinthejunctionboxtogroundtheconnection.
4. Canbehardwiredorwiredtoaplugin.
5. Theuseofasurgeprotector
isrecommendedinordertoprotecttheunitfrompowersurges.
WARNING
CAUTION
ConnectPowersupply
AC120V60Hz
Ground