Installation Manual
Installation
23│Page
Followtheelectricalcoderequirementsofthelocalauthorityhaving
jurisdiction.Intheabsenceofsuchrequirements,followthelatesteditionof
theNationalElectricalCodeANSI/NFPA70intheU.S.orthelatesteditionof
CSAC22.1CanadianElectricalCode,Part1,inCanada.
WhenservicingorreplacingpartswithintheT‐H2‐DV/T‐H2‐OS,labelall
wirespriortodisconnectiontofacilitateaneasyanderror‐free
reconnection.Wiringerrorscancauseimproperanddangerousoperation.
Verifyproperoperationafterservicing.
ELECTRICALCONNECTIONS
1. TheT‐H2‐DV/T‐H2‐OSmustbeelectricallygrounded.Donotattachthegroundwiretoeitherthe
gasorthewaterpiping.
2. TheT‐H2‐DV/T‐H2‐OSrequiresAC120V60Hzelectricalpowersupplythatisproperlygrounded.
• Aproperdisconnect(i.e.on/offswitch,powerplug,etc.)controllingthemainpowertotheT‐
H2‐DV/T‐H2‐OSmustbeprovidedforservicereasons.(Mustcomplywithlocalcodes).
• ConnectthepowersupplytotheT‐H2‐DV/T‐H2‐OSexactlyasshowninthewiringdiagram;
3. Agreenscrewisprovidedinthejunctionboxtogroundtheconnection.
4. Canbehardwiredorwiredtoaplug‐in.
5. Theuseofasurgeprotector
isrecommendedinordertoprotecttheunitfrompowersurges.
WARNING
CAUTION
ConnectPowersupply
AC120V60Hz
Ground