30
ۣૐ ۞ইૐҴૐ ೠҴসӏѺ ಿ҃మ
TerminalBlock
▪Accessingtheinstallerwiring,
- Thisappliancemustbeelectricallygrounded.
- Ensuretheelectricalreceptaclethatthecombinationboilerwill
bepluggedinto,isproperlygrounded;ifwiringdirectly.
- Donotattachthegroundwiretoeitherthegasorthewater
pipingasplasticpipeordielectricunionsmayisolatethe
Combinationboilerelectrically.
- Thewiringdiagramscontainedinthismanualareforreference
purposesonly.
- Refertothesediagramsanddiagramsfromexternalcontrols
usedwiththisappliance.Read,understand,andfollowall
wiringinstructions.
- Donotdisconnectthepowersupplywhentheunitisinnormal
operation.Damagecausedbyfreezingisnotcoveredunder
thewarranty.
- Manual(Rocker)switchmaximumallowablecurrentforeach
circulatoris3ampat230VAC.
(Housing:Nylon#66UL94V-2,Rocker:Nylon#66UL94V-
2,Terminal:CopperAlloy)
- Terminalblock(Externalpowerconnector):DFT-20A-10P
6.2.2RoomThermostatConnection
▪ Toconnectaroomthermostat,itisnecessaryto:
- Removethefrontpanel.
- Insertthewiresleadingfromtheroomthermostatthrough
bottomanothercablegland.
- Connecttheconnectorofroomthermostatwirestothe
connectorfromcontrolpanel.
CAUTION
Thesensormustbexedtoanexternalwallsurfaceofthe
propertyitisserving.Thewallmustfacenorthorwest.
6.2.3OutdoorTemperatureSensorConnection
▪ ToconnectanOutdoorSensor,itisnecessaryto:
- Removethefrontpanel.
- Insertthewiresleadingfromtheoutdoorsensorthrough
terminalblock,notforpowersupplyone.
- Connectthewiresofoutdoorsensortotheterminalat
thebracketofcontrolpanelasindicatedinthegurebelow.
Main Switch
ࣜࣜࣜ
ࣩ࣭࣬࣬
࣫ ࣫
0-10V
Connection
Heat
Outdoor
Sensor
ࣜ