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TH303
5
Connect either one of the
thermostat wires to the
heater wire and the other
one to the power supply
wire using solderless
connectors for copper wires.
NOTE: Special CO/ALR
solderless connectors must
be used when connecting
with aluminium conductors.
Wiring
2-wire installation
4-wire installation
Power supply
Power supply
400-303-000-C EF (4.5 x 3) ENG.fm Page 5 Friday, June 19, 2009 9:28 AM