Chapter 7 - Options
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3) DB Resistor Wiring
When wiring, connect the DB Resistor as SHORT as possible.
· DB resistor wiring for 1 – 5 HP Inverter
DB resistor terminal Terminal description
B1, B2 Connect the DB Resistor to Inverter terminal B1, B2.
TH1, TH2
Thermal sensors provided with the DB resistor.
P1 is ON (TH1-TH2 Shorted) at normal (ambient temp) and P1 is OFF (TH1-TH2
Open) at overheated status. Connect the thermal sensor to one of the multi-function
input (P1, P2 or P3, I/O 12-14 setting: Ext Trip-B).
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