MC-MP-SBD O wner’s Manual
22
JMP1: Current limiting option
Jumper JMP1 is used to limit the current drawn when either 2 pumps, or a
pump and a blower are operating at the same time.
Position 1 (HC) [*]: The heater may be turned on when both pumps are
operating at high speed.
Position 2 (LC): The heater may N O T be turned on if AN Y pump
(1 or 2) is on at high speed. The "Heater" indicator will
flash on the display to advise you that more heat has been
requested, but the heater is not allowed to start
Jumper Set-Up Positions
Installation
* Factory default setting.
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