8 MSPA-MP Metapacks Service Manual
Jumper Positions
Certain MSPA-MP spa pack parameters can be modified by changing the
position of jumpers on the board.
2• To change a setting, simply pull cover
off and replace in desired position.
1• Jumpers are located in upper
right side of the board.
Jumper 1: Current Limiting Option
Jumper 1 is used to limit amount of current drawn when more than one pump (or pump and
blower) are on at the same time.
Position 1 (HC):
Heater will shut down if more than one pump is on at high speed.
Position 2 (LC):
The system will not turn heater on if any pump (1, 2 or 3) is on
at high speed.
"Heater" indicator will flash on display indicating that more heat is requested, but heater will
not be allowed to start.
Jumper 2: Keypad Configuration
Position 1:
10-key configuration.
Position 2:
8-key configuration.
Remove MSPA-MP power box cover to access jumpers. (See "How to Replace the Board"
section of this manual). Jumper functions may differ from information below. Please
check wiring diagram on inside pack cover to verify specific functions for our pack.
Position 2Position 1
Jumper Location
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