Gecko MSPA-1-AS, Service Manual

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9 MSPA-1-AS
PROGRAMMING Jumper Setup
2• To change a setting, simply pull the
jumper out using a pair of pliers and
replace it in the desired position.
It is possible to change some parameters of your MSPA-1-AS Spa Pack by
positioning specific jumpers located on the board.
To access the jumpers, first remove the plastic cover inside your MSPA-1-AS Spa Pack
power box referring to the "How to Replace the Board" section of this manual.
On your system, jumper functions may differ from the following. Check the supplied
wiring diagram affixed to the inside of the power box metal cover for your spa pack’s
specific functions.
Jumper location
Position 2 Position 1
1• The jumpers are located on the upper
right section of the board.
Jumper JMP1: Current limiting option
Jumper JMP1 is used to limit the current drawn when the 2 pumps are used.
Position 1 (HC): The heater may not be turned on at the same time as pump 2.
Position 2 (LC): Pump 2 is disabled. Also, the heater may not be turned on if pump 1
is running at high speed or if the blower is on.
Jumper JMP2: Temperature display unit
Position 1: Temperature will be displayed in degrees Fahrenheit (ºF).
Position 2: Temperature will be displayed in degrees centigrade [Celsius] (ºC).
Jumper JMP3: Pump 1
Position 1: Two-speed pump.
Position 2: Single-speed pump.
Jumper JMP4: Pump 2
Position 1: Two-speed pump.
Position 2: Single-speed pump.