P7 0 = Secondary pump is a single speed pump.
1 = Secondary pump is a dual speed pump.
P8 0 = There is only one secondary pump.
1 = There are 2 secondary pumps.
Note : if P8 is ON, then by definition both secondary
pumps must be single speed.
Warning : an improper setting of P7 and P8 can
result in damaged or even destroyed pump motors.
It can also cause the controller's printed circuit
board to catch fire. Only trained service personnel
should carry out changes.If unsure please contact
ACC for more information.
DIAGNOSTIC VALUES
The D options are internal diagnostic values and may not be changed
from the control panel. When a D message is displayed, press the SET
key to see what the associated value is. Here is a brief explanation :
D1 What the microprocessor is reading as relative temperature.
D2 What the microprocessor is reading from the keys.
D3 What the microprocessor is sending to the relays.
D4 Accumulated count of temperature errors encountered.
D5 Accumulated count of hi limit errors encountered.
D6 Accumulated count of heartbeat errors encountered.
D7 The firmware revision number.
D8 The manufacturing year and week in the form yyww
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