9
For the primary digital readout
A. Press the center button and release. The display will read SP, wait approximately
two seconds, press the up or down button and the set points will be displayed.
B. Press and hold the up or down button until the desired set point is displayed.
3 degrees F over the working temperature is recommended.
C. Wait approximately 10 seconds. If the set pint was changed, the display will
flash then the SPC will return to display the sensor temperature. (If you do not
want to wait 10 seconds, press the center button once to adjust the differential
or press the center button twice to immediately display the sensor temperature.)
For your added safety C.D.F. has installed a Secondary High Limit Circuit.
This circuit will trip the unit, the pump receptacle, and stop water flow through
the unit in the event of a secondary high-limit trip.
NOTE!
IF THE SECONDARY HIGH LIMIT CIRCUIT TRIPS THE WATER
TEMPERATURE IN THE SYSTEM MUST DROP 15 DEGREES F BEFORE
THE SYSTEM WILL RESTART
The secondary high limit should be calibrated with the primary at the beginning of
each dive day or at each time the unit is restarted. Follow the operations manual start
up procedures as always and follow these additional steps:
A.
After a constant divers working temperature has been achieved set the
primary high-limit as described in the manual.
B.
Set the secondary high-limit in the same manner as the primary, changing
the set point temperature to 5 degrees F over the working temperature
instead of 3 degrees F.
C.
Complete the remaining daily safety systems checkout as described in this
operations manual.
WARNING!
SUPPLY PUMP MUST BE CONNECTED TO THE OUTLET
PROVIDED ON THE UNIT FOR THE SECONDARY HIGH
