Viconics HP727 User Manual
Page 6
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7. OPERATION:
WHEN POWER IS FIRST APPLIED TO A FACTORY UNIT:
• The display will show [888] and the 3 status LED’s will come on for 4 seconds and then go off for 1 second.
• The pump will go on and then the actual water temperature will be displayed.
Factory settings of main parameters:
Pool setpoint:
OFF
Spa setpoint:
OFF
Filtration time FIL:
8 hours per day
The actual temperature displayed is held in memory and displayed for 5 minutes until the water temperature sensor has sampled
circulating water. After that delay of 5 minutes, the displayed temperature is automatically updated and displayed.
CONFIGURING THE UNIT J1 JUMPER
The unit can control 2 different setpoints:
The pool temperature and the Spa temperature.
2 methods can be used to switch the unit between ( Pool setpoint Mode ) or ( Spa setpoint Mode ).
How to activate either ( Pool setpoint Mode ) or ( Spa setpoint Mode )
J1 jumper not cut
Using the select key will active either mode manually ( press the
↑ or ↓ to switch between ( P_S )
J1 jumper cut
A remote Spa flow switch connected on CN19 will activate ( Spa setpoint Mode ) **
** Notes:
• In this mode using the select key will authorize changing the Pool or Spa setpoint, but the actual mode is determined by the Spa
flow switch connected on CN19.
• The Pool LED or Spa LED on the display will confirm which mode is active.
ADJUSTING POOL & SPA SETPOINTS:
Setpoint ranges:
Controller configured in °F
Controller configured in °C
Pool setpoint:
OFF
→ 61°F to 95°F
OFF
→ 16°C to 35°C
Spa setpoint:
OFF
→ 61°F to 104°F
OFF
→ 16°C to 40°C
• The control is shipped with setpoints at OFF in Pool and Spa mode.
• The heatpump is automatically switched OFF if a setpoint below 61 °F is selected.
• In the off mode the control will display the water temperature.
• Use the select and arrow key to enter Pool or Spa mode.
• Use the ↑ arrow to increase the setpoint above 61 °F on the selected mode.
• The pool heater ( heatpump compressor ) is automatically authorized to operate if a setpoint above 61 °F is selected.
• Adjust the setpoints to required value.
TURNING THE POOL HEATER ON ( HEATPUMP COMPRESSOR ):
When there is a demand for heat.
In Pool mode:
If the actual water temperature is lower than the desired Pool setpoint temperature.
In Spa mode:
If the Spa mode is manually selected ( J1 in place )
Or if the Spa flow switch is energized ( J1 cut )
And if the actual water temperature is lower than the desired Spa setpoint temperature.
When heatpump is energized:
• The Heat On LED is energized.
• The compressor will come on.
• The fan will come on at a speed dictated by coil temperature.
• Heat will stay on until setpoint is satisfied.