Protection – Davey Speedman Compact Constant Water Pressure Systems User Manual
Page 11

11
Protection
Should the Speedman Compact controller detect a system fault it protects
the pump by turning it off. Under some of these circumstances, it does
though perform an automatic restart or reset sequence as listed below.
PROTECTION
RESET
Low AC mains
Automatic
High AC mains
Automatic
Ground-to-phase & Phase-to-
phase short circuit
Number of attempts programmable
(default 10).
After this, attempts reset if possible only
contacting our technical support.
Output current over threshold
for more than 1 second
(threshold MT 12A rms – MM
17A rms)
Manual restart*
Water temperature over 75ºC
Automatic
Insufficient system pressure
Number of attempts programmable**
(default once after 5 minutes then every
50 minutes for 24 times)
No water in pump or air in the
pump
Number of attempts programmable**
(default once after 5 minutes then every
50 minutes for 24 times)
Broken pressure sensor
–––
*Procedure for manual reset.
1. Disconnect power supply
2. Wait for display to switch off
3. Reconnect power supply
**After this number of attempts it is necessary to do a manual reset.