Protection – Davey Speedman Compact Constant Water Pressure Systems User Manual

Page 11

Advertising
background image

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.

Advertising