MAC3 HydroController HCW MT 1P - Page 76

User Guide HC - Copyright © 2008 MAC3. All right reserved.
Man 01
Disegno 6328
35
Via Baldanzese, 149 50041 Calenzano FI
Tel. 055 8877672 – Fax 8877068
www.mac3.it - e-mail: mac3@mac3.it
En
glish
5. DISPLAY VISUALIZATION
5.1. Messages talble
Message Message meaning Electropump
state
What to do
Disabled........ HC engaged but not engaged for
electro-pump checking
Off Repeat the start-up
procedure, setting ON/OFF
= 1
Active.......... HC is checking the pressure
Pressurized system
Off
Active..1.0.0... HC is checking the pressure
Pressurized system
On
Active (leakage) HC is checking the pressure
The system is leaking
Attempt to eliminate the
cause of the faulty sealing
of the hydraulic system.
Low ACMain...... The power voltage is too low
(under 170 Vac).
Automatic reset
Off Check the electrical system
and reset the values to the
range as envisaged for the
HC
High ACMain..... The power voltage is too high
(above 270 Vac).
Automatic reset
Off Check the electrical system
and reset the values to the
range as envisaged for the
HC
Check if there is air in
pump and eliminate it.
Short ph-ph-gnd. A phase/phase short circuit or a
phase/earth short circuit has been
found on the electro-pump
Automatic and programmable
reset
Set at the factory for 5 attempts
at resetting every 10 sec; if
unsuccessful, the system will
remain in a permanently locked
state.
Off Eliminate the short-circuit.
Check the correct motor
absorption
Disconnect the power
supply
Wait for the display to
switch off
Restore the power supply
..STOP CC …... After 10 rearmament atempts for
Short circuit ph-ph-gnd of the
electropump.
Off For rearmament is
necessari to contatc
technical support.
High temperature Water temperature above 75 °C.
Automatic reset when the
temperature falls to under 60 °C:
Off Check that the incoming
water temperature is within
the product specifications.
Check and restore the
correct pump priming
condition
Press.Insuff..... high flow and very low pressure
Automatic reset
(Set at the factory for 1 resetting
attempt every 5 min. if
unsuccessful the reset operation
will be attempted every 50
minutes for 24 times. After which
the system will remain in
permanently blocked state)
Off Eliminate the big flow.
Restore correct power
priming condition
Check that the filter is not
clogged
Disconnect the power
supply
Wait for the display to
switch off
Restore the power supply