DK50 3x4VR/M
NP-DK50-3x4VRM_ED-EN-2_10-2018
- 16 -
10/2018
This indicates the new maintenance interval
has been set on the controller from this time
forward.
Note: Only service personnel are authorised
to configure a new service interval
Any maintenance or service work
must
be
recorded
in
the
compressor’s service log
.
Medium priority alarm conditions
Air pumps malfunction
The display shows a message (FAULT) and
the P2-ALARM indicator is flashing.
This indicates whichair pumpis not running (a
motor circuit breaker (Q1 - Q3) is tripped due
to current overload). The display flashes red.
The other air pumps are working normally.
The screen deactivates and the screen for
normal operation is shown once the
malfunction is remedied and the motor circuit
breaker is manually placed back in the “ON”
position.
The compressor only
supplies
compressed
air to the central line through the functional air
pumps.
Fault - motor winding temperature
fault.
The message on the display (FAULT) and
blinking P2-ALARM indicator indicate which of
the air pump motors has malfunctioned (open
thermal overload switch (B11 - B13) inside the
motor winding (M1 - M3)). The malfunction in
the air pump may be mechanical or electrical.
Once the malfunction is remedied
(cooling, repair or replacement; the
thermostat must be on), the P2
indicator stops flashing and the
display no longer shows the alarm.
Medium priority alarm signals have priority
over maintenance interval signals.
As such, the display will show a medium
priority alarm if there is a malfunction involving
any of the air pumps.
Содержание DK50-3X4VR/M
Страница 1: ...User manual EN DK50 3X4VR M...
Страница 2: ...October 2018 Z_2195 2018 Chap 2 pgs 5...