Alarms Of The Inverter And Of The Motor; Extraordinary Maintenance; Replacing The Heat Exchanger (Coil) - York Saphir YSF-EST Gebrauchs - Und Wartungsanweisungen

Insufficient water and/or air volume
1
The air delivered by the unit is not hot
2
or cold enough
3
In case of other problems, contact the area distributor or YORK service department.
4
In case of fire, in order to prevent risk of electrocution, do not use water.
Use powder or CO
5
7.3.1 ALARMS OF THE INVERTER AND MOTOR
6
The inverter is equipped with a LED (see Fig. 7), which in case of alarms, blinks in different
time intervals depending on the type of alarm detected. The Alarm output is open collector
7 type, open in case of alarm (V
ALARM TYPES
8
Over temperature Blink Alarm led
Over voltage
Undervoltage
9
Over current
Over Load
10 Safety control
Stop
+

7.4 EXTRAORDINARY MAINTENANCE

All operations of extraordinary maintenance, such as regulation or the re-
placement of the electric components, (motor, control, valves, etc.) must be
executed by qualified personnel only.
Before proceeding with any operation of extraordinary maintenance, make
sure that the unit has been disconnected from the power supply.
34
The filter and/or the coil is clogged
The fan speed is too low
Water and/or air temperature at the en-
try of the fan coil does not comply with
the expected values
The pump is not powerful enough to
handle operational requirements
extinguishers.
2
24V, l
max
LED INDICATIONS ALARM INDICA-
TIONS DIP4=OFF
Blink Alarm output
3 s ON - 0,5 s OFF 3 s ON - 0,5 s OFF
Blink Alarm led Blink Alarm output
0,5 s ON - 0,5 s OFF 0,5 s ON - 0,5 s OFF
Alarm Led ON Alarm Led Out ON
permanently permanently
5mA sink).
max
ACTIONS
Motor OFF
Speed reduction Power limiting
Motor OFF
Clean the filter and/or the coil
Change the position of the speed se-
lector
Verify the available power and the in-
stalled power. Operate accordingly
Replace the pump with a pump suitable
to the installation requirements
NOTES
Auto restart Alarm. After about
1,5 min of persistent condition
the Alarm is set permanently: led
ON and Alarm ON. System is in
STOP mode.
Temperature limiting
Set 0V on input to reset the alarms