HIDROS LZT Serie Technisches Handbuch Seite 81

LZT
Hocheffiziente Luft-Wasser Wärmepumpe
b(n)Cu Unload high t/p circ(n)
La lettera (n) identifica il circuito interessato
Code Visualization
C(n)tr C(n) overl
C(n)oP AL oil C (n)
C(n)dt Hi Disch temp.C(n)
La lettera (n) identifica il compressore interessato
Visualization
Termostatic expansion valves AL!
Flowmeter transd.
MTEC.6200.DE-D-1 Betriebs und Wartungshandbuch LZT Serie Deutsch
Warning high pressure
circuit (n)
Compressors alarms
Alarm Description
Verdichter (n) Überlast
Compressor (n) pressure
switch/oil float
Compressor (n) high
discharge temperature
Other alarms
Alarm Description
The expantion circuit stops
(Only with electronic expan-
tion valve).
Wrong reading of flowmeter
transducer.
81
In heating mode:
Insufficient user circuit water
flow;
Insufficient domestic hot
water circuit water flow.
In cooling mode:
Insufficient air flow at the
source fan;
Insufficient domestic hot
water circuit water flow.
Cause
Verdichter (n) Eingangsstrom
außerhalb Betriebsgrenze.
Maintainence required.
Service required.
Cause
Faults to the cooling circuit.
Fault of the transducer and/
or hydraulic circuit.
Contact the service depart-
ment.
Solution
Kontaktieren Sie das Unter-
nehmen
Contact the service depart-
ment.
Contact the service depart-
ment.
Solution
Contact the service depart-
ment.
Check the electrical connec-
tions, if correct call the servi-
ce to replace the sensor.
Rev. D 06-2017