Carel Hecu handleiding
Handleiding
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Hecu +0300023EN rel. 1.2 - 14.12.2021
Troubleshooting Delay Reset Notes
Check P_suct_backup probe
- probe type
- wiring
- probe limits setting
- comparison of display value reading with physical
instrument (pressure gauge,..)
Not present Automatic
Check P_vap_inj probe
- probe type
- wiring
- probe limits setting
- comparison of display value reading with physical
instrument (pressure gauge,..)
Not present Automatic
Check T_vap_inj probe
- probe type
- wiring
- probe limits setting
- comparison of display value reading with physical
instrument (pressure gauge,..)
Not present Automatic
- Check evaporator expansion valves operation, type and setting (e.g. valve blocked
closed)
- Mechanical pressure switch safety threshold
Settable on screen Hca02 Automatic, manual after a certain num-
ber of alarms in a period of time set on
screen Hca03
- Check evaporator expansion valves operation, type and setting (e.g. valve blocked
open)
- Mechanical pressure switch safety threshold
Settable on screen Hca01 Automatic / manual
- Check fans and related alarms setting
- Correct operation of the fans from the mechanical point of view (wiring, confi gura-
tion,..)
- Compressor correct operation (possible presence of liquid, excessive refrigerant
charge, compressor size, ...)
Settable on screen De03 Automatic SERIOUS
ONLY WHEN
BLOCKING
- Check fans and related alarms setting
- Correct operation of the fans from the mechanical point of view (wiring, confi gura-
tion,..)
- Check discharge pressure probe positioning and correct operation (comparison of
display reading with gauge reading)
- Check correct compressor operation (low refrigerant charge, compressor size, ...)
Settable on screen De01 Automatic SERIOUS
ONLY WHEN
BLOCKING
- Check fan setting and confi guration
- Check fan size with respect to its application
- Correct operation of the fans from the mechanical point of view (wiring, confi gura-
tion,..)
Settable on screen De05 Automatic / manual
- Check compressor correct operation (presence of liquid, incorrect size, excessive
refrigerant charge, etc.).
- Evaporators with valves wide open at the same time (e.g. MOP in MPXPRO incorrectly
set, valves blocked open,..)
Settable on screen Cae25 Automatic
- Check correct compressor operation (incorrect size, low refrigerant charge,...)
- Evaporators with closed valve and compressors in operation (valves blocked closed,..)
Settable on screen Cae27 Automatic
-Two level sensors (low, high)
-Wiring and electrical panel connections
- Check DI confi guration
/ Automatic
- Check BLDC compressor operation based on alarm type
- Type of alarm signalled settable on screen Cae02
Settable on screen Cae04 Automatic
- Check BLDC compressor operation based on alarm type
- Type of alarm signalled settable on screen Cae05
Settable on screen Cae07 Automatic
- Check backup compressor operation (compressor size, refrigerant charge,..) Settable on screen Cae10 Automatic / manual
- Check piping, valves and circuit components tightness
- Compressor correct operation
Settable on screen Hc05 Automatic
- Check fan connections and proper fan operation
- Fan size not suitable for the system
- Excessive refrigerant charge in the circuit
Settable on screen De05 Settable on screen De05
- Check fan connections and proper fan operation
- Fan size not suitable for the system
- Excessive refrigerant charge in the circuit
Settable on screen De05 Settable on screen De05
Change board / /
- Check set probes such as control probes (type, wiring, installation point, probe limits,
value reading comparison with mechanical device)
- Check setting and management of generic functions (alarms, delays, set points enable)
Settable on screen for
each generic function
Automatic
Bekijk gratis de handleiding van Carel Hecu, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Carel |
| Model | Hecu |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 10743 MB |



