TM_i-BX(-N)_NC05_00_06_20_EN
MEHITS S.p.A.
●
TECHNICAL MANUAL
Version NC05 - Translation of the Original Instructions
12
Compressor information
[Only visible with Service password]
○,1
System request (
)
○,5
Delivery pressure
○,2
Domestic hot water request (
)
○,6
Delivery temperature
○,3
Status
-
Off
-
On
-
Force off - Forced off due to an external condition that immediately switches off the
compressor, or keeps it off [for example, the compressor is forced in the OFF condition for
pre-ventilation purposes, or if the pressure delta is too high for a start]
-
Alarm - compressor alarm
-
Safe.off - compressor OFF due to time limitations (not due to alarm)
-
Safe.on - ON due to time limitations
-
Manual - Compressor in manual mode
-
PumpD. - Pump-down active
-
Startup - Compressor in startup phase
-
High DP - High Delta Pressure for startup
-
High T - High system temperature
-
Max set - Maximum time in DHW mode exceeded
-
Al.envel. - Envelope alarm
-
Oil rec. - Oil recovery active
○,7
Return pressure
○,4
Compressor frequency
○,8
Return temperature
System pump information
[Only visible with Service password]
○,1
Water temperature setpoint
○,4
Unit input water temperature
○,2
System pump status
-
On
-
Off
-
Sniffer - Sniffer
-
HP prev. - -> In HP + DHW (DHW priority): if there is DHW request | In HP + DHW (Plant
priority): if there is DHW request and no Plant request
-
ON by Hp - High pressure alarm prevention (parameter 1416) with "HP Prev." active
-
Sn. freeze -> Antifreeze sniffer
-
Antifr. -> Antifreeze
-
Heaters -> Heaters ON
-
Fl.Act. -> Flow alarm
-
10 Alarm
○,5
Unit output water temperature
○,3
Temperature difference TD
