Operation Messages - AERMEC Srp ELESTA DOMOTESTA 300 Manual De Uso

The electronic control indicates the different operation modes of the unit and the system to the user;for this, some codes are
used to identify the operation mode or current errors; all these messages are displayed on the main screen (shown on page 6 of
Table Functions
of con-
tents
00 SRP Unit off
01 Antifreeze unit active
02 Maximum delivery temperature to the unit exceeded
03 Block of the unit bivalent function
04 Minimum delivery limit of the unit exceeded
05 Not used
06 Block of the unit for the evaporator minimum temperature
07 Not used
09 Cooling without unit use
10 Unit on
11 Operation error x. 1 (high pressure)
12 Operation error x.2 (low pressure)
13 Operation Error x.3 (safety series)
14 Operation error x.4 (geothermal probe pressure and flow, motor heating)
15 30 seconds delay active
16 Restarting delay active
17 Block from EVU, energy generator block
18 Prestarting of the heat pump primary pump active
19 Postoperation of the heat pump primary pump active
20 T control for defrosting
21 Delay time for defrosting active
22 Defrosting in operation
23 Heat pump starting delay after defrosting active
25 Defrosting function stop time active
26 Manual defrosting in operation
27 Defrosting by external contact in operation
28 Defrosting with fan
29 Defrosting with fan by external contact
30 Not used
31 Not used
40 Boiler charge with the unit
41 Danger of frost
42 Unit suction
43 Unit gradual start
44 MOP (maximum operating pressure)
45 Not used
46 Condenser antifreeze protection active
47 Dew sensor active
48 Fan delay time after frosting
50 Swimming pool charge
60 Not used
24

OPERATION MESSAGES

this manual; index 24).
Find below the meanings of the codes displayed on the screen