Sime Brava Slim HE 20 R i, Installation And Servicing Instructions

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Type No. Description Range U/M Step Default
PAR 24
External relay 2 function
0 = not used; 1 = remote alarm NO; 2 = remote alarm NC; 3 = zone
valve; 4 = automatic filling; 5 = external request; 6 = recirculation
pump; 7 = zone valve with OT; 8 = relaunch pump; 9 = boiler with heat
pump
0 .. 9 - - 0
PAR 25
Auxiliary TA function
0 = according to TA
1 = TA Antifreeze
2= domestic hot water disabled
0 .. 2 - 1 0
PAR 26 Zone Valve / Pump Relaunch Delay 0 .. 99 Min 1 1
PAR 29
Anti-legionella Function (Only hot water tank)
-- = Disabled
50 .. 80 - 1 --
PAR 35
Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer
2 = water pressure transducer (only pressure displayed)
0 .. 2 - 1 1
PAR 40 Modulating Pump Speed
-- = No modulation
AU = Automatic 30
.. 100
% 10 AU
PAR 41 ∆T Modulating pump delivery/Return 10 .. 40 °C 1 20
PAR 42 Select heat pump or boiler convenience (only if PAR 02 = 6) -20 .. 30 °C - 5
PAR 43 Heat pump boiler aid activation delay (only if PAR 02 = 6) 1 .. 60 Min - 3
PAR 47
System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
0 .. 1 - 1 0
RESET
PAR 48 INST Parameter set to default 0 .. 1 - - 0
In the event of a fault/malfunction the message “ALL” will appear
on the display with the alarm number eg.
“ALL 05”
(Domestic
Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting the
main switch to "OFF"
OFF
Fig. 41
– as a precautionary measure, close the gas isolation valve.
Repair the fault and start-up the boiler again.
NOTE:
after having repaired the fault, when the alarm number
appears on the display together with the message d
(see figure), press the button y for approximately 3 seconds
to start the appliance up again.
9.5 Fault / malfunction codes
Type No. Description
AL 02 Low water pressure in system
AL 05 Delivery sensor fault
AL 06 No flame detection
AL 07 Safety thermostat intervention
AL 08 Fault in the flame detection circuit
AL 09 No water circulating in the system
AL 10 Auxiliary sensor fault
AL 11 Gas valve modulator disconnected
AL 12 Incorrect configuration of the open /sealed chamber
AL 13 Smoke probe intervention
AL 14 Smoke probe fault
AL 15 Fan check cable disconnected
AL 18 Condensate level fault
AL 28 Maximum number of consecutive releases
ALL 30 Return sensor (SR) fault
AL 37 Fault due to low network voltage
AL 40 Incorrect network frequency detected
AL 41 Flame loss more than 6 consecutive times
AL 42 Button fault
AL 43 Open Therm communication fault
ALL 44 No flame valve opening time sum anomaly
AL 62 Self-calibrating procedure is required
AL 72 Incorrect positioning of the delivery sensor
ALL 77 EV2 SGV current max/min absolute limits error
ALL 78 EV2 SGV current upper limit error
ALL 79 EV2 SGV current lower limit error