HAAS + SOHN HSP 2.17 Installation And Operating Instructions Manual
Also see for HSP 2.17: Equipment sheet
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Contents
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7shutdown will be initiated and an error message isshown on the operator console display.During the “Heating mode” operating status, themaximum and minimum heat output are each controlledby safety limits (maximum and minimum flue gastemperature) i.e. if during the “Heating mode” operatingstatus the maximum flue gas temperature is exceededor if the flue gas temperature falls below the minimum, asafety shutdown will be initiated.5.3. Burner test / cleaningEvery 30 minutes during the “Heating mode” operatingstatus, a burner test is performed.The burner test is performed regardless of the heatoutput currently being delivered by the stove.This process takes about 2 minutes.5.4. Cooling downIf the set target room temperature is reached i.e. theactual room temperature and the target roomtemperature match, then the control unit switches to“Cooling down” operating status.The fuel supply is stopped i.e. the screw conveyor that islocated in the screw conveyor tube, stops, the rotationspeed of the induced draught fan is regulated to aprecisely defined rotation speed and the fuel which isstill in the grate is burnt.The cooling down phase is restricted by timing control(duration about 15 minutes).After the end of the “Cooling down” operating status, thedevice switches to “Standby” operating status.5.5. StandbyThere is no combustion process going on in thisoperating status, all the components, the induceddraught fan and the screw conveyor are stopped, theignition is switched off and the device is in a “waitingposition.”Before the stove can switch back from “Standby”operating status to the “Ignition phase” operating status,two ignition conditions must be fulfilled:1. The room temperature must be at least 1.0ºCbelow the set target room temperature.2. The flue gas temperature measured with thethermosensor must be lower than 70°C.It is only when both these ignition conditions have beenfulfilled that the device switches back from “Standby”operating status to “Ignition phase” operating status.Attention!The device starts by itself in “Standby mode”.Because of the heat generated on the panel, youmust ensure that there is no-one who is unfamiliarwith the operation of the pellet stove unsupervisedin the room where it is installed.Placing non-heat-resistant materials or objects onthe stove or within the specified minimum distancesis forbidden.5.6. Safety shutdown (shutdown)If a fault occurs, regardless of in which operating statusor which operating mode, a safety shutdown is initiated.The safety shutdown process is precisely defined.During the safety shutdown, the components areswitched on or off as follows:Induced draught fan – ONScrew conveyor – OFFIgnition – OFFThe ending of the safety shutdown is temperature-dependent i.e. the “Safety shutdown” operating status ismaintained until the stove has cooled down to a flue gastemperature of below 70°C.Once the safety shutdown is ended, the control unitswitches to the “Fault” operating status.5.7. FaultsThe stove can no longer be automatically started up.The operator can see the fault on the display.Once the fault has been properly corrected and the errormessage on the operator console has been cleared, thestove may be started up again. |
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