MDC Robson XTT 2015, Owner'S Manual

Page: 53 / 108

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Switching Off Gas Operation
– Switch off the water heater to position (Fig. 3b - c).
If the water heater is not to be used for a longer period, mount cowl cover (non-observance of this point can
lead to the function of the appliance being impaired through water, dirt or insects), close stop cock valve in the
gas supply line and close the gas cylinder.
Before setting off on any journey, fit cowl cap with the Truma UltraRapid switched off. Please ensure that it is
secure and has locked into place (risk of accident). Defective cowl caps must not be used. Drain the water
heater if there is a risk of frost! Warranty claims will not be accepted if this is ignored.
Red Indicator Lamp “Fault”
The red indictor lamp (a) lights up if there is a fault. For possible causes please refer to “Fault finding” on page 6.
To unlock, switch off the appliance, wait 10 minutes, and switch on again.
Maintenance
Do not modify this appliance
Servicing should only be carried out by authorised personnel.
Only original Truma parts may be used for maintenance and repair work!
Please contact the Service Australia for service and repairs.
Decalcification
The Truma UltraRapid must be descaled on a regular basis (at least twice a year).
We recommend the use of suitable normal commercial products for the cleaning, disinfection and care of the
Truma UltraRapid. Products containing chlorine are unsuitable.
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In order to avoid the colonization of micro-organisms, heat up the Truma UltraRapid to 70 °C at regular
intervals.
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The drain valve (Fig. 2 - 3) and the P&T safety valve (Fig. 2 - 4) are to be operated regularly to remove
lime deposits and to ensure that they are not blocked. Frequency: every 6 months.
Fuses
The water heater 12 V fuse is on the PCB on the water heater.
Important note
Only replace the miniature fuse on the PCB with a fuse of the same type: 1.6 A (slow action).