Page 4 RHC 8000 EN April 2019 D301207 Issue C• In case of persisting problems,contactyour distributor• The electrical isolator should only beused in an emergency and should not beused for closing down the main burner,as it switches off the fan prematurelyand may damage the heat exchanger,invalidating the warranty.• The temperature in the control sectionof the unit may never be less than-10°Cotherwise damage could occur to thesealing elements of the gas valve and tothe electronic components.Contained within the text of the manual,the words ‘Caution’ and ‘Warning’ areused to highlight certain points.Caution is used when failureto follow or implement theinstruction(s) can lead topremature failure or damage tothe heater or its component partsWarning is used when failure toheed or implement theinstruction(s) can lead to not onlycomponent damage, but also to ahazardous situation being createdwhere there is a risk of personalinjury.1. IntroductionIsolate any electrical supply to the heaterand controller before proceeding.1.1 Basic InformationThe instructions in this manual apply to theRHC8000(M) DJL gas-fired/ fan-assistedwarm air heaters: installed at an operationalambient temperature between -15°C and+45°C.The appliances must be installed inaccordance with the rules in force. Beforeinstallation, check that the local distributionconditions,nature of gas and pressure andadjustment of the appliance are compatible.A permanent electricity supply of 230volts,50Hz,single phase is required.• Gas categoriesI2H,I2E,I2E(S),I2E(R), I2Esi,and I2EK• RHC 8000(M) DJL model suitable forindoor air handlers only(when installedwhere the height above floor level isgreater than 1,8 meters measured to theunderside of the appliance they may beused as a garage air heater).Model RHC 8000(M) DJL heaters areapproved for:Type B 22/B52 – vertical vent (through theroof) or horizontal vent (through the wall)All models & sizes are available for use withnatural, gas with operating temperaturesbetween 15°C and 40°C.These instructions are only valid forappliances designed to operate in Europe.If the country code and gas category onthe appliance data label does not matchthe country of installation or the countrycodes and gas category’s as shown in thisinstruction manual, it will be necessary tocontact the distributor or manufacturerto provide the necessary informationfor the modification of the appliance tothe conditions of use for the country ofinstallation.Check that the local distribution conditionsof electricity supply, type of gas andpressure of the appliance are compatible.The total installation should be installed inaccordance with the rules in force, relevantNational Standards, local regulations,andCodes of Practice.When the external control calls for heat,an electronic control begins the ignitionsequence to provide for a safe start.Under normal conditions the fan motor runsconstantly and after a call forheat it switches the heater on through aCAUTIONWARNING