Installation Operation Maintenance

OperationTest proceduresOperating checklist before start-up• Unit is level, with sufficientclearance all round• Duct network is correctly sizedaccording to the unitconfiguration, insulated, andwater-tight• Condensate drainage line iscorrectly sized, equipped with atrap, and sloped• Filters are in position, of correctsize and quantity and clean• Wiring is correctly sized andconnected in accordance withwiring diagrams• Power supply lines are protectedby recommended fuses andcorrectly earthed• Thermostat is correctly wiredand positioned• Unit is checked for refrigerantcharge and leaks• Indoor and outdoor fans rotatefreely and are fixed on shafts• Supply fan rotation speed is set• Access panels and doors arereplaced to prevent air enteringand risks of injury• Checking of the gas heatingsection, in accordance withabove procedureWARNING! If any operating checksmust be performed with the unitoperating, it is the technician'sresponsibility to recognize anypossible hazards and proceed in asafe manner. Failure to do so couldresult in severe personal injury ordeath due to electrical shock orcontact with moving parts.Power-up initializationCAUTION! Before proceeding withany test procedure or operation,make sure that crankcase heatershave been energized for at least8 hours.Units equipped with Scrollcompressors do not have crankcaseheaters.Note: Upon power initialization, theRTRM performs self-diagnosticchecks to insure that all internalcontrols are functional. It alsochecks the configuration parametersagainst the components connectedto the system. The Liteport LEDlocated on the RTRM module isturned "On" within 1 second ofpower-up if internal operation isokay.Test mode procedure at theReliaTel control boardOperating the unit from the roofusing the test mode at theReliaTel control board.CAUTION! Before proceeding withthe following test procedures, makesure that thermostat or zone sensoris off.CAUTION! Use one of the following"Test" procedures to bypass sometime delays and to start the unit atthe control panel.Each step of unit operation can beactivated individually bytemporarily shorting across the"Test" terminals for two to threeseconds. The Liteport LED locatedon the RTRM module will blinkwhen the test mode has beeninitiated. The unit can be left in any"Test" step for up to one hourbefore it will automaticallyterminate, or it can be terminatedby opening the main powerdisconnect switch. Once the testmode has been terminated, theLiteport LED will glow continuouslyand the unit will revert to the"System" control.52RT-SVX20B-E4