Test procedures, Power-up initialization

Operation

Test procedures

Operating checklist before start-up

•Unit is level, with sufficient clearance all round

•Duct network is correctly sized according to the unit configuration, insulated, and water-tight

•Condensate drainage line is correctly sized, equipped with a trap, and sloped

•Filters are in position, of correct size and quantity and clean

•Wiring is correctly sized and connected in accordance with wiring diagrams

•Power supply lines are protected by recommended fuses and correctly earthed

•Thermostat is correctly wired and positioned

•Unit is checked for refrigerant charge and leaks

•Indoor and outdoor fans rotate freely and are fixed on shafts

•Supply fan rotation speed is set

•Access panels and doors are replaced to prevent air entering and risks of injury

•Checking of the gas heating section, in accordance with above procedure

WARNING! If any operating checks must be performed with the unit operating, it is the technician's responsibility to recognize any possible hazards and proceed in a safe manner. Failure to do so could result in severe personal injury or death due to electrical shock or contact with moving parts.

Power-up initialization

CAUTION! Before proceeding with any test procedure or operation, make sure that crankcase heaters have been energized for at least 8 hours.

Units equipped with Scroll compressors do not have crankcase heaters.

Note: Upon power initialization, the RTRM performs self-diagnostic checks to insure that all internal controls are functional. It also checks the configuration parameters against the components connected to the system. The Liteport LED located on the RTRM module is turned "On" within 1 second of power-up if internal operation is okay.

Test mode procedure at the ReliaTel™ control board

Operating the unit from the roof using the test mode at the ReliaTel™ control board.

CAUTION! Before proceeding with the following test procedures, make sure that thermostat or zone sensor is off.

CAUTION! Use one of the following "Test" procedures to bypass some time delays and to start the unit at the control panel.

Each step of unit operation can be activated individually by temporarily shorting across the "Test" terminals for two to three seconds. The Liteport LED located on the RTRM module will blink when the test mode has been initiated. The unit can be left in any "Test" step for up to one hour before it will automatically terminate, or it can be terminated by opening the main power disconnect switch. Once the test mode has been terminated, the Liteport LED will glow continuously and the unit will revert to the "System" control.

52	RT-SVX20A-E4

TSD, TSH 060 specifications

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