AUX EL Series Instruções de Operação descarregar pdf (Página 32)

09/11/2014 30 NI401

Override Switch – the front panel slide switch (very similar to standard Electro-Mate DFC) is a direct

hardware disabling of the HP-Y1 and electric elements functions. The room thermostat heat call wire or

function is directly controlling the fossil fuel or gas furnace. This function can also be on a remote switch, see

previous statement for “SBSW” tab.

WARNING

THIS FRONT PANEL MANUAL OVERRIDE SWITCH IS A HARDWARE DIRECT TO GAS

FURNACE FUNCTION. THUS THERE ARE NO BLOWER PURGE CYCLES. IF THE ELECTRIC

ELEMENTS ARE ON AND HOT WHEN SWITCHING TO OVERRIDE AND IMMEDIATELY

ALLOWING THE GAS FURNACE, OVERHEAT ON THE ELECTRIC ELEMENTS AND

POTENTIAL ELECTRO-MATE MANUAL RESET IS POSSIBLE. THIS FRONT PANEL

OVERRIDE SWITCH SHOULD ONLY BE ACTIVATED WHEN THERE IS NOT A ROOMSTAT

HEAT CALL.

Note: This switch must be in the “normal” position during cooling.

ICM board (inside) – fault LED pulses with last open limit condition, see next page.

Sensor Monitor Indicators – in addition to using PC software to readout the temperature sensors, there is a

built-in go/no-go type monitor visible on the green PWR ON second from the top LED.

• If there is detection of miswired or totally inoperative sensor, this LED has a blinking or pulse mode. By

checking the pulsing pattern, the appropriate sensor can be identified.

• ST sensor - two, 100 ms blinks every second

• OT sensor - 100 ms blink every second

• Both bad - ½ second on, ½ second off, alternating.

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AUX EL Series Instruções de Operação Página 32