HRV200PLUS Defrost Mode
•The HRV200PLUS demands gas appliance operation for defrost. This occurs when the following conditions exist:
-The appliance is not in use.
-The outdoor temperature falls below 25° F.
-The DEFC1 jumper is not installed on the HRV200PLUS circuit board.
•The HRV200PLUS does the following:
-Turns blowers on to high speed.
-Sends a 12VDC signal to the C2 terminal to light the ember bed lights (by energizing relay K3 on the appliance circuit board). This acts to notify the user the appliance is preparing to operate.
-Positions HRV200PLUS dampers (if installed) for appliance operations.
-Performs a 15 second delay
-Sends a 12VDC signal to the R1 terminal to initiate the ignition sequence (by energizing relay K1 on the circuit board).
-Sends a 12VDC signal to the C1 terminal to override the pressure switch for the fi rst thirty seconds of ignition.
•The 6100PLUS senses adequate draft in the fl ow sensor (located in the appliance fl ue collar) to close the fl ow pressure switch.
•The intermittent pilot ignition (IPI) system activates and lights the burner.
•After thirty seconds, the HRV200PLUS
•When the user demand for appliance operation is removed, the HRV200PLUS
•There is a 20 second delay
•The HRV200PLUS
Note: The HRV200PLUS can use indoor air instead of the gas appliance for defrost if the optional defrost kit (part # HRV99DEFKIT) is installed.
Note: The appliance may operate to defrost the HRV200PLUS when the flame switch is in the “OFF” position. The appliance will only operate in “EMBER FIRE” mode during HRV200PLUS defrost.
The electric ember bed will light for fifteen seconds then the ember fi re fl ame will ignite to defrost the HRV core.
Hearth & Home Technologies • 6100PLUS • | 25 |
