Hearthstone Quality Home Heating Products, Inc.
Tucson DX/ST Model 8702
10
Control Functions
Pilot Mode
Continuous Pilot (CPI):
Running the Tucson 8702 in CPI mode will keep your pilot running even when the
thermostat does not call for heat and when the burner is not lit. This is an advantage in cold climates or under
windy conditions. The “standing pilot” helps to keep the venting warm and generate some draft within the
system. The standing pilot also keeps the firebox warm – greatly minimizing, or eliminating condensation
formation on the glass during startup. The ignitor will automatically spark whenever the pilot mode is switched to
CPI, regardless of the position of the receiver switch.
Intermittent Pilot (IPI):
Using the IPI mode is a more efficient use of fuel as the pilot only ignites when the
thermostat calls for heat.
Photo 2 – Pilot Mode Switch
Remote Receiver (DX Only)
The Receiver is normally powered by the Fan Control Module or by four 1.5V AA batteries during a power
outage. The Receiver switch can be set to three different positions:
On:
Manual override allowing the valve to function and ignite the burner without the remote transmitter. The
ignitor will spark automatically.
Remote:
Remote Transmitter controls all functions of components.
Off:
Turns off the stove. If CPI mode is selected, pilot will remain lit.
PRG:
Used to synchronize the Transmitter and Receiver initially, and after each battery change (see page 39).
Photo 3 – Receiver Detail
Summary of Contents for Tucson 8702 DX
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