Harman Stove Company P35I a. Feed Rate Adjustment, b. Mode Selection, c. Temperature Dial

P35i Fireplace Insert

a. Feed Rate Adjustment

The Circuit board runs on a one minute timer cycle. Each minute, the board is thinking ahead to what it needs to do for the next minute to maintain or achieve the demanded temperature. What you are setting on the feed adjuster dial is the maximum amount of feed time, per minute, that you'll allow.

The circuit board will make its own determination of how long to run the feeder, UP TO the maximum, as set on the dial. For instance, a number 4 setting on the feed adjuster will allow a maximum of 40 seconds per minute of feed. If the room temperature is satis- fied, with only feeding 20 seconds, then that is all the circuit board will run the feeder. When heating a large area, the number 4 setting is usually adequate, how- ever, fuel quality may dictate a higher or lower setting. If you see un-burned or burning fuel being pushed off of the grate during a high demand period, the feed rate is set too high. Ideally, you'll want to see about an inch of ashes in front of the burning fuel during a peak demand period. When the appliance is located in a smaller room or area, the feed adjuster may need to be kept at a lower setting of #2 or #3, to maintain a fire with less frequent shut-down and ignition cycles. Always allow a minimum of fifteen minutes between making any adjustments to the feed rate.

Note: Since the circuit board is feeding as needed, only adjust the feed rate while maximum demand is occurring. (Stove Temp Mode, with a temp dial setting of #7 will create maximum demand.)

b. Mode Selection

Room-Temp mode is the ideal mode of operation if you wish to maintain a comfortable temperature in the room. As the outdoor temperature fluctuates, the control will adjust the feed rate to maintain the desired temperature setting in the room. For best results,

be sure the room sensor is located away from drafty areas and not positioned on the floor or near an exte- rior wall.

Stove-Temp mode is more of a manual method of operation. The stove will run at a constant heat output, regardless of surrounding air temperature. Note that on the coldest days, your indoor heated space will be cooler than on the warmer days. The only real benefit to this mode of operation is that you'll be able to know exactly how long a hopper full of fuel will last, because the consumption is going to stay relatively the same.

c. Temperature Dial

The temperature dial is a dual purpose dial. In Room- Temp mode, you select the room temperature you want the stove to maintain at the room sensor probe. This is marked in Fahrenheit scale from 50 to 90 de- grees. In Stove-Temp mode, you select a temperature setting based on the #1 - 7 with 1 being a minimum burn and 7 being a maximum burn rate.

d. Blower Speed Adjustment

The mode selector is also marked with a L to H scale in each mode. This is a variable speed control for the distribution blower. L is the low setting, and H is the high setting. It is important to note that the blower will not come on until the ESP reaches a specific tem- perature, to ensure that cold air is not being blown out into the room. Also, the speed of the blower, when set on lower speeds, will automatically increase as the temperature of the stove increases.

e. Igniter Mode Switch

The toggle switch for the igniter is a two position switch. Select from either AUTOMATIC or MANUAL.

AUTOMATIC- Will automatically start the fire in either STOVE TEMP or ROOM TEMP mode.

STOVE TEMP: The ignition mode will start the fire one time only. Since STOVE TEMP maintains a constant output, the fire will never go out to need re- ignited.

ROOM TEMP: The ignition mode will start the first fire. Then, if the room temperature is satisfied, the fire will go out. Once the room cools, the ignition mode will start another fire, and so on. This mode provides fully automatic temperature control. MANUAL- The fire must be started manually using starting gel or other manufactured fire starter.

MANUAL- With the igniter switch in the manual position, the igniter is disabled.

STOVE TEMP: The fire would need to be started manually, and will maintain a constant output based on the temperature setting.

ROOM TEMP: The fire would need to be started manually. The control will adjust output to maintain a constant room temperature, however it will not allow the fire to go out. If the room temperature is satisfied, the control will adjust to the minimum burn rate and hold there until the room temperature de- creases.

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