Esp control – Harman PP38+ User Manual

Page 14

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14

PP38+ Pellet Stove

3-90-08422R33_06/13

esP control

status light error Messages
3-blinks:
Indicates that the ESP has gone out of range too

many times. Could be an indicator of build up of ash, etc.

in the flue pipe or heat exchange. Perform a Manual Reset.
4-blinks: Indicates that the room sensor circuit is not

complete. May mean a poor connection or short in the

sensor wire. (Will only occur in "Room Temp" mode.)

Feed adjuster

Sets the maximum feed

rate

Test

Runs all motors at full

speed for one minute

to check operation.

Afterwards, the control

will simulate a minimum

burn and the combustion

blower will remain on low

for draft test convenience.

Distribution Blower

s p e e d a d j u s t m e n t

range.

L = low

H = high

Variable speed anywhere

b e t w e e n L a n d H ;

although as the stove

temp. goes up, so does

the low end of the scale.

Temperature Dial;

Allows you to adjust the

room temperature in

Room Temp Mode using

the outer scale marked

in degrees Fahrenheit. It

also allows you to adjust

the stove temperature

while in Stove Temp

Mode using the inner

scale marked from 1 to 7.

Mode Selector

Allows you to choose

between Room Temp

Mode, Stove Temp Mode,

or OFF. Also allows you

to vary the distribution

blower speed by turning

the knob to the high or

low side of each mode.

Power Light

Indicates power to the

control.

Indicates power to the

feed motor.

Indicates power to the

combustion blower

Status Light

Will be lit in either stove

or room temp mode when

pointer is not within off

position band except after

normal shut down. Blinks

to indicate errors listed

below.

Indicates power to the

distribution blower.

Dealer Diagnostic Port

For dealer maintenance only. Requires special DDM

monitor supplied to Harman Dealers exclusively.

6-blinks: Indicates the control has measured incomplete

combustion ocurring for more than 25 minutes. This error

may be set if the feed system runs out of fuel. Turn the

control to "OFF" and back to the desired mode to resume

operation. If the lack of fuel was not the cause, refer to the

troubleshooting section.

Manual reset: Turn the mode selector to "OFF", and

disconnect power for a second. Restore power and return

to original setting.

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