Thermostat Control Options; Explanation Of Fault Message Screens - Cumberland Stove Works MF3800 Operator's Manual

thermoStatiC ControL oPeration
The stove has been designed to be run thermostatically
two different ways. There is a built-in thermostat in the
controller, or a remote thermostat can be installed (see
INSTALLING REMOTE THERMOSTAT page 14).
LOCAL T-STAT – The local thermostat is the thermostat
located inside the controller display. To use this mode
press the thermostat button until the following screen is
displayed:
LOCAL TSTAT
The L.E.D. light located in the top right corner of the t-stat
button will illuminate. During normal local thermostat
operation the screen will display (for example) the
following:
STPT 72 TEMP 65
RANgE 3 LEVEL 4
During local thermostat operation the TEMP UP and TEMP
DOWN buttons control the thermostat setpoint.
REMOTE T-STAT – Remote T-STAT mode is chosen by
pressing the T-STAT button until the following screen is
displayed:
REMOTE TSTAT
During this thermostat mode the stove is controlled by a
thermostat that is placed far from the stove. If the stove
is in this mode the screen will display (for example) the
following:
REMOTE * TEMP 72
RANgE 3 LEVEL 4
NOTE: The asterick indicates that the termostat is calling
for heat.
To turn off the thermostat mode press the thermostat button
until the following screen is displayed:
Page 8
NEVER SHUT DOWN YOUR STOVE BY LEAVING THE
HOPPER DOOR OPEN AND UNATTENDED. THIS COULD
CREATE AN UNSAFE CONDITION IF THE DWELLING IS
UNDER NEGATIVE PRESSURE.
TSTAT OFF
This will return the stove to manual operation where the
heat level is controlled by using the Temp Up and Temp
Down buttons.
At anytime during normal operation you may press the
OFF button to safely shut down the stove. IMPORTANT:
NEVER UNPLUG YOUR STOVE WHILE THERE IS FUEL
BURNING IN THE STOVE. The stove is designed to exhaust
smoke through the vacuum created by the combustion fan.
Doing so will cause combustion fan to stop and smoke will
enter the room through air intake holes.

eXPLanation oF FauLt meSSage SCreenS

OVERTEMP RESET
SWITCH
Allow the stove to cool then reset the overtemp switch
located in the back of the unit under the exhaust vent.
See figure 1.
AUgER OVERTEMP
.
RESET SWITCH
Allow the stove to cool then reset the overtemp switch
located on the auger housing. See figure 2.
Note: An overtemp switch will not reset until the stove
has cooled to an acceptable level. To reset the switch you
must manually press in the button located on the switch.
See figures 1 & 2 for switch locations. In the event of an
overtemp you must either select a lower fuel range for
your selected fuel or clean the stove. Cleaning the stove
is necessary to maximize heat transfer from the stove to
the room.
CumberlandStoveWorks.com
INSTALLATION AND OPERATION MANUAL
WARNING
MF3700, MF3800 Models
.
800-345-6007