Quadrafire Programable Thermostat for Pellet Stoves
Programable thermostat for pellet stoves. 5 day/2 day programmable part number Wall-Stat-P
NOTE-NOT FOR THE MT VERNON AE PELLET STOVE
Thermostat is an OEM part and manufactured for Quadrafire by Honeywell can be used to replace older model Quadrafire 811-0520 programmable thermostat
Works with Castile stove and insert, Santa Fe stove and insert, CB1200 stove and insert, MTV E2 stove and insert.
It is also possible to add this programable thermostat to Harman Pellet stoves using the procedure below:
Adding a programmable set back thermostat for all Harman Pellet Stoves
Thermostat must be:
1) Millivolt compatible
2) Gold Contacts
3) Low Voltage
4) Low current
QUADRAFIRE PROGRAMABLE THERMOSTAT MAY BE USED AND MEETS THE REQUIREMENTS
Note: If there is a jumper between Rh and Rc it must be removed from the thermostat’s terminal block. Use
minimum 2- conductor 24 gauge twisted pair wire to connect the thermostat.
Connect the thermostat in series with the room sensing probe using the Rh and W terminals on the
thermostat. (See Fig. 1) The set back thermostat must be used in conjunction with the room sensing probe
(except the P38).
In occupied mode program the thermostat to its maximum temperature setting. (i.e. 82 Deg. F) The stove’s
room sensing probe will control the room temperature. Set the stove’s temperature dial to the desired room
temperature. (i.e. 72 Deg. F)
In unoccupied mode program the thermostat to the desired set back temperature. (i.e. 60 Deg. F) When the
thermostat opens (is satisfied) the stove will go into a 4-blink status. If the stove is an auto ignite stove and
the auto-manual switch is in auto mode the stove will shut down. When the thermostat closes (calls for heat)
the 4-blink status will automatically reset and the stove will ignite.
If the stove is a manual ignite stove or an auto ignite stove with the auto-manual switch in manual mode, the
stove will go into a 4-blink status when the thermostat opens (is satisfied) and the stove will go to a
minimum burn and stay there until the thermostat closes (calls for heat). When the thermostat closes (calls
for heat) the 4-blink status will reset automatically.
Note: A 4-Blink status is described in the owner’s manual. The status light on the stove will blink 4 times,
pause, and blink 4 times continually. This error code is the board recognizing that the room sensing probe is
not connected or has failed. Breaking one leg of the room sensing probe wiring with the thermostat, as we
are doing here, causes the 4-blink status. This error automatically resets when the board recognizes the room
sensing probe has been reconnected.
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