Wood Master 3300 Installation, Operating And Maintenance Manual - The Furnace
8
Woodmaster Owner’s Manual
August 2012
Woody
Caution!!
Never run the pumps dry!! The furnace must
be full of water and the valves must be open.
Installation
THE FURNACE
1” Cast Iron Pump Flange
Pump
Hooking Up Water Lines
Hot Water Supply
Attach the 1” Pex x 1” MIP fitting (0020-140) to Flange on bottom
of the Pump. Then attach the hot water supply 1” Pex Water Line
(0020-130) to the fitting using 1” Pex Crimp Ring (0020-145).
Cold Water Return
Attach the 1” Pex x 1” MIP (0020-140) fitting to the Cold Water Return
Valve on the same side of the furnace on which the Pump was attached.
Then attach the cold water return 1” Pex Water Line (0020-130) to the
fitting using 1” Pex Crimp Ring (0020-145).
Note:
A 1” male Sharkbite Adapter (0020-510) may be substituted for
the 0020-140 & 0020-145.
Wiring The Pump
Remove the cover on the Pump. Then using an approved wire, connect the
Ground Wire to the Green Ground Screw on the Pump. Connect the Black
Wire to the Yellow Wire on the Pump. Finally, connect the remaining two
White Wires together and replace the Pump Cover.
Locate Junction Box on back of furnace and remove the cover. Connect the
running end of the approved wire coming from the Pump to the Junction.
NOTE:
The Wires from the Pump will have to connect with the Main Power
Wires in the Junction Box along with the Power Wires from the ETC System.
Black Rubber Gasket
(Supplied with pump)
Hot Water Supply Valve
Black Rubber Gasket
(Supplied with pump)
Hot Water Supply
(On back of furnace)
Direction of Flow
Indicator Arrow
Mounting the Pump
Attach the 1” x 2” Black Nipple (0020-250) and one half of the
Flanges from the 1” Cast Iron Pump Flange Kit (0020-368) to one
of the Hot Water Supply Valves on back of furnace.
Locate one of the Black Rubber Gaskets, and place it between the
Pump and the Mounted Flange, bolt the Pump to the Flange. Make
sure the arrow on the pump indicating direction of water flow
points down.
Bolt the remaining Flange and Gasket to the bottom of the Pump.
NOTE:
Make sure that the pump is attached to the supply
line, not the return.
1” Pex Crimp x 1” MIP
(0020-140)
1” Pex Water Line
(0020-130)
1” Pex Crimp Ring
(0020-145)
Caution!!
The pump must run continuously whenever the
Woodmaster Furnace is in use. It cannot be
wired to thermostats that only run the pump
when the building calls for it.
Caution!!
Disconnect power before servicing
any electrical components.
Hot Water
Supply Valves
Cold Water
Return Valves
4400 (pictured)