15
WOODMASTER OUTDOOR FURNACES • OWNER'S MANUAL
1. Add the recommended amount of MolyArmor 350 to the outdoor
furnace.
NOTE: If the system has a larger than normal water capacity, more MolyArmor 350
should be added at a recommended rate of 6 .5 oz . (190 ml) per 10 gallons (37 .8
liters) of system water . One unit (1 gallon or 3 .78 liters) of MolyArmor 350 will treat
200 gallons (757 liters) of system water .
2. Fill the furnace and system using the following instructions.
Filling with Water
NOTE: Other options for filling the system are provided in the Installation and Initial
Water Treatment Guide .
Connect a garden hose between a domestic water supply and the furnace
fill valve (0020-325), which was installed in the cold water return line at a
point just prior to its exiting the building. Make sure that valves not being
used on the furnace are closed and the valves that are being used are open.
Begin filling and inspect for leaks on all fittings. Repair any leaks that are
found.
CAUTION
Feed and return valves that are not being used must be insulated or removed to
prevent freezing and breaking .
If furnace is powered, the water level light on the controller can be used to
aid with filling. Routinely pay attention to the water level light. If the light is
not lit, this indicates that the water level is low and the furnace may need to
have water added. Add water until it flows out of the vent pipe.
CAUTION
Air in the water lines can cause damage to the pump .
Bleeding the System
NOTE: Other options for bleeding air from the system are provided in the Installation
and Initial Water Treatment Guide .
While filling the outdoor furnace, close the cold water return valve on the
furnace for two or three minutes, and then open the valve. This will force
trapped air out of the hot water supply line. Repeat this process with the hot
water supply valve on the furnace to force air out of the cold water return
line. Once both lines have been "bled" continue filling the furnace until the
system is full and water comes out of the vent pipe.
Immediately Heat the System Water to 170˚F (76˚C)
1. Refer to Firing the Furnace to start the outdoor furnace. Bring the water
temperature up to operating temperature (170˚F or 76˚C) for two hours
with the system circulating; then add water to the full mark. Continue to
run the pump and circulate the water for 24 hours.
