49
FIGURE 9-1 Condensate Drain Assembly
Model 205 shown (location similar in all sizes)
Pour
approximately
1 cup of water
boiler.
9 - START UP PROCEDURE
9.4 Fill Condensate Trap with Water
WARNING
Asphyxiation hazard! Fill condensate trap before
starting boiler to avoid combustion products escaping
boiler. Failure to follow these instructions could result
in death or serious injury.
!
•
• Visually inspect the siphon to ensure it is full with clean
water.
• During operation check condensate trap to ensure it
draining properly.
Note
at initial start up.
Condensate Drain
•
9-1.
•
in-line with valve.
•
• During initial system air purge open valve connected
to top left of heat exchanger. Open four (4) full turns
counterclockwise until steady stream of water is
witnessed. Close fully turning clockwise with no tools
needed. See Figure 9-1.
• Systems using radiators to remove air - Vent each radiator
in turn, starting with lowest in the system.
• It is IMPORTANT the pump is properly vented to avoid
running it dry and damaging its bearings. Unscrew and
remove cap from center of pump. Use screwdriver. Rotate
exposed spindle about half turn, replace cap.
• Check operation of heating pressure relief valve. Pull lever
on top of valve upwards lifting the seat. This will allow
water to escape from system. Check water is escaping
from the system.
• Open cold water supply inlet valve. Turn on all hot
Operational Features.
9.3 System Start Up
Use drain taps to allow system to completely drain.
Heat
Exchanger
Manual Air
Vent
Circulator
Air Vent
240013360
REV A [07/01/2021]
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