Placing Boiler In Operation - Camus Hydronics MFH060 Installation, Operation And Service Manual

Figure 4
If the boiler is installed above radiation level, it must be provided with a low water cutoff device at the time
of boiler installation. (Available from factory)
To eliminate trapped air, install venting devices at high points in the system as well as in the piping on the
suction of the pump and in the piping on the discharge of the boiler.
Suitable pipe hangers must support the weight of all water and gas piping or floor stands.
o
Do not allow the boiler to run with inlet water temperature below 115°F (46 C).
The boiler must be installed so that the gas ignition system components are protected from water
(dripping, spraying, rain, etc.) During appliance operation and service (circulator replacement, control
replacement, etc.)
11.

PLACING BOILER IN OPERATION

The MicoFlame boiler should be installed and started up by qualified personnel.
With the boiler off, open makeup water valve and allow system to fill slowly. Adjust the pressure regulator
to provide at least 15 PSIG in the system when cold.
With all air vents open, run system circulating pump for a minimum of 30 minutes with the boiler off.
Open all strainers in the circulating system and check for debris.
Check liquid level in expansion tank. With system full of water at 15 PSIG, the level of water in the
expansion tank should not exceed ¼ of the total volume with the balance filled with air.
Start up boiler following instructions provided. Operate entire system including pumps and radiation for at
least 1 hour.
Check water level in expansion tank. If level exceeds ½ of tank volume, air is still trapped in system. Shut
down boiler and continue to run pumps.
Within 3 days of start up, recheck all air vents and expansion tank as described above.
15