Brute MagnaTech BMGH1600, Инструкция по установке и эксплуатации

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Page 68 B
RADFORD
W
HITE
tank drain, and drain to that level.
11. Shut down the entire system and vent
all radiation units and high points in the
system piping, as described in Step 4.
12. Close the make-up water valve. Check the
strainer in the pressure reducing valve for
sediment or debris from the make-up water
line. Reopen the make-up water valve.
13. Check the gauge for correct water
pressure, and also check the water level in
the system. If the height indicated above
the boiler ensures that water is at the
highest point in the circulating loop, then
the system is ready for operation.
14. Refer to local codes and the make-up
water valve manufacturer’s instructions as
to whether the make-up water valve should
be left open or closed.
15. After placing the unit in operation, the
ignition system safety shutoff device must
be tested.
First, shut off the manual gas valve,
and call the unit for heat. The main gas
terminals will be energized, attempting to
light, for five seconds, and then will de-
energize. The unit will go into lockout after
the required number of trial for ignition
periods.
Second, press the manual reset button on
the boiler control, or the user display, open
the manual gas valve and allow the unit to
light. While the unit is operating, close the
manual gas valve and ensure that power to
the main gas valve has been cut.
16. Within three days of start-up, recheck all
air bleeders and the expansion tank as
described in Steps 4 and 8 above.
Note - The installer is responsible for identifying to
the owner/operator the location of all emergency
shutoff devices.
Section 10
INITIAL STARTUP INSTRUCTIONS
10.1 Filling the Boiler System
1. Ensure the system is fully connected.
Close all bleeding devices and open the
make-up water valve. Allow the system to
fill slowly.
2. If a make-up water pump is employed,
adjust the pressure switch on pumping
system to provide a minimum of 12 psi
(81.8 kPa) at the highest point in the
heating loop.
3. If a water pressure regulator is provided
on the make-up water line, adjust the
pressure regulator to provide at least 12
psi (81.8 kPa) at the highest point in the
heating loop.
4. Open any bleeding devices on all radiation
units at the high points in the piping
throughout the system, unless automatic
air bleeders are provided at those points.
Note - There are three air bleeds located on top of
the water manifold.
WARNING
Failure to remove all air from the heat
exchanger could lead to property damage,
severe injury or death.
6. Open all strainers in the circulating system,
check the operation of the flow switch (if
equipped), and check for debris. If debris is
present, clean out the strainers to ensure
proper circulation.
7. Recheck all air bleeders as described in
Step 4.
8. Check the liquid level in the expansion
tank. With the system full of water and
under normal operating pressure, the level
of water in the expansion tank should not
exceed ¼ of the total, with the balance
filled with air.
9. Start up the boiler following the procedure
in this manual. Operate the entire system,
including the pump, boiler, and radiation
units for one hour.
10. Recheck the water level in the expansion
tank. If the water level exceeds ¼ of the
volume of the expansion tank, open the