Bryan Boilers 250, Triple-Flex 150, & 300, 200 service manual TRIPLE-FLEX Front View, Boiler Assembly

WARNING:

Improper servicing and start-up of this equipment may create a potential hazard to equipment, operators, or persons in the building.

Only fully trained and qualified personnel should do servicing and start-up.

Date: 8-4-2010

Revision: 0

Form: 2396

2.1.1TRIPLE-FLEX FRONT VIEW

WARNING:

Before disconnecting or opening any fuel line, cleaning or replacing parts of any kind take the following precautions.

Turn OFF the main fuel shutoff valves, including the pilot gas cock if applicable.

Turn OFF all of the electrical disconnects to the burner, boiler and any other equipment or systems electrically interlocked with the burner or boiler.

All cover plates, enclosures, and guards must be in place at all times except during maintenance and servicing.

2.1BOILER ASSEMBLY

The Triple-Flex boiler is a fully integrated assembly consisting of a Metal Fiber Pre-Mix Burner Head and the necessary fittings, valves, and safety devices. The boiler equipment list provided in the boiler manual lists the components supplied for the boiler assembly. Refer to the boiler dimensional for location dimensions. A description of the major components follows. For additional information refer to the manufactures literature provided in the boiler manual.

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Figure 3 Triple-Flex Front View

1.The boiler cabinet door provides easy access to boiler and burner components. This door should remain closed during normal operation to ensure proper flow of air around the boiler flue collector.

2.The boiler supply water connection provides

heated water to the system. This connection is a standard ANSI 150# class 3” flange.

3.The boiler water pressure gauge is 2” diameter and will have a range not less than 1-1/2 nor more than 3-1/2 times the pressure setting of the boiler safety relief valve.

4.The boiler water temperature gauge is 2” diameter and is located so that it will indicate the boiler water temperature at the supply water connection of the boiler.

5.The boiler touch panel display provides a human interface for controlling the boiler. Controlling the boiler with the touch panel display will be explained in section 2.2.

6.The boiler on / off switch will turn on or off the 120 volt ac control voltage for every electrically connected device. This includes