3 GAS-FIRED WATER BOILER SERIES 2 — Boiler Manual

Install water piping (continued)

Sizing DHW system piping

When using the boiler for dedicated DHW applications, use the circulator supplied with the boiler (007 for Ultra-80/105; 0011 for Ultra-155/230/310) to circulate to the water heater except where higher flow rates may be required for the heater used. Use the following method to select a circulator for the water heater on combined space heating/DHW systems.

1.Figure 5 shows recommended DHW piping, as shown in Figures 7 through 10, pages 15 – 18. All show direct connection of the DHW piping to the boiler because the boiler circulator shuts down during DHW operation.

2.Figure 6 shows the pump curves for suggested DHW

Figure 5 DHW piping (see Table 2 for approxi- mate head losses)

circulators (Taco 007, 0011, 0012, 0013, 0014, B&G PL-36 or equivalent). Use these curves along with boiler pressure drop data from Table 2 to size the DHW piping and circulator. Or you can use Table 2 for a quick-selection method.

3.Table 2 uses the available head from the circulators listed to help you select the right circulator.

a.See Figure 5.

b.H1 is the head loss across the boiler.

c.H2 is the head loss across the DHW piping.

d.H3: Table 2 subtracts H1 and H2 from the available head of the circulator. This gives the maximum value for H3, head loss across the water heater.

4.Procedure to select a circulator using Table 2:

Step 1: From the water heater manufacturer’s data, find:

•Required boiler water flow rate, GPM, at 180°F.

•Pressure drop across the water heater at this flow rate, in feet water column. Step 2: Find your boiler model in Table 2. Select a flow rate in column 1 just

larger than the required flow rate from step 1.

Step 3: The value in column H3 must be larger than the water heater pressure drop from step 1.

Figure 6 Pump curves for typical circulators suggested for DHW loop

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Table 2 Pipe sizing and head losses for DHW applications

(H1=boiler head loss; H2=piping head loss; H3=maximum allowable head loss through water heater based on available head of circulator chosen; i.e., Taco 007, 0011, 0012, 0013 or 0014, or Bell & Gossett PL-36)

Part number 550-100-026/0404

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Ultra electronic 230 & -310, 105, 155 manual Sizing DHW system piping, Required boiler water flow rate, GPM, at 180F
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230 & -310, 105, 155, 80 specifications

Ultra Electronics, a recognized leader in advanced electronic systems, has developed various innovative products catering to different fields, particularly defense, aerospace, and security. Among its notable offerings are the Ultra 230 and demographic models such as the -310, -105, -155, and -80, each designed to meet specific operational requirements and challenges.

The Ultra 230 is renowned for its superior processing capabilities, which leverage high-performance computing to manage complex tasks efficiently. This platform integrates multifaceted technologies like electronic warfare, communications, and sensor data fusion, ensuring that users have real-time information for informed decision-making. The design emphasizes modularity, allowing end-users to customize the system according to their mission profiles.

The Ultra 310 variant extends the functionalities of the 230, providing enhanced connectivity options. Its robust communication interfaces facilitate seamless integration with various networks, ensuring effective data exchange across multiple platforms. This model is particularly effective in joint operations where interoperability is critical among allied forces.

Ultra's -105 model is designed specifically for ground vehicles, offering ruggedness and resilience under harsh conditions. It features advanced environmental protection, allowing it to withstand dust, moisture, and vibration. This makes the -105 ideal for tactical military applications where reliability in diverse terrains is crucial.

The -155 model emphasizes versatility and adaptability, boasting a wide range of components and configurations. This allows for easy upgrades and maintenance, enabling military and defense organizations to stay current with technological advancements without significant investments in new equipment.

Lastly, the Ultra 80 is aimed at the aviation sector, focusing on lightweight design without compromising on power or functionality. It employs cutting-edge materials that enhance performance while reducing overall weight, making it ideal for aerial applications.

In summary, Ultra Electronics' products - the 230, -310, -105, -155, and -80 - showcase a commitment to innovation and operational excellence. Each model brings forth unique features and technologies, ensuring they meet the diverse needs of their users across various industries. From advanced processing capabilities to rugged designs suitable for any environment, Ultra Electronics continues to push the boundaries of technological advancement, maintaining its position as a frontrunner in the electronic systems market.
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