Triangle Tube Prestige Solo 250 Instruction Manual

Manual Triangle Tube Prestige Solo 250 Instruction Manual

Triangle Tube Prestige Solo 250 Instruction Manual

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Triangle Tube Prestige Solo 250

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Triangle Tube Prestige Solo 250

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Triangle Tube Prestige Solo 250 Instructions

Here we offer the Triangle Tube Prestige Solo 250 manual completely free and in English. We have cataloged this manual in the Boilers section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Triangle Tube Prestige Solo 250, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Triangle Tube Prestige Solo 250 Boiler Specifications

Model Solo 250
Fuel Type Natural Gas / Propane
Input Capacity (Modulating) 43,600 - 240,000 BTU/hr
Heating Capacity (DOE) 222,000 BTU/hr
Net AHRI Rating 193,000 BTU/hr
Annual Fuel Utilization Efficiency (AFUE) 95%
Shipping Weight 140 lbs / 63.5 kg
Boiler Width 19-3/4” [502 mm]
Boiler Height 36-9/16” [928 mm]
Boiler Depth 17-5/16” [440 mm]
Gas Connection 3/4” NPT
Boiler Supply/Return Connections 1-1/4” NPT
Pressure Relief Valve Connection 3/4” NPSC
Combustion Air Inlet Diameter 3”
Vent Outlet Diameter 3”
Minimum Allowable Flow Rate (at full input) 12 GPM

Triangle Tube Prestige Solo 250 Details

The Triangle Tube Prestige Solo 250 is a high-efficiency condensing boiler designed for versatile heating applications. Central to its operation is the intuitive CTRLMax/ACVMax Boiler Management System. This advanced control offers a graphical display for easy navigation, eliminating the need for complex code charts. Users can access status information, adjust settings through EZ Setup menus, and review lockout history with clear, plain-English messages.

The control system supports two central heating call inputs, each with customizable outdoor reset curves, maximizing efficiency by adjusting boiler water temperature based on external conditions. It also features a Domestic Hot Water (DHW) call input with optional priority, ensuring hot water availability when needed. For larger or more complex setups, the system allows for mixing valve control in dual temperature heating systems and offers a cascade function to operate up to six Prestige Solo boilers as a single integrated unit. A Modbus interface further enables integration with building management systems.

Safety is paramount with the Prestige Solo 250, incorporating several critical features. It includes a factory-installed Low Water Cut Off (LWCO) pressure sensor to prevent operation in low water conditions, automatically shutting down if pressure falls below 7.2 psi. A high boiler temperature limit of 210°F (99°C) provides overheating protection. Additionally, an automatic freeze protection feature activates at 46°F (8°C) and fires the burner at 42°F (6°C) to protect the boiler itself, ceasing at 60°F (15°C).

Installation and owner maintenance are crucial for the unit's longevity and warranty. The boiler is designed for wall mounting using a provided bracket, with specific structural requirements to support its weight. While approved for zero clearance to combustibles (excluding vent and piping), recommended service clearances are 24 inches at the top, front, and bottom, and 6 inches at the sides. Annual inspection and service by a qualified technician are mandatory to ensure optimal performance and system reliability.

Owners are instructed to perform routine checks, including daily inspection of the surrounding area for flammable materials and clear ventilation openings. Monthly tasks involve checking vent and combustion air piping, the pressure relief valve, and the condensate drain system. Every six months, owners should inspect water and gas piping for leaks and verify the proper functioning of carbon monoxide detectors. The condensate drain assembly must remain filled with water to prevent flue gas emissions, requiring periodic inspection and refilling.

Proper system water chemistry is vital, with boiler fluid pH levels needing to be between 6.0 and 8.0 and hardness below 7 grains. The use of petroleum-based cleaning or sealing compounds is strictly prohibited as they can damage seals and gaskets, leading to system failure. The boiler can operate on either natural gas (factory-configured) or propane (conversion kit supplied), with specific orifice requirements for each fuel type. Contaminated combustion air, particularly from chlorine or fluorine compounds, can severely corrode internal components; thus, relocation of the air intake may be necessary in affected environments.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Triangle Tube Prestige Solo 250, and we answer them below.


What kind of fuel does the Triangle Tube Prestige Solo 250 use?
The Prestige Solo 250 is designed to operate on either natural gas (factory-equipped) or propane gas. A propane conversion kit is provided with the unit for easy fuel type adjustment.

What is the purpose of the CTRLMax/ACVMax Boiler Management System?
The system monitors and controls the boiler for efficient heating, featuring a graphical display for easy navigation and detailed status. It includes advanced functions like outdoor reset, DHW priority, mixing valve control, and cascade operation for multiple boilers, as well as a Modbus interface for building management systems.

How often should the Prestige Solo 250 boiler be maintained?
A qualified service technician should perform annual maintenance, preferably at the start of the heating season, to ensure system reliability and warranty compliance. Owners should also perform daily, monthly, and 6-month checks as outlined in the user manual.

What safety features are included in the Prestige Solo 250?
Key safety features include a factory-installed Low Water Cut Off (LWCO) pressure sensor, a high boiler temperature limit (210°F/99°C), and an automatic freeze protection feature. It also mandates the installation of at least two hard-wired carbon monoxide detectors with alarms and battery backup.

Are there any specific requirements for combustion air for the Prestige Solo 250?
Yes, the boiler requires uncontaminated combustion air. It is crucial to avoid areas with chemicals like chlorine or fluorine compounds (e.g., laundry rooms, pool facilities), which can cause severe corrosion. If contamination is likely, the combustion air inlet must be re-piped to a clean outdoor location.

Can the Prestige Solo 250 be installed on a floor?
No, the Prestige Solo 250 is designed for wall mounting using the provided bracket. An optional floor stand is available if floor installation is necessary, but it should not be installed on carpeting.

What are the recommended clearances for servicing the boiler?
While approved for zero clearance to combustibles (excluding vent and piping), recommended clearances for serviceability are 24 inches at the top, 24 inches at the front, 24 inches at the bottom, and 6 inches at the sides. The rear requires 0 inches clearance.

What should I do if I smell gas near the Prestige Solo 250 appliance?
If you smell gas, do not try to light any appliance or touch electrical switches. Immediately call your gas supplier from a neighbor’s phone and follow their instructions. If you cannot reach your gas supplier, call the fire department.

How is the condensate drain system maintained?
The condensate drain assembly should be checked monthly for blockages and ensure it's firmly secured. It must remain filled with water to prevent flue gas emissions; periodically check and refill the water level if needed. A qualified technician should inspect and clean it if issues arise.

What are the requirements for boiler water pH and hardness?
To ensure warranty coverage and optimal performance, the boiler fluid pH level must be maintained between 6.0 and 8.0, and water hardness should be less than 7 grains. Using petroleum-based cleaning compounds is strictly prohibited as they can damage seals and gaskets.

What happens if the system water pressure drops too low?
The Prestige Solo 250 is equipped with a low water cutoff device. If the system pressure drops below 7.2 psi, the unit will shut down. A "Low Water Pressure" warning appears on the display if the pressure falls to 10.1 psi, prompting you to increase system pressure to 14.5 psi.

How does the outdoor reset control function work?
The outdoor reset control optimizes boiler efficiency by automatically reducing the boiler water temperature as the outdoor heating load decreases. This feature requires an outdoor temperature sensor and can be configured with various preset heating curves to suit different system types, such as radiant floor or radiators.

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