OWNER’S MANUAL

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

Pressure Testing Gas Supply Piping System

Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)

1.Disconnect appliance with its appliance main gas valve (control valve) and equip- ment shutoff valve from gas supply pip- ing system. Pressures in excess of 1/2 psig will damage heater regulator.

2.Cap off open end of gas pipe where equipment shutoff valve was connected.

3.Pressurize supply piping system by ei- ther using compressed air or opening main gas valve located on or near gas meter.

4.Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles form- ing show a leak.

5.Correct all leaks at once.

6.Reconnect heater and equipment shutoff valve to gas supply. Check re- connected fittings for leaks.

Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)

1.Close equipment shutoff valve (see Fig- ure 14).

2.Pressurize supply piping system by ei- ther using compressed air or opening main gas valve located on or near gas meter.

3.Check all joints from gas meter to equipment shutoff valve (see Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Pressure Testing Heater Gas Connections

1.Open equipment shutoff valve (see Fig- ure 14).

2.Open main gas valve located on or near gas meter.

3.Make sure control knob of heater is in the OFF position.

4.Check all joints from equipment shutoff valve to control valve (see Figure 15). Apply mixture of liquid soap and wa- ter to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 12 and 13). Check the rest of the internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 13).

8.Replace front panel.

Open

Equipment

Shutoff

Valve

Closed

Figure 14 - Equipment Shutoff Valve

Control Valve Location

Gas Meter

Equipment

Shutoff

Valve

Figure 15 - Checking Gas Joints

104246

11

Page 10 Page 12
Page 11
Image 11
Vanguard Heating VN1800ITB, VN2550ITB Checking GAS Connections, Pressure Testing Gas Supply Piping System
Page 10 Page 12

VN2550ITB, VN1800ITB specifications

The Vanguard Heating VN1800ITB and VN2550ITB are high-efficiency heating solutions designed to cater to the diverse needs of residential and commercial spaces. These units exemplify advanced technology, offering reliable and consistent warmth while prioritizing energy efficiency.

The VN1800ITB model is engineered to deliver a powerful heating capacity of 18,000 BTUs, making it suitable for medium-sized rooms. It boasts a sleek design that allows for seamless integration into various decor styles. One of the standout features of the VN1800ITB is its innovative variable-speed blower, which not only enhances comfort by maintaining even temperatures but also reduces energy consumption. The blower adjusts its speed based on demand, resulting in quieter operation and improved efficiency.

In addition, the VN1800ITB includes a state-of-the-art digital thermostat that enables precise temperature control. Users can easily program heating schedules, leading to further savings on energy bills. The inclusion of a high-quality air filter improves indoor air quality by trapping dust and allergens, making it an ideal choice for households with allergy sufferers.

On the other hand, the VN2550ITB offers an impressive heating capacity of 25,000 BTUs, making it suitable for larger areas. This model incorporates similar advanced features as its counterpart, including the variable-speed blower and digital thermostat. However, it also features enhanced insulation, which minimizes heat loss and increases overall efficiency. The VN2550ITB is equipped with advanced safety features, including overheat protection and a flame rollout switch, ensuring the unit operates safely even in demanding conditions.

Both models utilize cutting-edge combustion technology that maximizes warmth while minimizing emissions. This commitment to environmental responsibility not only helps users meet local regulations but also contributes to a greener planet.

In conclusion, the Vanguard Heating VN1800ITB and VN2550ITB combine performance, efficiency, and safety features in aesthetically pleasing designs. These heating units provide dependable warmth, programmable convenience, and a commitment to indoor air quality, making them a smart investment for those seeking effective heating solutions.
Top Page Image Contents