WARNING

Leakage of products of combustion into the living area may result in asphyxiation resulting in injury or death

5.Restore the electrical power to the furnace by turning the switch back on. Adjust the thermostat to call for heating operation.

6.Observe the main burners flames, and respectively. The main burners should be mostly “blue” with possibly a little orange (not yellow) at the tips of the flames. The flames should be in the center of the heat exchanger compartments and not impinging on the heat exchanger surfaces.

7.Observe the flames until the blower starts (there is a normal delay 30 second period until the heat exchanger warms up). There should be no change in the size or shape of the flame. If there is any wavering or blowing of the flame on the blower start-up, it is an indication of a possible leak in the heat exchanger. Turn off the gas valve in the gas line leading to the furnace, and then the main electrical switch to the furnace and call your service agency.

8.Replace the burner access door.

FIGURE 5

START-UP PROCEDURES DECAL

IMPORTANT

These procedures must be followed at ini- tial start-up and at any time power has been removed for 12 hours or longer.

To prevent compressor damage which may result from the presence of liquid refrigerant in the compressor crankcase.

1.Make certain the room thermostat is in the “off” position (the compressor is not to operate).

2.Apply power by closing the system disconnect switch. This energizes the compressor heater which evaporates the liquid refrigerant in the crankcase.

3.Allow 4 hours or 60 minutes per pound of refrigerant in the system as noted on the unit rating plate, whichever is greater.

4.After properly elapsed time, the thermostat may be set to operate the compressor.

5.Except as required for safety while servicing—Do not open system disconnect switch.

7961-061

SECTION 7 • AIR CONDITIONING START UP PROCEDURE CRANKCASE HEATERS FOR NON-SCROLL COMPRESSOR UNITS

Some single and three phase models have an insertion well-type heater located in the lower section of the compressor housing. This is a self-regulating type heater that draws only enough power to maintain the compressor at a safe temperature.

Some form of crankcase heat is essential to prevent liquid refrigerant from migrating to the compressor, causing oil pump out on compressor start-up and possible valve failure due to compressing a liquid.

The decal in Figure 5 is affixed to all outdoor units with crankcase heaters detailing start-up procedures.

This is very important. Please read carefully.

SECTION 8 • VENTILATION OPTION ASSEMBLIES

The standard Barometric Fresh Air Damper (BFAD) allows up to 25% outside fresh air to be introduced to the building whenever the main unit comfort air blower is operating.

The optional Blank Off Plate (BOP) is installed on the inside of the vent option door to cover the air inlet openings which eliminates outside air from entering the unit.

The optional Motorized Fresh Air Damper (MFAD) allows up to 25% outside fresh air to be introduced to the building through a two position damper which can be fully open or closed.

The optional Commercial Room Ventilator (CRV) allows up to 50% outside fresh air to be introduced to the building and includes a built-in exhaust damper. The CRV complies with ASHRAE Standard 62-89 “Ventilation for Acceptable Indoor Air Quality”.

Manual 2100-366 Page 12

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Bard WG-Series installation instructions Ventilation Option Assemblies, START-UP Procedures Decal
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WG-Series specifications

The Bard WG-Series is a notable range of water-source heat pump units, designed to provide efficient heating and cooling solutions tailored to residential and commercial applications. This series stands out for its compact design, energy efficiency, and innovative features that cater to modern demands for sustainability and reliability.

One of the primary characteristics of the Bard WG-Series is its use of advanced heat pump technology. These units harness the energy from water sources, whether it be ponds, lakes, or groundwater, which allows them to operate efficiently year-round. This sustainable approach reduces reliance on traditional fossil fuels, making it a favored choice for environmentally conscious users seeking to lower their carbon footprint.

Key features of the Bard WG-Series include its high-efficiency scroll compressors which enhance the unit's performance by optimizing energy consumption. This technology not only supports efficient heating and cooling cycles but also contributes to quieter operation compared to conventional systems, ensuring comfort within the living or working environment.

Another important aspect of the Bard WG-Series is its ability to provide both heating and cooling in one compact unit. This dual functionality minimizes the need for separate systems, streamlining installation and maintenance processes while also reducing overall system costs. The units are designed with user-friendly interfaces that allow for easy monitoring and management of system performance.

The build quality of the Bard WG-Series is commendable, featuring durable, corrosion-resistant materials that ensure longevity and reliability in various environmental conditions. Enhanced insulation within the units helps maintain temperature consistency, further increasing energy efficiency and comfort levels.

Additionally, Bard has incorporated advanced controls and automation features in the WG-Series that allow users to remotely manage their heating and cooling needs. Integration with smart home systems is possible, providing users with greater convenience and control over their HVAC systems.

Overall, the Bard WG-Series represents a significant advancement in heat pump technology, marrying efficiency with sustainability. Its innovative features cater to contemporary energy demands, making it an excellent choice for those seeking reliable, eco-friendly building solutions. With its combination of performance, user-friendliness, and durability, the Bard WG-Series is poised to meet the heating and cooling needs of a diverse range of applications.
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