Bard F1925 2.9CONTROL CIRCUIT, 3.0HEAT OPTIONS Select One 3.1None, 3.2Electric Heat, Economizer

2.9CONTROL CIRCUIT

The internal control circuit shall consist of a current limiting 24VAC type 65VA transformer with 4A circuit breaker. Compressor Control Module is standard and includes: Built-in-off-delay timer, adjustable from 30 seconds to 5 minutes; 2 minute on delay- if power is interrupted; 120 second low-pressure bypass; and manual lockouts for high and low pressure controls; alarm output for alarm relay.

3.0HEAT OPTIONS (Select One)

3.1None

3.2Electric Heat

The unit shall have a factory installed electric resistance heater available that is designed specifically for application in the WA Series air conditioner. Heater shall include automatic limit safety controls.

4.0VENTILATION OPTIONS (Select One)

WA models are designed to provide optional ventilation packages to meet all of your ventilation and indoor air quality requirements. All ventilation packages are factory or field installed, and easily removable for service.

4.1 BLANK OFF PLATE OPTIONAL

A blank off plate covers the air inlet openings that restrict any outside air from entering the unit. The blank off plate should be utilized in applications where outside air is not required to be mixed with the conditioned air.

4.2 Economizer OPTIONAL

The built-in economizer system shall be internally mounted and allows outside air, to be introduced through the air inlet openings. The amount of outdoor air varies in response to the system, controls and settings. The economizer module shall be factory or field installed into the ventilation section. The economizer module shall be easily removed for service, or easily added after equipment installation.

The economizer is designed to provide “free cooling” when the outside air temperature is cool and dry enough to provide needed cooling without compressor operation. Standard features of the economizer module:

•One Piece Construction - Easy to install with no mechanical linkage adjustment required.

F1925 (2010 08) Page 3 of 5