Day and Night 350MAV User Manual

Furnace installation flexibility for upflow, downflow, or horizontal orientations with simple drain connection changes.

Features 3-pass primary and flow-through secondary heat exchangers for efficient heat transfer and durability.

Includes diagnostic status indicator, self-test feature, and terminals for easy connection of accessories.

Uses sealed combustion, monoport burners, and allows flexible PVC/ABS venting for efficient and clean operation.

Detailed physical dimensions (A, D, E) of the 350MAV furnace models are provided.

Identification of various connection points including gas, vent, power, and condensate drain on the furnace.

Input/output capacity, AFUE, temperature rise, and static pressure for various models.

Electrical requirements, voltage range, ampacity, wire size, and control system specifications.

Gas valve, connection size, ignition, blower motor HP, RPM, and filter size information.

Additional specifications including input/output ratings, electrical data, and blower details for larger models.

List of dealer-installed options such as conversion kits, base kits, and vent termination kits.

Tables detailing maximum pipe lengths for combustion and vent based on unit size, pipe diameter, and elbow count.

Guidelines for maximum exposed vent pipe lengths considering insulation thickness and ambient temperature.

Required minimum clearances to combustible materials for upflow, downflow, and horizontal furnace installations.

Details on concentric vent adapter part numbers and dimensions for installation.

Information on accessory downflow subbases and filter plenums/racks for furnace installation.

Table showing air delivery (CFM) at various external static pressures for different unit sizes and speeds.

Details on available service training programs, including unit familiarization and hands-on courses.