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Figure 1: Sample Completed HVAC System Design Review Form – Manual J. 30 Based on the heating output and temperature rise (TR) limitations the airflow
When a parallel flow arrangement is used, dampers or other means used to control airflow must be ade- quate to prevent chilled air from entering the furnace. If
furnaces. They must also have training and experience necessary to install related comfort air conditioning appliances. Improper installation could create a hazard,
Manual and Section 26, “Maintaining Furnace In Good. Working Order” in this circulation, and could cause excessive air temperature rise through furnace.
Direct Vent Air Intake Connection and Vent Connection . . . . . . 26. Combustion Airflow Path Through The Furnace Casing . . . . . . 27. Outside and Ambient
Air openings provided in the furnace casing must be kept free of obstructions which restrict the flow of air. Airflow restrictions affect the efficiency and safe operation
3 Jul 2014 –
This manual contains all necessary instructions, information, hints and during installation and operation of HVAC equipment and control systems. 5.10 Installation and connecting of the hot water air heater (optional accessory) . set of the hot water heater, the heating system must be fitted with a circulation pump of.
Disconnect all electric power to the indoor air handler or furnace before removing Efficient operation of your outdoor unit requires the free flow of air over theB149 Installation Codes and these instructions. De- It is recommended that Manual J of the Air Condition- Furnaces must have a free flow of air for proper.