PBX 24 Series
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How to Order a PBX 24 Series
1. Determine the maximum volume of make-up air required. NFPA 496 specifies a minimum of 60 feet per minute across the door and other room openings. The same velocity is also suggested for preventing dust infiltration.
2. Select desired control housing of NEMA 2 (Drip-proof) or NEMA 7 (Explosion-proof).
3. Specify make-up air duct flange, air discharge direction, side for pressure blower installation, and power required.
4. Determine cooling and (optional) heating requirements. To request computerized load calculations of the PB(X) 24, use Technical Support Bulletin HVLO1FRM.
5. For explosion-proof PB(X) 24 models, determine the hazard classification, e.g., NEC Class I, Group D, Division 2.
6. Using the order numbers, select the required PB(X) 24 base model and options.
7. Contact the company sales engineering department for additional technical or price information on the PB(X) 24 series.
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Confidentiality Notice
This drawing and information contained herein are the exclusive property of Scientific System LLC and shall be returned upon demand and shall not be reproduced in whole or in part, disclosed to anyone else or used, without written consent of Scientific Systems LLC.