Keep it cool or heat things up This third volume of Audel's HVAC Library gives you a comprehensive, hands-on guide to installing, servicing, and repairing all basic air-conditioning systems in both new and older construction. You'll also find complete coverage of specialized heating units-radiators, radiant heating systems, stoves, fireplaces, heat pumps, and indoor/outdoor pool heaters, plus fans, exhaust systems, air filters, and more. It's what you need to complete your HVAC reference library. * Make accurate calculations for AC system output * Tailor AC systems for older construction * Learn to install and service today's popular electronic air cleaners and filters * Service less common heating systems such as coal-fired furnaces * Install, maintain, and repair humidifiers and dehumidifers * Handle radiators, convectors, and baseboard heating unitsVolume 3: Air Conditioning, Heat Pumps and Distribution Systems James E. Brumbaugh. Table 7-7 ... Typical connection diagrams for two-speed, three- phase motors are illustrated in Figures 7-11 and 7-12. Two-speed ... Fan motors mounted in the airstream are cooled by a portion of the air drawn around them. This acts to hold motor temperatures THREE-PHASE, TWO-SPEED, ONE- WINDING VARIABLE TORQUE T 4 T4 T 5 Ventilation and Exhaust Fans 337 Troubleshooting Fans.
Title | : | AudelHVAC Fundamentals |
Author | : | James E. Brumbaugh |
Publisher | : | John Wiley & Sons - 2004-08-06 |
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