Instruction/ maintenance manual of the product B-22 Berner International
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1 Gas Fired Door Heater Model B-22 and B-24 Installation & Maintenance Instructions BERNER INTERNA TIONAL CORPORA TION New Castle, Pennsylvania 724-658-3551 l 1-800-245-4455 l www .
2 I . DESCRIPTION The Berner Gas-Fired Door Heater is designed to instantly direct a stream of heated air toward a large door opening, when the door is opened in cold weather .
3 cross-sectional area should be at least equal to the sum of the individual vent areas. The outside end of the vent line should either have a weather- proof vent cap or should be directed downward for weather protection. It should also be screened to prevent foreign ma- terial or insect s from entering the line.
4 ( F ) Fan Starter: Although not normally considered a safety device, the fan starter is wired so that its 13-14 interlock powers the control system. Thus the main fan must be energized before the gas system can be pow- ered. This provides one more assurance, in addition to the Airflow Switch, that the fan is operating before heat comes on.
5 TROUBLESHOOTING SYMPT O M S CAUSE F AN WON’T ST A R T 1 ) Selector in “OFF” position 2 ) Check 3-phase line leads for power across all 3 phases (If one line is dead, check fuses or breaker in main disconnect) 3 ) Check fuse on control circuit transformer 4 ) T ry “SUM” setting.
6 TROUBLESHOOTING SYMPT O M S CAUSE F AN OPERA TES, LITTLE 1 ) Check gas pilot manual cock; should be lef t i n open position OR NO PILOT FLAME, A N D 2 ) Check all gas lines for clogging and for purg.
An important point after buying a device Berner International B-22 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Berner International B-22 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Berner International B-22 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Berner International B-22 you will learn all the available features of the product, as well as information on its operation. The information that you get Berner International B-22 will certainly help you make a decision on the purchase.
If you already are a holder of Berner International B-22, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Berner International B-22.
However, one of the most important roles played by the user manual is to help in solving problems with Berner International B-22. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Berner International B-22 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
