Instruction/ maintenance manual of the product PF455-3 Chromalox
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DATE SALES REFERENCE DIVISION SECTION Chromalox ® (Supersedes PF455-2) PF455-3 DH 161-562766-001 FEBRUARY, 2001 4 Chr omalox Electric Air duct Heaters with Fintube Heating Elements © 2010 Chromalox, Inc. GENERAL These heaters are designed to be installed in either a horizontal or vertical duct in one of the six positions shown in figure 16.
GENERAL Limitations: Ductwork must be in accordance with one of the fol- lowing: Standards of the National Fire Protection Association for the installation of Air Conditioning and V entilating Systems of other than Resident T ype (Pamphlet 90A) or Residential T ype W arm Air Heating and Air Conditioning Systems (Pamphlet 90B).
7. Installation in duct larger than heater . For installation where the duct dimensions exceed the insert type heater dimensions, the area beyond the heater dimensions must be filled with wire mesh, expanded or perforated sheet metal of 50% open area as shown in Figure 1 1.
MOUNTING Multiple Duct Heaters: Up to six duct heaters may be combined into a heating bank as shown in Figure 15. When called for on order , brackets will be furnished for fastening flange type duct heaters together to form a bank. Heater will be coded for proper assembly in the field.
Mounting Procedur e — DHIF (Flanged heaters with control box) 1. At heater location, cut out a section of duct, or a new con- struction lay out duct work to accommodate dimensions of heater . 2. Form mounting flanges on cut edges of duct as shown in Figure 17.
WIRING WIRING DIAGRAM RENEW AL P ARTS IDENTIFICA TION 1. Connect heater only to the voltage, frequency and phase spec- ified on the nameplate. 2. All wiring should be done according to local and National Electric Codes. 3. Make supply connections to marked heater terminals using wire suitable for 75°C.
O O O O - O O O - 0 0 H X 0 0 0 W - X 0 0 . 0 0 D - 0 0 0 V 0 0 P - 0 0 0 . 0 kW 000.0kW , (16kW/Ft. 2 MAX.) Phase: 1P = Single Phase’ 3P = Three Phase 0 = Number of circuits 000V = Heater voltage (up thru 600V) 00.00 = Depth of heater frame in inches (06.
2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www .
An important point after buying a device Chromalox PF455-3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Chromalox PF455-3 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 Chromalox PF455-3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chromalox PF455-3 you will learn all the available features of the product, as well as information on its operation. The information that you get Chromalox PF455-3 will certainly help you make a decision on the purchase.
If you already are a holder of Chromalox PF455-3, 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 Chromalox PF455-3.
However, one of the most important roles played by the user manual is to help in solving problems with Chromalox PF455-3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chromalox PF455-3 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