Instruction/ maintenance manual of the product PK413-4 Chromalox
Go to page of 6
(Supersedes PK413-3) PK413-4 AR 161-562791-001 SEPTEMBER, 1995 4 and Installation, Operation RENEWAL P ARTS IDENTIFICA TION T ype AR-EP Industrial Explosion-Resistant Thermostat © 2010 Chromalox, Inc. Specifications – T able A 2 / " 17 32 Length (Refer to Specifications — T able A) 2" O.
GENERAL NOTICE: T ype AR-EP controls are designed for temperature con- trol service only . Because they do not fail safe, they should not be used for temperature limiting duty . W ARNING: Users should install adequate back-up controls and safety devices with their electric heating equipment.
1 2 3 4 1 2 3 4 Pilot Light Load Line Single Phase Pilot Light Load Line Single Phase 1 2 3 4 Pilot Light Line Load Load T wo Circuit 4. Remove white shaft coupler for safe-keeping while making wiring connections (see Figure 6). 5. Connect wires according to wiring diagrams (Figures 7 thru 1 1).
CALIBRA TION THERMOST A T SUB ASSEMBL Y REPLACEMENT DANGER: Calibration will involve exposure of inter- nal control terminals to ambient conditions during some part of the recalibration procedure. Combustible materials which cause hazardous conditions must not be present during recalibra- tion process — otherwise explosion may result.
-5- RENEW AL P ARTS IDENTIFICA TION Thermostat Model Sub Assembly Control Knob AR-115EP 300-027566-001 169-019605-002 AR-115AEP 300-027566-014 169-019605-002 AR-115CEP 300-027566-012 169-019605-002 AR.
1347 HEIL QUAKER BL VD., LAVERGNE, TN 37086 Phone: (615) 793-3900 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 PK413-4 (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 PK413-4 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 PK413-4 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chromalox PK413-4 you will learn all the available features of the product, as well as information on its operation. The information that you get Chromalox PK413-4 will certainly help you make a decision on the purchase.
If you already are a holder of Chromalox PK413-4, 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 PK413-4.
However, one of the most important roles played by the user manual is to help in solving problems with Chromalox PK413-4. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chromalox PK413-4 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
