Manual do usuário Chromalox PK413-4

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Installation, Operation
4 AR
and
(Supersedes PK413-3) PK413-4
RENEWAL PARTS IDENTIFICATION 161-562791-001
SEPTEMBER, 1995
Type AR-EP Industrial Explosion-Resistant
Thermostat
1
4 /4”
4”
Connect Power
Supply Here
1
8 /4”
1
6 /2”
Connect Load
Here
Dial
3
4 / " 32
Stop
Post
Shaft Shown
In "Off" Position
(Without Calibrated Cap)
9
2 / " 32
21
2 / " 32
17
2 / " 32
Specifications – Table A
Sensing Bulb
Temperature Approx. Capillary Max.
Range Dia. Length Length A.C. Rating
Model (°F) Sty

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GENERAL NOTICE: Type AR-EP controls are designed for temperature con- Process Temperature Differential — is variation in controlled trol service only. Because they do not fail safe, they should not be process temperature between maximum, when thermostat turns used for temperature limiting duty. OFF and minimum, when thermostat turns ON. This spread in WARNING:Users should install adequate back-up temperature may be minimized by — controls and safety devices with their electric 1. Making sure con

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WIRING 7. WARNING:It is possible to replace enclosure cover with adjustment knob 180 rotational degrees out of alignment resulting in large cali- bration errors. To avoid this, carefully follow these procedures. A. Be sure that thermostat shaft is fully counter-clockwise (see Figure 12). With thermostat knob held in the indicated OFF position, carefully replace enclosure cover while feeling for proper engagement of shaft coupling. B. With cover screws replaced and moderately fastened, check for

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200 A CALIBRATION DANGER: Calibration will involve exposure of inter- nal control terminals to ambient conditions during Thermometer some part of the recalibration procedure. Combustible materials which cause hazardous conditions must not be present during recalibra- tion process — otherwise explosion may result. 1. Heat water bath or the equipment in which the control is installed (tank, die, platen or machine) to the selected calibra- tion temperature. The entire sensing bulb and at least one

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RENEWAL PARTS IDENTIFICATION 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-214EP 300-027566-004 169-019604-001 AR-214DEP 300-027566-015 169-019604-001 AR-215EP 300-027566-009 169-019604-001 AR-215AEP 300-027566-007 169-019604-001 AR-219EP 300-027566-002 169-019604-001 AR-219DEP 300-027566-016 169-019604-001 AR-514EP 300-027566-005 169-019604-002 AR-515EP 300-027566-008 169-01960

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Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx. 1347 HEIL QUAKER BLVD., LAVERGNE, TN 37086 Phone: (615) 793-3900 www.chromalox.com