Penn A421 Series Installation Manual Download Page 14

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APAC

Europe

NA/SA

JOHNSON CONTROLS
C/O CONTROLS PRODUCT
MANAGEMENT
NO. 32 CHANGJIJANG RD NEW
DISTRICT
WUXI JIANGSU PROVINCE 214028
CHINA

JOHNSON CONTROLS
WESTENDHOF 3
45143 ESSEN
GERMANY

JOHNSON CONTROLS
507 E MICHIGAN ST
MILWAUKEE WI 53202
USA

For more contact information, refer to

are subject to change without notice.

www.penncontrols.com

Summary of Contents for A421 Series

Page 1: ...ou de protection en cas de d faillance ou de dysfonctionnement du A421 Control The A421 Series Electronic Temperature Controls are single stage electronic temperature controls with a single pole doubl...

Page 2: ...range of usable values from 40 F to 212 F or 40 C to 100 C See Wiring Technical specifications and refer to the A99B Series Temperature Sensors Product Technical Bulletin LIT 125186 for more informat...

Page 3: ...l ratings Exceeding the electrical ratings can result in permanent damage to the control and void any warranty Important Run all low voltage wiring and cables separate from all high voltage wiring It...

Page 4: ...re for 120 VAC supply power applications Connect the L1 supply power lead for all 208 240 VAC supply power applications 120V Line voltage 120 VAC control power hot Connect the 120 VAC supply power hot...

Page 5: ...On temperature On Select the temperature at which the output relay energizes the LC to LNO relay contacts close cut in and the green LED lights The range of usable temperature values is 40 F to 212 F...

Page 6: ...brightest backlight setting and the system default The selected backlight brightness level is applied to the LCD during normal operation When you enter the programming menus to set up the control or p...

Page 7: ...ave a new value the control reverts to the last saved value After 30 seconds of inactivity while in any screen the control reverts to the Main screen Basic menu Use the Basic menu to quickly edit the...

Page 8: ...tween the On and OFF values the following behavior is enforced The fan relay is On for at least the Minimum Relay On Time Ont during a Cycle Period cP See Figure 8 The fan relay goes Off when the sens...

Page 9: ...Restricted mode prevents casual users from over adjusting the control in your application or from inadvertently changing the mode of operation from cooling to heating or heating to cooling by over adj...

Page 10: ...e See Troubleshooting procedure Cycle power to reset the control SF flashing alternately with SH Shorted temperature sensor or sensor wiring Output functions according to the selected SF mode See Trou...

Page 11: ...with Cycle Timer Type 1 NEMA IP20 standard enclosure for DIN rail and surface mount applications Rated for 120 240 VAC Includes timer for On Off duty cycle control Includes an A99BB 200C temperature s...

Page 12: ...Specification Description Power consumption 1 8 VA maximum Supply power 110 120 or 208 230 240 VAC 50 60 Hz Table 8 A421 Series Electronic Temperature Controls Technical Specifications Specification...

Page 13: ...00 RH condensing Shipping weight 1 4 oz 41 g for 6 1 2 ft 2 m sensor Accessories See Table 7 1 When any A99 Series Temperature Sensor is connected to a standard A421 Control model the range of display...

Page 14: ...SON CONTROLS WESTENDHOF 3 45143 ESSEN GERMANY JOHNSON CONTROLS 507 E MICHIGAN ST MILWAUKEE WI 53202 USA For more contact information refer to www johnsoncontrols com locations 2019 Johnson Controls Al...