Honeywell H7635B manual

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Table of contents for the manual

  • Page 1

    INSTALLATION INSTRUCTIONS 63-2579—3 H7625B; H7635B,C; H7655B Duct-Mount and Outdoor-Mount Humidity/Temperature Sensors APPLICATION The H7625B, H763 5B, H7655B Duct-M ount and H7635C Outdoor-Mount Hu midity/T emperatur e Sensors are universal Relative Humidity transmitters that can be powered with eit her a +18 to 36 Vdc or 24 V ac supply . The se[...]

  • Page 2

    H7625B; H7635B,C ; H7655B DUCT-MOUNT AND OUTDOOR-MOUNT HUMIDITY/T EMPERATURE SENSORS 63-2579—3 2 Outdoor Mounting The H7635C senses out door air h umidity an d temperat ure. Mount this control where it ca n sense average o utdoor air humidity and tempera ture. Norma lly , the north side of a building provid es a suitable locati on. NOTES: — H76[...]

  • Page 3

    H7625B; H7635B,C; H7655B DUCT-MOUNT AND OU TDOOR-MOUNT HUMIDITY/T EMPERATURE SENSORS 3 63-2579—3 WIRING For voltage outpu t, shielded cable (16-22 AWG) should be used. For curren t output, either shiel ded cable or twisted p air (16-22 A WG) can be used. NOTE: Whe n using shielded cable, ground th e shield only at the co ntroller en d (see Fig. 2[...]

  • Page 4

    H7625B; H7635B,C ; H7655B DUCT-MOUNT AND OUTDOOR-MOUNT HUMIDITY/T EMPERATURE SENSORS 63-2579—3 4 Fig. 4. T ypical wiring diagram for 5-wi re temperature /humidity sen sor with Vdc outp ut (used with the XL15 A controller). E GND OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 DI 1 DI 2 DI 3 DI 4 GND GND 24 VAC COM 24 VAC COM 24 VAC 24 VAC 24 VAC [...]

  • Page 5

    H7625B; H7635B,C; H7655B DUCT-MOUNT AND OU TDOOR-MOUNT HUMIDITY/T EMPERATURE SENSORS 5 63-2579—3 CHECKOUT CAUTION Equipment Damag e Hazard. Can short elec tric circui try . • Never connec t 120 V ac to the transduc er . • Connect only DC vol tage to a transdu cer intended for DC supply . NOTE: Use labora tory quali ty meters and g auges for a[...]

  • Page 6

    H7625B; H7635B,C ; H7655B DUCT-MOUNT AND OUTDOOR-MOUNT HUMIDITY/T EMPERATURE SENSORS 63-2579—3 6 APPENDIX RH Test and Configuration DIP Switch Settings (Table 3) IMPORTANT • Only adj ust these s witches f or trouble shooting o r recalibrating th e sensor. (Adjustment is not normally necessary.) • For normal operation, always keep DIP switch 3[...]

  • Page 7

    H7625B; H7635B,C; H7655B DUCT-MOUNT AND OU TDOOR-MOUNT HUMIDITY/T EMPERATURE SENSORS 7 63-2579—3 CALIBRATION All transducers are factory calib rated to me et/exceed published specifications. Field adju st ment should not be necessa ry. IMPORTANT • Do not verify comparative RH with a sling psychrometer. T oo many variables exist which induce err[...]

  • Page 8

    Automation and Cont rol Solutions Honeywell Internatio nal Inc. Honeywell Limited-H oneywell Limitée 1985 Douglas Dr ive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough , Ontario M1V 4 Z9 customer.hone ywell.com ® U.S. Regi stered T rademark © 2005 Hone ywell Internati onal Inc. 63-2579—3 B. B. Rev . 01-05 LonSpec™ is a trademark [...]