Honeywell T8621A Operation & User’s Manual

Operation & User’s Manual for Honeywell T8621A Thermostat (8 pages)

Specifications:

445/445438-t8621a.pdf file (15 Sep 2023)
  • Manufacturer: Honeywell
  • Category of Device: Thermostat
  • Document: T8621A, File Type: PDF Operation & User’s Manual
  • Updated: 15-09-2023
  • Count of Pages: 8
Download T8621A Manual (8 pages)

Read PDF Document Online:

Data: UPD 15th September 2023

Honeywell T8621A Thermostat PDF Operation & User’s Manual (Updated: Friday 15th of September 2023 03:25:36 PM)

Rating: 4.9 (rated by 47 users)

Compatible devices: 2450A Series, C, MagicStat T8132, FocusPRO 6000 5-1-1, CT1600, CM737, TB3026B, RTH9585 Wi-Fi.

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Text Version of Honeywell T8621A Thermostat Manual (Summary of Contents)

(Ocr-Read of Honeywell T8621A Document (Main Content), UPD: 15 September 2023)

  • 1, Honeywell T8621A APPLICATION T8621A,C,D, CHRONOTHERM III FUEL SAVER THERMOSTATS These thermostats provide energy saving control for a 24 Vac heating/cooling system as indicated in Table 1, and are powered direct from the control transformer. As long as thermostat is continuously powered, the therm…

  • 3, 3 69-0330—3 Fig. 5—T8621C,D 2-stage heat/2-stage cool thermostat with HEAT-AUTO-COOL-OFF system and AUTO-ON fan switching. For T8621C, delete second cooling stage. Fig. 6—T8621C,D single-stage heat pump thermostats with cooling changeover. HEAT-AUTO-COOL- OFF system and AUTO-ON fa…

  • 7, SYSTEM PRESS LOOK FOR THIS RESPONSE SWITCH THIS KEY KEY POSITION KEY DOWN RELEASED OFF 03 Blank 07 Blank 15 Blank COOL or 15 1st stage cooling, AUTO (with fan and SYSTEM fan in AUTO) LED on. 15 2nd stage cooling also on. 15 2nd stage cooling off. 15 1st stage cooling, fan and SYSTE…

  • 2, 2 Fig. 2—Mounting subbase on wall. Fig. 3—Restrict wiring to recessed area surrounding terminals. WIRING All wiring must comply with local electrical codes and ordinances. Disconnect power before wiring to prevent electrical shock or equipment damage. The shape of the terminal barrier permits …

  • 4, 4 Fig. 8—T8621D 2-stage heat/2-stage cool manual changeover thermostat with auto fan on heat and cool; convertible to auto fan on cool only. HEAT-OFF-COOL system and AUTO-ON fan switching. Fig. 7—T8621C,D single-stage heat pump thermostats with heating changeover. HEAT-AUTO-COOL- OFF system a…

DOC-82a5f832:

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