Honeywell TH5220D Non-Programmable Digital Thermostat Installation Guide
Installation Guide
Power options & mounting
AC Power
The thermostat can be powered by 24
VAC power, or by batteries.
To wire the thermostat for AC power,
connect the common side of the cool-
ing transformer to the“C”terminal as
shown at left.
Connect common
side of transformer
to “C” terminal
Jumper
Important:
Remove R/Rc jumper for
2-transformer systems only. (See wiring
diagram on page 5.)
Battery Power
The thermostat can be powered by
batteries alone or, if used with AC
power, can provide backup power to
the display during power interruptions.
After installation, batteries can be
changed without removing the ther-
mostat from the wall (see page 15).
Install batteries in back of thermostat
(optional if AC powered).
To Mount Thermostat
Align the 4 tabs on the wallplate with
corresponding slots on the back of the
thermostat, then push gently until the
thermostat snaps in place.
10
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell TH5220D Non-Programmable Digital Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.58 MB |

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