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WIRED CONTROLLER

HW Thermostat (Part # 53DFS250--HW)

A specially designed thermostat for ceiling--suspended systems that

incorporate 3--speed fan control. These can be used on both

cooling--only and heat pump systems.

S Large, Clear Display with Backlighting—current

temperature, set temperature and time are easy--to--read

and all are displayed on the main screen.

S Menu Driven Programming -- Provides guidance

through the scheduling process, showing only necessary

information and choices on each screen.

S Ability to Select Multiple Days -- allows easy

customizing for unique schedules.

S Real--Time Clock -- keeps time during power failure;

automatically updates for daylight saving time.

S Precise Temperature Control (±1_F) -- reliable,

consistent comfort.

S Multiple OVERRIDE options -- can modify schedule for

a specific period of time (up to 365 days).

S Speedy same--schedule programming -- no need to copy

mulitple days.

S Programmable or non--programmable modes.

S Remote setback input for occupancy sensors or

timeclocks.

S VersaSpeedt fan ramping algorithm and fan reset

algorithm

Fig. 3 – 53DFS250--HW Thermostat

40QAC/38HDR -- 40QAQ/38QR

Carrier 38HDR Product Data

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