Honeywell RTH2520B Support Question
Honeywell RTH2520B Support Question
Find answers below for this question about Honeywell RTH2520B.Need a Honeywell RTH2520B manual? We have 1 online manual for this item!
Question posted by Gshellenbergar on August 15th, 2015
Honeywell Rth2520b Display Not Working
the display screen is blank. I changed the batteries and the fan turns on with the switch but the display screen is blank
Current Answers
Answer #1: Posted by TommyKervz on September 2nd, 2015 6:45 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
See possible reasons here: http://homeguides.sfgate.com/reasons-blank-screen-honeywell-thermostat-87369.html
Related Honeywell RTH2520B Manual Pages
Owner's Manual - Page 1
... signal Cooling signal Fan
Wire labels Rh, R, 4, V
Rc, R W, W1, H Y, Y1, M
G, F
Note: Do not connect wires identified as C, X or B. Installation
2.1 Removing the Old Thermostat
IN ORDER TO ... thermostat to the following table for matching the wire labels with electrical tape. In this case, this thermostat cannot be removed in °F or °C
• Backlit display • Battery ...
Owner's Manual - Page 2
... the baseplate and the batteries are holding the thermostat. HG
Leave the jumper in automatic mode (see section 5.1).
2.6 Completing the Installation
Jumper Heat relay Cool relay Fan relay
2.3.6 5-wire Heating and Cooling
Fan relay
Heat relay
Cool relay
Note: Remove the red jumper wire between terminals Rc and Rh.
will display the ambient temperature.
By...
Owner's Manual - Page 3
... is On, the thermostat automatically switches to daylight savings time on the second Sunday of the played.
However, the temperature and program settings are removed.
4. Afterwards the thermostat will be running even after the batteries are saved and do not need to be re-entered. Configuration Menu
DISPLAY
DESCRIPTION
DEFAULT
OPTIONS
Temperature display
°F
°C or...
Owner's Manual - Page 4
...thermostat is displayed. Customer Care will not work if you have other rights which vary from state to use and service, for the displayed
period using the buttons. Press [ P# ] to go to you . In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell...You can have any questions concerning this product, excluding battery, to be sent to you can set the ...
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