Robertshaw RS8110 User manual

RS8110
Operation Manual

Table of Contents Page
Table of Contents 1
Thermostat Operation 2-3
Thermostat Quick Reference 4-6
Adjusting the Temperature
Differential/Swing 7
Installation Settings 8
Terminal Designations 9
RS8110
Equipment damage hazard.
Do not operate the cooling
system if the outdoor
temperature is below 50°F
(10°C) to prevent possible
compressor damage.
Caution
1

a LCD Display
b Fan Switch
c System Switch
d Temperature Setpoint Buttons
e Easy change battery door
Cool
HEAT
SYSTEM
FAN
AUTO
ON
Room Set At
COOL OFF
THERMOSTAT OPERATION
2

a LCD Display
See page 6 for details about
this display read out.
b Fan Switch
Select ON or AUTO. ON
will run the fan continuously.
AUTO will turn the fan on only
in a call for heating or cooling.
c System Switch
Selects the operation mode
on your HVAC system.
Selecting HEAT turns on
the heat mode. Selecting
COOL turns on the cool
mode. Selecting OFF turns
both heating and cooling off.
d Temperature Setpoint Buttons
Press the + or - buttons to
select the desired room
temperature.
e Easy change battery door
See page 4 for details.
THERMOSTAT OPERATION
3

When the low battery icon appears replace your
2x AAA batteries immediately. Failure to do so may result
in your heating and cooling system becoming inoperable.
Freezing or overheating can occur.
Replace with
2xAAA Alkaline
Batteries. High
quality Alkaline
batteries are
recommended.
Caution:
Battery Door Information
Use the nger bevel on
the lower portion of the
thermostat to open the
easy access battery door.
1.5V AAA 1.5V AAA
THERMOSTAT QUICK REFERENCE
4

The low battery indicator is displayed when the 2x AAA
batteries need to be replaced.
Important
THERMOSTAT QUICK REFERENCE
5

Low Battery
Indicator:
Replace batteries
when indicator is
shown.
NOTE: The compressor
delay feature is active if
these icons are ashing.
The compressor will not
turn on until the 5 minute
delay has elapsed.
The ,
or icon will display
when the COOL, HEAT
or FAN is on.
System Operation
Indicators:
Room Temperature:
Indicates the current
room temperature.
Room Set At
Setpoint Temperature:
Displays the selected
setpoint temperature.
THERMOSTAT QUICK REFERENCE
6

HEAT DIFFERENTIAL OR SWING
Select HEAT with the system switch, hold down the + and - buttons together
for 3 seconds to access the HEAT SWING setting. Use the + or - key to adjust
the swing from ±0.2°F to ±2°F. Wait approximately 15 seconds or slide the
system switch to return to normal operation
COOL DIFFERENTIAL OR SWING
Select COOL with the system switch, hold down the + and - buttons together
for 3 seconds to access the COOL SWING setting. Use the + or - key to
adjust the swing from ±0.2°F to ±2°F. Wait approximately 15 seconds or slide
the system switch to return to normal operation.
7
ADJUSTING THE TEMPERATURE DIFFERENTIAL

Select OFF with the system switch, hold down the + and - buttons together
for 3 seconds to access the CALIBRATION setting. Use the + to adjust the
temperature from -4°F to +4°F.
Then press - to access the F(Fahrenheit) or C(Celsius) setting, use + to
select.
Press - again to access the DELAY selection, the compressor delay will not
allow the compressor to be turned on for 5 minutes after the last time the
compressor was on. Use the + to select ON or OFF (ON: the Y terminals will
turn off for at least 3 minutes). Wait approximately 15 seconds or slide the
system switch to return to normal operation.
INSTALLATION SETTINGS
8

RH ............ 24 VAC (system power supply) HEAT
RC ............ 24 VAC (system power supply) COOL
C............... Common 24 VAC (system power supply)
W.............. HEAT
Y............... COOL
G............... FAN
B............... REV VALVE HEAT
O............... REV VALVE COOL
TERMINAL DESIGNATIONS
9

Customer Service +1.800.304.6563
Technical Service +1.800.445.8299
[e-mail]
www.robertshaw.com • 352-00309-001 6Year
Limited
Warranty
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