Robertshaw RS8110 User manual

RS8110
Installation Manual

Thermostat Applications Guide
This manual covers the following models: RS8110
Battery Power
Hardwire (Common Wire)
Hardwire (Common Wire) with Battery Backup
Description
Gas or Oil Heat Yes
Electric Furnace Yes
Heat Pump (No Aux. or Emergency Heat) Yes
Heat Pump (with Aux. or Emergency Heat) No
Multi-stage Systems No
Heat only Systems Yes
Heat only Systems - Floor or Wall Furnace Yes
Cool Only Systems Yes
Millivolt Yes
Table of Contents Page
Power Type
Installation Tips 2
Thermostat Quick Reference 3
Subbase Installation 4
Wiring 5-12
Technician Setup 13-14
Mounting and Battery Installation 15
Specications 16
A trained, experienced technician must install
this product.
Carefully read these instructions. You could damage
this product or cause a hazardous condition if you fail
to follow these instructions.
INSTALLATION MANUAL
1

Wall locations
Thethermostatshouldbeinstalledapproximately4to5feetabovetheoor.
Select an area with average temperature and good air circulation.
Do not install thermostat in locations:
• Close to hot or cold air ducts
• That are in direct sunlight
• With an outside wall behind the thermostat
• In areas that do not require heating and/or cooling
• Where there are dead spots or drafts (in corners or behind doors)
• Where there might be concealed chimneys or pipes
Tip
Pick an installation location that is easy for the user to access. The temperature of the location should be representative of the
building.
No
No No Yes
INSTALLATION TIPS
2

Getting to know your thermostat
a LCD Display
b Fan Switch
c System Switch
d Temperature Setpoint Buttons
e Easy change battery door
Displays the user selectable
setpoint temperature.
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.
System operation indicators: The
COOL, HEAT or FAN icon will
display when the COOL, HEAT or
FAN is on.
Low Battery Indicator:
Replace batteries when
Indicator is shown.
a LCD
Indicates the current
room temperature.
Cool
HEAT
SYSTEM
FAN
AUTO
ON
Room Set At
COOL OFF
Room Set At
THERMOSTAT QUICK REFERENCE
3

Caution:
Electrical Hazard
Failure to disconnect the power before
beginning to install this product can
cause electrical shock or equipment
damage.
For vertical mount put one
screw top and one screw
bottom.
For horizontal mount put
one screw left and one
screw right.
Mercury Notice:
All of our products are mercury free.
However, if the product you are replacing
contains mercury, dispose of it properly.
Your local waste management authority
can give you instructions on recycling and
proper disposal.
Vertical mount
Horizontal mount
Vertical mount
Horizontal mount
SUBBASE INSTALLATION
4

1 Turn Off Power to Heating/Cooling System
2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached.
Do not remove wallplate yet
Terminal
designation
Circuit breaker
box
Heating/cooling system
power switch
or
WIRING
5

Terminal designation
Wire Labels
3 Label Wires with Tags
Label the wires using the supplied wire labels as you disconnect them.
4 Separate Wallplate from New Thermostat
Remove wallplate from the new thermostat and mount onto wall.
Wiring Labels
Apply these wiring labels to each wire with the appropriate terminal
designation as you remove it from the existing thermostat.
B B Y2 Y2 C C E E F F
G G H H L L O O P P
R R RC RC RH RH T T U U
VNR VNR W W W1 W1 W2 W2 W3 W3
X X X1 X1 X2 X2 Y Y Y1 Y1
AUX AUX
Wallplate
ELEC
GAS
WIRING
6

Drill3/16-in.holesfordrywall
Drill3/16-in.holesforplaster
5 Separate Wallplate from New Thermostat
Mount the new wallplate using the included screws and anchors.
G
E
Y
RH/R
WIRING
7

6 Connect Wires
Simply match wire labels.
If labels do not match letters on the thermostat, check “Alternate Wiring (Conventional Systems)” on page 9
and connect to terminal as shown (see notes, below).
Remove metal jumper
if you have both R and
RC wires
Screw
Insert wires and tighten
screws
WIRING
8