Robertshaw RS9220 User manual

RS9220
Installation Manual

Thermostat System Types
Table of Contents Page
Thank you for purchasing a Robertshaw®thermostat.
This manual will describe how to install and test the Robertshaw RS9220 thermostat.
Power Options
Battery Power
Hardwire (Common Wire)
Gas, Oil, or Electric Heat with Air Conditioning
Heat Pumps (without auxiliary or emergency heat)
Multi-Stage Systems
Heat-Only, including for Floor and Wall-Furnace
Cool-Only
750 Millivolt Heating Systems
Installation Location 2
Thermostat Quick Reference 3
Wallplate Installation 4
Wiring 5-12
Installer Setup Menu 13-17
Mounting & Battery Installation 18
Programming 19-22
Specications 23
IMPORTANT SAFETY INFORMATION
WARNING:
• Always turn off power at the main power
source by unscrewing fuse or switching
circuit breaker to the off position before
installing, removing, cleaning, or servicing
thermostat.
• Read all of the information in this manual
before installing or programming this
thermostat.
• This is a 24V AC low voltage thermostat. Do
not install on voltages higher than 30V AC.
• All wiring must conform to local and national
building and electrical codes and ordinances.
• Do not short (jumper) across terminals on
the gas valve or at the system control to test
installation. This will damage the thermostat
and void the warranty.
INSTALLATION MANUAL
1

Install the thermostat 4 to 5 feet above the oor in an area with good
air circulation and average temperature.
For new installations, mount thermostat on an inside wall, 4-5 feet
above the oor. Do not install the thermostat in the following locations:
• Behind a Door
• In a Corner
• Near Air Vents
• In Direct Sunlight
• With an Outside Wall Behind the Thermostat
• Near any Heat or Steam Generating Fixtures
• Near any Concealed Pipes or Chimneys
Installation at these locations will affect thermostat operation.
2
INSTALLATION LOCATION

Getting to know your thermostat
Mon
Room
Menu
Set At
SLEEP
LCD Screen
Fan Switch
System Switch
Temperature Set-Point Buttons
User Buttons
Easy Change Battery Door
Tech Set
Sun Mon Tue Wed Thu Fri Sat
Next Step
Min Com On
Com DelayHeat
Set Time
Run Sched
Set Sched
Hold
Prev Step
Menu
Done WAKE
Cool Swing
Room
LEAVE RETURN
Hold
SLEEP
Filter
Displays the user
selected set-point
temperature.
Days of the week
and time.
Indicates the current
room temperature.
Programmable Time Periods:
This thermostat has 4
programmable time periods
per day.
Button Options
LCD
Hold: Is displayed
when thermostat
program is
overridden.
Low Battery
Indicator:
Replace batteries
when indicator is
shown.
NOTE: If
these icons are
ashing, there is
a 5-minute delay
for compressor
protection.
System
Operation
Indicators:
The
AM
PM
Set At
,
AM
PM
Set At
or
AM
PM
Set At
icon will display
when the COOL,
HEAT, or
AM
PM
Set At
(fan)
is on.
COOL OFF
ON AUTO
FAN
HEAT
SYSTEM
1
1
4
2
3
5
6
Set At
PM
AM
THERMOSTAT QUICK REFERENCE
3

Mercury Notice:
This product is mercury-free. However,
if this product is replacing a control
which contains mercury, it needs to
be disposed of properly. Contact your
local waste management authority for
instructions regarding recycling and
proper disposal of the control.
Caution:
Electrical Hazard
Disconnect power before installing
this product. Failure to do so can
cause electric shock or equipment
damage.
For a vertical mount,
put screws on the top
and bottom.
For a horizontal mount,
put screws on the left
and the right.
Vertical mount
Vertical mount
Horizontal mount
Horizontal mount
4
WALLPLATE INSTALLATION

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

3 Label Wires with Tags
Label the wires using the supplied wire labels
as you disconnect them.
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
V/VR V/VR W W W1 W1 W2 W2 W3 W3
X X X1 X1 X2 X2 Y Y Y1 Y1
AUX AUX
4 Separate Wallplate from
New Thermostat
Remove wallplate from the new thermostat
and mount onto wall.
Wallplate
Wire Labels
Terminal designation
ELEC
GAS
6
WIRING

5 Mount Wallplate for New Thermostat
Mount the new wallplate using the included screws and anchors.
Drill 3/16-in. holes for drywall
Drill 3/16-in. holes for plaster
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).
Screw
Insert wires and
tighten screws
Remove metal
jumper if you
have both RH
and Rc wires
8
WIRING