Robertshaw RS9220 User manual

RS9220
Operation Manual

Table of Contents 1
Thermostat Operation 2-3
Thermostat Quick Reference 4-7
Programming 8-10
Installer Setup Menu 11-15
Terminal Designations 16
DO NOT SWITCH SYSTEM TO
COOL IF THE TEMPERATURE
IS BELOW 50°F (10°C).
THIS CAN DAMAGE THE AIR
CONDITIONING SYSTEM AND
CAUSE PERSONAL INJURY.
Caution
1
RS9220
Table of Contents Page

1
2
3
4
5
LCD Screen Temperature Set-Point Buttons
User ButtonsFan Switch
System Switch
Mon
Room
Set At
SLEEP
Menu
FAN
+1
SYSTEM
ON AUTO COOL OFF HEAT
PM
2
THERMOSTAT OPERATION

1
2
3
4
5
LCD Screen
See page 4 for detailed
information.
Fan Switch
Select ON or AUTO. ON will
run the fan continuously.
AUTO will cycle the fan when
the heating or cooling system
is running.
System Switch
Selects HEAT or COOL for
your HVAC system. Selecting
HEAT turns on the heat
mode. Selecting COOL turns
on the air conditioning mode.
Selecting OFF turns both
heating and cooling off.
Temperature Set-Point
Buttons
Press or to select
the desired temperature.
User Buttons
Use these buttons to set up
programming options.
THERMOSTAT OPERATION
3

Button Options
Programmable Time Periods:
This thermostat has 4 programmable
time periods per day.
Indicates the
current room
temperature.
Displays the user
selected set-point
temperature. Hold: Is displayed
when thermostat
program is
overridden.
Low Battery
Indicator:
Replace batteries
when indicator is
shown.
System Operation
Indicators:
The , or
icon will display
when the COOL,
HEAT, or (fan)
is on.
NOTE: If these
icons are ashing,
there is a 5-minute
delay for compressor
protection.
Tech Set
Next Step Min Com On
Com Delay Heat
Cool Swing
Room
Sun Mon Tue Wed Thu SatFri
Set Time
Run Sched
Set Sched
Hold
Prev Step
Menu
Done WAKE LEAVE RETURN SLEEP
AM
PM
Hold Filter
Set At
+1 +2
4
THERMOSTAT QUICK REFERENCE
Days of the week
and time.

Battery Door Information
Install two
AAA Alkaline
batteries
into battery
compartment.
Be sure to
match positive (+) ends of batteries
with positive (+) battery terminals in
the battery compartment.
Press the lower portion of
the thermostat to open the
easy access battery door.
THERMOSTAT QUICK REFERENCE
5
Caution:
When the battery icon appears, replace the alkaline AAA batteries immediately
to avoid damage to your HVAC system. Freezing or overheating could occur.

Temperature Adjustment (if Using a Program Schedule)
Temporary Adjustment: You may temporarily change the desired
temperature set-point by pressing either or . The temperature
will remain at this set-point until the next programmed WAKE, LEAVE,
RETURN, or SLEEP event. The program schedule will then resume.
Program Schedule Hold: The thermostat will display HOLD and
RUN SCHED on the left of the screen when you press either
or . You may hold the temperature at a xed temperature
set-point and override the program schedule by pressing HOLD.
The thermostat will display HOLD below the temperature set-point
to notify you that the program schedule hold is in effect.
To Return to Programming: Press RUN SCHED to return to the
program schedule.
6
THERMOSTAT QUICK REFERENCE

Filter Change Reminder
The thermostat can be congured to remind you when the air lter
needs to be changed. The lter change reminder can be adjusted
to up to 2000 hours in 50 hour increments.
If the installer congured the thermostat to issue this reminder, FILTER
will be displayed when it is time to change the air lter. When FILTER
is displayed, you should change the air lter and reset the Filter
Change Reminder by holding down the second button from the top
left side of the thermostat for 3 seconds.
Mon
Room
Set At
SLEEP
Menu
FAN
+1
PM
SYSTEM
ON AUTO COOL OFF HEAT
Hold down button for
3 seconds to reset
lter reminder.
THERMOSTAT QUICK REFERENCE
7

Set Time of Day and Day of Week
1. Press the MENU button.
2. Press SET TIME.
3. Day of the week will be ashing. Use or to select the
current day of the week.
4. Press NEXT STEP.
5. The current hour will be ashing. Use or to select the
current hour. Note the correct a.m. or p.m. indicator is selected.
6. Press NEXT STEP.
7. The minutes will be ashing. Use or to select
current minutes.
8. Press DONE when completed.
8
PROGRAMMING

Custom Programming
This thermostat can be congured to have 7 Day or 5+1+1
programming. If 7 Day is selected, all seven days will need to be
programmed individually. If 5+1+1 programming is selected,
Monday–Friday will be programmed together and Saturday and
Sunday will need to be programmed individually. There are four
time periods for each day (WAKE, LEAVE, RETURN, SLEEP).
Follow the steps below to customize your program schedule:
1. Select HEAT or COOL. Note: Heat and cool need to be
programmed separately.
2. Press MENU (If menu does not appear rst, press RUN SCHED).
3. Press SET SCHED. Note: Monday–Friday (or Monday if in
7 Day mode) will be displayed and the WAKE icon is shown.
4. Time will be ashing. Use or to make your time
selection for the WAKE time period for Monday–Friday
(or Monday if in 7 Day mode).
PROGRAMMING
9

10
PROGRAMMING
5. Press NEXT STEP.
6. The set-point temperature will be ashing. Use or to
make your set-point selection for the WAKE time period for
Monday–Friday (or Monday if in 7 Day mode).
7. Press NEXT STEP.
8. Repeat steps 4 through 7 for the LEAVE time period, for the
RETURN time period, and for the SLEEP time period for
Monday–Friday (or Monday if in 7 Day mode).
9. Repeat steps 4 through 8 for the Saturday WAKE, LEAVE, RETURN,
and SLEEP time periods, and then again for the Sunday WAKE,
LEAVE, RETURN, and SLEEP time periods for the 5+1+1 program
schedule, and for each day for the 7-day program schedule.

1. Press MENU.
2. Press and hold TECH SET button for 3 seconds.
3. Configure the installer options as desired using the table.
4. Use or to change settings and the NEW STEP
or PREV STEP to move from one option to another.
Note: Only press DONE when you want to exit the Installer
Setup Options.
INSTALLER SETUP MENU
11

Filter
Change
Reminder
This setting will ash FILT in
the display after the elapsed
run time to remind the user
to change the lter. The OFF
setting will disable this feature.
Next step
Prev step
The lter change reminder can
be adjusted from OFF to 2000
hours in 50 hour increments.
Press the second button from the
top left side of the thermostat to
display the current lter elapsed
run time.
OFF
Room
Temperature
Calibration
This setting allows the installer
to change the calibration of
the room temperature display
so that, for example, the
thermostat would read 72°F
instead of 70°F.
Next step
Prev step
The room temperature display
can be adjusted to read up to
3° above or below the factory
calibrated temperature.
0
Minimum
Compressor
On-Time
The installer can select the
minimum run time for the
compressor to help protect the
compressor from short-cycling.
Next step
Prev step
The minimum compressor run
time can be adjusted from OFF
to 3, 4, or 5 minutes. If 3, 4, or 5
is selected, the compressor will
run for at least the selected time
before turning off (although the
fan may continue to run for a
short time).
OFF
Settings Display Adjustment Options Default
INSTALLER SETUP MENU
12

Settings Display Adjustment Options Default
Compressor
Short Cycle
Delay
The compressor short cycle
delay setting will not allow the
compressor to be turned on
for 5 minutes after it was last
turned off in order to protect the
compressor.
Next step
Prev step
The compressor short cycle
delay setting can be removed
by selecting OFF. ON
Cooling
Differential
The cooling differential is factory
preset at 0.5°. This means that
whenever the room temperature
heats by 0.5° full degree from
the temperature setting, the
cooling system will turn on. If
the cooling system turns on too
often, increase the temperature
differential.
Next step
Prev step
The cooling differential
setting is adjustable from
0.2°F to 2°F. 0.5
Heating
Differential
The heating differential is factory
preset at 0.4°. This means that
whenever the room temperature
cools by 0.4° from the temperature
setting, the heating system will turn
on. If the heating system turns on
too often, increase the temperature
differential.
Next step
Prev step
The heating differential
setting is adjustable from
0.2°F to 2°F. 0.4
INSTALLER SETUP MENU
13

Settings Display Adjustment Options Default
For C
Select F for Fahrenheit
temperature display or
select C for Celsius display.
Next step
Prev step
F for Fahrenheit
C for Celsius
F
12 or 24
Hour Clock
Select a 12 or 24 hour clock
setting.
Next step
Prev step
Use and to
select 12 or 24 hour clock. 12
Fan
Operation
Select GAS or ELEC depending
on the type of furnace.
Next step
Prev step
GAS - GS
or
ELEC - EL
GAS
INSTALLER SETUP MENU
14

INSTALLER SETUP MENU
15
Settings Display Adjustment Options Default
Program
Options
This thermostat can be
congured to have 7 Day,
5+1+1 programming or be
non-programmable.
If 7 Day is selected, in Set Time
all seven days will need to be
programmed individually.
If 5+1+1 programming is
selected, in Set Time Monday–
Friday will be programmed
together and Saturday and
Sunday will need to be
programmed individually.
If 0d is selected, the thermostat
becomes non-programmable.
Next step
Prev step
Use and to select
7d for 7 Day, 5d for 5+1 +1, or Od
for non-programmable.
5d

RH ..............24VAC HEAT
RC ..............24VAC COOL
C.................24VAC COMMON if applicable
W................FIRST STAGE HEAT
W2 ..............SECOND STAGE HEAT
Y.................FIRST STAGE COOL
Y2 ...............SECOND STAGE COOL
G.................FAN
B.................HEAT ACTIVATED REVERSING VALVE
O.................COOL ACTIVATED REVERSING VALVE
TERMINAL DESIGNATIONS
16

Customer Service +1.800.304.6563
Technical Service +1.800.445.8299
[e-mail]
www.robertshaw.com • 352-00301-001 6Year
Limited
Warranty
Use Phone
to Scan for
Warranty Info
352-00313-001 Rev. B
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