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DELUXE  
PROGRAMMABLE  
THERMOSTAT  
9
820i  
®
H
HEAT PUMP  
Humidity  
Sensing  
Menu Driven Display  
2
Heat / 2 Cool  
Comfort Made Easy  
Temperature and Humidity Control.  
We’ve combined humidity and temperature control in one  
easy-to-install, easy-to-program package. Your customers will enjoy  
the maximum comfort and energy savings, and you will benefit from  
the time and effort saved by installing a single device that does the  
work of two.  
Our 9800i series thermostats contain all the features and benefits of  
our award-winning 9700i series*, including our simple, menu-driven  
programming that’s similar to a cell phone. Plus, you can set the  
thermostat to maintain optimal comfort and minimize condensation  
TM  
Homeowner Friendly  
(requires optional outdoor sensor 9025i). We’ve even integrated a cali-  
Features and Benefits  
bration feature to help tune the thermostat to your unique environment.  
Bilingual Display Option  
Set to your customer’s  
unique lifestyle and language–  
English or Spanish.  
The 9820i is compatible with all standard 24 Volt AC heat pump  
systems, up to two stage heat and two stage cool. We took the guess  
work out and put simplicity in. It’s programming made easy.  
Conversational Menus  
Take programming step by  
step in plain, easy to  
understand language.  
High/Low Balance Point Control – When connected to the outdoor  
sensor, model 9025i, the thermostat can automatically control first  
and second stage activities with adjustable set points.  
Convenient Displays  
View a full day of programming  
at once for quick review or  
easy adjustment.  
Selectable 2nd Stage Heating (Fossil Fuel Kit) – Choose internal  
auxiliary or a remote heating system.  
Adjustable 1st and 2nd Stage Differential – Maintains optimal  
customer comfort.  
Contractor ID Feature  
Set your name and phone number  
to remind customers when  
service is needed.  
Adjustable Timed Upstaging – Helps maintain optimal temperature  
or energy savings.  
Remote Indoor and Outdoor Sensor Capable – For greater control of  
Integrated Humidity Sensing – Automatically adjusts indoor  
humidity levels, prevents condensation and maintains desired  
comfort level.  
indoor comfort and system efficiency.  
TM  
TM  
EER (Energy Efficient Recovery) – Increases energy savings. EER  
allows gradual recovery from setback temperature to minimize use of  
auxiliary systems.  
Worry-Free Memory Storage – Even during power outages, the  
thermostat maintains setpoint and programmed parameters.  
Fully Programmable – 7 day, 5/2, 5/1/1 or 24 hour  
programming menus.  
Adjustable Events Per Day – 2, 4 or 6 events per day for greater  
control of your customer’s comfort.  
Technical service available:  
1-800-445-8299  
*
The 9800i series currently offers two display options - English or Spanish.  
M-F 7:00 a.m. - 5:30 p.m. CST  
24 VAC POWERED  
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DELUXE  
PROGRAMMABLE  
THERMOSTAT  
9
820i  
®
H
HEAT PUMP  
Menu Driven Display  
2
Heat / 2 Cool  
Terminal Designations  
OS IS  
C
G
Y1  
B
O
R
W2 Y2  
L
H
Auxiliary  
Heating  
Relay  
Remote  
Indoor  
Sensor  
Heat Active  
Reversing  
Valve  
Cool Active  
Reversing  
Valve  
Fan  
Relay  
System  
Malfunction  
(
Stage 2)  
Remote  
Outdoor  
Sensor  
Compressor  
Relay  
(Stage 1)  
Emergency  
Heating  
Relay  
Cooling  
Relay  
(Stage 2)  
2
4 VAC  
24 VAC  
Transformer  
Humidity  
Relay  
Common  
Optional Sensors:  
9
020i REMOTE INDOOR  
9
025i REMOTE OUTDOOR  
THE ROBERTSHAW  
REPLACES:  
Shipping Information  
PC8900  
Indiv. Ctn. Dim.: 6.625" x 4.25" x 1.625"  
Master Ctn. Qty.: 6  
Item 9020i and 9025i Remote Sensors  
Indiv. Ctn. Dim.: 2.625" x 1.5625" x 4.4375"  
Master Ctn. Qty.: 6  
Master Ctn. Dim.: 5.625" x 5.125" x 5.125"  
Master Ctn. Cu. Ft.: .09  
Master Ctn. Wt.: .78 lbs.  
P374-1100, THERMIDISTAT  
Master Ctn. Dim.: 9.25" x 5.625" x 7.5"  
Master Ctn. Cu. Ft.: .23  
Master Ctn. Wt.: 3.5 lbs.  
Max. Pallet Qty.: 1260  
Max. Pallet Wt.: 785 lbs.  
Robertshaw Honeywell, Inc.  
Carrier Corp.  
THERMIDISTAT  
Feature Comparison  
9
820i  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
PC8900  
Manual Override  
EEPROM  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Specifications  
Compressor Short Cycle Protection  
7 Day Programming  
Resume  
Auto Changeover  
Line Powered  
Programmable Fan  
O & B Terminals  
Electrical rating: 24 Volt AC (18-30 VAC)  
1
4
amp maximum load per terminal (relay outputs)  
amp total maximum load (all terminals combined)  
Temperature control range: 45˚- 90˚F (7˚- 32˚C)  
Accuracy: +/-1.0˚F (+/-0.5˚C)  
Power Source: 24 VAC  
Partial  
˚
F and ˚C  
X
X
X
X
X
X
Auto Changeover deadband: Selectable 2˚ to 8˚F  
Temporary temperature override: 3 hour maximum or next setpoint  
Remote sensor capable: 1 indoor and 1 outdoor sensor  
System configurations: Multi-stage heat pumps  
Terminations: R, E, Y1, B, W2, Y2, L, O, G, C, IS, OS, H  
Status Indicators  
Adjustable Differential  
Gas/Electric  
Energy Efficient Recovery  
Manual Humidity Control  
Automatic Humidity Control  
based on Outdoor Temperature  
Pre-Set Program  
X
X
X
X
X
X
X
4
X
X
X
X
X
X
X
X
X
X
4
X
X
X
X
X
Other Multi-Stage  
Heat Pump Thermostats  
4
Hour Reserve  
Events / day  
2, 4, 6  
Hidden Service Level  
Remote Outdoor Sensor  
Security Key Pad  
Vacation Setting  
Air Filter Monitor  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
9720i: Programmable, 7 Day  
9620: Programmable, 7 Day  
9420: Non-Programmable  
12 or 24 Hour  
Condensation Control  
Remote Indoor Sensor  
Large Display  
Back Lighting  
Service Interval Reminders  
X
X
5
/2 Day Programming  
Adjustable Residual Cooling  
/2 Degree Resolution  
Menu Driven (Ease of Programming)  
4 Hr. Programming  
1
2
Climate Controls Americas  
15 South Promenade Avenue  
5
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Corona California 92879-1736 USA  
Telephone +1 800 304 6563 Facsimile +1 800 426 0804  
Outside the USA +1 630 260 3402  
Patents Pending www.icca.invensys.com  
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©2003 Climate Controls Americas 8/03 - #150-1709