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Robertshaw 9870i User Manual

Comfort made easy, Features and benefits

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®

Comfort Made Easy

Menu Driven Display
2 Heat / 2 Cool

Complete Temperature and
Humidification / Dehumidification Control
We’ve combined humidity and temperature control in one
easy-to-install, easy-to-program package. This versatile thermostat
provides control over both humidification and dehumidification. 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 9870i thermostat combines all the award winning features of our
9700i series thermostats with the convenience of humidity control.
When used in conjunction with our 9025i outdoor sensor, the 9870i
minimizes condensation and maintains optimal comfort. We’ve even
added a calibration feature to fine tune the thermostat to the
individual's unique environment.

The 9870i is compatible with most 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.

Integrated Humidity Sensing – Automatically adjusts indoor
humidity levels, prevents condensation and maintains desired
comfort level.

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 or 4 events per day for greater
control of your customer’s comfort.

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.

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.

Adjustable Timed Upstaging – Helps maintain optimal temperature
or energy savings.

Remote Indoor and Outdoor Sensor Capable – For greater control of
indoor comfort and system efficiency.

EER

TM

(Energy Efficient Recovery) – Increases energy savings. EER

TM

allows gradual recovery from setback temperature to minimize use of
auxiliary systems.

Technical service available:

1-800-445-8299

M-F 7:00 a.m. - 5:30 p.m. CST

Homeowner Friendly

TM

H

HEAT PUMP

DELUXE

PROGRAMMABLE

THERMOSTAT

98

7

0

24 VAC POWERED

Bilingual Display Option
Set to your customer’s
unique lifestyle and language–
English or Spanish.

Convenient Displays
View a full day of programming
at once for quick review or
easy adjustment.

Conversational Menus
Take programming step by
step in plain, easy to
understand language.

Contractor ID Feature
Set your name and phone number
to remind customers when
service is needed.

Features and Benefits

PROGRAM
HEAT/COOL
HUMIDITY
DEHUMIDITY

Humidity

Control

Two Year Warranty