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Menu Driven Display 
1 Heat / 1 Cool

Terminal Designations

Specifications

Electrical rating: 

24 Volt AC (18-30 VAC)

1 amp maximum load per terminal (relay outputs)
3 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

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: 

Single-stage gas, oil or electric 

heating/cooling systems and single stage heat pump

Terminations: 

R, W1, Y1, B, O, G, C, IS, OS, H

Other Single Stage 
Heat / Cool Thermostats

9200: 

Mercury-Free Deluxe Mechanical

9600: 

Programmable, 5-2 Day

9610: 

Programmable, 7 Day

9700i:

Deluxe Programmable, 7 Day

9801i:

Humidification, 7 Day

9901i:

Commercial, 7 Day

Shipping Information

Indiv. Ctn. Dim.: 

6.625" x 4.25" x 1.625"

Master Ctn. Qty.: 

6

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.

Optional Sensors: 

REMOTE INDOOR
REMOTE OUTDOOR

Distributed by:

Dehumidity 

Relay

D

PC8900

P374-1100, THERMIDISTAT

1F97-391

THE ROBERTSHAW

REPLACES:

98

5

1

White-Rodgers*

®

9020

i

9025

i

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

.

Feature Comparison

E

G

ELECTRIC

O

OIL

GAS

H

HEAT PUMP

DELUXE 

PROGRAMMABLE

THERMOSTAT

98

5

1

Controls Americas

515 South Promenade Avenue
Corona  California  92879-1736  USA
Tel1 800 951 5526  Fac1 630 260 7299
[email protected]
Technical Service Tel1 800 445 8299
Technical Service Fac1 630 260 7243
[email protected]

www.icca.invensys.com
©2005 Invensys Controls Americas 9/05 - #150-1808B

Robertshaw Honeywell, Inc.

Carrier Corp.

9851i

PC8900

THERMIDISTAT

Manual Override

X

X

X

EEPROM

X

X

X

Compressor Short Cycle Protection

X

X

X

7 Day Programming

X

X

X

Resume

X

X

X

Auto Changeover

X

X

X

Line Powered

X

X

X

Programmable Fan

X

X

X

O & B Terminals

X

X

Partial

˚F and ˚C

X

X

X

Status Indicators

X

X

X

Adjustable Differential

X

X

X

Gas/Electric

X

X

X

Energy Efficient Recovery

X

X

Manual Humidity Control

X

X

X

Automatic Humidity Control
based on Outdoor Temperature

X

X

X

Dehumidity Control

X

X

X

Pre-Set Program

X

X

X

Independent Humidity & Dehumidity Control

X

4 Hour Reserve

X

X

X

Events / day

2, 4

4

4

Hidden Service Level

X

X

X

Remote Outdoor Sensor

X

X

X

Security Key Pad

X

X

X

Vacation Setting

X

X

X

Air Filter Monitor

X

X

X

12 or 24 Hour

X

X

Condensation Control

X

X

Remote Indoor Sensor

X

X

Large Display

X

X

Back Lighting

X

X

Service Interval Reminders

X

5/2 Day Programming

X

Adjustable Residual Cooling

X

1/2 Degree Resolution

X

Menu Driven (Ease of Programming)

X

24 Hr. Programming

X

All marks shown are the property of their respective owners.

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