Robertshaw 300 User Manual

RCBERTSHAW DELUXE PROGRAMMABLE THERMOSTATS
MEET CA TITLE 24 REQUIREMENTS
Robertshaw warrants to the original purchaser that this product
and its component parts will be free from defects in workmanship
and materials for a period of two years from the date of purchase.
Your dealer will provide free replacement of the product upon
proof of purchase.
This warranty does not apply in the event of misuse, abuse or as
a result of unauthorized alterations or repairs. Robertshaw will
not be liable for any consequential damages including, without
limitation, damages resulting from defects, loss of use or misuse.
Robetfshaw
NORTH AMERICA
ROBERTSHAW CONTROLS COMPANY l UNI-LINE NORTH AMERICA l P.O. BOX 2000 l CORONA, CA 91718-2000
PRINTED IN CANADA 1 l/9601 996 Robertshaw COntrOk Company 97255 ALTO1 75A M4416-00 l-898
TABLE OF CONTENTS
INTRODUCTION
...........................................................................................................
4
STANDARD FEATURES
............................................................................................
4-6
THERMOSTAT LOCATION
............................................................................................
7
REMOVING THE THERMOSTAT FROM THE SUBBASE
..............................................
8
DESCRIPTION OF THE DIPSWITCH FUNCTIONS
.................................................
9-11
COVER LOCK
.............................................................................................................
12
REPLACING THE THERMOSTAT ON THE SUBBASE
................................................
12
WIRING DIAGRAMS
..............................................................................................
13-24
PROGRAMMING 7 DAY MODELS
.........................................................................
26-29
PLANNING YOUR SCHEDULE
.................................................................................
25
SETTING THE CURRENT DAYRIME
.......................................................................
26
SETTING YOUR PROGRAM TEMPERATURES
...................................................... .26
SETTING YOUR PROGRAM TIMES
.........................................................................
27
TEMPERATURE OVERRIDE
....................................................................................
28
CHANGING FAHRENHEIT (“F) TO CELSIUS (“C)
....................................................
29
CHANGING 12 HOUR TIME TO 24 HOUR TIME
......................................................
29
Installation & Programming Instructions
for
Deluxe Programmable Thermostats
POWER FAILURES
.................................................................................................
.29
OUTDOOR TEMPERATURE INDICATOR (OPTIONAL)
............................................
29
PROGRAMMING 512 DAY MODELS
..................................................................... .30-34
TYPICAL RESIDENTIAL SCHEDULE
.......................................................................
30
PLANNING YOUR SCHEDULE
.................................................................................
31
SETTING THE CURRENT DAY/TIME
......................................................................
.32
SETTING THE WEEKDAY PROGRAM TIMES AND HEATING TEMPERATURES .a.. 32-33
SEITING THE WEEKEND PROGRAM TIMES AND HEATING TEMPERATURES .......
-33
SETTING THE WEEKDAY AND WEEKEND COOLING TEMPERATURES
..........
33-34
REVIEWING SCHEDULED TIMES AND TEMPERATURES
........................................
35
CHANGING SCHEDULED TIMES AND TEMPRATURES
...........................................
35
SPECIFICATIONS
..................................................................................................
36-37
IMPORTANT INSTALLER’S NOTE
........................................................................
.38-39
IMPORTANT: Read this manual thoroughly to understand all
I----
the features of your deluxe programmable thermostat.
I

Robertshaw 300 Specifications

Power

current per output with surges	4 Amp Max
rated voltage	20-30 Vat, 24 nominal
rated AC current per output with surges	3 Amp Max

Temperature Range

heating temperature range	38” to 88°F
cooling temperature range	60” to 108°F
measurement range	28” to 124°F or 0 to 48°C

Summary

Introduction

Standard Features

Lists the key features and benefits of the thermostat, such as no batteries and solid-state circuitry.

Thermostat Location

Removing the Thermostat from the Subbase

Description of the Dipswitch Functions

2 Events or 4 Events Per Day

Details how to set the thermostat for two or four daily program periods.

Smart Fan

Explains the 'Smart Fan' setting for continuous or cycled fan operation based on program periods.

Keypad Lock

Describes how to enable or disable the keypad lockout feature to prevent unauthorized changes.

Standard/Add-on Heat Pump

Configuration for heat pump systems, affecting compressor and auxiliary heat operation.

Cover Lock

Replacing the Thermostat on the Subbase

Output Terminal Functions – 300-224

Wiring Diagram – 300-224

Output Terminal Functions – 300-225

Output Terminal Functions – 300-226

Wiring Diagram – 300-226

Wiring Diagram – 300-227

Output Terminal Functions – 300-227

Output Terminal Functions – 300-229

Wiring Diagram – 300-229

Wiring Diagram – 300-230

Output Terminal Functions – 300-230

Planning Your Schedule (300-225, 300-227, 300-229)

Setting the Current Day/Time

Setting Your Program Temperatures

Temperature Override

Temporary Override (3 hours)

Details the 3-hour temporary temperature adjustment feature.

Continuous Override (Hold)

Describes the 'Hold' feature for maintaining a constant temperature indefinitely.

Changing Fahrenheit (°F) to Celsius (°C)

Changing 12 Hour Time to 24 Hour Time

Power Failures

Setting the Weekday Program Times and Heating Temperatures

Setting the Weekend Program Times and Heating Temperatures

Setting the Weekday and Weekend Cooling Temperatures

Reviewing Scheduled Times and Temperatures

Specifications (300-224, 230)

Specifications (300-225, 300-226, 300-227, 300-229)

Important Installer's Note for the 300-224

Two Transformer System

Single Transformer

Two Transformers With a Single RH/RC Wire