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Robertshaw 300-227 User Manual

Robertshaw 300-227
40 pages
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Installation and Programming
Instructions for
Deluxe Programmable Thermostats
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Robertshaw 300-227 Specifications

General IconGeneral
BrandRobertshaw
Model300-227
CategoryThermostat
LanguageEnglish

Summary

Robertshaw Deluxe Programmable Thermostat Installation and Programming

Thermostat Overview and Features

Introduction to Robertshaw Thermostats

Details the advanced solid-state, microcomputer temperature control and user-friendly operation.

Standard Features of Robertshaw Thermostats

Lists key features like no batteries, solid state circuitry, heat anticipation, fan operation, and override capabilities.

Thermostat Control Interface and Model Specifics

Controls for Models 300-224, 226, 230

Explains the buttons and display for specific Robertshaw thermostat models.

Controls for Models 300-225, 227, 229

Details the buttons and display for specific Robertshaw thermostat models.

Thermostat Location Guidelines

Optimal Thermostat Placement

Instructions on mounting the thermostat on an inside wall in a frequently occupied area.

Locations to Avoid for Thermostat Installation

Lists areas to avoid, such as near doors, sunlight, or air vents, to ensure accurate readings.

Thermostat Installation and Removal

Removing Thermostat from Subbase

Step-by-step guide on how to detach the thermostat unit from its mounting subbase.

Installing Thermostat on Subbase

Details on mounting the subbase and reattaching the thermostat unit securely.

DIP Switch Functions Description

Programming Events per Day (2 or 4 Events)

Configuring the thermostat to use 2 or 4 program periods daily for temperature scheduling.

Smart Fan and Keypad Lock Settings

Explains the Smart Fan feature and how to lock the keypad to prevent unauthorized changes.

Plenum Fan and Heat Pump Switch Settings

Details on setting the plenum fan and configuring for standard or add-on heat pumps.

Thermostat Features and Indicators

LED Indicators and Remote Sensor Functionality

Explains the meaning of LED lights and the use of optional remote sensors for temperature monitoring.

Add-On Heat Pump Operation

How the thermostat enhances add-on heat pump performance and fossil fuel kit functions.

Setting Outdoor Temperature Balance Points

Configuring High and Low Balance Points

Setting outdoor temperature thresholds to lock out auxiliary heat or the compressor.

Cover Lock and Thermostat Replacement

Installing and Using the Cover Lock

Securing the thermostat cover to prevent unauthorized access and how to open it.

Replacing Thermostat on Subbase

Instructions for reattaching the thermostat unit to the subbase after installation or maintenance.

Output Terminal Functions for Model 300-224

Terminal Designations and Functions

Defines the purpose of each terminal connection (RH, W, RC, Y, G, RS1, RS2, RS+V) for model 300-224.

Wiring Diagram for Model 300-225

Diagram for 300-225 System Connections

Illustrates the wiring connections for the 300-225 model with a 24 VAC transformer.

Output Terminal Functions for Model 300-225

Terminal Definitions and Usage

Explains terminal functions (W1, Y1, G, R, 24V, 24V(c), RS1, RS2, RS+V) for model 300-225.

Output Terminal Functions for Model 300-226

Terminal Assignments for 300-226

Details terminal functions (W1, Y1, G, R, 24V, 24V(c), RS1, RS2, RS+V, B, O) for model 300-226.

Output Terminal Functions for Model 300-227

Terminal Explanations for 300-227

Defines terminal functions (W2, Y2, W1, Y1, G, R, 24V, 24V(c), RS1, RS2, RS+V, B, NO, COM, NC) for model 300-227.

Wiring Diagram for Model 300-229

System Wiring for 300-229

Illustrates the wiring connections for the 300-229 model with a 24 VAC transformer.

Output Terminal Functions for Model 300-229

Terminal Usage for 300-229

Explains terminal functions (W2, Y2, W1, Y1, G, R, 24V, 24V(c), RS1, RS2, RS+V, B, NO, COM, NC) for model 300-229.

Wiring Diagram for Model 300-230

300-230 Model Wiring Connections

Shows the wiring diagram for the 300-230 thermostat model with a 24 VAC transformer.

Output Terminal Functions for Model 300-230

Terminal Definitions for 300-230

Defines terminal functions (RC, Y, G, RS1, RS2, RS+V) for model 300-230.

Planning Your Thermostat Schedule

Schedule Planning Worksheet

Worksheet to help set up a specific 2 or 4 program period daily schedule for the thermostat.

Setting Program Times

Entering Program Period Start Times

Step-by-step guide to inputting morning, day, evening, and night start times for each program period.

Copying Program Times to Other Days

Instructions on using the copy function to replicate program times across multiple days.

Temperature Override Options

Temporary Temperature Override (3 Hours)

How to temporarily change the temperature setting for a 3-hour period without affecting the program.

Continuous Override (Hold Function)

Maintaining a constant temperature setting indefinitely by using the HOLD feature.

Changing Temperature Units (Fahrenheit to Celsius)

Changing Time Format (12-Hour to 24-Hour)

Power Failure Handling and Operation

Outdoor Temperature Indicator Functionality

Typical Residential Schedule Example

Weekday and Weekend Schedule Settings

Example temperatures and times for morning, day, evening, and night for typical home use.

Schedule Planning and Timing Recommendations

Worksheet for Customizing Your Schedule

Guidance on using a worksheet to set up a personalized daily program for your thermostat.

Setting Current Time and Weekday Heating Schedules

Setting the Current Day and Time

Step-by-step instructions to correctly set the current day, hour, and minute on the thermostat.

Programming Weekday Heating Times

Entering the desired start times for the morning heating period on weekdays.

Setting Weekend Heating and Cooling Schedules

Setting Weekend Heating Times and Temperatures

Inputting the start times and desired temperatures for weekend heating periods.

Setting Weekday and Weekend Cooling Temperatures

Programming the cooling temperatures for both weekday and weekend periods.

Fine-Tuning Cooling Temperature Settings

Adjusting Cooling Temperatures by Period

Setting desired cooling temperatures for day, evening, and night periods.

Reviewing and Modifying Program Schedules

Reviewing Programmed Schedules

How to cycle through and verify all programmed start times and temperatures.

Changing Scheduled Times and Temperatures

Procedure for modifying existing programmed start times or temperature settings.

Thermostat Specifications

Technical Specifications for Models

Details on rated voltage, current, control range, measurement range, accuracy, and deadband.

Installer Notes for Model 300-224

Transformer Fault Indicator Explanation

Information about the transformer wiring fault indicator and its implications for operation.

Installer Notes for Two Transformer Systems

Resolving Transformer Phase Issues

Guidance on switching secondary wires in two-transformer systems to resolve fault indicator issues.

Warranty Information

Robertshaw Product Warranty Details

Details Robertshaw's two-year limited warranty on workmanship and materials.

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