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TOTALINE P/N P474-2150 User Manual

TOTALINE P/N P474-2150
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OWNER'S MANUAL
P/N P474-2150
Programmable
Digital Thermostat
Dual Setpoint
5+1+1 Day Programmable
3 Occupied, 1 Unoccupied
Very Easy to Program
Large, Easy To Read Display
Thermoglow Backlight
No Batteries Required
Auto Changeover
Energy Saving Smart Fan
Locking Keypad
Override Button
1 For All
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & Gas Heating, Heat Pump, Electric or Hydronic Heat.
Both Commercial & Residential
Meets California Title 24
TOTALINE
Replacement Components Division Carrier Corporation 11/98
72
74
70
COOL
HEAT
AUTO
Mo
I2:00
TOTALINE
Optional Locking Cover
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TOTALINE P/N P474-2150 Specifications

General IconGeneral
Stages1 Heat/1 Cool
Programmability7-Day Programmable
DisplayDigital
CompatibilityStandard HVAC systems
Power SourceBattery or Hardwired
Battery2 AA batteries

Summary

Front Panel Overview

Thermostat Display and Indicators

Describes the Liquid Crystal Display and the Heat/Cool indicator lights.

Thermostat Control Buttons

Explains the function of the Mode, Up/Down, and Override buttons.

Thermostat Display Details

Core Display Readouts

Details the thermostat's display of mode, time, day, room temp, and set temp.

System Status Indicators

Explains indicators for Override, Occupied/Unoccupied, Setup, Fan, Locked, and Start/Stop.

Quick Start Guide

Entering Setup Mode

Instructions on how to enter the thermostat's setup screens using Mode and Override buttons.

Setting Clock and Day

Guidance on adjusting the time of day and day of the week using buttons.

Returning to Normal Operation

Steps to exit setup mode and return the thermostat to its normal operating state.

Basic Operation

Selecting Operating Modes

Explains how to select HEAT, COOL, AUTO, PROGRAM ON, and OFF modes.

Adjusting Desired Temperatures

Details how to set desired temperatures for heating and cooling.

Temporary Override Function

How to temporarily override programmed settings for up to 4 hours.

Programming Occupied Periods

Setting Occupied Period Count

Determines the number of occupied periods (1, 2, or 3) to be programmed.

Setting Occupied 1 Setpoints

Adjusting cooling and heating setpoints for the first occupied period.

Setting Unoccupied Setpoints

Adjusting cooling setpoints for unoccupied periods.

Setting Unoccupied Heating Setpoint

Adjusting heating setpoints for unoccupied periods.

Scheduling Occupied Periods (Days)

Selecting which days of the week apply to Occupied period 1.

Scheduling Occupied Periods (Times)

Setting the start and stop times for Occupied period 1.

Enabling/Disabling Occupied Periods

Configuring whether Occupied period 1 runs on a specific day.

Scheduling Saturday Occupied Periods

Setting start/stop times and enabling/disabling for Saturday Occupied 1.

Scheduling Sunday Occupied Periods

Setting start/stop times and enabling/disabling for Sunday Occupied 1.

Exiting Programming Mode

Instructions on how to exit the programming mode.

Programming Notes and Logic

Clarifies rules for skipped periods, setpoint differences, and priority.

Advanced Setup Configuration

Entering Advanced Setup

Procedure to access the advanced setup menu using Mode and Override buttons.

Setting Time and Day

Configuration of the thermostat's current time and day of the week.

Display Blanking Options

Setting the display to be always on or to blank after inactivity.

Fan Operation Settings

Configuring fan operation modes: Fan On or Fan Auto.

Heat Pump and Reversing Valve Settings

Configuration for Heat Pump mode and reversing valve polarity (O or B).

Electric Heat and Deadband Configuration

Enabling/disabling electric heat and setting the deadband for temperature swings.

Minimum Heat/Cool Difference

Setting the minimum temperature difference between heating and cooling setpoints.

Cycles Per Hour Limit

Setting the compressor cycles per hour limit and lockout options.

Display Backlight Control

Options for the display backlight: always on or off after a delay.

Temperature Units Selection

Choosing between Fahrenheit and Centigrade for temperature display.

Exiting Advanced Setup

Procedure to exit setup screens using Mode and Override buttons.

Advanced Setup Parameter Summary

A table summarizing all advanced setup options, descriptions, ranges, and defaults.

Advanced Features and Operation

Clock Backup and Power Loss

How the thermostat maintains time during power outages without batteries.

Two-Stage Heating/Cooling Operation

Explanation of how second stage heating or cooling is activated based on temperature spread.

Minimum Setpoint Difference Enforcement

How the minimum difference between heat and cool setpoints is enforced.

Energy Saving Smart Fan Operation

Details on when the fan runs in Energy Saving Smart Fan mode.

Override Function Explained

In-depth explanation of how the Override function works during occupied/unoccupied periods.

Emergency Heat Activation

How to activate and the behavior of Emergency Heat mode for heat pumps.

Electric Heat Configuration

Enabling electric heat and its effect on fan operation.

Keypad Lock Functionality

How to lock and unlock the thermostat keypad to prevent unauthorized use.

Display Blanking Behavior

Configuration and behavior of the display blanking feature.

Dual Setpoint Behavior Rules

Explains how heat and cool setpoints interact, especially in Auto mode.

Restoring Factory Defaults

Procedure to reset all thermostat settings to their factory default values.

Optional Locking Cover

Information about an optional accessory for physical security.

Product Warranty Information

One-Year Limited Warranty

Details the warranty period, coverage, and exclusions for the thermostat.

Warranty Limitations and Exclusions

Lists limitations, what is not covered, and manufacturer responsibilities.

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