Lennox ComfortSense5500 User manual

User Guide

Color Touchscreen

Programmable Residential

Thermostat

ComfortSense®5500

Model: 13H13

507500-01

10/2015

Supersedes 7/2015

TABLE OF CONTENTS

Features 2...................................

Temperature Dial Indicator 3....................

Home Screen 4...............................

Accessing Mode Screen 9......................

Select Modes 10.............................

Fan Operation 10.............................

Menu 11......................................

Notifications 12...............................

Performance Report 14........................

Edit Schedules 14............................

User Settings 16.............................

Features

The ComfortSense®5500 Series thermostat is an

electronic 7-day, single-stage, programmable,

touchscreen thermostat. Features are:

SLarge, clear color display that shows the

current and set temperatures and time.

SErgonomic design.

SSmooth Set Recovery starts system early to

achieve setpoint at start of program period.

SCompressor short-cycle protection (5

minutes).

SReal-time clock keeps time during power

failures and automatically adjusts for daylight

savings time and leap year.

SProgram hold options allow user to override

the program schedule as desired by time and

date.

SSelect individual days or groups of days to set

programming.

SProgrammable fan offers increased

performance when combined with whole

home indoor air quality products.

Temperature Dial Indicator

2:31 am

heat−to

cool−to

inside

heat/cool

away

72°

78°

ⒸⒷ

Ⓐ

Ⓔ

Ⓓ

Ⓕ

Figure 1. Temperature Dial Feature

A. This is the heating set point indicator on the

dial. This object will be red in color.

B. This is the cooling set point indicator on the

Dial. This object will be blue in color.

C. This is the location where no system demand

will be active. In figure 1, the example would be

any temperature between 73°F and 77°F.

D. When there is an active call for heating, this

area of the dial will fade back and forth from

white to red.

E. When there is an active call for cooling, this

area of the dial will fade back and forth from

white to blue.

F. The yellow line indicates the actual room

temperature on the temperature dial indicator.

Home Screen

2:31 am

heat−to

cool−to

inside

schedule 1

away

62°

76°

Ⓒ

Ⓑ

Ⓘ

Ⓐ

ⒺⒻ

Ⓖ

Ⓗ

Ⓓ

Ⓔ

Ⓕ

waiting

Schedule hold

until 12:30 pm

Figure 2. Home Screen

Touch the screen anywhere - the first touch turns

on the backlight.

A. OPERATING MODES - Touch the screen to

see a list available modes. Selectable modes

are heat/cool, heat only, cool only,

emergency heat, off, schedule 1, schedule

2, and schedule 3. In addition fan operation

can be set to on, auto or circulate.

B. AWAY - Touch the screen here to set the

desired heating and/or cooling mode

temperatures when you will be away from

home.

Touch cancel to exit this screen and return to

the home screen and normal system

operations.

cancel

C. Displays current time.

D. Menu - Touch the screen here to access

notifications, performance report, edit

schedules and settings screens.

E. Touch the heating set point indicator to set

the heat-to (if enabled) temperature. Touching

either the heating set point indicator or

heat-to will display the temperature setting

detail screen (see figure 3). Use the -and +

icons to adjust the temperature setting. The

temperature dial will change from white to red

when heating is active.

F. Touch the cooling set point indicator to set

the cool-to (if enabled) temperature. Touching

either the cooling set point indicator or

cool-to will display the temperature setting

detail screen (see figure 3). The temperature

dial will change from white to red when heating

is active. Use the -and +icons to adjust the

temperature setting. The temperature dial will

change from white to blue when cooling is

active.

Figure 3. Temperature Setting Detail Screen

G. The current indoor temperature is displayed

here.

H. System Status Icons - Equipment operation

information appears along the left side of the

home screen. The displayed icons will indicate

cooling or heating demand, cooling compressor

delay, or cooling demand.

I. This icon and the text that follows it indicate that

the schedule is on hold either until the next

time period or permanently.

1. Place the schedule on hold by touching on

either the heat-to or cool-to location on the

main screen. If an adjustment is required for

the temperature setting, this can be done

now.

2. To continue touch on any blank area of the

screen.

3. From the override setting screen, the

options are 1 hour, 2 hour or Permanent.

Make selection and then touch set.

NOTE: When a permanent hold has been

selected, the thermostat will not return to

the schedule program unit the hold is

released. The screen will display schedule

hold permanent.

4. To exit a permanent schedule hold, touch

the Ⓧ icon

NOTE: For the 1 or 2 hour setting the home

screen will indicate schedule hold until

time indicated (i.e., 11:57 pm).

NOTE: When in any hold status, the mode

status area on the screen will go to the

current status mode. For example, from

schedule 1 to heat/cool.

J. System Status Icons - Equipment operation

information appears along the left side of the

home screen to indicate the current system

status: humidification, transitioning operating

mode, waiting (compressor delay), emergency

heat and transitioning next schedule setting.

Table 1. System Status Icons

Screen Icon Description

The red flame icon is displayed when the system is in heating mode.

The blue flame icon is displayed when the system is cooling mode.

waiting The snow flake icon indicates that the next mode of operation will be cooling. The

words waiting next to the icon indicate that system operation is waiting for the comple

tion of the 5-minute default compressor delay.

+The red flame icon with a plus sign indicates that the system is running in emergency

heat mode.

The schedule icon indicates that the system is transitioning to the next scheduled

temperature setting. This icon will only appear if smooth setback recovery is enabled

during installer setup. When enabled, the system will begin recovery up to two hours

before the programmed time to reach the programmed temperature at the programmed

event time. The system will recover 12°F per hour for gas/electric heating and 6°F per

hour for first-stage compressor-based cooling. When smooth set back recovery is

disabled, the control will start recovery at the programmed time set in the schedule.

Accessing Mode Screen

Touch the screen in the area indicated below to access the mode screen.

2:31 am

heat−to

cool−to

inside

schedule 1

away

72°

78°

Figure 4. Home Screen (Accessing Mode Screen)

SELECT MODES

1. HEAT/COOL allows the thermostat to switch

between heating and cooling automatically.

2. HEAT ONLY allows only heating demand.

3. COOL ONLY allows only cooling demand.

4. OFF indicates system has been turned off.

5. EMERGENCY HEAT allows heat pump

system to use a secondary heat source to

come on and reach the desired user

temperature setting faster.

6. SCHEDULES (1, 2 or 3) See Edit Schedules

on page 14 for customizing schedules).

7. ON, AUTO and CIRCULATE - Three fan

operation modes are available: ON, AUTO

and CIRCULATE. A green check mark

indicates the selected setting.

FAN OPERATION

In the CIRCULATE mode, the user can cycle the

fan for a programmed period of operation each

hour during periods when the heating or cooling

equipment is not running.

Table 2. Fan Operation

Fan is NOT following

the schedule and runs

continuously until it is

changed from the se

lect mode.

auto

Fan will follow the fan

setting in the selected

schedule.

circulate

Fan follows schedule

and cycles during

periods of equipment

inactivity.

Circulate off time is

dependent on user

settings. See page 16

on how to set the

circulate off time.

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