Lennox IHarmony 17A30 Instrucciones de montaje

507826-01 6/2018

Dallas, Texas, USA

iHarmony®Zoning System - Zone Sensor

(17A30)

Installation and Setup Guide

Tables of Contents

Shipping and Packing List ....................................2

Electrical Characteristics ......................................3

Dimensions...........................................................3

Unit Dimensions (H x W x D) .............................................. 3

Wall Plate Dimensions (H x W) ........................................... 3

Installation Guide..................................................3

Installation Considerations.................................................. 3

Unpacking Zone Sensor and Determining Best Location ... 4

Installing Zone Sensor ........................................................ 4

Zone Sensor Terminal Information ...................................... 6

Connecting Zone Sensor Wiring ......................................... 6

Install Zone Sensor to Backplate ........................................ 8

Setup Guide..........................................................8

Apply Power........................................................................ 8

Menu > Advanced Settings ................................................. 8

Installer Checklist ...............................................12

Shipping and Packing List

Item Quantity

Zone sensor with backplate attached 1

Wall plate 1

Mounting screws (M3.5x25mm self-tapping screws) 2

Wall anchors 2

Warranty sheet 1

Installation and setup guide 1

User guide 1

WARNING

Improper installation, adjustment, alteration, ser-

vice or maintenance can cause property damage,

personal injury or loss of life.

Installation and service must be performed by a li-

censed professional HVAC installer (or equivalent)

or a service agency.

The 17A30 Zone Sensor can be used in systems

controlled by any Lennox communicating thermostat.

The 17A30 zone sensor can also be used in

combination with the 10C17 In-Zone thermostat.

CAUTION

This is a 12VDC low-voltage zone sensor. Do not

install on voltages higher than 14VDC.

Electrical Characteristics

All values are at 77°F (25°C). This unit does employ

mis-wire circuit protection.

Table 1. Zone Sensor Power Requirements

Min Nom Max Unit

Input

Voltage

10 12 14 VDC

Input

Current

- 61.5 133 mA

WARNING

Always turn off power at the main power source

by switching the circuit breaker to the OFF

position before installing or removing this zone

sensor.

All wiring must conform to local and national

building and electrical codes and ordinances.

Dimensions

Unit Dimensions (H xW xD)

Dimensions: 3-5/16 x 4-5/16 x 7/8 in. (84 x 110 x

22mm)

Wall Plate Dimensions (H xW)

Dimensions: 4-1/2” x 5-3/4” (114 x 146mm)

Installation Guide

installation ConsiDerations

The 17A30 zone sensor is a 12VDC low-voltage

device and requires a common wire to the damper

control module to operate.

• Shut off all power to system components before

installing zone sensor

• Make sure that all wiring conforms to local

and national building and electrical codes and

ordinances

• Never install the zone sensor on outside walls or

in direct sunlight

UnPaCking Zone sensor anD Determining Best

loCation

This procedure is for either new or relocating a zone

sensor installations.

1. Unpack the zone sensor.

2. Select a location for the zone sensor about 5

feet (1.5 meters) above the oor in an area with

good air circulation at average temperature.

3. Do not install the zone sensor where it can be

affected by:

• Drafts or dead spots behind doors and in

corners

• Building entrances or automatic doors

• Heat generating equipment such as kitchen

appliances

• Hot or cold air from ducts

• Radiant heat from sun or appliances

• Concealed pipes and chimneys

• Non-heated (non-cooled) areas such as an

outside wall behind the zone sensor

installing Zone sensor

IMPORTANT

Installation uses 18 gauge thermostat wire with

a wire run length NOT TO EXCEED 197 feet (60

meters) between damper control module and any

one zone sensor.

Do not run wiring next to high voltage or high

voltage ballast.

Load from any zone sensor connection is 1 AMP

or less.

1. Run thermostat wiring from iHarmony damper

control module to location where zone sensor

will be installed.

2. Drill or make opening through wall for thermostat

wiring 3/4” x 3/4” (19mm x 19mm).

3. Pull about 3 inches (76mm) of thermostat

wire through the opening and removed outer

thermostat wire jacket. This will help in routing

the thermostat wiring to the proper zone sensor

terminals.

4. Seal the hole in the wall with a suitable material

to prevent drafts from entering the zone sensor

case. Not doing so could affect the zone

sensor’s internal temperature and humidity

sensors.

5. Trim 1/4 inch (6 mm) insulation from end of each

thermostat wire lead.

6. Use the provided wall plate as a template on

where to drill the mounting holes.

NOTE: Installation of wall plate is optional. Use

a eld-provided level to allow for proper

alignment.

(Use a level) Align Wall Plate

Use unit wall plate as template to mark desired

mounting hole locations on wall.

7. Drill 3/16” (5 mm) holes in wall for provided wall

anchors. Insert provided wall anchors into drilled

holes.

8. Remove back plate from main zone sensor

assembly using a at-head screw driver.

9. Route wiring from wall through center openings

on wall plate (use is optional) and back plate.

Wall Plate (optional)

Zone Sensor Back Plate

Run thermostat wire

through openings

10. Secure back plate and wall plate (optional) to

wall with the two provided mounting screws.

Wall Plate (optional)

Zone Sensor Back Plate

Screw

Zone sensor terminal information

Table 2. Terminal Designations

PWR D+ D- C

Terminal Purpose

PWR Zone sensor power 12VDC input.

D+ Zone sensor data high.

D- Zone sensor data low.

CZone sensor 12VDC return.

See “Figure 2. Connecting Zone Sensor to Damper Control Module”

on page 7.

ConneCting Zone sensor Wiring

Use “Table 2. Terminal Designations” on page

6for connecting the thermostat wiring to the

back plate terminals.

Figure 1. Backplate

NOTE: Remember to seal the hole in the wall with

a suitable material to prevent drafts from

entering the zone sensor case. Not doing

so could affect the zone sensor’s internal

temperature and humidity sensors.

SENSE 24VAC

PRESSURE SW

C SENSE

DATS

D+

PWR

D-

ZONE 5

D+

PWR

D-

ZONE 2/6

D+

PWR

D-

ZONE 3/7

D+

PWR

D-

ZONE 4/8

1 – 4

5 - 8

Zone Sensor

D-

D+

PWR

NOT USED

Figure 2. Connecting Zone Sensor to Damper

Control Module

Unused wires

Single wire

to terminal “C”.

Damper Control Module

17A30 Zone Sensor

PWR D+ D- C

SENSE 24VAC

PRESSURE SW

C SENSE

DATS

D+

PWR

D-

ZONE 5

D+

PWR

D-

ZONE 2/6

D+

PWR

D-

ZONE 3/7

D+

PWR

D-

ZONE 4/8

1 – 4

5 - 8

Figure 3. Communicating and Low Voltage

Connections

install Zone sensor to BaCkPlate

The zone sensor assembly simply snaps onto the

back plate. Once secure to the back plate apply

power to the system. The zone sensor should boot

up and go into the commissioning process.

Figure 4. Installing Zone Sensor

If power is applied and the zone sensor screen

remains off, inspect and verify all wire connections.

Setup Guide

aPPly PoWer

After power is applied to the zone sensor for the

rst time it will display the Lennox®“splash screen”

and then the zone number selection screen. Set the

address using the plus/minus buttons. Selections

are 2, 3 or 4.

NOTE: Zone 1 is always the thermostat.

zone number

zone 3 +

Figure 5. Zone Selection

CAUTION

When replacing a failed zone sensor, remember to

set the new zone sensor to the same address as

the one being replaced. Also, If an existing zone

sensor has failed and being replaced by a zone

sensor relocated from another zone in the home,

remember to set relocated zone sensor’s address

to match the one that has failed. Not doing so

could contribute to incorrect zone operations and

possible equipment damage.

menU > aDvanCeD settings

This represents the menu icon. Most

procedures will start with menu and with

directions to sub-menus.

Table 3 lists the settings that can be adjusted under

this menu selection

Table 3. Advanced Settings

Menu Selection Setting

Zone

Number

Default value is 2. Minimum value is 2.

Maximum value is 4. Adjustment is made with

either the + or - selection tool..

Reset Resets the zone sensor to factory default

settings. Select Conrm to reset all.

Restart Reboots the zone sensor.

Alert Codes

Table 4. Alert Codes

Error

Code

Message

Type

Condition and

Email Notication

Description

Thermostat Display

Text System Action Action to Clear /

Recovery Condition

542

Critical

Temperature Sensor

Error

Problem (Zoning

Control)

Indoor temp is displayed

as “--” on the home

screen.

inside

Anytime there is a zone

sensor temperature

sensor error or any

zone sensor loses

communication with the

damper control module,

the entire system will go

into central mode.

Error could be due to either a

temperature sensor error or lost

communication between zone

sensor and damper control module.

If problem is due to temperature

sensor issue, then zone sensor

will need to be replace. If sensor

auto corrects itself the alert will

be automatically cleared and

system will return to normal zone

operations.

Error codes 542, 543, 544 and

545 could also be caused by lost

communication with the damper

control module. If this is the case,

most likely an error code 551 is

being displayed at the applicable

zone sensor.

Check wiring between damper

control module and the zone

sensor reporting error code 551.

NOTE: If error is due to lost

communication 551,

error notication 542,

543, 544 and 545 will

only be displayed at the

thermostat.

543 Temperature Sensor

Error

Problem (Zoning

Control)

544 Temperature Sensor

Error

Problem (Zoning

Control)

545 Temperature Sensor

Error

Problem (Zoning

Control)

Table 4. Alert Codes

Error

Code

Message

Type

Condition and

Email Notication

Description

Thermostat Display

Text System Action Action to Clear /

Recovery Condition

546 Critical EEPROM error (Power

ON) Memory error

System will set itself to

energy save mode and

continue to operate.

Zone sensor will have to be

replaced..

547 Critical EEPROM error

(Operating) Memory error

System will operate in

normal mode operation

until power off.

Zone sensor will have to be

replaced.

548 Critical

Hum sensor error

(Without Humidier or

Dehumidier): sensor

reads out of range 0%

to 100%

Humidity sensor error

This message indicates

humidity sensor has

malfunction.

Zone sensor will need to be

replaced or if sensor auto corrects

itself the alert will be automatically

cleared and system will return to

normal operation.

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