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Lennox iHarmony 17A30, Installation And Setup Manual

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Lennox iHarmony 17A30 Installation And Setup Manual Download Page 9

9

Alert Codes

Table 4. Alert Codes

Error 

Code

Message 

Type

Condition and 

Email Notification 

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

0

1

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 notification 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)

Summary of Contents for iHarmony 17A30

Page 1: ...507826 01 6 2018 Lennox Industries Inc Dallas Texas USA iHarmony Zoning System Zone Sensor 17A30 Installation and Setup Guide ...

Page 2: ... 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...

Page 3: ...sensor All wiring must conform to local and national building and electrical codes and ordinances Dimensions Unit Dimensions H x W x D Dimensions 3 5 16 x 4 5 16 x 7 8 in 84 x 110 x 22mm Wall Plate Dimensions H x W 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 ...

Page 4: ...lling 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 inst...

Page 5: ...evel 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 flat head screw driver 9 Route wiring from wall through center openings on wall plate use is optional and back plate Wall Plate optio...

Page 6: ...igh D Zone sensor data low C Zone 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 ca...

Page 7: ...ntrol Module 17A30 Zone Sensor PWR D D C SENSE 24VAC PRESSURE SW C SENSE DATS D PWR D C ZONE 5 D PWR D C ZONE 2 6 D PWR D C ZONE 3 7 D PWR D C 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...

Page 8: ...sting 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 Ta...

Page 9: ...ule 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 applica...

Page 10: ... 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 Humidifier or Dehumidifier 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 ...

Page 11: ...isplayed as on the home screen inside 0 1 When any zone sensor loses communication with the damper control module the entire system will go into central mode Once communication is reestablished the device will return to normal zone operations Any lost communication between the zone sensor and damper control module will result in the applicable error code being displayed 542 543 544 or 545 at the t...

Page 12: ...ermostat wiring gauge used 7 Are unused thermostat wires conductors wired together to minimize electrical interference that could affect electronic components in the zone sensor See Figure 3 Communicating and Low Voltage Connections on page 7 8 Was the hole in the wall sealed with a suitable material to prevent drafts from entering the zone sensor case Not doing so could affect the zone sensor int...

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