Lennox iHarmony Zone Thermostat Installation And Setup Manual Download Page 13

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Table 4. Alert Codes

Error

Code

Message

Type

Condition and

Email Notification

Description

Thermostat Display

Text

System Action

Action to Clear /

Recovery Condition

551

Critical

Lost communication

Problem (Zoning

Control)

A pop-up display will

appear indicating

communication

error.
Indoor temp is

displayed as “--” on

the home screen.

inside

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

thermostat.
Check wiring between

damper control module and

the zone sensor reporting

error code 551.

Summary of Contents for iHarmony Zone Thermostat

Page 1: ...507826 02 11 2019 Supersedes 507826 01 Lennox Industries Inc Dallas Texas USA iHarmony Zoning System Zone Sensor 17A30 Installation and Setup Guide ...

Page 2: ...at Commissioning 9 Verify Airflow Per Zone 10 Changing Zone Names 10 Installer Checklist 14 Summary of Changes 15 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 mainten...

Page 3: ...imensions 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 module to operate Shut off all power to system components before installing zone sensor Make sure that all wiring c...

Page 4: ...ing 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 instal...

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: ...age 7 Connecting Zone Sensor Wiring Use Table 2 Terminal Designations on page 6 for 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 NOTE Use 2 pair 18AWG unshiel...

Page 7: ...power is applied and the zone sensor screen remains off inspect and verify all wire connections Figure 3 Installing Zone Sensor Setup Guide 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...

Page 8: ...l 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 using the or selection tool NOTE Zone 1 is always reserved for the S30 Table 3 Advanced Settings Menu Selection Setting Reset Resets ...

Page 9: ...rectly on zone sensor 3 The Verify Airflow Per Zone screen will appear Make the requirement CFM adjustment for each zone on this screen When done press continue to proceed Rerunning Thermostat Commissioning If zoning control was added to an existing S30 control system Perform the following steps 1 From the home screen select the Menu Icon 2 Select Settings 3 Select Advanced Settings 4 Select View ...

Page 10: ... airflow use the following procedure 1 From the home screen select the Menu Icon 2 Select Settings 3 Select Advanced Settings 4 Select Dealer Control Center 5 Select Tests 6 Make the requirement CFM adjustment for each zone on this screen When done press continue to proceed Changing Zone Names If at a later time the zone name needs to be changed use the following procedure to do so 1 From the Home...

Page 11: ...he system will go into central mode Individual zone function is disabled Indoor temp is displayed as on the home screen inside 0 1 Anytime the zone sensor loses communication with the damper control module the entire system will go into central mode If two zone sensors are assigned the same zone number this could cause the double dashes to appear as well See Apply Power and Set Zone Numbers on pag...

Page 12: ... Sensor Error Problem Zoning Control 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 Humidifier or Dehumidifier...

Page 13: ...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 14: ...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 internal temperature sensor 9 Did the zone ...

Page 15: ...15 Summary of Changes 11 2019 Updated instruction to include more detail and clarification concerning zone sensor ID assignment and recommission of the S30 thermostat ...

Page 16: ...16 ...

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