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12

Alert Codes

s

oft

 d

Isable

Soft disabling is when the thermostat finds an unknown control on the system communication bus. The thermostat sends 

the unknown control a message to go into soft disable mode until the component is properly configured or removed.

The thermostat will not show any code for a soft disabled control. When soft disabling occurs only the control that has 

been disabled will display the blinking LED status. Refer to the device’s installation and setup guide for further guidance.
Confirm proper wiring between all devices such as thermostat, 

PureAir

 

and Smart Hub.

Cycle power to the 

PureAir

 S

.

1.  Go to the 

menu

 > 

settings

 > 

advanced settings

 > 

view dealer control center.

 Touch 

proceed

 to continue. 

2.  Select 

equipment

.

3. 

Touch 

reset

.

a

lert

 c

ode

 t

yPes

To expand a specification notification to access a more detail description of the alert code, press the down arrow to expand 

the description. 
• 

Service Urgent

 alerts are displayed on Home (user) screen under the homeowner and installer alert buttons. 

Service 

Urgent

 means that a service call is needed to get the system running.

• 

Service Soon / Service Urgent

 means that the system will likely recover on its own and no interaction is necessary. 

Typically, either after a specific timer period or a specific number of instances, some 

Service Soon

 alerts will escalate 

to 

Service Urgent

• 

Service Soon

 alerts are found only in under the installer alert button. 

• 

Information  Only-Dealer 

is  information  only  and  helps  Lennox  interpret  test  results  and  understand  complicated 

behaviors. 

Information Only

 are not reported to homeowner or dealer.

NOTE: 

Communication System

: When communication controls are operating in a communication system, all jumpers 

and links setting on the controls are ignored. Jumpers and links setting are treated as defaults and would only be 

active if the system was configured as a non-communicating system.

Summary of Contents for PureAir PCO3S-14-16

Page 1: ...licensed professional HVAC installer or equivalent service agency or the gas supplier WARNING Electric shock hazard Can cause injury or death Disconnect all electrical power supplies before servicing...

Page 2: ...ay be required to lower total volatile organic compounds to this level The Healthy Climate Carbon Clean 16 Filter combines industry leading MERV 16 filtration and carbon coated fiber matrix For full f...

Page 3: ...Ballast Figure 1 Parts Identification Dimensions top for bottom 8 3 4 222 11 16 17 1 3 4 33 1 3 4 33 1 5 16 33 1 5 16 33 INLET AND OUTLET OPENING SAME SIZE A B C D 1 AIR FLOW Power Connection UVA Lamp...

Page 4: ...t and the titanium dioxide PCO cartridge Packing material should be disposed of properly IMPORTANT Possible odor emissions Chemical reactions may cause temporary odors after initial start up or after...

Page 5: ...5 ton Modified Return Air Opening RETURN DUCT SUPPLY DUCT DUCT TRANSIITON Field Furnished FURNACE OR AIR HANDLER PCO3S RETURN DUCT SUPPLY DUCT OPTIONAL RAB RETURN AIR BASE PCO3S RETURN DUCT SUPPLY DUC...

Page 6: ...iate fasteners to secure cabinet to the return air side of the air handling unit 4 Use field provided sheet metal screws 1 25mm maximum length to fasten the return air duct to the other side of the ca...

Page 7: ...d wing nuts 2 NOTE There is an arrow on the front of the component indicating the correct way to install it 3 Connect UVA lamp 4 pin male connector to ballast female 4 pin connector BALLAST FOUR PIN F...

Page 8: ...tached to the C terminals Keep all communication wiring as far away from the house electrical wiring and large electrical appliances as possible Recommended minimal distance is 15 feet 5 meters Unused...

Page 9: ...to indicate the reset was successful Control Manual Reset When pressing both the SW1 and SW2 switches at the same time for ten seconds will reset the control to factory default Control can also be re...

Page 10: ...Advance equipment configurations notifications tests diagnostics installation reports and general information about the system Go to menu settings advanced settings view dealer control center dealer c...

Page 11: ...date for filter Date last filter reset was accomplished This is for display purposes only and cannot be changed Purifier life Provides percentage of remaining purifier life This is for display purpos...

Page 12: ...n of the alert code press the down arrow to expand the description Service Urgent alerts are displayed on Home user screen under the homeowner and installer alert buttons Service Urgent means that a s...

Page 13: ...ltage wiring transformer and equipment Check for incorrectly wired or loose or spliced connections between system components devices or units Make sure all unused wires are tied together and taken bac...

Page 14: ...he thermostat Check the wiring connections between components Ohm wires Cycle power Any component that is miss wired may cause a false component code to be shown on system component Disconnect all wir...

Page 15: ...Service Soon PA UV Lamp Off The light is determined to be off when the last three last light intensities measurements are below the set threshold Light is determined on after 1 set of five samples ar...

Page 16: ...holder PCO cartridge and UVA lamp require annual replacement More frequent filter replacement may be required in applications with heavier dust or dirt loads or if you notice a reduction in odor remov...

Page 17: ...e out the hinged control panel 6 Disconnect UVA lamp electrical connector from ballast 7 Remove both fasteners securing the UVA Lampholder PCO cartridge from the chassis 8 Slide out the UVA Lampholder...

Page 18: ...to the PCO cabinet NO Repair Issues Is the lamp on Check ballast voltages see table below on red and blue wires at 4 pin connector Replace any burned out or damaged components NO Is the lamp on NO Con...

Page 19: ...19...

Page 20: ...20...

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