Lennox Icon Hardware Installation And System Commissioning Manual Download Page 34

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Table 3. Alarm Faults

Alarm

Mgr

Alarm

Category

Alert

Level

(Severe,

Low,

Info)

Local

Display:

Alert Title

Local Display: Alert

Detailed Description

M3-Specific

Description

IMC Error Description

IMC Action

Sensor

Low

Outdoor Enthalpy

Sensor

Outdoor enthalpy sensor

(A7) error Check sensor and

wiring.

Outdoor Enthalpy

Sensor

Outdoor enthalpy sensor (A7) open.

Check sensor and wiring.

No economizer free cooling

operation if economizer mode is

set to ODE or DIF.

Sensor

Low

Indoor Enthalpy

Sensor

Indoor enthalpy sensor (A62)

error. Check sensor and

wiring.

Indoor Enthalpy

Sensor

Indoor enthalpy sensor (A62) open.

Check sensor and wiring.

No economizer free cooling

operation if economizer mode is

set to DIF.

General Fault

Low

Unit Operating in

Backup Mode

The control has changed the

system mode because of

an error with the controlling

sensor or because of a loss of

communication.

Backup Mode

The control has changed the system

mode because of an error with the

controlling sensor or because of a loss

of communication.

IMC has switched over to the

backup mode option set with

ECTO 6.01.

Sensor

Low

Zone sensor

setpoint range

error

Zone sensor setpoint out-of-

range error.

Removed

Zone sensor setpoint out-of-range

error.

IMC reverts to default 65°F (18°C)

heating and 80°F (27°C) cooling

setpoints.

Configuration

Info

ECTO parameter

changed

ECTO parameter has been

changed by the pushbutton.

Reserved

ECTO parameter has been changed by

the pushbutton.

For information only. Indicates

that someone has made an ECTO

change.

Configuration

Low

Four-Stage

Interface

Failure

Four stage interface failure

A138. ECTO 6.01 set to option

12 when no A138 board present

can also cause this alarm

Reserved

Four stage interface failure A138.

ECTO 6.01 set to option 12 when no

A138 board present can also cause this

alarm

No heating or cooling.

Configuration

Low

Four-Stage

Configuration

Error

Four stage interface A138

detected but ECTO 6.01 is not

set to option 12 or equipment

type is set to heat pump.

Reserved

Four stage interface A138 detected but

ECTO 6.01 is not set to option 12 or

equipment type is set to heat pump.

No heating or cooling.

Configuration

Info

ECTO Memory

Chip Write

Error

ECTO memory chip write

error.

Reserved

ECTO memory chip write error.

ECTO settings may not be

saved.

Economizer

Low

Outside Air

Velocity Sensor

Error

A24 sensor input signal is

continuously above 25% of

sensor measuring range for

more than five minutes with

blower stopped.

OAS Error A24

Outdoor Air Control Sensor (A24) open.

Cleared by IMC reset.

No OAC operation. Damper closed

to minimum position.

Summary of Contents for Icon

Page 1: ...Hardware Installation and System Commissioning Guide 507701 03 4 2018 Supersedes 507701 02 Firmware 1 75 Release ...

Page 2: ...mware Updates 10 9 1 Update from the Lennox iCON Cloud Server 10 9 2 Update from a USB Flash Drive 10 10 Installation Recommendations 11 11 Central Installation External Components LEDs and Terminals 11 11 1 Installation 11 11 2 External Components 13 11 3 Center Push Button Functions 14 11 4 LED Status Indicators 14 11 5 Terminals 14 12 Mag Mount Installation Terminals and LEDs 15 12 1 Installati...

Page 3: ...o 79 C Shipping and storage temperature range is 40 F to 185 F 40 C to 85 C Operating humidity range is 10 to 90 non condensing at 104 F 40 C Storage humidity range is 5 to 95 non condensing at 104 F 40 C Central Hub Power Input 24VAC 1AMP at 60Hz Central Hub DC Power Output 12VDC 0 25V at 1 amp maximum to Mag Mount Local Display Dimensions H x W x D Mag Mount 3 1 4 x 3 1 4 x 1 2 83 x 83 x 13 mm L...

Page 4: ...ral Hub No hardware changes are needed when new functions are added through a software update Table 2 Terms and Definitions Term Description iCON Hardware An iCON system consists of the following hardware Central Hub Mag Mount Local Display Each hardware item is a small computer that has an internal processor that executes stored software code to perform its tasks This software code can be easily ...

Page 5: ...ervices by sending data only to the intended recipient on the wireless local area network instead of to all devices on the WLAN Wide Area Network A wide area network WAN covers a large area neighborhood city county state etc connects local area networks in that area together and provides connections to distant WANs and LANs through the Internet Wi Fi Wi Fi is a trademark of the Wi Fi Alliance for ...

Page 6: ...ring installation Installer defines rules on the building controller to trigger Alerts Refer to the ICON Building Controller Installation and Setup guide which is included with the controller for further details 6 iCON Hardware System Architecture 6 1 Equipment Monitoring The system can monitor up to the following 93 rooftop units M1 8 M2 M3 and NTC Four iCON Building Controllers building automati...

Page 7: ... in the business that are participating in the business LAN Likewise computers and other devices on the business LAN cannot see or interact with Central Hubs 7 3 Business Network Is the typical general purpose wireless physical network in a business marked as gray in Figure 1 iCON Hardware Architecture on page 7 Is open most any computer or computer like wireless device can connect to it Allows ma...

Page 8: ...cloud services database of Central Hubs If the connection between the Central Hub and the Lennox iCON cloud server is interrupted for any reason business power failure Internet outage etc the server will recognize the Central Hub when the connection is restored and the Central Hub requests a connection Communication and activities between that Central Hub and the Lennox iCON cloud pick up where th...

Page 9: ... retained by the Central Hub in non volatile memory for use when the Central Hub needs to reconnect to the business network such as when power is restored after an outage Once the Central Hub successfully connects to the business network it will try to contact Lennox iCON cloud services through business Wi Fi router and the Internet When successful the Lennox iCON cloud server establishes a privat...

Page 10: ...registration at Lennox iCON cloud services Newly installed components found to have out of date firmware will be updated through the Internet During normal operation an iCON system contacts Lennox iCON cloud services every night to see if a firmware update for it is available If a new firmware update is available and it applies to the iCON system or to any of the HVAC equipment attached to it the ...

Page 11: ...r than 30VAC Short jumper across terminals on the gas valve or at the system controls to test installation This will damage the thermostat and void the warranty Exceed 300 feet 91 meters run when using 18 AWG thermostat wire or larger Allow power load from any thermostat connection to be more than 1 AMP 11 Central Installation External Components LEDs and Terminals 11 1 Installation a Things to co...

Page 12: ... LOWER MOUNTING SCREW MAY DAMAGE CENTRAL HUB SECURE CENTRAL HUB TO WALL WITH FIELD PROVIDED FASTNERS R A E R T N O R F KEYHOLE THROUGH HOLE C MAKE CONNECTIONS TO CENTRAL HUB TOUCH LEVER BACK AND INSERT WIRE THROUGH HOLE LOCATED ON BOTTOM SIDE OF CONNECTOR RELEASE LEVER TO SECURE WIRE CENTRAL HUB WIRE CONNECTORS 18 GAUGE THERMOSTAT WIRE Figure 2 Central Hub Installation ...

Page 13: ...USB TYPE A S BUS POWER TO MAG MOUNT COMMUNICATION TO MAG MOUNT FROM POWER SUPPLY TO CENTRAL HUB Center Push Button and LED Center Ring LED Status Indicators ETHERNET RJ 45 M BUS Factory Installed Plug EB1350M 03 000 G Figure 3 Central Hub Indicators and External Components ...

Page 14: ...nt and Local Display and whether or not the Central Hub can communicate with the Local Display Flashing Red System connection failure Sold Green System connected and operational default Indicates the status of the HVAC equipment in the business that is controlled by the Central Hub and wither or not the Central Hub can communicate with it Flashing Red No HVAC equipment is connected Solid Green HVA...

Page 15: ... Mag Mount Ideal location should be located away from outside wall direct sunlight or discharge air vents c Cut or drill a small hole for thermostat wiring 3 8 10 mm Diameter Hole d Pull about three inches of thermostat wire through the opening and remove the outer thermostat wire jacket Seal wire hole in wall to prevent cold or hot air from affecting temperature sensor in display IMPORTANT Seal w...

Page 16: ... Communications bus B RS 485 Green 12 3 LED Indicators a A blue LED is visible on the front of the Mag Mount when it is connected power applied and the Local Display has not been installed see following illustration The blue LED is also visible through the top vent of the Mag Mount near the top left corner when the Local Display is installed Blue LED is visible here when mag mount is properly conn...

Page 17: ...ttery may need to charge before operation Once the display is connected instructions may appear within 15 seconds with further detail 2 TO AVOID BREAKING THE GLASS DISPLAY a Do not apply force directly to the glass display b Holding the display horizontally i Center the display cavity on the base ii Press both sides equally until the snaps engage 3 AVOID EXCESSIVE FORCE TO THE CLASS DISPLAY 13 2 E...

Page 18: ...grams are typical low voltage wiring connections for various system configurations R I C A B A B COMM BUS 12VDC S S iCON CENTRAL HUB iCON MAG MOUNT FIELD PROVIDED POWER SOURCE Figure 5 iCON Central Hub to iCON Mag Mount and 24VAC Power Supply ...

Page 19: ...s must have a unique S Bus address starting with 1 and sequential among the other devices Wire Nut IMPORTANT Installation manuals for individual S Bus devices may show different configuration of shield wire grounding The shielding and termination guidance in this document supercedes all prior documentation IMPORTANT Do not attach shield wire to the Central Hub This Central Hub is typically mounted...

Page 20: ...BUS ON iCON Building Controller M BUS ON iCON Building Controller SIDE SIDE VIEW NOTE iCON can support up to four iCON Building Controllers G IMPORTANT Do not attach shield wire to the Central Hub This Central Hub is typically mounted on drywall or other non conductive surfaces and is not well grounded Generally iCON Building Controllers will have the better grounds and are preferred Attach shield...

Page 21: ...Devices viaTCP IP either LAN or Wi Fi The PS3027 network connection must be by Ethernet to the local business LAN G SIDE SIDE VIEW Business LAN Business Wireless Router Connection via Ethernet Connection via Wi Fi Figure 8 iCON Central Hub to Energy Monitoring Equipment TCP IP PS3037 Energy Meter ...

Page 22: ...nstallation reports and general information about the system a The first screen to display is the Lennox Logo screen b The first item to select is the language on the Select Language screen The options are English Français and Español Select the desired language and then press the NEXT button c The next screen asks if this is a replacement Central Hub Is this a replacement Central Hub For first ti...

Page 23: ...HVAC system itself m The next screen will display the new HVAC zone name just entered The S Bus address for the unit controller or NTC is also listed To procedure select NEXT NOTE The building automation controllers cannot be renamed CONFIGURING HVAC EQUIPMENT C16 CONFIGURE HVAC EQUIPMENT ZONE NAME ZONE 1 1 NEXT S BUS ADDRESS 001 BACK ZONES 5 CONFIGURED 1 COOLERS 3 CONFIGURED 0 INPUTS OUTPUTS 24 C...

Page 24: ...NNECT VIA screen there are icons that represent the network connection status Display router Internet and server The router Internet and server icons should have a red X above them that represents they are not connected 15 5 1 1 Wi Fi Visible or Hidden First screen is connect via Options are disabled default Wi Fi and Ethernet a When selecting Wi Fi select not connected b Choose either a visible w...

Page 25: ...he same time The Central Hub will be able to reach the Internet 15 5 1 2 Ethernet a When selecting Ethernet the option for Ethernet settings will appear Press next to Ethernet settings to continue b Choose either DHCP or Static DHCP allows your router to assign the IP address submask router name and DNS information automatically Selecting static you will need to manually enter the same information...

Page 26: ...all wiring is correct Blinking blue LED indicates the A and B communication wires are reversed 3 Is the solid blue LED not visible when the Local Display is removed This usually indicates 12VDC to and is not present at the Mag Mount terminals Local Display Checks YES NO 1 Is the Local Display properly placed and connected to Mag Mount When properly connected the Mag Mount blue LED will be off 2 Is...

Page 27: ...e ECTO memory chip and parameters may not be changeable Removed ECTO access error This may indicate a problem with the ECTO memory chip and parameters may not be changeable Controller will operate with the factory ECTO defaults 3 Reserved 4 Smoke Severe Smoke Detected A173 input indicates smoke alarm Smoke A17 input indicates smoke alarm Defined by ECTO 5 01 Default action unit off 5 Air Flow Low ...

Page 28: ...High Press S96 Open Comp4 High pressure switch closed three times during a demand Compressor4 is locked out Strike3 High Press S96 Open Comp4 S96 High Press 4 opened three default time during a demand The number of times is defined in ECTO 1 12 or 4 14 Compressor 4 locked off Requires a reset or two short pushes of pushbutton to restore 20 Power Low Phase Monitor Fault Phase monitor or blower moto...

Page 29: ...O 4 04 Compressor 1 locked off Requires a reset or two short pushes of pushbutton to restore 34 Cooling Low Freeze Stat S50 Open Comp2 Compressor is off Check freezestat air flow charge coil air filter and outside air temperature Frz Stat S50 Open Comp2 S50 Freezestat 2 is open Compressor 2 off 35 Cooling Low Strike3 Freeze Stat S50 Open Comp2 Freezestat has opened 3 times during a demand Compress...

Page 30: ... board TB34 1 input A61 Second Compressor Off 49 Power Low No 24Vac Relay Power On C3 No 24VAC relay power on A59 C2 board TB35 1 input A59 No 24Vac Relay Power On C3 A59 No 24VAC relay power on A59 C2 board TB35 1 input A59 Third and fourth Compressor Off 50 Heating Low Primary Heat1 Limit Open S10 Heat section 1 primary gas heat limit switch is open Check air flow air filter limit switch and wir...

Page 31: ...Gas valve 1 not energized three default times two minutes after a demand Check gas supply ignition control and wiring ECTO 3 09 GV1 Strike3 Heat1 No Proof Gv1 Gas valve 1 not energized 3 default times 2 minutes after a demand Check gas supply ignition control and wiring ECTO 3 09 GV1 Only action taken is storing code in memory 60 Heating Low Primary Heat2 Limit Open S99 Heat section 2 primary gas ...

Page 32: ...5 minute window Cleared by IMC reset or when missing network data is received Local sensor data is used for sensors which failed to update 74 Sensor Low Zone Sensor Zone sensor A2 problem Check sensor and wiring Zone Sensor Zone sensor A2 problem Check sensor and wiring IMC will switch over to the backup mode option set with ECTO 6 01 If no backup mode is selected the unit will shut down 75 Sensor...

Page 33: ...heck unit DIP switch setting and add on boards types Unit is off 84 General Fault Low Add On Board Not Responding An add on board did not respond or is not recognized when polled by main control during system power up Add on board with problem will have flickering heartbeat or no heartbeat Reserved An add on board did not respond or is not recognized when polled by main control during system power...

Page 34: ...sor setpoint out of range error IMC reverts to default 65 F 18 C heating and 80 F 27 C cooling setpoints 95 Configuration Info ECTO parameter changed ECTO parameter has been changed by the pushbutton Reserved ECTO parameter has been changed by the pushbutton For information only Indicates that someone has made an ECTO change 96 Configuration Low Four Stage Interface Failure Four stage interface fa...

Page 35: ...present ECTO 0 23 set to option 1 15 and ECTO 8 16 is set to option 8 15 ECTO 5 01 set to option 5 7 and ECTO 8 16 is set to option 8 15 ECTO 5 01 set to option 5 7 but no GP1 present A133 w DIP set to VAV ECTO 5 01 set to option 5 7 but no EM1 A56 present ECTO 7 25 option 12 15 selected but no GP1 present A133 w DIP set to VAV Affected features do not operate 101 Configuration Low MGV Control Set...

Page 36: ... GP1 A133 W DIP set to GP is present ECTO 5 26 option 2 3 selected but ECTO 9 01 is not set to 5 Affected features do not operate 103 Configuration Low Adv Ctrl Setup Error General configuration error Adv Ctrl Setup Error General configuration error ECTO option is set to use an input that is not present Cases that can cause this alarm ECTO 7 25 option 1 is selected ECTO 7 25 option 2 or 3 selected...

Page 37: ...sor and wiring Building Press Sensor Building air pressure sensor A34 problem Occurs only when GP1 is present A133 DIP switch is set to VAV ECTO 8 16 is set to 4 7 or 12 23 A34 input A133_P194 7 is less than 0 2VDC 48 w c or higher than 9 8VDC 0 48 w c The error code is cleared when the A34 sensor input is between 0 2 and 9 8 VDC No exhaust fan operation 107 Sensor Low Duct Supply Press Sensor Pro...

Page 38: ...e error Reserved Internal EEPROM write error Store code in memory 114 General Fault Low Internal PLL Clock Error Internal PLL clock error Reserved Internal PLL clock error Unit off 115 Configuration Info Test Mode Unit TEST switch in test mode Reserved UNIT TEST switch in test mode IMC unit test operation only BACnet Analog Output objects put out of service L Connection reports off line 116 Config...

Page 39: ...ow Line Phasing Mismatch Line Phasing does not match the phasing indicated by the model number Line Phasing Mismatch Reserved 127 General Fault Info Alarm buffer overflow Alarm buffer overflow Reserved Alarm buffer overflow Not all alarms stored 128 Controller Power Low 24vac Secondary power loss Secondary 24vac power loss Reserved Secondary 24vac power loss 129 Cooling Low VFD Shutdown VFD fault ...

Page 40: ...or Not implemented in IMC 149 Economizer Low OA Diff Press Sensor Error Check outdoor air damper differential pressure sensor and wiring OA Diff Press Sensor Error Not implemented in IMC 150 Economizer Low Not Economizing When OAS May be due to the damper motor being unplugged or disconnected Not Economizing When OAS Not implemented in IMC 151 Economizer Low Economizing When no OAS This may be due...

Page 41: ...ing input is shared with other optional devices or inputs for example global blower overload drain pan overflow etc No Input Sharing Not implemented in IMC 176 General Fault Info SBUS Obsolete M2 Cmd This alarm occurs when a SBUS master device sends a M2 style command to the M3 unit controller SBUS Obsolete M2 command Not implemented in IMC 177 Configuration Low No Model Number Missing model confi...

Page 42: ...emented in IMC 194 199 reserved 200 General Fault Info Service input is energized Service input is energized Reserved Service input is energized Indication only No other action taken 201 General Fault Low Normally open N O input is energized Normally open N O input is energized Reserved Normally open N O input is energized Unit is off Unit Controller will retry every five minutes 202 General Fault...

Page 43: ...scription sent by LCC IOB Digital Input 1 Alarm Condition 8 5008 Building Automation Installer Defined IOB Digital Input 1 Alarm Condition 9 Description sent by LCC IOB Digital Input 1 Alarm Condition 9 5009 Building Automation Installer Defined IOB Digital Input 1 Alarm Condition 10 Description sent by LCC IOB Digital Input 1 Alarm Condition 10 5010 Building Automation Installer Defined IOB Digit...

Page 44: ...n sent by LCC IOB Digital Input 3 Alarm Condition 4 5028 Building Automation Installer Defined IOB Digital Input 3 Alarm Condition 5 Description sent by LCC IOB Digital Input 3 Alarm Condition 5 5029 Building Automation Installer Defined IOB Digital Input 3 Alarm Condition 6 Description sent by LCC IOB Digital Input 3 Alarm Condition 6 5030 Building Automation Installer Defined IOB Digital Input 3...

Page 45: ... Description sent by LCC IOB Digital Input 4 Alarm Condition 12 5048 Building Automation Installer Defined IOB Analog Input 1 Alarm Condition 1 Description sent by LCC IOB Analog Input 1 Alarm Condition 1 5049 Building Automation Installer Defined IOB Analog Input 1 Alarm Condition 2 Description sent by LCC IOB Analog Input 1 Alarm Condition 2 5050 Building Automation Installer Defined IOB Analog ...

Page 46: ...on sent by LCC IOB Analog Input 2 Alarm Condition 8 5068 Building Automation Installer Defined IOB Analog Input 2 Alarm Condition 9 Description sent by LCC IOB Analog Input 2 Alarm Condition 9 5069 Building Automation Installer Defined IOB Analog Input 2 Alarm Condition 10 Description sent by LCC IOB Analog Input 2 Alarm Condition 10 5070 Building Automation Installer Defined IOB Analog Input 2 Al...

Page 47: ...n sent by LCC IOB Analog Input 4 Alarm Condition 4 5088 Building Automation Installer Defined IOB Analog Input 4 Alarm Condition 5 Description sent by LCC IOB Analog Input 4 Alarm Condition 5 5089 Building Automation Installer Defined IOB Analog Input 4 Alarm Condition 6 Description sent by LCC IOB Analog Input 4 Alarm Condition 6 5090 Building Automation Installer Defined IOB Analog Input 4 Alarm...

Page 48: ...sor Alarm Condition 12 Description sent by LCC IOB Pressure Sensor Alarm Condition 12 5108 Building Automation Installer Defined IOB Light Sensor Alarm Condition 1 Description sent by LCC IOB Light Sensor Alarm Condition 1 5109 Building Automation Installer Defined IOB Light Sensor Alarm Condition 2 Description sent by LCC IOB Light Sensor Alarm Condition 2 5110 Building Automation Installer Defin...

Page 49: ...pressure transducer 5809 Building Automation Low Analog Input 5 shorted pressure transducer Description sent by Central Hub Analog Input 5 shorted pressure transducer 6000 General Fault Severe RTU not responding RTU not responding off line Alarm 6000 is asserted if communication failed for 20 consecutive attempts 6000 will be cleared if communication is without error for 5 consecutive attempts 600...

Page 50: ...particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on ...

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