Lennox ComfortSense 8500 Series Скачать руководство пользователя страница 22 | Manualshive

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Table 5. System Status Descriptions

State (Icon)

Icon Location

Description

Technician Status

Screen

When the CS8500 (CS) has a fault state, this icon

would be displayed.

The following possible errors may have occurred

which would generate this system status:

•  Local temperature sensor error
•  External sensor error
•  Memory error
•  Humidity sensor error
•  CO

2

sensor error

Technician Status

Screen

No faults detected

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Содержание ComfortSense 8500 Series

Страница 1: ...507611 03 7 2019 Supersedes 11 2018 Installation and Setup Guide ComfortSense 8500 Commercial Programmable Thermostat Series ...

Страница 2: ...l NTC Setup 8 M1 M2 Unit Controller Setup 9 M1 M2 Unit Controller Control Mode and Backup Set Points Setup 9 M3 Unit Controller Setup 9 CS8500 Setup 10 BACnet with M3 Unit Controller 10 Network Topology 10 CS8500 Set Point Change 10 CS8500 Occupancy Override 11 BACnet Canceling Override 11 Sensor Inputs 11 M3 Unit Controller Setup 11 CS8500 Setup 13 CS8500 Sensor Failure 13 Functions Not Supported...

Страница 3: ...ackaged gas electric and electric electric for up to 4 heat 4 cool multi stage roof top unit systems not for heat pump systems Models are available with or without CO2 sensing capabilities For use with Energence commercial rooftop units equipped with Prodigy For use with iCON Intelligence Connected by Lennox building automation solution CO2 models can be used to control Lennox premium rooftop unit...

Страница 4: ...e following Lennox communication ca bles twisted pair with shield plenum Table 2 Twisted Pair Communication Wiring S Bus Yellow Catalog Numbers Item 27M19 500 foot roll 94L63 1000 foot roll 68M25 2500 foot roll CAUTION This is a 24VAC low voltage sensor Do not install on voltages higher than 30VAC Do not short jumper across terminals to test installation This will damage the sensor and void the wa...

Страница 5: ...s used Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Non heated or non cooled areas such as an outside wall behind the sensor 5 Use the following steps a Determine location using best practices b Use the provided wall plate as a template to determine location cutout for wiring and location for wall anchors NOTE The use of the provided wall plate is opt...

Страница 6: ...le material to prevent drafts from entering the zone sensor case Not doing so could affect the internal temperature and humidity sensors Terminal Connections External sensors use standard thermostat wiring and may be wired using two wires of a multiple wire cable Wire run should not exceed 300 feet 100m Terminals CM and CM will use wiring as refer enced in Table 2 Twisted Pair Communication Wir in...

Страница 7: ...ications Use Lennox catalog numbers 10kΏ 47W37 or 11kΏ 94L61 Sensors are not polarity sensitive Figure 6 Temperature Sensor Wiring parallel The CS8500 will calculate the average temperature readings from all connected external temperature sensors If any of the sensors malfunction they may still report a temperature value Only when the average value of the connected temperature sen sors including a...

Страница 8: ...ftware and L Connection PC con verter All parameters can also be set directly at the Unit Controller Refer to the applicable unit controller application guide to edit the required ECTOs or pa rameters Network Thermostat Control NTC Setup NTC ECTO A4 07 is factory set to option 0 local In this system mode the NTC will operate the unit based on input from a local sensor NTC ECTO A4 07 must be set to...

Страница 9: ... control mode and back up set points to use Options are 1 Zone sensor mode with no backup 2 Zone sensor mode with local sensor backup 3 Zone sensor mode with return air sensor backup M3 Unit Controller Setup From the main menu perform the following naviga tion through the menus to set the S Bus address for L Connection 1 Go to SETUP NETWORK INTEGRATION L CONNECTION LCONN ADDRESS 2 Enter the desire...

Страница 10: ...Cnet environment with a M3 unit controller Network Topology All rooftop units are connected to the BACnet front end Each rooftop unit is connected to one CS8500 The CS8500 communicates with the rooftop units using the Lennox proprietary S Bus protocol CS8500 Set Point Change The BACnet front end provides the occupied and unoccupied set points to the roof top unit The roof top unit RTU sends the sa...

Страница 11: ... to the occupancy status provided by BACnet BACnet Canceling Override When the user changes the set point or occupancy mode at the CS8500 it puts the M3 unit controller into override mode The BACnet front end has the option to cancel the override timer at any time by sending a value of 3 to BACnet Analog Object 103 When the timer is canceled the rooftop units and CS8500 returns to using the occupa...

Страница 12: ... 110 low priority will be raised This will be cleared automatically when any demand goes to M2 M3 11 Go to SETUP and select NETWORK INTEGRATION 12 Use the adjust and set values arrows to display BACNET and press the SAVE button to continue 13 Adjust the BACNET ADDRESS if required and press SAVE button to continue NOTE BACnet address and baud rate is to be determined and or set by the systems integ...

Страница 13: ... BACnet Functions Not Supported Zoning Occupancy sensor input from the CS8500 BACnet in monitor mode BACnet cannot refresh reload set point override timer CS8500 Troubleshooting 1 Make sure 24VAC is supplied to the CS8500 2 Make sure the CS8500 S Bus address setting matches the M2 M3 unit controller address NOTE NCP is required when using an NTC 3 Check communication cable wiring 4 Verify that the...

Страница 14: ...u are notifications and settings NOTE Refer to the included user guide for more details on the following menu selections Notifications When a system error or reminder occurs a pop up screen will appear indicating the condition See user guide for details Performance Reports only available when Operation with Smart Hub is set to OFF See user guide for details NOTE Smart Hub reference is concerning C...

Страница 15: ...e following table to determine available parameters based on OFF or ON Table 4 Parameter Settings based on System Configuration Parameters Setting Available when Operation with Smart Hub is ON or OFF Setting Available when Local Scheduling is set to ON or OFF Display on home screen ON or OFF ON or OFF Contractor info ON or OFF ON or OFF Temperature sensor config ON or OFF ON or OFF Smooth setback ...

Страница 16: ...he ComfortSense 8500 is in stand alone mode local scheduling can be used Adjusting the temperature set points on the CS8500 will put the unit in an override period 4 Display on Home Screen Turn ON or OFF for the followings options Factory default is set to OFF RTU Fan CO2 value only on models with CO2 sensor RTU function state Service required alert Factory default is OFF for all of the above opti...

Страница 17: ...els with internal CO2 sensor 9 Temperature Adjustment Range The adjustment range for screen unlock is 0 to 10 degrees in increments of one degree The default setting is 2 There is a ON OFF adjustment for screen lock as well When the Local Scheduling function is set to OFF and operations with the Smart Hub is set to OFF the CS8500 will use the heating and cooling unoccupied and occupied set points ...

Страница 18: ...isted under general display menus Reset technician settings Resets all technician settings listed on the technician menu Press in the upper left hand corner of the screen to return to the technician settings menu 14 Change Owner Pin This option is used to create or change the owner pin number when screen lock is enabled under the owner settings generals settings The default owner pin is 864 Screen...

Страница 19: ...s Descriptions State Icon Icon Location Description Home Screen When current RTU function is heating this icon will be displayed Home Screen When current RTU function is cooling this icon will be displayed Home Screen When current RTU function is dehumidifying this icon will be displayed Home Screen When fan operation was set to auto if blower of RTU is ON this icon will be displayed Home Screen W...

Страница 20: ...reen Display during smooth setback recovery SSR execution Technician Status Screen There are communication errors Technician Status Screen Lost communications with host Technician Status Screen There are no communication errors Technician Status Screen When RTU state is warm up mode coming out of an unoccupied state this icon will be displayed Technician Status Screen When RTU state is cool down m...

Страница 21: ...ling Technician Status Screen Fresh air tempering dehumidifying Technician Status Screen This status is displayed when the RTU compressor has partially failed or generates an error Technician Status Screen This status is displayed when all RTU compressors have failed or error occurred Technician Status Screen RTU faults detected Technician Status Screen No RTU faults detected ...

Страница 22: ...When the CS8500 CS has a fault state this icon would be displayed The following possible errors may have occurred which would generate this system status Local temperature sensor error External sensor error Memory error Humidity sensor error CO2 sensor error Technician Status Screen No faults detected ...

Страница 23: ...ll return to normal operation Contact service contractor to replace the CS8500 Critical Remote temperature sensor error External sensor reads 4 F or less or 158 F 5 F or greater External Sensor Error Indoor temp is displayed as on the home screen This error is displayed on the notification screen as well When configured for external temperature sensors and there is an error the unit will automatic...

Страница 24: ...is displayed on the notification screen as well Contact service contractor to replace the CS8500 Critical Humidity sensor error without Humidifier or Dehumidifier Sensor reads out of range 0 to 100 Humidity Sensor Error The reading for humidity is not valid This message indicates humidity sensor is not working correctly When there is an error the home screen humidity display will indicate This err...

Страница 25: ...ical Comm error state at start up Comm Status Errors Detected When the failed off line state is detected continue listening for a valid message If this occurs then normal operation should resume This error is displayed on the notification screen as well Contact service contractor to check communication wire connection If a valid message is received then the error message will be automatically clea...

Страница 26: ...Detected This error is displayed in notification screen and technician system status screens User will have to contact the Service Contractor to have the system serviced Will need to check RTU state If the RTU recovered from the error automatically the error will also automatically clear Reminder Routine system check up Routine system check up Displayed on notification screen Pressing clear button...

Страница 27: ...ecified range including open short detection the alarm will be activated Alarm will automatically clear once in range condition is detected Minor Return Air Temperature Sensor RT16 problem Return Air Temp Sensor Displayed on notification screen If measurement of the return air temperature sensor is out of specified range including open short detection the alarm will be activated Alarm will automat...

Страница 28: ...n screen During free cooling damper is not modulating Minor Not Economizing When Outdoor Air is Suitable Economizer Fault Displayed on notification screen May be due to the damper motor being unplugged or disconnected Minor Economizing When Outdoor Air is Not Suitable Economizer Fault Displayed on notification screen This may be due to damper motor being blocked or stuck open and therefore not clo...

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