DDC Online direct digital controls
Carrier - Carrier Comfort Network (CCN)  


Secondary Control Units
Date Last Saved: 12/19/2003 9:59:44 AM

Product Name(s): AirManager
Product Description: Carrier's AirManager is an application-specific, pre-programmed controller for air-handling unit applications. AirManager comes pre-configured with I/O for the specific AHU and application (CV; VAV w/ IGV fan control; VAV w/ VSD fan control, etc.). Most points are dedicated to specific applications. AirManager is sold as a complete package that also includes of the control enclosure and all required sensors, actuators, valves, transformers, relays, circuit breakers and terminal blocks.
Product Application(s): Carrier's AirManager can be purchased for constant volume, VAV w/inlet guide vane, or VAV w/variable speed drive applications. AirManager is designed for both existing (retrofit) and new units. AirManager is installed as the Carrier PIC (Product Integrated Controller) on new units ordered from Carrier. AirManager is designed to control all AHU fans; dampers; heating and cooling coils. A Comfort Controller (general-purpose controller) is required for sequences that are not covered by AirManager's preprogrammed routines.
Point Quantity Characteristics
Analog Input (AI):
Digital Input (DI):
Universal Input (AI or DI): Inputs are dedicated to the following uses and vary based on specific application ordered:

Supply air temperature
Outside air temperature and RH
Zone temperature and RH
Mixed air temperature
Return air temperature and RH
Fan status switch
Duct static pressure switch
Freezestat switch
CO2 sensor input
Filter maintenance switch
Outside air enthalpy switch
4 - 20 mA
0 - 10 Vdc
Analog Output (AO):
Digital Output (DO):
Universal Output (UO):
Other: Universal Output (UO) Outputs are dedicated to the following uses and vary based on specific application ordered:

Fan starter relay (SPDT)

Alarm output relays (SPDT)

Multiple SPDT fan speed relays

HW reheat (2-position or floating)

Electric heat staging relays (SPST)

Damper open/close (2 position; max/min)

Damper modulation

DX or valve open/close (2 position)

CW valve modulation
A/D Converter Resolution
8 bit
10 bit
12 bit
16 bit
Other Information not provided
D/A Converter Resolution
6 bit
8 bit
10 bit
No Analog Output
Other Information not provided
HOA switches provided on each output?
Note: These are also available as an add-on from 3rd party vendors.
Both AO and DO
DO Only
Indicating status LED on each output?
AO and DO
AO Only
DO Only Optional
Integral Flow Sensor?
Integral Damper Actuator?
Can controller accept occupant override from thermostat?
Can controller accept occupancy sensor input?
Expander Boards
Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details)
CCN Bus: Proprietary @ up to 38.4kbps (peer-to-peer)
External Communication Ports, Speeds and Access Devices EIA-485 (through RJ14 interface) to local PC (laptop or workstation) @ 38.4 kbps
Additional Information (Optional)
Network Accessing Capabilities via Controller
Access controller only
Access controller plus additional controllers on network segment / LAN
Access all controllers on system
No access available on this controller
Controller Access Devices
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted)
Handheld Interface Device (proprietary device)
PDA (3rd-Party HID)
Zone-Based port (details below)
Zone-Based Interface Access EIA-485 interface through RJ14 connector on all Carrier space sensors. Interface is through Laptop PC running proprietary software.
Zone Interface Hardware
Zone-Mounted touchpad (thermostat or stand-alone display)
HID (proprietary device)
PDA (3rd party HID, with software)
*Note: This section covers the capabilities for accessing the controller or other parts of the network from the controller (i.e. 'bottom-up').
Standard access functionality is covered in the Architecture and Software sections.
**Does NOT include front-end OI functions. See vendor for specific functions available.
Functions Available Through Field Interface**:View ParamsChange ParamsChange
O&M SupportTAB/Cx Support
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted)
Handheld Interface Device (proprietary device)
PDA (3rd-Party HID)
Zone-Based port (details below)
Microprocessor(s) Hitachi H8/325 @ 19.6608Mhz
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
Clock Synchronization Information not provided.
Volatile Memory (RAM) Capacity Information not provided.
Volatile Memory (RAM) Uses
RAM use unrestricted
RAM use restricted as shown below
Information Not Provided
Program Execution / Calculation storage
Data / Trends / Alarms storage
Configuration / Parameter storage
Control Programming storage
Is Volatile Memory Supported By Battery? Yes
Battery Type(s) Super-capacitor backup
Battery Life N/A
Backup Battery Operating Time Information not provided.
Non-Volatile Memory Capacity (EEPROM/Flash)* Information not provided.
Non-Volatile Memory Uses
Data / Trends / Alarms / Calculation Storage
Configuration / Parameter Storage
Control Programming Storage
Controller Operating System
Additional Information
* Items in NV memory are not lost upon power or battery failure. Other types of NV memory such as EPROM, NOVROM, etc. do not directly impact system performance.
Can trend data be stored in this controller? No
How many total trend values can be stored? None
What is the controllers role in trending? The controller can be asked for data by external trending controller.
Can controller be programmed to 'push' data to archive or are trends 'pulled' from controller?
When full, does controller automatically send up trend data, overwrite data, or stop logging data? Not applicable
Programming Method(s) Completely pre-programmed at the factory and configured via templates.
Resident vs Non-Resident Program Execution Preprogrammed routines are resident in controller. Additional functionality available through non-resident software in Option Modules.
Resident/Supervisory. This controller supervises the scheduling of other controllers.
Resident/Stand Alone. This controller contains its own schedule.
Non-Resident. This controller is dependent upon another controller for its schedule.
None. This controller has no scheduling features.
Other (See 'Additional Programming Functions' below)
Resident Energy Management
Energy management algorithms for this controller can be custom programmed
Pre-programmed/built-in algorithms available, and are fully editable using custom programming
Pre-Programmed/built-in with limited editing via template-based programming
Controller is not typically used for energy management functions
Specific Pre-Programmed Algorithms Available
None (custom programming only)
None (not applicable)
Optimal Start/Optimal Stop
Peak Demand Limiting/Load Shedding
Economizer (enthalpy, dry-bulb, CO2, modulating/2-position, etc.)
Additional Energy Management functions are resident at SI
Additional Programming Functions
DDC Loops (P, PI, PID) PID
Automatic PID Tuning Feature Not provided. Fast trends (1 sec) are available to facilitate manual tuning.
Automatical-Dial Alarm Support Available at the system level only through optional Autodial Gateway and Remote Communications device. Not available at the controller level.
Does controller perform multiple retries and buffer/store alarm until connection is made? Not applicable
Are multiple destinations possible? Not applicable
Upon controller power loss or hardware failure:
Are network communications affected? No
Is loss recognized on/by the network and alarm reported? Yes
DO and AO response?
Outputs fail to a user pre-specified position
Outputs fail to a normal (unpowered) position
Outputs fail to last position
Volatile memory functions?
Retained for life of backup battery
Upon restoration of power does the controller:
Auto-reboot without operator intervention? Yes. A power failure restart routine is provided which allows the controller to resume full operation without operator intervention if within the 72 hr. specified backup period.
Automatically reset/synchronize the clock? Information not provided.
Update all monitored functions? Yes
Generate an alarm if backup battery is dead? Yes
Upon network or communications failure does controller:
Continue to operate standalone? Yes
Operate with last global settings or user-specified value? N.A.
Do broken network segments continue to communicate within the remaining segment?
(Note: May depend on proper termination of segments for higher speed networks.)
Information not provided.
Does network automatically reconfigure upon restoration? Information not provided.
Does network store 'loss of communications' alarm with time of event? Yes
Additional Information (optional)
Self Test Diagnostics
Does controller have internal self-test diagnostics to check:
Processor failure? Information not provided.
Internal hardware failure? Information not provided.
Open/shortened sensor? Information not provided.
Others? Information not provided.
Control Enclosure Processor is shipped in a NEMA enclosure rated for application as specified by the user. Enclosures are listed and labeled by ETL to comply with UL Standard 873.
Power Supply Required
Voltage Information not provided.
VA Information not provided.
Surge Protection Information not provided.
Underwriters Laboratories UL 916 PAZX (Energy Management)
FCC Part 15, Sub-Part B, Class A
LonMark Certified
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Not submitted for testing
Information not provided