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EGW05-SWHPEG-20140724
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BUILDING AUTOMATION SYSTEM (BAS) CONNECTION
The PoolPak™ ECC III control system provides four optional Building Automation System (BAS) connection types;
LonWorks, Modbus RTU, BACnet/IP, or BACnet MS/TP. When the optional Remote Access Package (RAP) is installed,
BACnet/IP is the only option available.
When the ECC III is equipped with the BACnet/IP interface, the RJ45 connection is to the serial card port on control
module CM1. All other interface options are connected to terminal block T16 in the main control panel.
POOLPAK REMOTE ACCESS PACKAGE (RAP)
The PoolPak™ Remote Access Package (RAP) is a stand-alone communication system. The system runs an embedded
web server over an IEEE 802.3 10/100 BaseT Ethernet. The web server operates on TCP/IP port 80, the Internet
default for web traffic. The web server port is configurable. The RAP can be accessed from either an internal network
or the Internet. IP addresses and ports must be routed to the RAP for access via the Internet. Virtual Private Network
Connections (VPN) to the RAP will not be supported.
SEND EMAILS – ALERTS FOR ALARMS
When a critical alarm occurs with the PoolPak™ unit, the RAP will send an email to the PoolPak™ Service Department,
via a mail server maintained by PoolPak™.
ECC III NETWORK OPERATION
ECC III networking allows up to five PoolPak™ units to be connected together over a proprietary, private network.
The units will work with each other to control water temperature, air temperature and relative humidity. Networked
PoolPak™ units have all the features of standard PoolPak™ units plus the ability to control water temperature in
multiple pools. All units on the network are accessible from any RIU (Remote Interface Unit) on the network. Refer to
the Multiple Unit Interface diagram in the wiring section of this manual for multiple PoolPak unit field communication
loop connections.
Networked ECC III units operate in a master/slave environment. This means that the fuzzy logic engine in one unit
(master) determines heating, cooling and dehumidification requirements and broadcasts them over the network to the
other units (slaves). This ensures that each unit will make control decisions based on the same information. During
steady state conditions, all units networked together will operate in the same basic mode (i.e., heating or cooling). Slight
discrepancies in damper position and number of stages active are normal. This is caused by slight sensor calibration
differences among the units.
Each networked unit contains all sensors and controls necessary for independent operation and is capable of acting in
the master role. Units on the network are identified by an address of one to five. The unit with the lowest address having
no un-cleared alarms will be the master unit. If an alarm condition occurs in the master unit, it will give up the role
of master. The unit with the next lowest address and no un-cleared alarms will take over the master role. The unit that
experienced the alarm condition will operate in the slave role until the alarm is cleared at the RIU. In the unlikely event
that all units have un-cleared alarms, they will each act individually.
A single RIU can be used to monitor all units on the network. Indicator lights beside Roman numeral buttons I through
V indicate which unit is being displayed. The next unit in line can be selected by pressing the V button. If an alarm
condition occurs in a unit, the corresponding light will flash and the RIU will automatically switch to the unit with the
alarm. The light will continue to flash even if the RIU is displaying another unit.
For the standard configuration, all set points can be changed while the RIU is displaying any unit. The set point is
automatically updated in every unit on the network. Other configurations may require the RIU to be displaying a
particular unit to change the set point.