Functional Discription
CoolMaster User Manual 6
www.coolautomation.com ©2008CoolAutomation
Controlling the Air Conditioning System
·Operation mode - CoolMaster enables Home Automation controllers or BMS to set the operation
mode of each indoor unit independently. Cool, Heat, Fan, Dry and Auto operations are possible.
·Forheat pump airconditioningsystemCoo" and Heatoperationstatuscannotbe setsimultaneouslyfor2different
indoorunits.Forexample,onceatleastoneoftheindoorshasbeensetforCool,allotherindoorswithinthesystem
cannotbeset to Heat.
·InDaikin air conditioning systems one of the indoors can be setas a master for Cool or Heat operation.In this case,
CoolorHeatoperationof thewholeairconditioningsystemmaybe carriedonlyby sendingtheCoolor Heat
commandto this specific indoor unit.Sending the Cool or Heatcommand to other indoors willhave no effect.
·Operation status - CoolMaster enables Home Automation controllers or BMS to turn indoor units on
and off.
·Set Point Temperature - The Set Point Temperature of each indoor unit can be changed separately
in two ways:
1. Defining the desired temperature.
2. Raising or lowering the existing set temperature by the defined delta.
·Fan Spped - CooMaster enables Home Automation controllers or BMS to change the fan speed of
the specified indoor unit.There are 4 available fan speeds: Low, Medium. High and Auto.
·Sanyoand Toshiba supportall4FanSpeeds.
·Mostof the Daikinindoor units supportonly 2 FanSpeeds: High andLow.
·Some of the new Daikin units (FXDQ-P and FXMQ) support 3 Fan Speeds: High (HH), Medium (H) and Low (L).
·Reset Filter Sign - Each indoor unit is designed to show a reminder regarding cleaning the filters.
After certain number of operation hours the "filter" sign will be shown on the local remote controller.
The time period, after which the sign appears may differ between different types of indoor units.
CoolMaster enables Home Automation Controllers or BMS to send a command to the system that
will reset the filter sign.
·Swing (On/Off) - CoolMaster enables Home Automation Controllers or BMS to change the status of
the "Swing" function on each indoor unit from "On" to "Off" and vise versa. Swing function is
available on wall mounted and cassette type
Plug&Play Device
When CoolMaster is connected to the air conditioning system, it does not require any additional
configuration. After connecting the wiring, supplying the power and defining addresses of the indoor
units (as explained in the installation chapter) the system is ready to work.
Field Upgradeable Firmware
When new features are added or some changes has been applied to the CoolMaster's functionality,
the firmware of the already installed CoolMaster can be easily upgraded by the user himself. The
latest firmware can be always downloaded from http://www.coolaut.com/secdown/ using the following
user name and password:
User : cooluser
Password : coolpasswd
The upgrade process is described in details in Programmers Reference Manual.
Customizable for Specific Applications
CoolMaster has a number of optional functions, that can be ordered by demand in order to fit specific
customer needs. Example of optional features:
1. Digital/Analog I/O.
2. Connection to the additional devices, such as CoolEx, CoolBridge etc'.
