CoolAutomation CoolMaster 1000D Manuel utilisateur
© 2008 Cool Automation
CoolMaster User Manual
Revision 1.00 19/09/2010
CoolMaster
www.coolautomation.com
Universal Interface Adapter
for VRV, VRF
Air Conditioning Systems
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T
CoolMaster 4000M
2Contents
www.coolautomation.com ©2008CoolAutomation
CoolMaster User Manual
Table of Contents
Foreword 0
General Discription 3
...................................................................................................................................3
Overview ...................................................................................................................................3
Compatibility ...................................................................................................................................4
Main Features
FunctionalDiscription 5
Specifications 7
...................................................................................................................................7
Port Definition ...................................................................................................................................8
Technical specification
InstallationInstructions 9
...................................................................................................................................9
Accessories ...................................................................................................................................9
Placement and Mounting
...................................................................................................................................10
Connection and Wiring
...................................................................................................................................12
Power Supply ...................................................................................................................................13
Connection to non VRV/VRF Units
...................................................................................................................................14
Precoutions
User Interface 15
...................................................................................................................................15
LCD Screen Explanation
...................................................................................................................................16
Led Functions ...................................................................................................................................16
PC connection ...................................................................................................................................19
Commands List
TroubleShooting 20
General Discription
CoolMaster User Manual 3
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General Discription
1
Overview
1.1
CoolMaster product is a versatile gateway device connecting VRV/VRF Air Conditioning systems to
BMS, Embedded PC or any Home Automation Controller. Exposing simple interface over RS232
communication line, CoolMaster provides an access to VRV/VRF system parameters and enables full
control and monitoring of the system by the third party equipment. In other words CoolMaster hides
complexity of internal Air Conditioning System’s communication line (including very unique physical
layer) and provides instead a simple, comprehensive, well documented protocol running on popular
RS232 serial connection. The product is provided with LCD that continuously indicates the status of
indoor units and malfunction alerts. Basic connection of the product within the system can be seen at
the following picture.
Compatibility
1.2
The CoolMaster range of products is compatible with several leading VRV/VRF air conditioning
systems. Each manufacturer requires different modification of the CoolMaster, as described in the
following table.
VRV/VRF Manufacturer
Product Name
Daikin
CoolMaster 1000D
Sanyo
CoolMaster 2000S
Toshiba
CoolMaster 3000T
Mitsubishi Electric
CoolMaster4000M
In VRV/VRF air conditioning system, regardless the specific AC manufacturer, CoolMaster should be
connected to the main air conditioning communication line. The specific details about connection to
the AC system are provided in Connection and Wiring paragraph.
General Discription
CoolMaster User Manual 4
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Using the CoolMaster with non VRV/VRF systems will require additional interface adaptors for each
indoor unit.
VRV/VRF
Manufacturer
Product Type
Interface Adaptor
Daikin
Split, Sky Air, Multi
KRP928, DTA112
Mitsubishi Electric
Mr Slim, Multi Split
MAC-399IF-E, PAC-SF80MA
The detailed description of the connection can be found in Connection to non VRV/VRF Units
paragraph.
CoolMaster can be connected to different home automation controllers that have a controllable
RS232 port (Vantage, Lite Touch, Unitronics, AMX, Crestron, Pronto, Control4, Domintel, etc), BMS,
PC.
Main Features
1.3
·Simple RS232 Interface for Easy Integration
·Monitoring of the Air Conditioning System
·Operation Status
·Operation mode (Cool/Heat/Fan/Dry/Auto)
·Set Point Temperature
·Fan Speed
·Room Temperature
·Swing status (On/Off)
·Filter Sign
·Malfunction code
·Controlling of the Air Conditioning System
·Operation status (On/Off)
·Operation mode (Cool/Heat/Fan/Dry)
·Set Point Temperature
·Fan Speed
·Reset Filter Sign
·Swing (On/Off)
·Plug&Play Device
·Field Upgradeable Firmware
·Customizable for Specific Applications
Functional Discription
CoolMaster User Manual 5
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Functional Discription
2
Simple RS232 Interface for Easy Integration
CoolMaster is equipped with an RS232 serial port. The port can be used in two different ways:
1. Configuration and monitoring of the air conditioning system from PC using simple Windows
based terminal program. (See PC connection)
2. Connected to Home Automation controller or BMS.
See Commands List for brief description of supported commands. The complete documentation can
be found in Programmers Reference Manual.
Air Conditioning System Monitoring
CoolMaster enables Home Automation controllers or BMS to receive the air conditioning system
status. The status is provided by CoolMaster as a response to "stat" command (The syntax and
operands of the command can be found in Programmers Reference Manual). CoolMaster can provide
following information for each indoor unit in system:
·Operation mode - This parameter indicates whether the required indoor unit is set for Cooling,
Heating, Fan, Dry or Auto operation.
·Thefeedbackreturnsthe operation mode regardless operation status(whethertheunit is "ON" or "Off').
·Withinthesameairconditioningsystemdifferentindoorunitscanbeindifferentoperationmode.
·Set Point Temperature - This is the desired temperature defined by user on the given indoor unit.
·Fan Speed - Currently set fan speed of the monitored indoor unit. There are 4 available Fan
Speeds: High, Medium, Low and Automatic.
·SanyoandToshibasupportall4FanSpeeds.
·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).
·Room Temperature - This is the temperature, measured in the return air inside the monitored
indoor unit.
·Thistemperaturemeasurementshowsonlythetemperatureinsidetheindoorunitanditdoesn'talwaysindicate
correctlythetemperatureintheroom.
·Swingstatus - This parameter indicates whether the swing operation is "on" or "off" in the monitored
indoor unit.
·Thisparameterisonlyavailableforwallmountedandcassettetypeindoorunits.
·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.
·Malfunction code - When abnormal operation of the air conditioning system occurs, there will be an
indication, regarding the malfunction. The malfunction can be local. In this case the specific indoor
unit will be halt and malfunction code will appear on the local thermostat. When the malfunction is
general, the whole air conditioning system will stop and the malfunction code will be shown in all
local thermostats.
·Whenrunning"stat" command for a certain indoorunitthere might be more thanonemalfunction code.
Functional Discription
CoolMaster User Manual 6
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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'.
Specifications
CoolMaster User Manual 7
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Specifications
3
Port Definition
3.1
RS232 Interface connector used in Cool Master is D-Type 9-pin DB9 female connector.
Cool Master DB9 Connector front view
DB9 Pin
Signal Lvel
Description
2
±12V
TxD (Data from Cool Master)
3
±12V
RxD (Data to Cool Master)
5
GND
Ground
Connecting Cool Master to Home Automation Equipment
According to RS232 specification cable length should not exceed 25m. RS232 Cable supplied with
Cool Master is 1.5m length suitable for direct connection to PC RS232 serial port.
Pleasenote that for certaincontrollers it must be required to usecable with cross linked the Transmit(2) andthe
Receive(3)pins.
Specifications
CoolMaster User Manual 8
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Technicalspecification
3.2
Item
Specification
Power Supply
9 v DC
Installation Method
Wall Mounted or DIN Rail Mounted
Operating Conditions
Surrounding
Temperature
C
0 –45 °C
Humidity
%
Less then 85 % RH
Dimensions
H x W x D
mm
30 x 115 x 60
Weight
gr
300
LCD
Characters
16 x 1
Maximal number of indoor units
Depends on the manufacturer
Maximal number of outdoor units
Depends on the manufacturer
Maximal allowable wiring length (to BMS over
RS232)
m
25
Communication functions
RS232
9P RS232 Port (Femail Connection)
Aircon Communication
2 wired cable
Installation Instructions
CoolMaster User Manual 9
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Installation Instructions
4
Accessories
4.1
Standard Accessories
The following accessories are shipped within the kit. The power adaptor can be selected according to
domestic AC standards (see Power Supply).
Name
RS232 Cable
Power Adaptor
Quantity
1
1
Shape
Optional Accessories
The following accessories can be supplied on demand depending on the desired installation location
of the CoolMaster.
Name
DIN Rail Fixing
Wall Mounting Plate
Quantity
1
1
Shape
Placement and Mounting
4.2
The CoolMaster should be placed in a dry ventilated place. It is usually advised to be installed in the
electricity closet near the BMS/Home Automation controller since the length of the RS232 connecting
cable is limited (see Technical specifications). In this case it is advised to use the optional DIN Rail
Fixing, as shown in the following diagrams.
Another option is mounting the CoolMaster directly on wall with Wall Mounting Plate (Accessories).
Installation Instructions
CoolMaster User Manual 10
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Connection and Wiring
4.3
The connection of the CoolMaster to the system is based on 3 steps:
1. Power supply connection.
2. Connection to the Air Conditioning Communication line.
3. Connection to the BMS/Home Automation controller.
Power Supply connection
The power plug is supplied with the CoolMaster and connected as shown in the following figure.
Connection to the Air Conditioning Communication line
The CoolMaster is simply wired to the Main air conditioning Communication Line anywhere within the
system. It can be wired to the terminals on one of the indoor units, directly to the terminals on the
outdoor unit or to the terminals on one of the centralized controllers. Schematic connection is shown
in the diagram below.
Make sure to connect the communication wires to exact terminal names according to the table below.
Daikin
Toshiba
Sanyo
Mitsubishi Electric
Main Communication Line
D3 Net
TCC Link
S3 Net
M-Net (TB3, TB7)
Terminal names
F1 F2
U1 U2
U1 U2
M1 M2
Polarity
none
none
none
none
Number of Indoors
64
64
64
50
Number of Outdoors
10
10
10
10
Shielded wiring
not required
required
required
required
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