COOLGATE
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CoolGate Programmers Reference Manual (PRM) CoolGate CoolGate PRO Interface Adapter MODBUS to VRV,VRF Air Conditioning Systems

Table of Contents 1 Release Notes 3 General Address Allocation 4.1 Address Conversion Tables 5 Indoor Group Operations 6 Indoor Internal Parameters 7 Outdoor Systems 7.1 CoolGate D 8 Outdoor Unit Parameters

Release Notes Release Notes Document revision 0.13 Saturday, July 14, 2012 Lowest Compatible FW version CoolGate CoolGate PRO 2.3.8 2.3.8 2.3.8 n.a. 2.3.8 n.a 2.3.9 2.5.7 2.6.4 n.a. 2.5.6 n.a. 2.5.3 n.a. 2.6.3 n.a. Document revision history · 0.13 - Set Temperature *100 Holding Register · 0.12 - CoolGate 7000F - Address Conversion Tables · 0.11 - CoolGate 6000L · 0.10 - VAM HRV Support in CoolGate D · 0.9 - CoolGate 4000M PRO Features · 0.8 - CoolGate 8000I(MH) · 0.7 - CooGate 4000M PAC-YG63, PAC-YG66 support · 0.6 - Indoor Central Address support for 2000S,3000T - Updated Failures Table ·...

CoolGate Layout CoolGate Layout CoolGate supports Modbus RTU Transmission Mode with following byte format: Baud Rate Start Bits Data Bits Parity Stop Bits Physical bytes transmission is done over “Two-Wire” electrical interface in accordance with EIA/TIA-485 standard via 485-A and 485-B terminals. CoolGate Modbus address is reported on LCD. It can be changed via RS232 terminal with set modaddr command. For details see CoolMaster Programmers Reference Manual (PRM).

General Address Allocation General Address Allocation Coils,Registers, Address Access To Address Range Zone Size (hex) 128x16=0x800 Indoor Internal Parameters 0001 - 0800 via AirNet 000-127 16x16=0x100 Outdoor System Parameters 0-15 0801 - 0900 0901 - 0B00 Reserved Indoor Units 1-00 - 15-99 AirNet = (Address-1 >> 4) Outdoor System = (Address-1-0x800)>>4 Outdoor Unit = (Address-1-0x900)>>5 Reserved Indoor Group Operations Reserved Indoor System = (Address-1-0x1000) >> 12 + 1 Indoor Unit = ((Address-1-0x1000) >> 4) & 0xFF Backward conversion Indoor System Parameters via AirNet 000-127 Outdoor...

Indoors Address Map Indoor Base Discrete Inputs Unit Address (hex) (hex) 1-00 1001 1001 Present On/Off Filter Sign Room Temperature Failure Code Mode Fan Speed Set Temperature Set Temperature *100 ... ... ... ... Indoor Unit - Indoor Unit number same as in stat command. Set Temperature *100 provides option to read/write set point with 0.01 precision. It is supported only in · CoolGate D v2.6.9 or higher (max precision 0.1 degree). CoolGate Type D Mode Encoding Cool 0 Heat 1 Auto 2 Dry 3 Haux 4 Fan 5 Fan Speed Encoding Low 0 Medium 1 High 2 Auto 3 www.coolautomation.com

Pare meter Room Temperature Failure Code Pare meter Room Temperature Failure Code Pare meter Room Temperature Failure Code

Pare meter rcuuii I I tri iijjci ui.iji c rtlllUIC ^\JUtr Pare meter K.uuiii i trnipei ai.uie rtlllUIC L-UUt? Pare meter Room Temperature Failure Code Pare meter

Indoor Group Operations Indoor Group Operations Discrete Inputs (hex) Coils (hex) F701 All On/Off (Write Only)

Indoor Internal Parameters Indoor Internal Parameters Access to Indoor internal parameters available in CoolGate PRO only. CoolGate D To access indoor internal parameters in CoolGate D type Indoor units must be assigned AirNet address. AirNet address range is 000-127 AirNet Address 000 Suction Temperature Liquid Pipe Temperature Gas Pipe Temperature EV Opening Failure Code CoolGate M Unit Address Indoor Unit Type Code TH1*10 TH1 Indoor Type Codes Code Indoor Type (hex) 80FF F/P (VRV Indoor) 800F F/P (VRV Indoor) 800C PUHZ-RP4HA (Mr SLIM) www.coolautomation.com

Indoor Internal Parameters Note: 1. Parameter*10 means that value read from CoolGate should be divided by 10 to get real parameter value. 2. For understanding of the meaning of the parameter codes please refer to this document: Maintenance Tools for MN converter & G-50A -Advanced

Outdoor Systems Outdoor Systems Access to Outdoor system parameters available in CoolGate PRO only. CoolGate D Outdoor System 0 System HP System Current in 0.1A units Evaporation Temperature Condensing Temperature System Failure

Outdoor Unit Parameters Outdoor Unit Parameters Access to Outdoor Unit parameters available in CoolGate PRO only. CoolGate D Outdoor Unit Ambient Temperature Suction Temperature Evaporation Temperature Condensing Temperature Inverter Revolution Speed EV Opening 1 EV Opening 2 STD1 STD2 Fan Step

Outdoor Unit Parameters CoolGate M Outdoor Unit Address 051 Outdoor Type Codes Code Indoor Type (hex) 83A9 PUHY 83A2 PURY Note: 1. Parameter*10 means that value read from CoolGate should be divided by 10 to get real parameter value. 2. For understanding of the meaning of the parameter codes please refer to this document: Maintenance Tools for MN converter & G-50A -Advanced

Special Devices Special Devices PAC-YG63, PAC-YG66 CoolGate 4000M v2.5.6 and higher supports PAC-YG66 - digital I/O extender and PAC-YG63 - analog I/O extender. Access to this devices available via Indoor Units address range. Below are examples for PAC-YG66/63 at centralized address 001. · PAC-YG66 Indoor Base Unit Address (hex) 001 1011 Input Input Input Input Input Input Failure Code Output 1 Output 2 Output 3 Output 4 Output 5 Output 6 · PAC-YG63 Indoor Base Discrete Inputs Unit Address (hex) (hex) 001 1011 1011 Present Failure Code Analog Input 1 *10 Analog Input 2 *10 The actual Analog...

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Failure Codes

Failure Codes