1. Safety Summary Important Notice ● Hitachi - Johnson Controls Air Conditioning Inc. pursues a policy of continuing improvement in design and performance in its products. As such, Hitachi - Johnson Controls Air Conditioning Inc. reserves the right to make changes at any time without prior notice.
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Never bypass or jump-out any safety device or switch. ● Hitachi - Johnson Controls Air Conditioning will not assume any liability for injuries or damage caused by not following steps outlined or described in this manual. Unauthorized modifications to Hitachi - Johnson Controls Air Conditioning products are prohibited as they: * May create hazards which could result in death, serious injury or equipment damage;...
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NOTICE Take the following precautions to reduce the risk of property damage. ● Be careful that moisture, dust, or variant refrigerant compounds not enter the refrigerant cycle during installation work. Foreign matter could damage internal components or cause blockages. ● Do not install this unit in any place where silicon gases can coalesce. Any amount of drainage moisture condensate could settle inside of the electrical box, possibly causing electrical failures.
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* Where harmful gases can be generated from decomposition. ● Before performing any brazing work, be sure that there are no flammable materials or open flames nearby. ● Perform a test run to ensure normal operation. During the test run, keep fingers and clothing away from the device.
App/Web Figure 2.1 Sample of System Configuration 1. Hitachi-Johnson Controls Air Conditioning provides the airCloud Gateway, 4G Module (optional) and Cloud Platform; others are prepared by user. 2. Please refer to “4. App Operation” to get more information for remote access.
2.2 Names and Functions Names are as described in the following figure 2.2. Product Symbol Instruction Alternating Current This equipment is a Class II or double insulated electrical appliance. It has been designed in such Left Front a way that it does not require a safety connection to electrical earth.
2.4 Specifications Table 2.1 Hardware Specification Item Specification Dimensions W: 201mm, H:146mm, D:52mm Net Weight Approx. 540g Rated Power Supply AC 100V~240V 50/60Hz Power Consumption Max.8W 0˚C~+40˚C Ambient Temperature 30%~90%RH Storage Condition -10˚C~50˚C For indoor installation only Installation Place For wall mount or DIN rail mount Class of Pollution Table 2.2 Communication Specification for H-LINK Item...
3. Installation Overview Follow instructions 1-4 to install and power on it. 1. Installation Refer to “3.1 Installation” to perform installation work. Refer to “3.2 Electrical Wiring” for wiring and switch settings. 2. Electrical Wiring 3. Test Run Refer to “3.3 Test Run” for turning ON to perform test run. Check the POWER LED lights On and ERROR LED OFF.
3.1 Installation 3.1.1 Installation Location Select a place that meets the following: 1) Refer to “1. Safety Summary” of this installation manual. 2) Place where the airCloud Gateway can be firmly fixed with screw for wall mount or DIN rail. 3) Place where cannot be easily accessed (e.g., inside of control console).
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3.1.3 Installation Procedure (1) Secure enough space as illustrated in Figure 3.1. ≥100mm ≥20mm ≥20mm Figure 3.1 Installation Location (2) There are two mount methods: Wall mount and DIN rail mount. For any installation method, ensure that the wire outlet faces the floor and keep the airCloud Gateway mounted vertical not horizontal.
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(2-1) Wall Mount (a) The wall is wooden. (a-1) Remove the cover of the airCloud Gateway. Firmly fix airCloud Gateway on wall through foot hole with self-tapping screws. Four screw mounting holes Open the top cover Remove the screw in the direction in the direction of the arrow of the arrow...
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130.5 ± 0.3mm Four screw mounting holes Figure 3.5 Install on Non-wood Wall (2-2) DIN rail installation (a) Firmly fix the rail on the wall. DIN guide rail DIN guide rail: self-prepared Figure 3.6 DIN Rail Installation...
(b) Install the airCloud Gateway on the guide rail by the clip. Wall Wall Guide rail Guide rail Clip Clip Push up the clip Pull down the middle clip of the lower body and embed the guide rail at the same time Figure 3.7 Install on the DIN Rail 3.2 Electrical Wiring Read and understand “1.
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3.2.1 Wiring Procedures (1) Ensure that the power line and the power on devices connected are all turned off before performing any wiring work. (2) Unscrew the bottom screws. (3) Press two snap-joints at the lower end of the upper cover, remove the cover. Screw Open the top cover Remove the screw...
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(5) Follow the instruction below to perform power wiring work. Table 3.2 Connecting Wires Type of Wiring Power Line Power Input AC 100~240V 50/60Hz Wiring Length AWG15(1.5mm ) to AWG12(2mm Cable Specification Outer diameter finish is up to 10mm Terminals/Connector M3 Screw Terminal Screw Tightening Torque: 0.5 N·m Line pressing board...
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(6) Fix the power board cover with screws. Tighten screws (torque: 0.6N•m) Figure 3.10 Fix the Cover of Power Board 3.2.2 4G Module Installation 4G Module is optional for airCloud Gateway. If use 4G module, insert the 4G module on USB port as below: 4G Module Figure 3.11 Insert 4G Module NOTE:...
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3.2.3 Switch Setting Procedures Change switch setting before turning on. Switch setting is as follows. Factory default setting may need to be changed depending on use in the field. Table 3.3 Switch Settings Switch Mode Setting Factory Remarks Restore Factory Setting Pin No.
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3.2.4 DHCP Mode In DHCP mode, there is no need of manual IP configuration. Refer to “3.3 Test Run” for the following opeartion. IT Consideration (1) Please confirm that there is a DHCP server in the current LAN network environment. As a client, the airCloud Gateway will automatically obtain the IP/subnet mask/default gateway/ DNS information from the DHCP server.
3.3 Test Run After completing installation, wiring operation, switch setting and configuration, use the following procedure to turn ON the power for airCloud Gateway. (1) Turn ON the power for all air conditioners on the system. ● Complete test run on all air conditioners first to confirm their health. (2) Ensure the pins of DS1 on airCloud Gateway are correct.
5. Local Web for Firmware Update airCloud Gateway firmware update and basic monitoring can be conducted through local web browser. ● Before you login airCloud Gateway, please make sure you know the LAN IP Address of airCloud Gateway. (airCloud Gateway supports dynamic IP address which could be got from the App.) ●...
5.3 Rediscover Devices In condition there are any changes in the refrigerant system, such as removing or adding units from/to the system, including remote controller changes, make sure to update the connection information for airCloud Gateway by “Rediscover Devices”. Otherwise, the changing will not express until you perform this action.
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LAN Static Configuration To change the IP address of airCloud Gateway to meet target network, follow the steps below: (1) Click “Setting” in main menu, then go into “Ethernet Information”, set the IP Address and related parameters. Figure 5.4 LAN Static Configuration (2) Click “Save”...
IT Consideration: 1. Proxy server needs to support HTTP/1.1 protocol “CONNECT” method. 2. The proxy server must support to forward data to destination port 80, port 443 and port 8883. 3. Proxy user name password authentication must be basic (BASE64) encrypted. 4.
* Please contact your local contractor if you have any problems. For software package access, please contact via the service mailbox. E-mail: JCH-IoT-Service@jci-hitachi.com (3) Click “OK” in the displayed confirmation screen. This will make the airCloud Gateway restart immediately and execute the upgrade operation.
5.9 Indoor Unit Status Click the indoor unit name to check the detailed information. Figure 5.12 Indoor Unit Status 5.10 Indoor Control The “Control” area is below the “Status” area. From the control area, change the operation mode as below. Figure 5.13 Indoor Control Press “Set”...
5.11 RC Operation Prohibit The “RC operation prohibit” area is below the “Control” area. From the “RC operation prohibit” area, set the function of remote controller. Figure 5.14 Remote Controller Disable Click “Set” will make new setting effective immediately. ● If other central controller and the following is connected to the system, “RC operation prohibit”...
6. Reset to Factory Default Turn ON the power for airCloud Gateway on the condition that the pins of DS1 are set as "Reset to Factory Default" mode (refer to 3.2.3 Switch Setting Procedures), the setting of airCloud Gateway will restore reset to default factory setting. After entering the factory reset program, all LEDs except the power supply flash until the factory reset is completed, and all LEDs are turned OFF.
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Table 7.2 Indications and Condition for ERROR LED and Error Code of airCloud Gateway ERROR Indication State Lights/indicates when Goes OFF/clears when Error Code LED state priority Software start up Detected abnormality on the The software has no error/ failure software.
8. Maintenance and Service 8.1 Troubleshooting Solutions The following table identifies possible troubleshooting solutions for abnormal conditions. Ensure the power line is turned off before performing any checking described in the table. If the answer of checking is yes, please check the next item in the list. If not, please carry out action.
Item Phenomenon Check Action Is the airCloud Gateway installed Make sure the airCloud Gateway is installed in the area covered by The connection in the area covered by 4G? 4G signal. with Cloud cannot be established. If none of the above applies to the circumstances and phenomenon Do the 4G signal strength LEDs (4G module is described on the left remains, airCloud Gateway may have an...
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Appendix Ⅰ 附錄 Ⅰ Web Browser Username and Password: ウェブブラウザーユーザー名とパスワード : Web 瀏覽器用戶名和密碼 : Stick here Device ID and License (Scan the QR code below through App to bind the device): プロダクト ID とライセンス(アプリと本機とを紐付けする際に使用します): 設備 ID 和許可證(通過 App 掃描以下二維碼,綁定設備): Stick here...