Hitachi airCore 700 Installation & Maintenance Manual
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Summary of Contents for Hitachi airCore 700
- Page 1 – INSTALLATION & MAINTENANCE MANUAL – Premium Zoning Kit for MODELS GC-AZKP GC-ZKT PC-ARFG2-Z P02154Q...
- Page 2 Important Notice • Johnson Controls-Hitachi Air Conditioning pursues a policy of continuing improvement in design and performance in its products. As such, Johnson Controls-Hitachi Air Conditioning reserves the right to make changes at any time without prior notice. • Johnson Controls-Hitachi Air Conditioning cannot anticipate every possible circumstance that might involve a potential hazard.
- Page 3 5. Liability does not cover defects originating from unauthorized modifications performed by a customer without the written consent of Johnson Controls-Hitachi Air Conditioning. Performing any mechanical alterations on this product without the consent of the manufacturer renders your warranty null and void.
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Page 4: Table Of Contents
Table of Contents 1. Safety Summary ............................1 2. Zoning Kit Configuration ..........................4 2.1 Product and Accessories ........................4 2.2 Optional Parts (Sold and Supplied Separately) ...................5 2.3 Zoning Kit Application ...........................5 2.4 Compatible Air Conditioning Unit ......................6 3. Specifications ...............................7 3.1 Zone Interface Box Specifications ......................7 3.2 Thermostat Specifications ........................8 3.3 Other Specifications ..........................9 4. -
Page 5: Safety Summary
Use only Johnson Controls-Hitachi Air Conditioning genuine replacement parts. • Johnson Controls-Hitachi 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 Johnson Controls-Hitachi Air Conditioning products are prohibited as they: ○... - Page 6 INSTALLATION & MAINTENANCE MANUAL Take the following precautions to reduce the risk of property damage. • Do not touch the main circuit board or electronic components in the controller or remote devices. Make sure that dust and/or steam does not accumulate on the circuit board. •...
- Page 7 When shielded cabling is applied, proper bonding and termination of the cable shield is required as per Johnson Controls-Hitachi Air Conditioning guidelines. Plenum and riser ratings for communication cables must be considered per application and local code requirements.
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Page 8: Zoning Kit Configuration
INSTALLATION & MAINTENANCE MANUAL 2. Zoning Kit Configuration The terminologies used in this specification are as following: Terminology Definitions Zone Interface Box supports the control of 8 zones, but during installation, any zone of the 8 zones that is not used can be disabled through primary Wired Enable/Disable Zone Remote Controller. -
Page 9: Optional Parts (Sold And Supplied Separately)
INSTALLATION & MAINTENANCE MANUAL 2.2 Optional Parts (Sold and Supplied Separately) Name Model Shape Summary Wired For air conditioner and Zone Interface Box Remote PC-ARFG2-Z operation, at least 1 controller is needed. Controller For individual zone operation and room Thermostat GC-ZKT temperature detection. -
Page 10: Compatible Air Conditioning Unit
INSTALLATION & MAINTENANCE MANUAL NOTES: 1. Zone control functions are available only with a Wired Remote Controller PC-ARFG2-Z connected. Zone control functions are not available with other types of controllers. 2. Any other types of central controller can not be connected. 3. -
Page 11: Specifications
INSTALLATION & MAINTENANCE MANUAL 3. Specifications 3.1 Zone Interface Box Specifications Item Specification Model GC-AZKP Dimension (mm) W324 x H226 x D110 Net Weight 3.95Kg Installation Place For indoor installation Ambient Temperature -20 ºC ~60 ºC Ambient Humidity 10%~95% RH (applied under no condensation condition) Rated Power Supply AC 230V±10%/50Hz/1Ph Power Consumption... -
Page 12: Thermostat Specifications
INSTALLATION & MAINTENANCE MANUAL Component Names Figure 3.2 below shows the Zone Interface Box with the cover removed. The names of each component is labeled in the figure below with the function of each in brackets ( ). For detailed wiring instructions, please refer to section "6. -
Page 13: Other Specifications
INSTALLATION & MAINTENANCE MANUAL 3.3 Other Specifications Zone Damper Motors (field supplied) Item Specification Damper Motor Type Drive open or drive close Voltage AC 24 V Damper Motor Frequency 50 Hz Maximum Operating Current (per damper motor) 167 mA or less Maximum Electric Power (per damper motor) 4 VA or less Damper Motor Connection Type... -
Page 14: Installation Work
INSTALLATION & MAINTENANCE MANUAL 5. Installation Work 5.1 Zone Interface Box Installation 5.1.1 Place to Install Select a place that meets following requirements: (1) Refer to the clause "1. Safety Summary" of this installation manual. (2) Place where Zone Interface Box can be securely fixed. (3) Place where the Zone Interface Box cannot be tampered with. -
Page 15: Wired Remote Controller Installation
INSTALLATION & MAINTENANCE MANUAL 5.2 Wired Remote Controller Installation The Wired Remote Controller model compatible with the Zone Interface Box is PC-ARFG2-Z. For detailed installation, please see steps below. [Before Installation] (1) This packing contains the following parts. Installation & Maintenance PC-ARFG2-Z Name Operation Manual... - Page 16 INSTALLATION & MAINTENANCE MANUAL (2) According to different controller installation methods, choose one of the following two ways to install the mounting plate and connect the cable . Method 1 : To mount the controller directly on the surface of a wall: Draw-out Hole Cable D.
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Page 17: Thermostat Installation
INSTALLATION & MAINTENANCE MANUAL 5.3 Thermostat Installation [Before Installation] (1) This packing contains the following parts. Thermostat(GC-ZKT) Item Screw Connecting Wire Appearance M4 × 16mm Qty. (2) When installing two thermostats one above the other, allow a gap of at least 50mm between the two. more than 50mm [Installation Procedures] (1) Insert the edge of the slotted screwdriver into the groove at the bottom of the mounting plate, push... - Page 18 INSTALLATION & MAINTENANCE MANUAL (2) According to different controller installation methods, choose one of the following two methods to install the mounting plate and connect the cable . Method 1 : To mount the controller directly on the surface of a wall: a.
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Page 19: Electrical Wiring
INSTALLATION & MAINTENANCE MANUAL 6. Electrical Wiring 6.1 Wiring Procedures (1) Read and understand well "1. Safety Summary" in this manual prior to commencing wiring connections. (2) The electrical wiring work must be performed by licensed electricians. If not, it may cause an electric shock or a fire. - Page 20 INSTALLATION & MAINTENANCE MANUAL Connect it directly Connect it with as shown below crimping terminal Standard wire Bare wire Figure 6.1 Shape of Single Wire for Connection Tightening Torque for Terminals Terminals Size Tightening Torque (N·m) Terminal for Wired Remote Controller and Thermostat M2.5 Terminal for Power supply 1.0-1.3...
- Page 21 INSTALLATION & MAINTENANCE MANUAL (2) Remove the screws of cable clamps cover and insert the wires through the bushes of the wiring inlet openings. 1, 2, 3 & 4 1, 2 & 3 4, 5, 6 & 7 5, 6, 7 & 8 1 &...
- Page 22 INSTALLATION & MAINTENANCE MANUAL 1, 2, 3 & 4 1, 2 & 3 4, 5, 6 & 7 5, 6, 7 & 8 1 & 2 Figure 6.4 Wiring Connection for Plug-in Type...
- Page 23 INSTALLATION & MAINTENANCE MANUAL (3) Carry out the field electrical wiring work as shown in the figure above. a. Connect the power cables to the terminal block (L, N) and earth wire to the grounding terminal in the electrical control box. b.
- Page 24 INSTALLATION & MAINTENANCE MANUAL 6.2.3 Wired Remote Controller Wiring Modes (1) Direct connection (recommended). Figure 6.6 Wired Remote Controller Connection Mode1# Figure 6.7 Wired Remote Controller Connection Mode2# (2) Junction box applied. Figure 6.8 Wired Remote Controller Connection Mode3#...
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Page 25: Wiring Diagrams
INSTALLATION & MAINTENANCE MANUAL 6.3 Wiring Diagrams... -
Page 26: Field Setting
INSTALLATION & MAINTENANCE MANUAL 7. Field Setting DO NOT Perform Test Run during system starting or before following settings are completed. 7.1 Zone Installation Setting 7.1.1 Zone Configuration Setting If the wired controller is connected to the zone interface box, the “Zone Installation Menu” is displayed in the “Service &... - Page 27 INSTALLATION & MAINTENANCE MANUAL (1) Common Zone Setup Sets whether a common zone is used. A common zone is one that does not have a damper or damper motor installed and whenever the air conditioning system is operated, this zone is always Layout 1 (With common zone) Outlet Zone 1...
- Page 28 INSTALLATION & MAINTENANCE MANUAL (2) Zone Activation Zone activation is required to set the number of zone that will be used, and to activate the respective zone motor terminals on the zone interface box. NOTE: • When “common zone setup” has been set but “zone activation” has not been set, " " is displayed for other setting items after “Zone Labeling”.
- Page 29 INSTALLATION & MAINTENANCE MANUAL 7.1.2 Zone Configuration Setting from Wired Remote Controller The Wired Remote Controller model compatible with the Zone Interface Box is PC-ARFG2-Z. The Wired Remote Controller installation setting steps are as follows. Zone Installation Menu If the wired controller is connected to the zone interface box, "Zone Installation Menu" is displayed in "Service &...
- Page 30 INSTALLATION & MAINTENANCE MANUAL 7.1.2.2 Zone Activation This function is to enable or disable zone from zone1 to zone8. Step1. Select "Zone Activation" and press "OK". Zone Installation Menu (Mon) 16:30 Common Zone Setup Zone Actisation Zone Labeling Nominate Spill Zone(s) Sensor Assignment OK Select Back...
- Page 31 INSTALLATION & MAINTENANCE MANUAL Step6. The confirmation screen is displayed. Zone Labeling Select "Yes" and press "OK" to confirm the settings Bedroom 2 and Step2 is displayed. Register these contents ? Select Bac9 7.1.2.4 Nominate Spill Zone(s) Step1. Select "Nominate Spill Zone(s)" and press "OK". Zone Installation Menu (Mon) 16:30 Common Zone Setup...
- Page 32 INSTALLATION & MAINTENANCE MANUAL 7.1.2.5 Sensor Assignment This function is to assign the specified sensor to the activated zone. Step1. Select "Sensor Assignment" and press "OK". Zone Installation Menu (Mon) 16:30 Common Zone Setup Zone Actisation Zone Labeling Nominate Spill Zone(s) Sensor Assignment OK Select Back...
- Page 33 INSTALLATION & MAINTENANCE MANUAL Step3. Press " " or " " to select the item. Airflow unit: L/s Press " " or " " to set value(unit: L/s). Back Step4. Select " " and press "OK" to save the setting and return to Step2.
- Page 34 INSTALLATION & MAINTENANCE MANUAL 7.1.2.9 Turn on All Zones This function is to turn on all the activated zones at the same time. Step1. Select "Turn on All Zones" and press "OK". Zone Installation Menu Airflow Minimum Airflow Ratio Damper Timing Turn On All Zones OK Select Back...
- Page 35 INSTALLATION & MAINTENANCE MANUAL 7.1.3 Pairing of the Thermostat 7.1.3.1 Pairing Screen Figure7.1 Figure7.2 (1) If the thermostat has not been previously paired to a zone, then the screen display shows "00" in the top right hand corner of the display (Figure 7.1). If this is the case, then the thermostat needs to be paired to a zone by following the steps in "7.1.3.2 Pairing Process".
- Page 36 INSTALLATION & MAINTENANCE MANUAL (2) As shown in Figure7.5, the thermostat has been paired to zone2. The user can select zone6 (" "indicates that zone6 is enabled), and then press " " to change the pairing to zone6 and change to the main screen as Figure7.6. Figure7.5 Figure7.6 (3) If for whatever reason the thermostat needs to be unpaired with a zone, enter the pairing mode...
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Page 37: Indoor Unit Configuration Setting
INSTALLATION & MAINTENANCE MANUAL 7.2 Indoor Unit Configuration Setting (1) Temperature control Please change the value of Function Selection C8 (Sensor selection for indoor temp. control) to 01. This setting is required for the room temperatures to be sensed from the individual thermostats or sensors. The detailed setting steps of c8-01 are as follows: Function Selection Function Selection is set from Installation Menu of the Wired Remote Controller. -
Page 38: Premium Zoning Kit Notes
INSTALLATION & MAINTENANCE MANUAL NOTES: • C8=00 is the factory default setting. If C8 is left unchanged, the system will sense the conditioned space temperature from only one point (i.e.the sensor in the return air) and not from the individual zones as intended. -
Page 39: Test Run
INSTALLATION & MAINTENANCE MANUAL (3) Other notes a. When the amount of air through the system is inadequate, the spill zone will automatically open and/or switch the airflow tap to a higher setting. In this situation, the Wired Remote Controller will indicate "Spill Zone Control On"... -
Page 40: Zone Control
INSTALLATION & MAINTENANCE MANUAL 10. Zone Control 10.1 Zone Control by Wired Remote Controller The Wired Remote Controller model supported by the Zone Interface Box is PC-ARFG2-Z. See contents below for detailed settings. If premium zoning kit function is available, “Zone Control” will be displayed on home screen. Zone Base Temperature Zone Base Temperature Zone Base Temperature... - Page 41 INSTALLATION & MAINTENANCE MANUAL 10.1.2 Zone Operation Setting This function is to set operation (ON/OFF) of individual zone. Step1. Press " " or " " to select "ON/OFF". Living Zone 1 (Spill Zone) 2P.5 26.P On5O77 Temp Spill zone control on Back Step2.
- Page 42 INSTALLATION & MAINTENANCE MANUAL 10.1.4 Zone Airflow Tap Setting This function is to set airflow tap of individual zone. Step1. Press " " or " " to select "Zone Airflow Tap" icon. Living Zone 1 (Spill Zone) 2I.5 2S.5 On6O55 Temp Spill zone control on Back...
- Page 43 INSTALLATION & MAINTENANCE MANUAL 10.1.7 Keypad Lock This function is to lock all touch key on home screen. • Activate keypad lock Press and hold " " until the lock icon is displayed. Press and hold “ ” button for 3 seconds will activate keypad lock.
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Page 44: Zone Control By Thermostat
INSTALLATION & MAINTENANCE MANUAL 10.2 Zone Control by Thermostat 10.2.1 Thermostat Introduction Thermostat is a controller installed in each zone to make it easier for users to control and view the zone settings. The following is the description of panel keys and display icons: Figure10.1 Icon... - Page 45 INSTALLATION & MAINTENANCE MANUAL NOTES • If " " (set back mode) displays on the thermostat main screen, the zone switch, temperature, and airflow tap cannot be set. • If " " stays lit on the thermostat, this indicates that that zone is set as the spill zone, but spill zone control is not on.
- Page 46 INSTALLATION & MAINTENANCE MANUAL 10.2.2.2 Temperature Setting NOTES: • Please refer to Wired Remote Controller Installation Manual for the setting of temperature gradient (0.5°C or 1°C). • The temperature of each thermostat can be controlled to within ±3°C of the temperature that is set on the wired remote controller (PC-ARFG2-Z) main screen.
- Page 47 INSTALLATION & MAINTENANCE MANUAL 10.2.2.4 Timer Function NOTE: • The Timer function allows for the user to set the number of hours for the zone to either be turned on or off. If the on timer has been set and the zone is manually turned on, then the on timer will deactivate.
- Page 48 INSTALLATION & MAINTENANCE MANUAL 10.2.2.5 Room Temperature Display Figure10.8 Operation steps: (1) Press " " on the main screen display the zone temperature as shown in Figure 10.8. (2) Press " " again or" " on the room temperature display screen to return to the main screen. •...
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Page 49: Alarm Codes
INSTALLATION & MAINTENANCE MANUAL 11. Alarm Codes Alarm code of Zoning Kit Code Content of Abnormality Display Zone Setting Incomplete Wired Remote Controller Abnormal Communication between Wired Remote Thermostat Controller and Zone Interface Box Incorrect Thermostat Address Setting Wired Remote Controller & Thermostat Abnormality of Primary Wired Remote Controller Wired Remote Controller Sensor... -
Page 50: Maintenance And Service
INSTALLATION & MAINTENANCE MANUAL 12. Maintenance and Service The following table identifies possible troubleshooting solutions for abnormal conditions. NOTE: • If Zone Interface Box has been replaced, please complete the configuration according to "7. Field Setting" after replacement. Item Phenomenon Check Action Is the power supply turned ON? - Page 51 INSTALLATION & MAINTENANCE MANUAL Item Phenomenon Check Action Reset power to the system for 30 Whether the Zone Interface Box is seconds or longer. After 3 minutes, powered or the communication check whether the Wired Remote between Zone Interface Box and Wired Controller can display the zone control Remote Controller is abnormal? window.
- Page 52 1186086 Hitachi-Johnson Controls Air Conditioning, Inc. Add: 1-16-1, Kaigan Minato-ku, Tokyo, Japan Specifications in this catalogue are subject to change without notice, in order that Hitachi-Johnson Controls may bring the latest innovations to customers. P02154Q 2023.09 Printed in China...