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Summary of Contents for Navien VCU-10R
- Page 1 https://navien.co.uk...
- Page 2 Installation & Operation Manual Wiring Centre Model VCU-10R...
- Page 3 If your device requires service, you have several options for getting service, contact Technical Support at 0344 332 2323 or on the website: https://navien.co.uk For warranty service, always contact Technical Support first. TEL: 0344 332 2323 Add: Building 2, Guildford Business Park,...
- Page 4 _ Any attempt to disassemble or repair the device voids Navien’s Limited Warranty. Navien is not responsible for damage or injuries caused by voiding the Navien’s Limited Warranty. • Do not store flammable materials near the device.
- Page 5 WARNING CAUTION • Avoid interference with other electronic • Do not expose the device to direct sunlight devices. or high temperatures for an extended _ The device emits radio frequency (RF) period of time. _ Prolonged exposure to sunlight or signals that may interfere with unshielded or improperly shielded electronic extreme temperature may cause...
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Page 6: Table Of Contents
Installing the wiring centre ..9 Pairing with the wireless communication module...20 Mounting the wiring centre to the wall ............ 9 Setting the Navien boilers ....9 Replacing the fuse ....21 Setting the DIP switches ..10 Commissioning .......22 Selecting the plan types ....10 Selecting the external pump and sensor settings ......... -
Page 7: Overview
The wireless communication module (BCM-41RW or BCM-45RW) operates as the control centre of the system, and the Navien boilers (LCB Range or NCB Range) support 2-wire communication (KIW) technology. It is possible to control it using a 2-wire connection from the BCM-41RW or BCM-45RW terminals. -
Page 8: Included Items
Included items Open the packaging and ensure that the following items are provided. Wiring centre Screws and anchors Installation & Operation manual Strain block and screws Device layout The following table provides the brief information on each part of the wiring centre. Internal parts I ON DIP S/W... - Page 9 Name Description Front cover Covers the internal parts. Internal Connect cables for other units (power supply, zone valves, DHW cylinder, terminals cylinder thermostat, non-wireless thermostats). Select the plan types, external tank settings, sensor types, and cylinder DIP switches temperature setting types. Indicates the wiring centre’s operation status.
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Page 10: Installing The Wiring Centre
RF communication between RF devices. Setting the Navien boilers Mounting the wiring centre to the wall To use wiring centre, set the NCB-CE, LCB700 and NCB500 boilers as follows. -
Page 11: Setting The Dip Switches
Setting the DIP switches Before wiring the device, set the DIP switches to Switch Function Setting select the plan types, sensor types, and cylinder temperature. Tank sensor 6-ON Sensor settings Aquastat 6-OFF • If the external pump is set to be used, the external pump turns on or off depending on zone valve operation. -
Page 12: Connecting Cables To The Wiring Centre
Connecting cables to the wiring centre Before connecting the cables, turn off the power Unfasten the two screws at the bottom of the supply and read the safety information below to wiring centre and remove the front cover. properly wire the device. •... - Page 13 To pass the pump, thermostat, and cylinder/NTC valve cables through the wiring hole, remove the grommet using the screwdriver. After completing connecting the cables to the terminals, fasten the three screws on the strain block to fix it to the wiring centre so that the cables connected to the terminals do not move.
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Page 14: System Configuration And Wiring Diagrams
For more information on the devices used in the configuration diagrams, refer to the Installation & Operation Manuals for the Navien boilers, wireless communication module (BCM- 41RW or BCM-45RW), wireless thermostat (NRC-10R), or the additional system components (other manufacturers). -
Page 15: When Using A Combi Boiler With A Single Zone
When using a combi boiler with a single zone System configuration diagram The following diagram shows the example of using a combi boiler with a single zone. Boiler VCU-10R BCM-41RW Wi-Fi BCM-45RW Power supply (230 VAC) Inlet Outlet Return Bypass valve... -
Page 16: When Using A Combi Boiler With Multiple Zones
When using a combi boiler with multiple zones Configuration diagram The following diagram shows the example of using a combi boiler with multiple zones. Boiler VCU-10R Wi-Fi BCM-41RW BCM-45RW Power supply (230 VAC) Inlet Outlet Return Bypass valve Supply ZONE2... -
Page 17: When Using A System Boiler With Multiple Zones
When using a system boiler with multiple zones Configuration diagram The following diagram shows the example of using a system boiler with multiple zones. Boiler VCU-10R Wiring Wi-Fi BCM-41RW centre BCM-45RW Power supply 2-Port (230 VAC) DHW ON valve Cylinder... -
Page 18: When Using A System Boiler With Multiple Zones
When using a system boiler with multiple zones Configuration diagram The following diagram shows the example of using a system boiler with multiple zones. Boiler VCU-10R Wiring Wi-Fi BCM-41RW centre BCM-45RW Power supply 2-Port (230 VAC) DHW ON valve Cylinder... -
Page 19: When Using A System Boiler With Y Plan
When using a system boiler with Y plan Configuration diagram The following diagram shows the example of using a system boiler with Y plan. Boiler VCU-10R Wiring Wi-Fi BCM-41RW centre BCM-45RW Power supply (230 VAC) Cylinder Return Bypass valve Supply... -
Page 20: When Using A System Boiler With W Plan
When using a system boiler with W plan Configuration diagram The following diagram shows the example of using a system boiler with W plan. Boiler VCU-10R Wiring Wi-Fi BCM-41RW centre BCM-45RW Power supply (230 VAC) Cylinder Return Bypass valve Supply... -
Page 21: Pairing With The Wireless Communication Module
Pairing with the wireless communication module When pairing the wiring centre with the wireless communication module, the wireless communication module should be in pairing mode. Refer to the wireless communication module Installation & Operation Manual for information on entering pairing mode. For the best RF system performance, install the wiring centre in an open area so that it can pair with the wireless communication module. -
Page 22: Replacing The Fuse
Replacing the fuse The fuse (250 V 5 A) may become defective if Use a flat-head screwdriver to remove the an overcurrent occurs due to wrong wiring spare fuse. connections. If power is supplied to the wiring Do not forcefully insert the flat-head centre and the LED status is off, it means the screw driver. -
Page 23: Commissioning
Commissioning After you complete the installation and wiring, commissioning should be carried out. Do not turn on the power supply to the wiring centre until other devices and units are set up. When the wiring centre is turned on, the connected external pump may start operating immediately depending on the DIP switch settings. -
Page 24: Restart And Check
Restart and check Check if all the settings have been saved by turning the wiring centre off and then on again to ensure that any adjustments operate correctly, and check that the devices or units are operating safely. Also, check if the wiring centre properly responds to the following demands: •... -
Page 25: Troubleshooting
Troubleshooting Before reporting a malfunctioning device, refer to the following table and see if you can identify and fix the problem. Fault situation Suggested Remedies A tank sensor error has occurred. The LED status is turned red. _ Check if the tank sensor operates properly. A communication error has occurred. -
Page 26: Recycling And Disposal
Recycling and disposal Recycling the package Sort out the waste to separate that which can be recycled (cartons, plastics, etc.) from the various wastes that cannot be recycled (straps, etc.). Also recycle the product’s packaging in accordance with all relevant local regulations. WEEE: Recycling or disposing of the device and its parts •... -
Page 27: Warranty
Warranty Manufacturer's warranty of 2 years is provided. -
Page 28: Specifications
• This product’s safety/RF/EMC have already been tested by a qualified laboratory and received passing marks, but any abnormal operation method or conditions may make the product stop working or experience a malfunction. Manufactured by KDNA (KYUNGDONG NAVIEN CO., Ltd.) www.kdnavien.co.kr Certification...
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