Daikin VRV II Series Technical Data Manual

Also see for VRV - WII: Service manual Technical data Manual Technical data

Daikin VRV II Series Technical Data Manual Manual pdf 20 page image

6• Systems • VRVII & VRV-WII features 19• VRVII & VRV-WII features6 Simple and rapid installation6-10 Sequential start - VRVII & VRV-WIIUp to 3 outdoor units can be connected to 1 power supply and can be turned on sequentially. This allows the number of breakers and their capacitiesto remain small and simplifies wiring (for models of 10Hp or less).6-11 Self diagnosis - VRVII & VRV-WIIDetects malfunctions in major locations of the system and displays the type of malfunction and location, which in turn allows servicing and maintenanceto be performed more efficiently.6-12 Crosswiring check - VRVII & VRV-WIIThe cross wiring check facility available on the VRVII is the first of its type in the industy to warn operatives of connection errors in interunit wiring andpiping. This function identifies and alerts system errors by means of on/off LEDs on the outdoor unit’s PC boards.6-13 Simplified wiring - VRVII & VRV-WII• A simple 2-wire non-shielded multiplex transmission system links each outdoor unit to multiple indoor units using one 2-core wire, thus simplifyingthe wiring operation.• Furthermore, outdoor units have power connection outlets on side and front, resulting in easier installation and maintenance and saving space whenrows of units are connected together.6-14 “Super Wiring” system - VRVII & VRV-WII• A Super Wiring system is used to enable the shared use of wiring between indoor units, outdoor units and the centralised remote control.• This system makes it easy for the user to retrofit the existing system with a centralised remote control, simply by connecting it to the outdoor units.• Thanks to a non polarity wiring system, incorrect connections become impossible and installation time is reduced.

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