Daikin BRC7C812 Bedienungsanleitung PDF herunterladen (Seite 2)

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Water Cooled VRV - The Next Generation of VRV

Daikin’s water cooled VRV

offers an energy saving

alternative to traditional centralized equipment. Its

remarkable compact and lightweight structure makes

installation of VRV technology in large buildings

possible. At only 330 lbs. and less than 40” high, the

VRV

-WII can take a ride up the elevator to be installed

in a machine room. Offering state of the art comfort for

hotels, ofﬁces and large commercial applications, the

engineer solution toolbox just got bigger.

The VRV system keeps running costs at an absolute

minimum by controlling each zone individually and

being able to shut down completely in unoccupied areas.

VRV-WII Features & Beneﬁts

Choice

➤

5, 6, 7, 12, 14, 18 and 21 ton, 208 ~ 230V / 3-phase power for commercial applications.

Uniﬁed heat pump or heat recovery (simultaneous operation) outdoor unit.

Advanced Zoning

➤

7 combinations of condensing unit, up to 21-ton serving up to 32 indoor units.

Independent Control

➤

Each fan coil has its own control from a single outdoor unit.

VFD/Capacity Control

➤

Capacity is modulated automatically by varying refrigerant volume to deliver the precise amount of heating or cooling.

Each zone independently controls its capacity by precise PID control to within + / - 1º F in conjunction with electronic

expansion valve equipped indoor units.

Variable speed compressor and fan motors on the condensing unit.

Optimized R-410A Design

➤

The industry benchmark is the world’s ﬁrst R-410A operated Water Cooled variable refrigerant volume (VRV-WII) system and

represents a considerable technological advances over comparable systems.

Flexible Design

➤

Continuous operation allows for cold climate capability delivering comfortable heating performance with no defrost.

Long refrigerant lines, up to 980 feet of pipe (390 feet max. linear liquid piping length), 164 feet height difference.

The Water Pressure Resistance of the condensing unit BPHE is 285 psi (640 ft. of head).

Optimum water ﬂow rates of 16 gpm or greater (operable range 13.2 ~ 39.6 gpm).

Modular units can be interconnected to make combinations of up to 21 tons systems.

Operates with closed loop cooling tower, dry cooler and boiler solutions.

System diversity up to 130% connectivity of nominal capacity.

Indoor Units

➤

A choice of ducted fan coils, 4-way cassette, ceiling suspended, wall mounted or ﬂoor console.

➤

Capacities from 1/2 (7MBH) to 4 (48 MBH) Ton.

Simple Wiring

➤

Daisy chain control wiring, 2 wire, non-shielded, non-polarized cable for simple installation.

Energy Efﬁciency

➤

VFD Inverter Scroll Compressor & Fan Coil Unit EEV Technology helps boost operational efﬁciency levels.

2-stage heat recovery operation substantially improving energy efﬁciency.

➤

Outside Air

➤

Outside air capability with ducted fan coils and ductless cassette units.

Space Saving

➤

Compact size, 39-3/8” in height, 30-3/4” wide and just 330lbs. Modular cabinet enables stacked multiple installation.

Advanced Diagnostics

➤

The advanced, self-diagnostic, auto-check function will detect a malfunction and immediately display the type and location

so it can be resolved quickly and effectively.

Advanced Controls

➤

Zone LCD Remote Controller for up to 16 zones and provides a host of operational functions, including 7-Day

Programmability.

Connects to the full suite of advanced Daikin Control Solutions including I-Touch Controller and I-Manager.

Can be intergrated to Open Protocol Building Management Systems via the Daikin BACnet and LONworks Gateways.

Quiet

➤

Indoor and outdoor units offer quiet operation. FXFQ indoor unit has a sound pressure level as low as 28dB(A) and the

RWEYQ condensing unit as low as 50dB(A).

www.daikinac.com

Inverter Heat Recovery*

One system provides simultaneous cooling and heating

*Also available in Inverter Heat Pump

39 3/8”

10.5ft

higher

Ceiling height

4-12 inches

Stacked installation

example

1 2 3 4

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