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Medical Facility Air Conditioning Solutions
Daikin Air Conditioning
All products
Medical Facility edit
Scroll Chiller
Scroll Chiller
Modular AHU
Modular AHU
Description

Daikin provide air conditioning solutions for medical facilities and hospitals.

The following solutions are usually used for Medical facility applications:

1. Chilled water systems which circulate water throughout fan coil units, chilled beams and air handlers as a medium for providing heating and cooling of the spaces.

A chilled water system is a central heat generation / absorption plant that use water as a medium to transfer heat throughout the air conditioning network. It consist of various pressurised pipework, pumps, buffer tanks, valves, fan coil units and customisable controls. The advantage of these systems over refrigerant based systems is that there are larger selection with more scope for customisation.

Generally, VRV systems are used for small to medium buildings while chillers are used in large scale applications. Chilled water systems can offer a higher efficiency than a VRV system. A Chilled water system does not have limitations on pipework length, this is dependent on the pump selection rather than the chiller.

Chilled water systems with a regular maintenance and service plan can serve:

  • 10-15 years for air cooled chillers
  • 15-30 years for water cooled chillers

2. Fresh air processing for heating, cooling and indoor air quality treatment via AHUs.

AHU (Air handling unit) is a system that pre-condition outdoor air for ventilation purposes as required by the Building Code and reduces operational load of air conditioning system.Modular AHU are designed based on the client requirements.

Key Features

Chilled water plant:

  • Low GWP Refrigerant
  • Roof mounted or floor mounted
  • Enclosed plant rooms
  • Compact systems to allow retrofitting with a small footprint
  • Full BMS compatible
  • Variable water and airflow compatible
  • Air-cooled EWAT, EWYT,EWAD, EWAA, EWLD, EWAH series
  • Modular Options available UAL - available for future expansion
  • Simultaneous heating and cooling available with EWYD
  • Water cooled EWWD-VZ, EWWH-VZ, ZUWV
  • Master and slave configuration available
  • Secondary setpoints for set-back operation (reduced noise)

AHU:

  • Various levels of filtration for indoor air quality requirements (HEPA filtration)
  • EC fans
  • Coil coatings
  • Chilled water coils
  • Supply / Return connection points adjustable
  • Various wall thicknesses and Thermal breaks
  • Inspection windows for inspection without shutdown
  • Plate or rotary heat recovery options
  • UV treatment available for sanitisation of air
  • Can be provided in sections or kit set and assembled on site
Categories
Heat Pumps and Natural Energy
Scope of Use

Chilled water systems

Operation range:

  • Design water temperature (adjustable) generally
  • Cooling: 7 LWT / 12 EWT Summer conditions of 35 degrees
  • Heating: 45 LWT, 40 EWT. Generally used as a central A/C system

Air cooled Chillers

  • EWAT: 81kW ~ 701kW
  • EWAQ: 16.8kW – 75.3kW
  • EWAD-TZ: 153kW ~1965kW

Air cooled heat pumps

  • EWYT: 85kW ~ 670kW
  • EWYQ: 16.6kW ~ 74.7kW
  • EWYD: 358kW~786kW

Water cooled chiller

  • EWWD-VZ: 449kW~2074kW
  • EWWD-DZ: 320kW~2173kW
  • EWWQ-G: 91-369kW

Modular AHUs can be optimised based on client requirements and performance for either chilled water or DX system. 

  • Airflow 330 to 25000 L/s
  • Static Pressure up to 2000 Pa
Limitations on Use

  • Chilled Water: Basement plant room installation may require leak detection systems based on ventilation rates

 

Statement of Building Code Compliance
  • Full range of Daikin products have been tested and registered in accordance with MEPS requirements (Minimum Energy Performance Standards) 
  • Eurovent certified:
    • Chillers EN14511
    • AHU’s EN1886
In-Service History

Chilled water systems with a regular maintenance and service plan can serve:

  • 10-15 years for air cooled chillers
  • 15-30 years for water cooled chillers

Some of the existing sites with chilled water systems are:

  • Oceania Hospital
  • Palmerston North Hospital
  • ABI Rehabilitation
Other Performance Attributes
  • Blygold Coatings (on request) will prolong the life of the outdoor unit coupled with a maintenance plan
  • Refrigerant leak detectors can also be provided by Daikin with these chilled water systems to comply to standard AS/NZS 5149.1 and 5149.3. This solution can be integrated to operate with Daikin's ITM (central controller) to provide a compliant solution to refrigerant detector system.
  • In house technical support / sales and commissioning team for chilled water systems

Warranty

Chilled water systems warranty:

  • 1 year from date of commissioning 
  • Extended warranties available subject to Daikin warranty maintenance

Modular AHU systems

  • 1 year warranty from a date of commissioning
Documents
Technical Brochure: Mulit Scroll Chiller — EWAT B
pdf
Technical Brochure: Mulit Scroll Heat Pump — EWYT B
pdf
Technical Manual: DM AHU
pdf

As one of New Zealand's most trusted names in air conditioning, Daikin can be found in homes, businesses, and community projects across New Zealand.

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