190
AIRAH
Design parameters
Note: Judgment and experience should be used in the application of these
figures as they are typical only and may vary depending on the application.
Temperature — air / water / refrigerant
Heating Water – Entering Coil
80°C
Heating Water – Leaving Coil
65 to 70°C
Condenser Water – Entering Tower
35°C
Condenser Water – Leaving Tower
29.5°C
Chilled Water – Entering Coil
7°C
Chilled Water – Leaving Coil
16°C
Air Cooled Condenser – Air Entering
40°C
Air Cooled Condenser – Air Leaving
54°C
Mixed Air on Cooling coil
26°C
Air off Cooling coil
15°C
4°C
Refrigerant Temperature – Chiller evaporator
10°C
Mains Water
Temperature — Hot water
(Based on AS/NZS 3500.4:2003)
Storage temperature (to inhibit Legionella growth)
60°C (minimum)
All sanitary fixtures used primarily for hygiene purposes
a) for early childhood centres, primary and secondary schools
and nursing homes or similar facilities for young, aged,
sick or people with disabilities
b) in all other buildings
Hot Water – Dishwasher, commercial
Hot Water – Laundry, commercial
45°C
(maximum)
50°C (maximum)
60 to 77°C
82°C