Daikin Enfinity - Antifreeze Correction Factors

unit installation
IM 1059-12 LARGE VERTICAL WSHP 23 www.DaikinApplied.com
Additional information for initial start-up
standard range units LVC
Units are designed to start-up in an ambient of 50°F (10°C),
with entering air at 50°F (10°C), with entering water at 70°F
(21°C), with both air and water ow rates used in the ISO
13256-1 rating test, for initial start-up in winter.
Note: This is not a normal or continuous operating condition.
It is assumed that such a start-up is for the purpose
of bringing the building space up to occupancy
temperature.
Extended range LVW units
Extended range heat pump units are designed to start-
up in an ambient of 50°F (10°C), with entering air at 40°F
(10°C), with entering water at 25°F (-4°C), with both air
and water at ow rates used in the ISO 13256-1 rating
test, for initial start-up in winter.
Note: This is not a normal or continuous operating condition.
It is assumed that such a start-up is for the purpose
of bringing the building space up to occupancy
temperature.
Antifreeze correction factors
Table 6: Ethylene glycol
10% 20% 30% 40% 50%
Cooling Capacity 0.9950 0.9920 0.9870 0.9830 0.9790
Heating Capacity 0.9910 0.9820 0.9770 0.9690 0.9610
Pressure Drop 1.0700 1.1300 1.1800 1.2600 1.2800
Table 7: Propylene glycol
10% 20% 30% 40% 50%
Cooling Capacity 0.9900 0.9800 0.9700 0.9600 0.9500
Heating Capacity 0.9870 0.9750 0.9620 0.9420 0.9300
Pressure Drop 1.0700 1.1500 1.2500 1.3700 1.4200
Table 8: Methanol
10% 20% 30% 40% 50%
Cooling Capacity 0.9980 0.9720 – – –
Heating Capacity 0.9950 0.9700 – – –
Pressure Drop 1.0230 1.0570 – – –
Table 9: Ethanol
10% 20% 30% 40% 50%
Cooling Capacity 0.9910 0.9510 – – –
Heating Capacity 0.9950 0.9600 – – –
Pressure Drop 1.0350 0.9600 – – –