Mitsubishi Electric CAHV-R450YA-HPB Installation & Operation Manual page 71

*1 Under normal heating conditions at the outdoor temperature of 7ºCDB/6ºCWB (44.6ºFDB/42.8ºFWB), the
outlet water temperature of 45ºC (113ºF), and the inlet water temperature of 40ºC (104ºF)
*2 Under normal heating conditions at the outdoor temperature of 7ºCDB/6ºCWB (44.6ºFDB/42.8ºFWB) and the
outlet water temperature of 70ºC (158ºF)
*3 Under normal heating conditions at the outdoor temperature of 7ºCDB/6ºCWB (44.6ºFDB/42.8ºFWB) when the
unit is set to the "Capacity Priority" mode through the dry NC-contact
*4
80
70
60
50
40
30
20
10
0
-30 -20
*5 IPCC 5th assessment report
*6 The sound pressure level is a value measured in an anechoic room in accordance with the conventional
method in JRA4060.
3
*7 4.0 - 15.0 m /h under the following conditions:
a. When the outdoor temperature is below 0°C,
b. When the outlet water temperature is 30°C or below AND the outdoor temperature is 6°C or below.
• Due to continuing improvements, specifications may be subject to change without notice.
• Do not use steel pipes as water pipes.
• Keep the water circulated at all times. Blow the water out of the pipes if the unit will not be used for an extended
period of time.
• Do not use ground water or well water.
• Do not install the unit in an environment where the wet bulb temperature exceeds 32ºC.
• The water circuit must be a closed circuit.
Unit converter
Kcal = kW x 860
BTU/h = kW x 3,412
3
cfm = m /min x 35.31
Lb = kg/0.4536
-10 0 10 20
outdoor temp (ºCDB)
Outdoor temp. -25ºCDB/Outlet water temp. 45~65ºC
(Outdoor temp. -13ºFDB/Outlet water temp. 113~149ºF)
Outdoor temp. -20ºCDB/Outlet water temp. 35~70ºC
(Outdoor temp. -4ºFDB/Outlet water temp. 95~158ºF)
Outdoor temp. 43ºCDB/Outlet water temp. 24~70ºC
(Outdoor temp. -109ºFDB/Outlet water temp. 75.2~158ºF)
* Do not start up the unit at or below the outdoor
temperature of -23ºC.
30 40 50
71