Hitachi YUTAKI M R32 Series Installation & Operation Manual page 61

value is approximately 85% of the heating capacity on the unit under standard conditions
(air temperature: 6/7ºC (WB/DB) and input/output temperature of the water: 40 / 45ºC)

NOTE
The maximum time for defrosting considered is 6 minutes per hour.
The following table shows the minimum water volume needed in each unit.
Water temperature drop
5ºC
10ºC
15ºC
20ºC
25ºC
30 ºC

NOTE
• The values shown on the table are based on theoretical installation conditions. In addition
YUTAKI units admits several hydraulic circuits configurations, and the value can be different
depending on each specific installation.
• Therefore, it rests with the client to recalculate these values depending on the real conditions of
the installation.
PMML0600 rev.0 - 06/2022
11 12
Volume (L)
350 382
175 191
117 127
88 96
70 76
58 64
13 16
414 510
207 255
138 170
104 127
83 102
69 85
5
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