Correction By Antifreeze Solution Concentration - Mitsubishi Electric CMB-WP-V-GA1 Data Book

2. CAPACITY TABLES

2-5. Correction by antifreeze solution concentration

In HYBRID CITY MULTI system, antifreeze solution should be used to prevent the system from freezing. Refer to the following
graphs for the capacity correction by antifreeze solution. Refer to 2-5-1 for antifreeze solution concentration, 2-5-2 and 2-5-3 for
capacity correction by antifreeze solution concentration.
2-5-1. Antifreeze solution concentration
Use propylene glycol solution for antifreeze.
Refer to the following graph to estimate the antifreeze solution concentration required for freeze protection.
DipSW setting (SW5-4 and 5-5) is required in HBC unit depending on the antifreeze solution concentration.
Refer the table A for the setting.
0
-5
-10
-15
-20
-25
-30
0 10 20
Antifreeze solution concentration [wt%]
2-5-2. Capacity correction by antifreeze solution concentration (cooling)
1
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.9
0 10 20
Antifreeze solution concentration [wt%]
2-5-3. Capacity correction by antifreeze solution concentration (heating)
1
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.9
0 10 20
Antifreeze solution concentration [wt%]
MEE15K052
30 40 50 60 70
30 40 50
30 40 50
Table A
Brine concentration [%] 0 to 29% 30 to 49% 50 to 59% 60 to 70%
DipSW5-4
OFF
DipSW5-5 OFF
LD2 OFF
7seg LED
LD3 OFF
1
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.9
0 10 20
Antifreeze solution concentration [wt%]
1.2
1.18
1.16
1.14
1.12
1.1
1.08
1.06
1.04
1.02
1
0 10 20
Antifreeze solution concentration [wt%]
OFF ON ON
ON OFF ON
OFF 1 1
1 OFF 1
30 40 50
30 40 50
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