TOSHIBA
I 5
TOSHIBA
I 5
MEMBRANE EXP
ANSION VESSEL/FUSING AND CURRENT CONSUMPTION
Information on the membrane expansion vessel
Both ESTIA indoor units are equipped with membrane expansion vessels ex works:
Indoor unit model
Volume (liters)
Pre-pressure (bar)
Hydrobox
8
1.5
All In One
10
0.5
The dimensioning required in relation to the installed water system is the responsibility of the specialist company
carrying out the installation.
To provide a rough overview, the entire expansion volume can be determined in a simplified manner as follows:
Water content
Expansion
Heating system
design
Temperature,
supply/return
Contents
Temperature, supply
Factor
Tubular heating
element
60 / 40°C
36.2 liters/kW
40°C
0.0093
70 / 50°C
26.1 liters/kW
50°C
0.0129
Plate-type heating
element
60 / 40°C
14.6 liters/kW
60°C
0.0171
70 / 50°C
11.4 liters/kW
70°C
0.0222
Underfloor heating
-
20 liters/kW
1.
Determine the approximate water content of the heating system:
2.
Determine the approximate expansion volume:
Expansion volume = water content x expansion factor
Detailed dimensioning takes into account further parameters, however:
-
The water seal required in the expansion vessel
-
Pre- and final pressure of the expansion vessel
-
The nominal volume of the expansion vessel
Software solutions, apps and technical literature are available for precise system planning.
Fusing and current consumption
Model HWT-
401HW-E
601HW-E
801H(R)W-E
1101H(R)W-E
Energy supply
220-240 V ~50 Hz
Maximum running current
14.6 A
20.3 A
Recommended fusing
16 A
25 A
Power supply cable
2 x 2.5 mm
2
or more
(H07 RN-F or 60245 IEC 66)
Grounding cable for
outdoor areas
1 x 2.5 mm
2
or more
Hydro/outdoor
connection cable
4 x 1.5 mm
2
or more
(H07 RN-F or 60245 IEC 66)
Summary of Contents for ESTIA R32 HWT-1101F21MT6W-E
Page 1: ...APPENDIX R32 VERSION 1 0 Manual for ESTIA air to water heat pump ...
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Page 27: ...TOSHIBA I 27 TOSHIBA I 27 SCHEMA 1 1 ...
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Page 37: ...TOSHIBA I 37 TOSHIBA I 37 WIRING DIAGRAM 230 V ...
Page 38: ...38 I TOSHIBA 38 I TOSHIBA WIRING DIAGRAM 400V ...
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