Appendix
60
Installation and maintenance instructions Hydraulic Station 0020291544_01
P
Technical data
Note
The following performance data is only applicable to new products with clean heat exchangers.
Technical data
–
General
VWZ MEH 97/6
Product dimensions, width
440 mm
Product dimensions, height
720 mm
Product dimensions, depth
350 mm
Weight, without packaging
20 kg
Weight, ready for operation
28 kg
IP rating
IP 10B
Heating circuit connections
G 1"
Heat source connections
G 1 1/4"
Permissible height difference
between outdoor unit and indoor
unit
≤
15 m
Technical data
–
Heating circuit
VWZ MEH 97/6
Material in the heating circuit
Copper, copper-zinc
alloy, stainless steel,
ethylene propylene diene
monomer rubber, brass,
steel, composite
materials
Permissible water composition
Without frost or corrosion
protection. Soften the
heating water at water
hardnesses from 3.0
mmol/l (16.8° dH) in
accordance with
Directive VDI2035 sheet
1
Water content
8 l
Volume of the internal diaphragm
expansion vessel
10 l
Minimum operating pressure
0.05 MPa
(0.50 bar)
Maximum operating pressure
0.3 MPa
(3.0 bar)
Max. heating mode flow temperat-
ure with compressor
75
℃
Max. heating mode flow temperat-
ure with back-up heater
75
℃
Min. cooling mode flow temperat-
ure
7
℃
Sound power A7/W35 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤
29 dB(A)
Sound power A7/W45 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤
29 dB(A)
Sound power A7/W55 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤
29 dB(A)
Sound power A7/W65 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤
29 dB(A)