*****INTERNAL*****30 R_D proof- 26.10.2022 / 09:15:46- VaillantGroup\DOC-agt\Brand\VIH_QW_190_6\ENG\OI-II_GB_0020291525
0020291525_04 Installation and maintenance instructions 67
Q Technical data
Note
The following performance data is only applicable to new products with clean heat exchangers.
Technical data – General
VIH QW 190/6 E GB
Product dimensions, width
595 mm
Product dimensions, height
1,880 mm
Product dimensions, depth
693 mm
Weight, without packaging
146 kg
Weight, ready for operation
351 kg
IP rating
IP 10B
Heating circuit connections
G 1"
Heat source connections
G 1 1/4"
Cold water and domestic hot wa-
ter connections
G 3/4"
Technical data – Heating circuit
VIH QW 190/6 E GB
Material in the heating circuit
Copper, copper-zinc
alloy, stainless steel,
ethylene propylene diene
monomer rubber, brass,
iron
Permissible water composition
Technical data
calculated 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
16.0 l
Volume of the internal diaphragm
expansion vessel
15 l
Min. operating pressure, heating
circuit
0.05 MPa
(0.50 bar)
Max. operating pressure, primary
circuit
0.20 MPa
(2.00 bar)
Expansion relief valve operating
pressure, heating circuit
0.25 MPa
(2.50 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 ℃
Permissible medium in the de-
coupling circuit (separation heat
exchanger accessory)
Propylene glycol/water
mixture
Sound power A7/W35 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤ 30 dB(A)
Sound power A7/W45 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤ 30 dB(A)
Sound power A7/W55 in accord-
ance with EN 12102 / EN 14511 L
WI
in heating mode
≤ 30 dB(A)
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