5
2.4 Technical data
NRF no. Product code:
Capacity
persons
Weight
kg.
Dia. x Height
mm.
Freight
vol. m³
Heating time
hours
D
t 65°C
Heat
loss W
800 0451 W 30 - 2kW/1x230V
1
13
434 x 418
0.13
1.0
25
8000452 W 50 - 2kW/1x230V
1.5
17
434 x 628
0.17
1.6
32
8000453 W 70 - 2kW/1x230V
2
22
434 x 836
0.24
2.3
42
8000454 W 90 - 2kW/1x230V
2
28
434 x 1096
0.25
3.1
48
8000455 W 120 - 2kW/1x230V
2.5
35
434 x 1408
0.31
4.0
53
2.5 ErP data - Technical Data Sheet
Brand
Model-no.
Model name
Tap
profile
ErP
Rating
Energy
eff. % AEC - kWh/a
Thermo-
stat set-
ting °C
Volume
40°C
water
OSO Hotwater AS
800 0451
Wally - W 30
S
B
36
520
70
34
OSO Hotwater AS
800 0452
Wally - W 50
M
C
38
1369
70
83
OSO Hotwater AS
800 0453
Wally - W 70
M
C
38
1341
65
108
OSO Hotwater AS
800 0454
Wally - W 90
L
C
38
2690
65
143
OSO Hotwater AS
800 0455
Wally - W 120
L
C
38
2719
65
196
Directive: 2010/30/EU Regulation: EU 812/2013
Directive: 2009/125/EC Regulation: EU 814/2013
Efficiency-tested according to standard: EN 50440: 2015
2. PRODUCT DESCRIPTION
2.1 Product identification
Identification details for your product can be
found on the type plate fixed to the product.
The type plate contains details of the product in
accordance with EN 12897:2016 and EN 60335-
2-21, in addition to other useful data. See Dec-
laration of Conformity at www.osohotwater.
com for more information.
OSO products are designed and manufactured
in accordance with:
• Pressure vessel standard
EN 12897:2016
• Safety standard
EN 60335-2-21
• Welding standard
EN ISO 3834-2
OSO Hotwater AS is certified for
• Quality
ISO 9001
• Environment
ISO 14001
• Working environment
OHSAS 18001
2.2 Intended use
The Wally series is designed to supply homes
with hot running water. The product is designed
for to be fitted on a wall
2.3 CE marking
The CE mark shows that the product complies
with the relevant Directives. See Declaration of
Conformity at www.osohotwater.com for more
information.
The product complies with standards for:
• Low voltage
LVD 2014/35/EU
• Electromagnetic compatibility EMC 2014/30/
EU
• Pressurised equipment
PED 2014/68/EU
Any safety valve(s) used should be CE-marked
and comply with the PED 2014/68/EU.