Zehnder Rittling Ovida Bow Manual

Zehnder Ovida Bow
OVB-080 OVB-120
All dimensions shown are in millimetres
Test pressure:
Max working pressure:
Max working temperature:
All steel construction:
Connections:
Heat output determined in accordance with EN 442
Test Laboratory: 1428WSP
Height
Model
± 2mm
OVB-080-050 796
OVB-080-060 796
OVB-080-075
796
OVB-120-050 1196
OVB-120-060 1196
OVB-120-075
1196
OVB-150-050 1556
OVB-150-060 1556
OVB-185-050 1876
OVB-185-060 1876
Zehnder Group UK Ltd
OVB-150 OVB-185
13 BAR
10 BAR
100º C
dia 25mm x 1.2mm tubes
dia 26mm x 1.5mm tubes
½ inch BSP underside tappings
Pipe
Width
Finish Centres
± 2mm
± 2mm
496 painted 458
596 painted 558
746 painted 708
496 painted 458
596 painted 558
746 painted 708
496 painted 458
596 painted 558
496 painted 458
596 painted 558
width
return
tapping centres
19
note: flow & return can be reversed if required
Output Output
ΔT=50K ΔT=30K
Watts Btu Watts
417 1423 224
492 1679 265
601 2051
325
609 2078 325
718 2450 385
878 2996
474
784 2675 417
924 3153 494
3218
943 500
1111 3791 592
Concept House Tel: 01276 605800
Watchmoor Point Fax: 01276 24058
Camberley retailsales@zehnder.co.uk
Surrey GU15 3AD www.zehnder.co.uk
flow
19
For optional Supplementary Heater
see separate sheet as fitting this will
affect pipe centres.
Please check before drilling.
* rating for simple immersion/CTEC or CTEW in Watts
Water
Content
n Weight
litres
Btu kg
764 1.22 8.1 4.3
904 1.21 9.5 5.0
1109 1.20
11.6 6.0
1109 1.23 12.0 6.1
1314 1.22 13.9 7.2
1617 1.21
16.8 8.8
1423 1.24 16.0 8.2
1686 1.23 18.6 9.6
1.24
1706 19.1 9.7
2020 1.23 22.0 11.3
Registered in England: 2296696
122-139
66-83
Allow minimum of
100mm for valves
Max.
Immersion
Rating*
300
300
400
400
500
600
500
600
600
700
Issue 1.0