Heating Element; Technical Data - Vetus WH20C Manual De Manejo Y Instrucciones De Instalación

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4.2 Pipes from Engine to Calorifier
The coolant water pipes from the ship's engine to the calorifier
should be as short as possible, so that the increase in engine cool-
ant capacity is kept to a minimum and no extra expansion space is
required. These pipes must be installed so that they are absolutely
self-bleeding.
The pipes should have the same cross-section as the calorifier/heater
connections on the ship's engine, so that no extra resistance is cre-
ated.
Also consult the engine supplier's instructions.
Use a good quality reinforced hose or copper pipes.
Always connect metal pipes with short lengths of hose to the
engine and the calorifier. The hose will accommodate vibration
and prevent the pipes splitting.
The reinforced hose should be resistant to a temperature of at least
100˚C (212˚F), and a pressure of 4 bar (4 kgf/cm
the same hose as for the tap water - Vetus Article Code: WHHOSE16.
Fit each hose connection with a stainless steel hose clamp.
In order to reduce heat loss with the engine off, it is recommended
that the pipes and fittings are insulated.
4.3 Installing the Fittings
On the tap water side of the calorifier, use only corrosion-resistant
fittings (stainless steel or brass).
W
Never use fittings made of steel or iron!
Fit a non-return valve (3) on the tap water intake and an excess pres-
sure valve (13) on the tap water outlet.
4.4 Pressure Valve
The pressure valve should be adjusted to 4 bar (4 kgf/cm
the water heats up, the pressure valve will operate, water droplets
and a little water loss is normal.
If you do not want water running about freely, then connect the out-
let connection to a pressure-free drain pipe.
When assembling all accessories and fittings, use a good quality,
removable screw-thread sealant. Disassembly may be necessary for
maintenance, draining and preparation for winter!
4.5 Pipes for Tap Water
(see page 15)
Use a good quality reinforced hose, stainless steel or copper pipes for
the tap water pipes. Always connect pipes to the calorifier with short
lengths of hose. These lengths of hose will accommodate vibration
and prevent the pipes splitting.
The reinforced hose must be of foodstuffs quality and resistant to at
least 100˚C (212˚F) and a pressure of 8 bar (8 kgf/cm
Insulate the pipes and fittings to prevent unnecessary heat loss.
Vetus supplies a hose which is suitable for tap water. This hose has
an internal diameter of 16 mm., is tasteless, non-toxic, resistant to
vetus® Water Heater WHxxC
All manuals and user guides at all-guides.com
(see pages 14 and 15)
c
aution
2
, 58 psi). You can use
(see page 17)
!
arning
2
, 58 psi). As
2
, 116 psi).
temperatures up to 160˚C (320˚F), with a working pressure of 8 bar
(8 kgf/cm
2
, 116 psi).
Article Code: WHHOSE16.

4.6 Heating Element

There is an electrical heating element, power 1000 Watt / 230 V, fitted
in the calorifier. The heating element is controlled by a thermostat.
Connect the heating element as shown in the wiring diagram. Con-
nect the earth terminals, both from the boiler and the heating ele-
ment, to the earthing point on the boat!
A different heating element can be fitted as an alternative. The fol-
lowing electrical heating element (with adjustable thermostat) is
available:
Art. code
Power / Voltage
WHEL22500
500 W / 230 V
WHEL110
1000 W / 120 V
All heating elements are fitted with external screw thread G 1 1/4.
Clean the screw thread if necessary and fit the heating element us-
ing hemp and liquid packaging to seal the screw thread connection.
5

Technical Data

Type
WH20C WH31C WH45C WH55C WH75C
Tap Water Tank
Capacity, litre
20
Imp. gallon
4.4
US gallon
5.3
Connections
Max.Pressure
4 bar (4 kg/cm
Material
AISI 304, thickness 1.5 mm (
Heat Loss
About 12˚C (54˚F) per 24 hours
Outer Tank (Engine coolant)
Capacity, litre
4
Imp. gallon
0.88
1.54
US gallon
1.06
1.85
Heated surface
0.4 m
2
0.55 m
4.3 ft.
2
5.9 ft.
Connections
Max.Pressure
3 bar (3 kgf/cm
Material
AISI 304, thickness 1.5 mm (
Insulation
Polyurethane, 35 mm (1
Electric Heating Element
Max. power
Connection
Pressure Valve
Setting
4 bar (4 kgf/cm
Weight
Empty
23 kg
28 kg
51 lbs
62 lbs
ENGLISH
31
45
55
75
6.8
9.9
12.1
16.5
8.2
11.9
14.5
19.8
G 1/2, male thread
2
, 58 psi)
1
/
")
16
7
7.5
8
9.5
1.65
1.76
2.09
1.98
2.11
2.51
2
0.73 m
2
0.87 m
2
1.11 m
2
7.6 ft.
2
9.4 ft.
2
11.9 ft.
G 1/2, male thread
2
, 43 psi)
1
/
")
16
3
/
") thick with AISI
8
304 cover
1000 Watt
G 1 1/4, female thread
2
, 58 psi)
34 kg
39 kg
48 kg
75 lbs
86 lbs
106 lbs
5
050611.01
2
2
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Este manual también es adecuado para:

Wh31cWh45cWh55cWh75c

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