Eco-King HWB-299, Installation And Service Manual

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E93.1801EN171 HWB installation manual 31
8 THE HWB SANITAIRY SYSTEM: INSTALLATION INSTRUCTIONS
The HWB system
The system is set up as shown in the next two examples, the first showing a combination of one water heater and
one tank, the second showing a combination of two water heaters and two tanks. Other combinations are possible
as well, contact your supplier.
SAFETY COMPONENTS
NB! The pictures show examples of functional installations. The safety components as shown in these pictures
are NOT necessarily conform all applicable standards and regulations.
ALWAYS have the installation installed by a skilled installer. Safety must be added according to all applicable
standards and regulations.
8.1.1 S
TAND
-
ALONE SET
-
UP
The basic form of an HWB installation is one water heater with one tank.
Shown in the picture are the principle components and connections.
Apply parameter configuration DHW-mode 4 (default, stand alone)
Example of a combination of one water
heater and one tank
Extra explanation:
1) Pressure relief valve (mandatory in case ser-
vice pipe pressure is too high)
2) Inlet combination with valve (mandatory)
3) Apply filter if necessary (recommended)
4) A suitable safety valve must be mounted near
the water heater (mandatory)
This safety valve may never be isolated from
the water heater by means of a ball valve
5) Mount the tank sensor in an immersion bulb
into the tank at 1/5 from the bottom of the tank
6) Drain valve (recommended)
7) Hot and cold-water mixers
A) Cold water inlet (service pipe)
B) Hot water supply circulation
C) Circulation return
PUMP
NON- RETURN VALVE
VALVE
SAFETY VALVE
AUTOMATIC AIR VENT
FILTER
INLET COMBINATION
- Overflow
- Controllable Inlet valve
- Valve
PRESSURE REGULATING
VALVE