Strebel S-WG 100, Installation, Operating And Maintenance Manual, Page: 37 / 125

E09.012.246 Manual S-WG
38
9 THE S-WG SANITAIRY SYSTEM: INSTALLATION INSTRUCTIONS
9.1 The S-WG system
The system as a whole is set up as shown in the next two examples, the first showing a combination of one wa-
ter heater and one tank, the second showing a combination of three water heaters and two tanks. Other combi-
nations are possible as well.
SAFETY COMPONENTS
NB! The pictures in §§ 9.1.1 and 9.1.2 show examples of functional installations. The safety components as
shown in these pictures are NOT necessarily conform the applicable standards and regulations.
ALWAYS have the installation installed by a skilled installer. Safety must be added according to all applicable
standards and regulations.
9.1.1
S
TAND
-
ALONE SET
-
UP
The basic form of a S-WG installation is one water heater with one tank.
Shown in the picture are the principle components and connections.
Example of a combination of one water heater and one tank
PUMP
NON RETURN VALVE
VALVE
SAFETY VALVE
AUTOMATIC AIR VENT
FILTER
INLET COMBINATION
- Overflow
- Controllable return valve
- Valve
PRESSURE REGULATING
VALVE
Extra explanation:
1) Pressure relief valve (mandatory in case wa-
ter 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)
1
This safety valve may never be isolated from
the water heater by means of a ball valve
5) Mount remote pipe sensor as close as possi-
ble to the tank
6) Drain valve (recommended)
7) Hot and cold water mixers
A) Cold water inlet (service pipe)
B) Hot water circulation flow
C) Circulation return
1
Always apply safety components according to
all applicable standards and regulations.
1
2
3
A
B
C
4
7
A
5
6
6
6