Hot Supply
Option A
7
12
6
10
A
J
B
3
14
5
4
9
2
8
TECHNICAL INFORMATION
3
3.1 SYSTEM COMPONENTS TYPICAL LAYOUT AND CONNECTIONS
3.2 SPECIFICATIONS
3-2.1 Cylinder
Maximum Water Supply Pressure
..........................
6.0 Bar
Operating Pressure
.......................................................
3.5 Bar
Pressure and Temperature Relief Valve
....
10 Bar/90°C
Maximum Temperature
.....................................................
75°C
Cylinder Thermostat
............................
range 45°C to 75°C
Recommended Setting
...................
50°C min - 70°C max
High Limit Thermostat
.....................................
fixed @ 85°C
Immersion Heater
Voltage
..............................................................................
240v
Power
.................................................................................
3kW
Motorised Valve
.............................................................
V4043H
3-2.2 Accumulator
Membrane
.................................
Butyl for wholesome water
Maximum pressure
.........................................................
10 Bar
Factory set pressure
.........................................................
2 Bar
3-2.3 Pipes
All pipes should be sized to suit application.
3-2.4 Electrics
All systems are supplied for 240V SINGLE PHASE.
1.
Accumulator (Cold Water Storage)
2.
Unvented Cylinder
3.
Cylinder Thermostat (Indirect)
4.
Immersion Heater Thermostat
5.
Immersion Heater
6.
Expansion Relief Valve
7.
Pressure Reducing Valve
9.
Pressure Relief Valve & Temperature
Relief Valve
10. Tundish
12. Cold Main Shut Off Valve
14. Cylinder Drain Cock
15. Tee Connection
A.
Water from system
B.
Accumulator Drain Cock
C.
Controlled action diaphragm
D.
Gas charge
E.
Gas charge valve
F.
Internal clench ring
G.
Threaded nut for pum stand installation
H.
Air flow design to reduce condensation
I.
Diffuser directs flow up and out
Note: All items numbered are supplied.
The accumulator must be set at between 1 and 1.5
bar below the pressure reducing valve setting.
Minimum accumulator pressure 0.5 bar (7 PSI).
If there is an incoming pressure of 3.5 bar or over DO
NOT adjust the accumulator pressure. You should only
take air out of the accumulator and not pump it up on
installation.
3.1a SCHEMATIC LAYOUT
(Indirect unit)
Accumulator
H
F
D
E
C
1
G
15