Initial Commissioning; Filling Water; Turning On The Power; Control Points - OSO HOTWATER Wally W 30 Installation Manual

4. INITIAL COMMISSIONING

4.1 Filling water

First check that all pipes are connected correctly.
Then proceed as follows:
A) Open a hot tap – leave it open
B) Open the cold water supply to the product.
C) Fully open the cold water shut-off valve (2).
Leave open. Check that the water from the open
hot water tap flows freely without any splutter or
air locks.
D)Close the hot water tap. The tank is now filled.
The cold water shut-off valve (2) can be used to
temporarily switch off the water supply to the
tank during service etc. NOTE: The power sup-
ply to the product must always be disconnected
before turning off the cold water supply.

4.2 Turning on the power

When the cylinder has been filled with water, the
power can be switched on.
A) Insert plug into specified wall socket or turn on
switch/breaker.
4.3Temperature adjustment of tap water
The water temperature to the taps in the home can
be adjusted using the mixer valve (3). Adjustment
only changes the water temperature to the taps
- see section 5.1.1 for adjusting the water tem-
perature inside the tank.
4.4 Control points (min. annual)
A) Check that all pipe connections to/from the
product are tight and not leaking.
B) Check that the power supply to the product is
not at risk of exposure to mechanical, thermal or
chemical damage, and is not connected to a non
approved power supply control unit.
C) Check that any overflow pipe from the safety
valve overflow (9) is uninterruptable, undamaged
and frost-free slopingl to the drain.
D) Check that the product is hanging securely ver-
tically and horizontally.
4.4 Control points (min. annually)
!
The water temperature in the product is up to
90°C and could cause scalding. Before emptying,
a hot tap should be opened to the max. pressure/
temperature for min. 3 minutes.
A) Disconnect the power supply.
B) Shut off incoming cold water supply (do not
12
WARNINGS
use the cold water shut-off valve).
C) Open a hot water tap to maximum and leave
open (prevents a vacuum).
D) Twist the knob on the safety valve (1) approx.
90 degrees counterclockwise to the open posi-
tion.
The product empties. After emptying, close the
safety valve by turning the knob (1) further
counterclockwise. Close all open taps.
2
1
9
4
5
6

4.6 Handover to end-user

THE INSTALLER MUST:
Brief the end-user on safety and maintenance
instructions.
Brief the end-user on settings and emptying the
product.
Hand this installation manual over to the end-
user.
Enter contact details on the type plate on the
product.
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