Initial Commissioning; Filling With Water; Control Points; Emptying Of Water - OSO HOTWATER Maxi Series Safety Information, O&M Information, Installation Manual, Technical Data Sheet

4. INITIAL COMMISSIONING

4.1 Filling with 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.
Check that the water from the open hot water tap
is flowing freely, without any air locks. Close hot
tap.

4.2 Control points

A) Check that all pipe connections to/from the
product are tight and not leaking.
B) Check that the product is standing firmly ver-
tically and horizontally.

4.3 Emptying of water

The water temperature in the product may be up
to 75°C and could cause scalding. Before empty-
ing, a hot tap should be opened to the max. pres-
sure/temperature for min. 3 minutes.
A) Shut off/disconnect from the heat source.
B) Shut off incoming cold water supply.
C) Open a hot
– leave open (prevents a vacuum).
D) Open the product's drain connection (1).
Product emptied. After emptying plugs clear
the Internet again before the product is refilled
with water.

4.4 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.
10
! WARNING
tap to the maximum

5. TROUBLESHOOTING

5.1 Faults and fixes

If problems arise when the product is in use,
check for possible faults and fixes in the table.
1. Water leaking from pipe connection.
Possible cause: Pipe connection is loose
or sealant is insufficient.
Possible solution: Tighten pipe connec-
tion, replace sealant if necessary.
2. Water leaking from the tank, not the pipe
connection.
Possible cause: Leakage from the steel
tank.
Possible solution: Check if it is possible to
see the leak point. Contact installer.
If you are unsure what is wrong, contact the
installer (see product type plate) or OSO Hot-
water AS - see section 6.1.
1