General Information; Symbol Explanation; Safety Notes; Application - oventrop 420 67 76 Manual Del Usuario

1. General information

1.1. Information regarding installation and ope-
rating instructions
These installation and operating instructions serve
the installer to install the pump group professio-
nally, to put it into operation and to service it.
Read installation and operating instructions in their
entirety before work commences.

1.2. Symbol explanation

Safety guidelines are displayed by symbols. These
guidelines are to be observed to prevent accidents,
damage to property and malfunctions.
DANGER
Imminent danger to life and limb
ATTENTION
Potential dangerous situation for
product, system or hygiene
NOTE
Useful information and notes
MAINTENANCE ADVICE
The advice must be followed for a
successful maintenance of the
pump group.

2. Safety notes

The pump group must be installed by a specialist
company with due consideration of valid standards
and rules.
The manufacturer does not accept liability for da-
mages and malfunctions caused by nonobservance
of these instructions.
DANGER
The electrical connection must be carried
out by a qualified tradesman
The regulations of the local energy supplier
must be observed
The NIN (CENELEC) regulations are to be
observed

3. Application

The circulation station is installed in the return
pipe of a circulation system. The high-efficiency
pump is automatically adjusted to the optimum
output with the help of the integrated thermostatic
circulation valve.
6 6
The thermostatic circulation valve "Aquastrom
VT" and the high-efficiency pump "AXW 12"
support each other with the thermal disinfection
by increasing the residual volume flow. This way,
the disinfection phase is reduced.

4. Installation scheme

Potable water
circulation
5. Maintenance advice
Replacement of the pump:
The pump can be replaced after having removed
the insulation shells. Close the ball valve of the
circulation valve. The pump can be removed after
having unscrewed the collar nuts at the pump
flange.
The check valve installed at the outlet
port of the pump group stops the cir-
culation water from escaping when re-
moving the pump. Always use new
seals when replacing the pump.
Potable water
hot
Potable water
cold