Nortec MH Series - Manual (Page 43)

MH Series | 39
Taking Out of Operation
In order to take the NORTEC MH Series out of operation (e.g. to perform maintenance or to
repair a malfunction, etc.) perform the following steps:
Close the shut-off valve in the water supply line.
Models MHB Reflow and MHTC Reflow: empty the water tub by starting the manual draining
(see operating instructions of the MH Series Control Unit) and wait until the water tub is empty.
Models MHTC Flow, MHB Reflow, and MHTC Reflow: switch off control unit. Important: If the
unit has to be switched off because of a malfunction, please note the code of the actual error
message.
Isolate all components of the NORTEC MH Series from the mains and secure the system
against accidentally being reconnected to the mains.
If work has to be carried out on the Nortec MH, switch off the ventilation system and secure
the system against accidentally being switched on.
Note: If the NORTEC MH Series is not be used for a long period of time, the MHB Flow model
should be taken out of operation as described above. However, the MHTC Flow, MHB Reflow,
and MHTC Reflow should stay operable to keep the hygiene functions active.
Important Notes on Maintenance
Qualification of Personnel
All maintenance work must be carried out by a qualified and trained personnel authorized by
he owner. It is the owner’s responsibility to verify proper qualification of the personnel.
General Note
The instructions and details for maintenance work must be followed and upheld. Only the
maintenance work described in this documentation may be carried out. Only use original
NORTEC spare parts to replace faulty parts.
The instructions and details for maintenance work must be followed and upheld. Only the
maintenance work described in this documentation may be carried out. Only use original
NORTEC spare parts to replace faulty parts.
Safety
Before carrying out any maintenance work, take the NORTEC MH Series out of operation as
described in this manual and secure the unit against inadvertent power-up. In addition, take
the ventilation system out of operation as described in the operation instructions of the
ventilation system and secure the ventilation system against inadvertent power-up.