1.2 Notes
The symbols and notes below may appear in
Grundfos installation and operating instructions,
safety instructions and service instructions.
Observe these instructions for explosion-
proof products.
A blue or grey circle with a white graphical
symbol indicates that an action must be
taken.
A red or grey circle with a diagonal bar,
possibly with a black graphical symbol,
indicates that an action must not be taken
or must be stopped.
If these instructions are not observed, it
may result in malfunction or damage to the
equipment.
Tips and advice that make the work easier.
2. Related installation and operating
instructions
The X on the nameplate indicates that the pump is
subject to special conditions for safe use as
described in these instructions. The nameplate
markings are described in the table in section
5.
Identification.
In addition to these instructions, observe the
following installation and operating instructions:
•
CR, CRI, CRN: for standard pumps
•
CR, CRI, CRN, CRT: removal of transport bracket
and fitting of motor. For pumps without motor
•
MG: Grundfos standard motors.
For special versions of the CR pumps, observe the
relevant installation and operating instructions:
•
CRN MAGdrive
•
CR, CRI, CRN: double seal, back-to-back
•
CR, CRI, CRN: double seal, tandem
•
MG: Grundfos standard motors.
6
3. Receiving the product
If the pump is delivered without a motor, mount the
motor and then adjust the chamber stack and shaft
seal according to the procedure described in the
installation and operating instructions, "Removal of
transport bracket and fitting of motor", supplied with
the pump.
4. Explosion protection document
The combination of CR pump and all monitoring
equipment must be described in the explosion
protection document according to Directive 1999/92/
EC.