Minimum static head - open vented systems. Pumps may be fitted to systems with a
minimum static head of 300mm provided the pump inlet is adjacent to the neutral point
and the water temperature does not exceed 80ºC
2. Packaging & Handling
2.1 Transport and Storage ATTENTION
The pump must be protected from moisture, and must not be subjected to temperatures
outside -10ºC and 50ºC.
2.2 Handling ATTENTION
Care must be taken when handling and installing the pump to avoid damaging
components. If damage occurs the pump must not be used Abnormal handling may
invalidate the warranty
3. Description of Pump
3.1 General Description
The pump is fitted with a wet running motor. The pumping fluid lubricates the bearings
and rotor.
Design and Function / Safety Devices
The motor windings are impedance protected.
A provision for earthing the outer casing is provided.
Standard Pumps
Models offer a single or variable speed setting to allow system requirements to be
accurately met.
Electronic Pumps
The pump control channel is selected using a 3-stage selector switch in accordance with
the installation requirements
Prohibited Use ATTENTION
The pump must not be used on secondary hot water services, handling drinking water or
food related liquids.
4. Installation
4.1 Electrical Connection Block Positioning
If the electrical connection block is not in a convenient position when the circulator is
delivered, the motor head may be rotated prior to fitting. Release the screws on the pump
casing and rotate the motor head to its new position.
If this is done please check the following: -
1. Take care not to remove or damage the seal between motor head and pump casing.
2. Tighten the fixing screws in a diagonal pattern in stages to a final torque of 25Kg cm
(22lb in).
9
GB
8573 Nocchi Booklet 12 linguil 4124349:Pentair Water Italy Srl - Reb