Riello NUOVO ACU Series Technical Information Assembly, Use And Maintenance Instructions page 3

Conformity
Range
Warranty
Notes for disposal
Index
General warnings
Essential safety rules
Description of the device
Receiving the product
Handling and transport
Removing the packaging
Identification
Dimensions and weight
Structure
Technical data
Performance with water 90-70°C
Performance with water 85-70°C
Performance with water 50-40°C
Accessories
Positioning
Example of positioning
Sizing of the hydraulic connections
Hydraulic diagram
Reversal of the hydraulic connections
Hydraulic connections
Electrical connections
Electrical connection diagram types 1÷12
Electrical connection diagram types 13÷18 (MIN speed)
Electrical connection diagram types 13÷18 (MAX speed)
Fan motor winding diagram
Electrical connection diagram types 15÷18 without junction box (MIN speed)
Electrical connection diagram types 15÷18 without junction box (MAX speed)
Electrical connection diagram types 15÷18 with junction box (MIN speed)
Electrical connection diagram types 15÷18 with junction box (MAX speed)
Electrical connection diagram accessories
Loading – emptying the system
Preparing for start-up
Adjustment of fins
First start-up
Checks during and after first-time start-up
Turning off for long periods
Maintenance
Troubleshooting
In the manual, the following symbols are used:
WARNING = operations requiring appropriate care and preparation.
FORBIDDEN = operations that MUST NOT be performed, in any case
This manual has 52 pages.
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