Unical HP_OWER 250N, User'S And Installer'S Manual

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15 CIRCULATOR’S CURVES .................................................................................................................................................. 26
15.1 MODELS HP_OWER 250N – 350N ................................................................................................................................... 26
15.2 MODEL HP_OWER 500N .................................................................................................................................................. 26
15.4 CIRCULATOR CHARACTERISTICS ............................................................................................................................... 27
16 HEAD LOSS CURVES OF THE HYDRONIC CIRCUIT................................................................................................. 27
17 CHARACTERISTIC CURVE OF THE CONTROL VALVE FOR UNIT IN PARALLEL .......................................... 28
18 ACCESSORIES TO REDUCE THE NOISE LEVEL ........................................................................................................ 28
18.1 LN C
OD
. 00264036/00264037 ............................................................................................................................................. 28
18.2 SSL C
OD
. 00264038 ............................................................................................................................................................. 28
19 OPERATING LIMITS .......................................................................................................................................................... 29
19.1 EVAPORATOR WATER FLOW RATE............................................................................................................................. 29
19.2 COLD WATER TEMPERATURE (SUMMER OPERATION) .......................................................................................... 29
19.3 HOT WATER TEMPERATURE (WINTER OPERATION) .............................................................................................. 29
19.4 AMBIENT AIR TEMPERATURE ...................................................................................................................................... 29
20 CORRECTION FACTORS FOR USE OF GLYCOL........................................................................................................ 30
21 DIMENSIONS ........................................................................................................................................................................ 31
22 ELECTRIC PANEL .............................................................................................................................................................. 32
1 AIM AND CONTENTS OF THIS MANUAL
This manual provides the basic information as for the selection, installation, operation and maintenance of the HP_OWER units. It
is addressed to the installer and the user of the appliance and it includes the necessary indications allowing the user to operate
the unit efficiently, even without any previous specific knowledge of it.
The manual describes the characteristics of the appliance at the time of its marketing; therefore, it must be considered adequate
respecting the state of the art in terms of potentiality, ergonomics, safety and functionality.
The company introduces also technological improvements and is not constrained to update the manuals for previous versions of
appliances that could not be compatible. So make sure to use, for the installed unit, the supplied manual.
It’s recommended that, the user must follow the instructions contained in this booklet, especially those concerning the safety and
routine maintenance.
1.1 HOW TO KEEP THIS MANUAL
The manual has to be always kept with the unit it refers to. It has to be stored in a safe place, away from the dust and moisture. It
has to be accessible to all users who shall consult it any time they are in doubt on how to operate the equipment.
The company reserves the right to modify its products and related manuals without necessarily updating previous versions of the
reference material. It declines also any responsibility for possible inaccuracies in the manual if due to printing or transcription
errors.
The customer shall store any updated copy of the manual or parts of it delivered by the manufacturer as an attachment to this
manual.
The company is available to give any detailed information about this manual and to give information regarding the use and the
maintenance of its own units.
1.2 GRAPHIC SYMBOLS
Indicates operations that can be dangerous for people and/or disrupts the correct operation of the equipment.
Indicates prohibited operations.
Indicates important information that the operator has to follow in order to guarantee the correct operation of the
equipment in complete safety.
2 SAFETY LAWS
Every unit have been designed in accordance with the following directives and harmonised standards:
• EU Directives 97/23/EC, 2006/42/EC, 2014/35/UE, 2014/30/EU, 2011/65/EU, 2012/19/EU
• UNI EN 378-1, 378-2, EN 12735-1
• UNI EN ISO 12100, EN 60204-1, UNI EN ISO 13857
• CEI EN 61000-6-3, IEC 61000-6-2.
3 PERMITTED USES
•
The company excludes any contractual and extracontractual liabilities for damages caused to persons, animals or objects, by
incorrect installation, setting and maintenance, improper use of the equipment, and the partial or superficial reading of the
information contained in this manual.
• These units have been designed only for heating and/or cooling of water. Any other use not expressly authorized by the
manufacturer is considered improper and therefore not allowed.