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UNICA
Sanitary water heat pump
1
PURPOSES AND CONTENTS OF THIS MANUAL ..................................................................................................................... 4
1.1
HOW TO KEEP THIS MANUAL ................................................................................................................................................. 4
1.2
GRAPHIC SYMBOLS USED IN THE MANUAL ............................................................................................................................ 4
2
SAFETY LAWS ..................................................................................................................................................................... 4
3
PERMITTED USE ................................................................................................................................................................. 4
4
GENERAL SAFETY GUIDELINES ............................................................................................................................................ 5
4.1
WORKERS' HEALTH AND SAFETY ............................................................................................................................................ 5
4.2
PERSONAL SAFETY EQUIPMENTS ........................................................................................................................................... 5
4.3
SAFETY SYMBOLS ................................................................................................................................................................... 5
4.4
REFRIGERANT SAFETY DATA SHEET ........................................................................................................................................ 6
5
GENERAL CHARACTERISTICS ............................................................................................................................................... 7
5.1
FLEXIBILITY AND BENEFITS OF UNICA INSTALLATION ............................................................................................................. 7
5.2
COMPACT DESIGN .................................................................................................................................................................. 7
5.3
AVAILABLE MODELS ............................................................................................................................................................... 8
5.4
AVAILABLE OPTIONALS .......................................................................................................................................................... 8
6
TECHNICAL FEATURES ........................................................................................................................................................ 8
7
ITEMS INSIDE PRODUCT BOX .............................................................................................................................................. 8
8
OVERVIEW OF THE UNIT ..................................................................................................................................................... 9
8.1
PARTS AND DESCRIPTIONS ..................................................................................................................................................... 9
8.2
DIMENSIONS ........................................................................................................................................................................ 10
8.3
HOLES FOR CABLES ............................................................................................................................................................... 12
8.4
HOW TO REPLACE THE MAGNESIUM STICK .......................................................................................................................... 12
8.5
REGULATION THERMOSTAT OF THE ELECTRIC HEATER ........................................................................................................ 12
8.6
SCHEMATIC OVERVIEW OF THE WATER AND GAS CIRCUIT .................................................................................................. 13
8.7
SCHEMATIC OVERVIEW OF THE GAS CIRCUIT ....................................................................................................................... 13
9
INSTALLATION ................................................................................................................................................................... 13
9.1
GENERALITY ......................................................................................................................................................................... 13
9.2
SAFETY INSTRUCTIONS ......................................................................................................................................................... 14
9.2.1
Warning ........................................................................................................................................................................ 14
9.2.2
Caution ......................................................................................................................................................................... 14
9.3
TRANSPORTATION ............................................................................................................................................................... 14
9.3.1
Transport using a forklift .............................................................................................................................................. 14
9.3.2
Manual transport ......................................................................................................................................................... 15
9.4
REQUIRED SERVICE SPACE .................................................................................................................................................... 15
9.5
INSTALLATION OVERVIEW ................................................................................................................................................... 16
9.6
HYDRAULIC CONNECTIONS .................................................................................................................................................. 17
9.6.1
Water connections ....................................................................................................................................................... 17
9.6.2
Water loading ............................................................................................................................................................... 17
9.6.3
Water emptying ........................................................................................................................................................... 18
9.6.4
Installation of an external re-circulation pump and flow switch .................................................................................. 18
9.6.5
Connection of an auxiliary heat source ........................................................................................................................ 19
9.7
ELECTRICAL CONNECTIONS .................................................................................................................................................. 20
10 START UP .......................................................................................................................................................................... 20
11 OPERATION THE UNIT ....................................................................................................................................................... 21
11.1
USER INTERFACE .................................................................................................................................................................. 21
11.2
OPERATIONS ........................................................................................................................................................................ 21
11.3
.............................................................................................................................................................................. 24
11.4
MAIN LOGICS ........................................................................................................................................................................ 24
11.4.1
Water temperature difference for compressor starting ............................................................................................... 24
2
INDEX
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