UNICA
Sanitary water heat pump
2
INDEX
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 LCD
ICONS
.............................................................................................................................................................................. 24
11.4 MAIN
LOGICS ........................................................................................................................................................................ 24
11.4.1
Water temperature difference for compressor starting ............................................................................................... 24
