Thermia iTec XT Installation Guide

Table of Contents
1 About documents and decals ........................................................ 4
1.1 Introduction ................................................................ 4
1.2 Symbols in documents .......................................................... 4
1.3 Symbols on decals ............................................................ 4
2 Important information/Safety regulation ................................................ 6
2.1 General safety precautions ....................................................... 6
2.2 Refrigerant ................................................................. 10
3 Heat pump data ................................................................. 12
3.1 Heat pump data, dimensions and connections .......................................... 12
4 Transporting, unpacking and setting-up ................................................ 24
4.1 Transporting the heat pump ...................................................... 24
4.2 Unpacking ................................................................. 24
4.3 Moving the outdoor unit ........................................................ 25
4.4 Positioning the outdoor unit ...................................................... 31
4.5 Outdoor unit installation ........................................................ 33
4.6 Noise information ............................................................. 35
4.7 Installation notes regarding refrigerant ............................................... 36
5 Piping installation ................................................................ 37
5.1 Minimum total water volume and minimum flow in the heating system .......................... 38
5.2 Safety valves ................................................................ 40
5.3 Connection heating and hot water .................................................. 40
5.4 Piping work ................................................................. 40
5.5 Water quality ................................................................ 42
6 Electrical Installation .............................................................. 43
6.1 How to access the outdoor unit electrical cabinet ........................................ 44
6.2 Indoor unit ................................................................. 44
6.3 Electrical connection points ...................................................... 46
6.4 Cable connections ............................................................ 47
6.5 Mandatory connections (for iTec XT Standard, see additional picture below) ....................... 48
6.6 Sensors to external water heater connection ............................................ 49
6.7 Condenser circulation pump connection .............................................. 49
6.8 Room sensor connection ........................................................ 50
6.9 Distribution circuit 1 connection ................................................... 50
6.10 Valve zone 1 and 2 ............................................................ 51
6.11 Room sensor zone 1 and dewpoint sensor ............................................. 51
6.12 Room sensor zone 2 and EVU/smart grid 1 ............................................. 52
6.13 Smart grid 2 ................................................................. 52
6.14 Power supply connection outdoor unit ............................................... 53
6.15 Wiring .................................................................... 54
7 Check list ...................................................................... 56
7.1 Checking the piping installation .................................................... 56
7.2 Checking the electrical installation .................................................. 57
Installation Guide iTec XT
Thermia AB AWIXT01IG0102
3
6.16 Smart
Grid....................................................................
55

Thermia iTec XT Specifications

General

Brand	Thermia
Model	iTec XT
Category	Measuring Instruments
Language	English