Thermia iTec User Manual

Table of Contents
1 Foreword ............................................... 5
2 Safety precautions ......................................... 6
2.1 Important information .................................... 6
2.2 Installation and maintenance ................................ 7
2.3 System modifications .................................... 7
2.4 Safety valves ......................................... 7
3 About your heat pump ....................................... 8
3.1 Components and functions ................................. 8
3.1.1 Outdoor unit ......................................... 8
3.1.2 Indoor unit .......................................... 9
3.1.3 Heating ............................................ 9
3.1.4 Hot water function ...................................... 10
3.1.5 Defrost function ....................................... 11
3.1.6 Cooling function ....................................... 11
3.1.7 Electronic expansion valve ................................. 11
3.1.8 Auxiliary heat ......................................... 11
3.1.9 Speed (rpm) control ..................................... 12
4 Control system ........................................... 13
4.1 Keypad ............................................. 13
4.2 Indicator ............................................ 14
4.3 Display ............................................. 14
4.4 Main Menu .......................................... 15
5 Settings and adjustments ..................................... 16
5.1 Setting operating mode ................................... 16
5.2 Adjusting the indoor temperature ............................. 17
5.3 Distribution circuit 1 and 2 ................................. 19
5.4 Hot water ........................................... 19
5.5 Cooling ............................................ 19
5.6 Reading of temperatures .................................. 19
5.7 Reading the operating time ................................. 20
5.8 Calendar ............................................ 20
5.8.1 Setting of temperature reduction ............................. 21
5.8.2 Setting of calendar function ................................. 21
5.8.3 Setting of hot water, EVU, silent mode and temp reduction ............... 21
5.9 Alarm history ......................................... 22
6 Regular checks ........................................... 23
6.1 Checking operation ..................................... 23
6.2 Check the water level in the heating circuit ........................ 24
6.3 Checking safety valves .................................... 24
6.4 In the event of leakage .................................... 24
6.5 Cleaning the strainer for the heating circuit ........................ 25
7 Default setting in the control computer ............................ 26
8 Installation protocol ........................................ 27
9 Checklist ............................................... 28
User Guide iTec
Thermia Värmepumpar VUJSI102
3

Thermia iTec Specifications

General

Brand	Thermia
Model	iTec
Category	Heat Pump
Language	English