Nimbus Compact M NET R32 Installation Manual UK


Contents
1. Safety advices
1.1 General warnings and safety instructions 4
1.2 Use of the R32 refrigerant 6
1.3 Symbols affixed to the appliance 7
2. Description of the system
2.1 Outdoor unit (ODU) 8
2.1.1 Structure 8
2.1.2 Dimensions and weights 9
2.1.3 Hydraulic and drainage fittings 10
2.1.4 Accessories 10
2.2 Indoor unit (IDU) 11
2.2.1 Structure 11
2.2.2 Dimensions and weights 13
2.2.3 Hydraulic and drainage fittings 13
2.3 Operational limits 14
2.3.1 Compressor frequency table 14
2.3.2 DHW Safety device intervention order 14
2.4 Identification 15
2.5 System interface SENSYS HD 16
2.5.1 Technical data 17
2.6 External probe 17
3. Installation
3.1 Preliminary warnings 18
3.2 Receiving the product 19
3.3 Installing the outdoor unit 19
3.3.1 Place of installation 19
3.3.2 Noise level 20
3.3.3 Handling 20
3.3.4 Installation 21
3.3.5 Arranging the connections 22
3.3.6 Installing the accessory kit 22
3.4 Installing the indoor unit 23
3.4.1 Place of installation 23
3.4.2 Handling 24
4. Hydraulic connections
4.1 Indoor unit hydraulic connections 25
4.1.1 Safety valve drain 26
4.1.2 Minimum water content 26
4.1.3 Expansion vessel 26
4.1.4 Rated and minimum flow rate 26
4.1.5 Available pressure 27
4.1.6 Characteristics of the supply water 28
4.1.7 Filling the system 28
4.2 Installation of the Hydraulic KIT 29
4.2.1 Safety inlet assembly 29
4.2.2 Exspansion vessel 29
4.2.3 Tundish 29
4.2.4 Safety device connection 29
4.2.5 Hydraulic connections 30
4.3 Example of schematic hydraulic diagram 31
5. Electrical connections
5.1 Outdoor unit electrical connections 35
5.2 Indoor unit electrical connections 37
5.3 Example of electrical connection between
indoor and outdoor units 40
5.4 Installing the system interface 41
5.4.1 Wall installation 41
5.4.2 On-board installation 41
5.5 Installing the Light Gateway 43
6. Commissioning
6.1 Checking for electrical dispersions and gas
leakages 45
6.1.1 Electrical safety checks 45
6.1.2 Check for gas leakages 45
6.2 Preliminary checks 45
6.3 Initial start-up 46
6.3.1 Start-up procedure 46
6.4 Basic functions 47
6.5 Access to technical area 47
6.6 Technical parameters 48
6.7 Temperature adjustment 58
6.8 Standard SG ready 62
6.9 Parameter table 63
7. Service
7.1 Cleaning and inspecting the indoor unit 74
7.2 Cleaning and inspecting the outdoor unit 74
7.3 Error list 75
8. Decommissioning
8.1 Draining the circuit and recovering the
refrigerant 78
8.2 Disposal 79
9. Technical information
9.1 Data plate 80
9.2 Technical data table for refrigerant 80
10. Annexes
EN / 3