Grant Products HPAW155 - Manual (Page 4)

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Contents
Contents
Stop! i
Legislation ii
Contents iii
1 Introduction 1
1.1 General Information 1
1.2 Warranty 1
1.3 Important Advice 1
1.4 Immersion Heater 1
2 Specifications and Controls 2
2.1 Specifications 2
2.2 Dimensions 2
2.3 Main Components 3
2.4 Heat Pump Curves 4
2.5 Pump Curves 5
2.6 Operating Sequences 5
2.7 Controls 6
3 Siting the Heat Pump 7
3.1 Position 7
3.2 Orientation 8
4 Hydraulic Diagrams 9
4.1 S-Plan Type - Monovalent 9
4.2 Extended S-Plan Type - Monovalent 9
4.3 S-Plan Type - Bivalent 10
4.4 Extended S-Plan Type - Bivalent 11
4.5 Buffer Tanks 12
4.6 S-Plan with Buffer - Monovalent 12
4.7 Extended S-Plan with Buffer - Monovalent 13
5 System Design Criteria 14
6 Calculating Radiator Sizes 15
7 Sealed Systems 16
8 Electrical 17
8.1 General 17
8.2 Basic Circuits – Making the Connection 17
8.3 Controller 19
8.4 Mains Supply Cable 19
8.5 Heat Pump Wiring Diagram 20
8.6 System Control Wiring Diagrams 22
8.7 Wiring Diagrams 23
8.8 Bivalent Systems 25
8.9 Extending the Electrics 25
9 Domestic Hot Water 26
9.1 Temperature Control 26
9.2 Heat Pump Cylinders 26
9.3 Temperature Boost 26
10 Filling the System 28
10.1 Filling and Venting - Sealed Systems 28
10.2 Flushing and Corrosion Protection 28
10.3 Antifreeze 28
11 Commissioning 29
11.1 Switching on First Time 29
11.2 Setting the ATC Controller 30
11.3 Setting the BTC Controller 32
11.4 Record of ATC and BTC Settings 34
12 Servicing & Maintenance 35
12.1 General 35
12.2 Air Inlet and Outlet 35
12.3 Condensate Disposal 35
12.4 Heating System Connections 35
12.5 Heat Pump Controls 35
12.6 Refrigerant 35
13 Fault Finding 36
14 Spare Parts 40
15 Accessories 41
15.1 Sealed System Kits 41
15.2 Immersion Heater Kits 41
16 Glossary Of Terms 42
17 Warranty 43