A.O. Smith AHD 290 Installation & Service Manual page 38

Table of contents
A
1. About the product
1.1 Scope of delivery
1.2 Product description
1.3 Technical data
1.4 Refrigirant circuit - description
1.4.1 Cooling system - description
1.4.2 Electrical circuit - description
1.4.3 Water circuit - description
1.4.4 Refregerant circuit - schematic
1.5 Water circuit - description
1.5.1 Requirement for the water circuit
1.5.2 Dimensions
1.5.3 Water circuit - hydraulics diagram
1.6 Electrical schematic
2. Before installation / Placement into
service
2.1 Important safety instructions
2.1.1 Cooling system - safety instructions
2.1.2 Electrical system - safety instructions
2.1.3 Water circuit - safety instructions
2.2 Delivery
2.3 Storage
2.4 Transport
2.4.1 Transport with forklift
2.4.2 Unloading the heat pump
2.4.3 Transport with trolley
2.5 Placement / set-up
2.6 Connection of water pipes
3. Installation
3.1 Water connection
3.2 Placement of pipe connections
3.3 Connection of condensation drain
3.4 Air intake and exhaust
3.5 Checking
4. Placement into service / operation
4.1 Demands to the hot water circuit
4.2 Starting to use the water circuit
4.3 Placement in to service of the water circuit
4.4 Electricity - connecting
4.5 Cooling circuit
4.6 Hints for energy savings
4.7 Hints for fan operation
4.8 Checking
38
B
39
1. User Guide
39
1.1 Use
39
1.2 Altering of the operation data
39
1.3 Operating menu
40
1.4 Factory default scheme
40
1.5 Defrost program
40
40
2. Function
41
2.1 Description
42
2.2 Exact capacity
42
2.3 Operation safety
42
2.4 Warnings
43
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3. Maintenance
3.1 Cooling system and fan
45
3.2 Water circuit and tank
3.3 Demounting/Putting the unit out of
45
service
45
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4. Fault finding
45
4.1 High pressure switch
45
4.2 Safety breaker for heating element
46
4.3 Heat pump will not run
46
46
5. Warranty
46
46
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