2
ECOTHERM
Heat transfer solutions
®
Operating Instructions High Capacity Water Heaters Models EHRE/EHPE & EDRE - ELC 11
1. introduction
4
1.1 Preparing for installation
4
1.1.1 Unpacking storage tanks
4
1.1.2 Non-return valves for cold water supply and circulation connections
4
1.1.3 Filter recommendations
4
1.1.4 Primary circuit heating water pressure from boiler
4
1.1.5 Secondary circuit expansion vessel
4
1.1.6 Tank legs
4
1.1.7 Electronic control unit - maximum operation temperature
4
1.1.8 Low power electrical supply to control unit and electric anodes
4
1.1.9 Copper piping and water borne chloride ions
4
1.1.9a Isolating connectors
4
1.1.9b Non-sacrificial electric anode
4
1.1.9c Simple repair
4
2. Warranty, safety instructions and general information
5
2.1 General
5
2.2 Guarantee
5
2.2.1 Warranty
5
2.2.2 Additional warranty conditions for the stainless steel storage tank
5
2.2.3 Liability
5
2.2.4 Validity clause
5
2.2.5 Choice of law
5
2.3 Safety guidelines
6
2.4 Product description & delivery content
7-9
2.5 Packaging
10
2.6 Compliance statement
10
3. installation and assembly
11
3.1 Space requirement
11
3.1a Requirement of more space for additional tanks
11
3.2 Installation
12
3.3 Heat exchanger assembly
12
3.4 Cover assembly
12
3.5 Connection dimensions and heights
13
4. Connection piping
14
4.1 General remarks
14
4.2 Cold water connection
14
4.3 Hot water connection
14
4.4 Circulation pipeline
14
4.5 Ventilation
14
4.6 Drainage
14
4.7 Primary circuit connection to boiler
14
4.8 Re-tightening of the flange bolts
14
4.9 Heat exchanger, pumps and valves for EH water heater
15
4.10 Primary control valve and primary side connection dimensions
15
5. electrical connection
16
5.1 General remarks, safety guidelines, warnings
16
5.2 Electrical loading
17
5.3 Electrical connection diagram
17-23
6. filling and venting of the water heater
24
6.1 Flushing of the plant
24
6.2 Filling the storage tank and secondary circuit
24
6.3 Filling and venting the primary circuit
24
7. Control unit description and operation control unit elC 11
25
7.1 General buttons
25
7.2 Display and keypad
26
7.3 Description of the display units
27
7.3.1.1. Service page
27
7.3.1.2. Time out safety level
27
Contents
Contents
