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Conergy AS
Owners Manual
Electrical Connections to the System
Electrical Connections to the System
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7.1 Electrical connection for electric AES systems
For safe performance this water heater is fitted with a Thermostat, and an over temperature cut-out.
These devices should not be tampered with or removed. Do not operate this water heater without the
electrical thermostat and over temperature cut-out in the circuit.
The electric element is only connected in models using an electric AES system. No connection is
made to the electric element for gas AES systems.
For electric AES systems, there are numerous connection alternatives depending on the local electrical
supply tariffs and the costumers’ preferences. The correct alternative should be established with the
Conergy dealer prior to installation. Diagrams for the two most common alternatives are below.
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All electrical work must comply with local regulations and AS3000.
All electrical work must be conducted by a suitability licensed electrician.
Refer to the Owner’s Manual supplied with the tank for more detailed information on the specific
requirements of the storage tank.
Do not turn on power to the system until it is filled with water.
The electrical supply to the pump module must be continuously available. Off Peak power
must not be used as both temperature regulation and frost protection are governed by the pump
module
If the supply cord to any appliance is damaged, it must be replaced by the manufacturer or its
service agent or a similarly qualified person in order to avoid a hazard.
The electric AES is designed for single phase, 240V A.C. supply only.
For a single element tank, connections are made at the terminal block under the element cover.
For a twin element tank, connections are made at the terminal block under the lower element
cover. An active connection is made only to terminal A2, the top element.
Figure 5:
Single Element Tank Wiring Diagram
EARTH
RED
BLACK
A1
N
E
LE
M
E
N
T
Figure 6:
Twin Element Tank Wiring Diagram
ELEMENT
ELEMENT
BLUE
RED
RED
BLACK
A1
A2
N
EARTH