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Installation and Service Manual Epsilon-Series
22
7 Electrical connection
The appliance complies with the actual Directives.
- A 230V -50Hz mains electrical supply is required fused externally at 5A.
- A deviation on the grid of 230V (+10% or -15%) and 50Hz
The installation must continue to comply with:
United Kingdom:
- the national rules for electrical installations.
Ireland:
- the ECTI national rules for electrical installations
The appliance must be connected to an earthed socket. this must be visible and within
reach.
The following general stipulations also apply:
- No changes may be made to the wiring of the appliance;
- All connections should be designed in accordance with the enclosed regulations.;
- Should it be necessary to change it, the mains power supply cable may only be re-
placed with an A.O. Smith mains power supply cable (Art.nr. 0310374(S)).
The bus room thermostat and controls must be connected to their allocated
connections. All other types or makes of room thermostats or controls which are
used must have a Volt free contact.
When using an on/o thermostat or control, it is possible that an anticipating resistance
must be installed in order to prevent too high temperature uctuations. As a standard
rule this means mercury thermostats. This resistance wire (Art.nr. 0312895(S)) must be
connected to clamps 23 and 27. The anticipating resistance in the room thermostat has
to be set at 0.11 A.
The anticipating resistance is not included with the device.
For more detailed questions regarding the components which are not supplied, please
contact A.O. Smith.
Connection terminal
Connectionterminal gure7.a
230 Volts for exter-
nal pump
mains power
supply
230 Volts for exter-
nal control
230 Volts
internal or external
three-way valve motor
and cylinder sensor
Bus thermostat
On/o thermostat or
control (Volt free)
outside sensor
External safety contact
24 Volts
maximum 100 mA
22


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Others manual(s) of A.O. Smith Epsilon EB 40

A.O. Smith Epsilon EB 40 User Manual - English - 16 pages

A.O. Smith Epsilon EB 40 User Manual - Dutch - 16 pages

A.O. Smith Epsilon EB 40 Installation Guide - Dutch - 48 pages

A.O. Smith Epsilon EB 40 Installation Guide - French - 44 pages

A.O. Smith Epsilon EB 40 User Manual - French - 16 pages


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