Eph controls A17 User Manual
Page 1 of 2
A17 - 1 Zone Timeswitch
Installation Instructions
For use in normal environments.
CAUTION! Installation and connection should only be carried out by a qualied
person and in accordance with national wiring regulations.
Before commencing any work on the electrical connections, you must rst disconnect the timeswitch
from the mains. None of the 230V connections must be live until the installation has been completed
and the housing is closed. Only qualied electricians or authorised service sta are permitted to open
the timeswitch. Disconnect from mains supply in the event of any damage to any buttons.
There are parts that carry mains voltage behind the cover. The timeswitch must not be left unsupervised
when open. (Prevent non specialists and especially children from gaining access to it.)
If the timeswitch is used in a way not specied by the manufacturer, its safety may be impaired.
Prior to setting the timeswitch, it is neccessary to complete all required settings described in this section.
Never remove this product from the electrical baseplate. Do not use sharp tools to push any button.
This timeswitch can be mounted in the following ways: 1. Directly wall mounted 2. Mounted to a recessed conduit box
1
2
This timeswitch is designed to provide ON/OFF
control for 1 zone, with the value added application
of in built frost protection.
Impor tant: Kee p this document
Type
1C
EN60730
99
140
°C
55
131
°F
32
0
3
IP20
EN60529
5-95%RH
4
5 6
EPH Controls Ireland
sales@ephcontrols.com www.ephcontrols.com
EPH Controls UK
sales@ephcontrols.co.uk www.ephcontrols.co.uk
20180528_A17_InsIns_JW
Page 2 of 2
A17 - 1 Zone Timeswitch
Contents
1. Factory default settings
2. Specications & wiring
Installation Instructions
For use in normal environments.
1. Factory default settings
Contacts: Volt free contact
Program: 5/2D
Backlight: On
Keypad: Unlocked
Clock type: 24 Hr Clock
Day-Light Saving
2. Specications & wiring
Power Supply: 230 Vac, 50-60 Hz, 8 VA
Ambient Temp: 0~35°C
Contact Rating: 250 Vac 3(1)A
Program Memory
backup: 3 months
Battery: 3Vdc CR2032
Backlight: Blue
IP rating: IP20
Backplate: British System Standard
Pollution degree: 2
Rated Impulse Voltage: 2,500V as per EN 60730
Automatic Action: Type 1.C
Software: Class A
Ball Pressure Test Temperature: 70˚C
OFFCOM
200-240Vac
50Hz-60Hz
If mains voltage output is required, terminals L & 1 must be electrically
linked. The cable link is provided with this timeswitch.
CONTACT RATING: 250Vac~/3(1)A
ON
EPH Controls Ireland
sales@ephcontrols.com www.ephcontrols.com
EPH Controls UK
sales@ephcontrols.co.uk www.ephcontrols.co.uk
20180528_A17_InsIns_JW
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