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1. General Information
These instructions should be read carefully and retained for further reference
and maintenance.
2. Safety
• Before installation or maintenance, ensure the mains supply to the
Programmer is switched off and the circuit supply fuses are removed
or the circuit breaker turned off.
• It is recommended that a qualified electrician is consulted or used for the
installation of this Programmer and install in accordance with the current
IEE wiring and Building Regulations.
• Check that the total load on the circuit including when this Programmer is
fitted does not exceed the rating of the circuit cable, fuse or circuit breaker.
• To clean use a clean dry cloth only. Do not use any liquid cleaners.
3. Technical Specifications
• 230V AC 50 Hz
• This thermostat is of Class ll Construction and must not be earthed
• Switch Rating:
3(1)A
• Switch Type:
Single pole, double throw (SPDT)
for both heating and hot water,
change over contacts
• Connection Type:
3 wire
• Installation Type:
Surface mount with wall plate
• Micro Disconnection:
Type 1.B control action
• Operating Temperature Range: 0°C to +40°C
• Programme:
5 day plus 2, or 7 day set by DIP switches
• Pumped or Gravity Operation: System P or System G set by DIP switches
• Time Control Periods:
3 per day with copy function
• Clock Format:
12 hour AM/PM or 24 hour
• Summer/Winter Changeover: Day light saving, GMT or BST
• Holiday Mode:
0 to 31 day program suspension
• Boost Function:
1, 2 or 3 hour for both heating
and hot water
