C.P. Electronics ENERSTAT-T User manual

The ENERSTAT-T electronic thermostat will accurately maintain the temperature of
a room at two levels (or setpoints): the setback temperature and the boost tempera-
ture.
Normally the lower setback temperature level is maintained. When the front of the
unit is touched, the higher boost level is selected, but only for a preset time period.
After the time period the unit reverts to using the setback temperature.
Typically the setback level would be used to maintain background heat in a room.
When the occupant requires extra heat, the boost level provides this, but only for
the duration of the time period.
The ENERSTAT-T can directly switch a heating load making it ideal for the control
of panel heaters.
Wiring
Warning. This device works at mains potential. Be sure to take care when
working with electricity.
1. Make sure the load is connected and in working order.
2. Isolate the mains supply to the circuit at the main distribution
board.
3. Adjust the setback, boost and time settings according to the dia-
gram.
4. Connect the controller via the terminal block. Live supply to the L
terminal, Neutral supply to the N terminal and the load to the LIVE
OUT terminal.
5. Screw unit to the wall and switch the mains supply on.
6. If the heater has its own internal thermostat, turn this to maximum.
7. When the RED LED is lit, this indicates that the unit is supplying
power to the heater.
8. When the GREEN LED is lit, the unit is using the BOOST tempera-
ture.
9. The heater will now come on only if the temperature in the room is
less than the thermostat setpoint.
10. Due to variations in room size, heater efficiency, airflow, mounting
position, drafts etc. the temperature settings on the dial s should be
used as guidance only. It may be necessary to adjust the unit to
different settings in order to achieve the required temperatures.
11. To test that the unit is functioning correctly, repeat from step 2 and
select maximum boost temperature and minimum timing.
Installation
Wire the ENERSTAT-T as in the diagram.
To get accurate temperature measurements, siting the
unit in the correct location is important:
 Always mount onto a wall not a ceiling
 Do not install above a heater
 Allow a clearance of 500mm from the heater being controlled
 Avoid installing near drafts of airflow
 Ideally install at a height of 1.2m to 1.5m
 Do not cover the slots at the top and bottom
 Mounting on an internal wall or partition gives the best meas-
urement accuracy
Overview
Electronic Thermostat
Product Guide
ENERSTAT-T

LOAD 16 Amp resistive heating
Not suitable for controlling quartz heaters
SUPPLY VOLTAGE 220-240 Volts AC 50 Hz
TIME OUT PERIOD Adjustable 30 seconds to 4 hours
SETBACK TEMERATURE Adjustable 5°C to 20°C
BOOST TEMPERATURE Adjustable 10°C to 30°C
FIXING METHOD Surface fixing 25mm deep plastic surface mount moulded box.
Flush fixing 35mm steel wall box (ensure top and bottom lugs are removed) or 35mm deep cavity wall box.
TERMINAL CAPACITY 4.0mm2
MATERIAL Flame retardant ABS
TYPE Class 2
TEMPERATURE -10°C to 40°C
CONFORMITY EMC-89/336/EEC
LVD-73/23/EEC
HEATER DOES NOT COME ON
Check that the temperature in the room is below the setpoint. If not, then
the heater will not come on. Adjust the temperature settings accordingly.
Check that the boost has been selected—the green light should be on. If
this has not been selected then the lower setback temperature setting will
be used.
Check the circuit by strapping across L and LIVE OUT terminals.
BOOST LIGHT DOES NOT COME ON
Press the touch pad on the front of the unit.
Check that the unit is powered up by measuring the supply voltage across
L and N
ROOM TOO COLD
Check that the heater is working and the thermostat on the heater is
turned to maximum.
Check the temperature settings and increase if necessary.
Make sure that the thermostat is not installed above or near to the heater.
ROOM TOO HOT
Check the temperature settings and reduce if necessary.
Ref: #WD009 Issue 3
Fault Finding
Specification
C.P. Electronics Ltd
Brent Crescent
London
NW10 7XR
United Kingdom
Tel: + 44 (0) 333 900 0671
Fax: + 44 (0) 333 900 0674
www.cpelectronics.co.uk
[e-mail]
IMPORTANT NOTICE!
This device should be installed by a
qualified electrician in accordance with
the latest edition of the IEE wiring
regulations.
Due to our policy of continual product improvement CP Electronics reserves the right to alter the specification of this product without prior notice.
FM 45789 EMS 534520