ESI ESCTDE Mode d'emploi

Table des matières

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*Patent pending

ESCTDE

Electronic Dual Cylinder Thermostat*

User and Installaon Instrucons

INDEX

User Instrucons

What is a Cylinder Thermostat? 1

Introducon to the CTDE 2

Holiday Switch 4

Installaon Instrucons

Technical Data 5

Installaon Safety Instrucons 6

General Safety Instrucons 6

Maintenance 7

Safety Noce 7

Fing the Cylinder Thermostat 8

Adjusng and Reseng the Cylinder Thermostat 8

Wiring Example 9

User

Instrucons

What is a Cylinder Thermostat?...An explanaon for householders

heang when the temperature falls below the thermostat seng, and switching it

oﬀ once this set temperature has been reached.

Turning a cylinder thermostat to a higher seng will not make the water heat up

any faster. How quickly the water heats up depends on the design of the heang

system, for example, the size of the boiler and the heat exchanger inside the

cylinder.

The water heang will not work if a me switch or programmer has switched it oﬀ.

And the cylinder thermostat will not always switch the boiler oﬀ, because the

boiler somemes needs to heat the radiators.

Cylinder thermostats are usually ﬁed between one quarter and one third of the

way up the cylinder. The cylinder thermostat will have a temperature scale marked

on it, and it can be adjusted to the chosen temperature, then le to do its job. The

thermostat must be designed to kill oﬀ harmful bacteria in the water. Raising the

temperature of the stored hot water unnecessarily results in wasted energy and

increases the risk of scalding.

A cylinder thermostat switches on and oﬀ the heat supply from the

boiler to the hot-water cylinder. It works by sensing the tempera-

ture of the water inside the cylinder, switching on the water

*Patent pending

1

Dual cylinder thermostats combine both the controller and the limit thermostats

into one common unit.

If you have a boiler control thermostat, it should always be set to a higher temper-

ature than that of the cylinder thermostat. In most boilers, a single boiler thermo-

stat controls the temperature of water sent to both the cylinder and radiators,

although in some there are two separate boiler thermostats.

2

Introducon to the ESCTDE (Electronic Dual Cylinder Thermostat)

The ESi Controls Electronic Dual Cylinder Thermostat* is a revoluonary new

energy saving product, developed exclusively by ESi Controls. It is a direct** and

economical replacement for tradional mechanical dual cylinder thermostats.

With real safety and energy saving beneﬁts and providing accurate temperature

control, it also features a clear and informave LCD display.

The hot water can be stored at any desired temperature between 25oC and 65oC,

with the conﬁdence that the weekly automac one hour “boost” to above 60oC

kills any legionella bacteria, resulng in substanal energy saving.

The LCD display shows the current water temperature and the user deﬁned water

temperature, while the red LED indicates that the unit is calling for heat. The

sensive electronic sensors operate at a far greater accuracy than convenonal oil

ﬁlled mechanical dual thermostats, and do not need physical contact unlike

tradional dual thermostats.

The large dial makes it easy to set the required controller temperature (between

25oC and 65oC). While the second (limit) safety thermostat is pre-set to 80oC with

a concealed manual reset, to comply with building regulaons.

*Patent Pending ** Refer to installaon and wiring instrucons.

3

4

Fig.1

Holiday

Switch

Holiday Switch

This is the black buon located under the display (Fig.1, page 4). Press and hold

the holiday switch for a minimum of 10 seconds unl you hear an audible click, and

this switches the ESCTDE oﬀ completely so there is no water heang and no

weekly “boost” heang. When in Holiday mode, the display is oﬀ. This feature

should only be used when the property is vacant for extended periods and there is

no requirement for water heang or for the weekly “boost”. Pressing and holding

the holiday switch again (for a minimum of 10 seconds unl you hear an audible

click) will restart the ESCTDE, the display will show the cylinder temperature and

the weekly “boost” will immediately start, and recur every 7 days at the same

me.

Installaon

Instrucons

5

Power Supply

Switch Acon

Temperature Seng Range

Automated “Boost”

Limit Thermostat

Tolerance

Switching Diﬀerenal

Dimensions

Complies with

230 VAC 50-60Hz

230 VAC 50-60Hz

230 VAC 50-60Hz

230 VAC 50-60Hz

230 VAC 50-60Hz

Switch Acon

Switching Diﬀerenal

Dimensions

Complies with

Technical Data

230 VAC 50-60Hz

25oC to 65oC

Electronic Dual Thermostat

SPDT (control), SPST (limit)

Once per week, >60oC for one hour

Power Supply

Automated “Boost”

Limit Thermostat

Tolerance

L: 108mm x H: 90mm x D: 54mm

2oC

<1oC

80oC with concealed manual reset

EMC (89/336 & 92/32 EEC) BS EN 60730-1:

2000, BS EN 60730-2-9: 2002. LVD (73/23/

EEC) (93/68/EEC) BS EN 60730-1:2000, BS

EN 60730-2-9:2002