Center EHE0200158 Manuel utilisateur

42007193-003 R1

Installation Guide

for EHE0200158 Frost Thermostat

Frost Thermostat Application

Fixing holes spaced

to suit BS4662

Screws supplied

Use wall box ﬁxing holes

or alternatives shown

Screws supplied

3. Wiring options

2. Mount the backplate to wall

1. Remove the cover from the backplate

a. Wall box mounting b. Surface mounting

CAUTION:

Disconnect

system power supply

before removing cover.

a. Wall box wiring b. Surface wiring

The Frost Thermostat can be installed to protect either the whole

central heating system, or the boiler and localised pipework.

If the Frost Thermostat is installed to protect the central heating

system it must be sited within the dwelling in a place where a

rise and fall in ambient air temperature can be detected i.e. in a

room with a radiator. The wiring for this is shown in the wiring

diagram overleaf.

The Frost Thermostat must be wired to override all other time

and temperature control and preferably to switch on the

heating circuit, rather than the hot water circuit.

When a Frost Thermostat is installed on a central heating

system, the Connection Unit should only be switched off for

servicing or maintenance. If the system is to be switched off

for any other reason e.g. holiday, then switching MUST only be

carried out at the programmer or time clock.

Whilst every care has been taken to ensure that the information included in this document

was accurate at the time of printing, we reserve the right to change speciﬁcations at any time.

The photographs reproduced in this publication are within the constraints of the printing

process and are NOT to be used for matching purposes. E&OE.

For further information telephone 0870 8506538

Ref:4277

8mm

max

4. Connect the wiring correctly 5. Frost protection setting

6. Attach the cover to the backplate

IMPORTANT! No user serviceable parts.

Do not dispose of in a ﬁre.

5°C recommended (depending

on system & location)

EHE0200158

230V~

50..60Hz

2 3

To Heating Load

7. Wiring diagram

All wiring must be in accordance with I.E.E. Regulations.

This thermostat is for ﬁxed wiring only.

A Class ‘A’ switch (having contact separation of at least 3mm

in all poles) must be connected in the ﬁxed wiring of the

system as a means of disconnecting the mains supply.

This thermostat is a Class II (double insulated) device. An

earth terminal is provided for external earth wiring continuity.

The heating system must be appropriately fused.

The thermostat has 4 knockouts on the cover for surface

wiring installations. Care must be taken to use the knockouts

so that the cable completely ﬁlls the knockout hole without

leaving any gaps. Where used, mini-trunking must be ﬁtted

ﬁrmly against the thermostat cover in such a way as to leave

no gaps.

EHE0200158 current rating: 10A resistive, 3A inductive.

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