Powrmatic Calecon CEC1250, Calecon CEC2250, Calecon CEC3750, Calecon CEC6500 User, Installation And Servicing Instructions

Calecon Range

Users, Installation and Servicing

Instructions

WARNING: THIS APPLIANCE MUST BE EARTHED

CE

£4.00 When supplied separately.

Calecon Range Users, Installation & Servicing Instructions Issue 8.1 February 2010

Dear Customer

This is to certify that this appliance is guaranteed for one year (parts only) from
the date of original commissioning.

To make a claim

In the first instance you must contact your appliance supplier, or installer and
provide:-

1. The Calecon type and serial number.

2. The original commissioning documentation.

3. As much detail as possible on the fault.
Your supplier, or installer will then contact Powrmatic to make a guarantee claim
on your behalf.

Conditions of Guarantee

1. The appliance must have been installed by a competent recognised installer,
and in accordance with the manufacturers instructions, building regulations
and local regulations.

2. The appliance has been professionally commissioned.

3. The appliance has been maintained on a yearly basis by a competent

servicing company.

4. The appliance has been used in accordance with the manufacturers

instructions.

5. No unauthorised repairs or modifications have been made.

6. Powrmatic ‘General Conditions of Sale’ have been observed.

7. Except for the obligation of Powrmatic Ltd to perform warranty repairs during
the guarantee period, Powrmatic will not be liable in respect of any claim for
direct or indirect consequential losses, including loss of profits or increased
costs arising from loss of use of the appliance, or any event arising there from.

Important: This certificate must

be kept with the appliance

Certificate of Guarantee

Powrmatic Ltd, Hort Bridge, Ilminster, Somerset, TA19 9PS

tel: [phone] fax: [phone]

email: [e-mail] web: www.powrmatic.co.uk

The Calecon units you have installed are operated automatically,
by an inbuilt thermostat, to turn on when the air temperature at
high level exceeds the thermostat setting. The Calecon units
then recirculate this warm air to ground level and minimise the
temperature gradiant between low and high level. The units turn
off automatically when the air temperature at high level falls
below the setting on the thermostat.
In some installations a low level master control may be installed
to provide User control of the units.

1. Maintenance

Regular servicing is essential to maintain efficient, reliable and
safe operation of the units. Users are strongly recommended to
have the Calecons serviced by a qualified person at least annually
and preferably at the end of the heating season.

2. IMPORTANT

Free access must be maintained to the Calecon units for servicing
purposes.

All Calecon units use electricity to power them and contain
moving parts, the fan. It would be hazardous to tamper with or
attempt to service unless you are a competent person in the field
of Electrical work.
If you have any safety questions reference the servicing and
installation of this equipment please do not hesitate to contact
our head office for expert advice.
Your safety is paramount to us.

CONTENTS

Section Title Page

1.

Introduction 1

2. Technical Data 1

3. General Requirements 1

4. Installation 1

5. Commissioning 1

6. Servicing 2

7. Replacement of failed components 2

8. Wiring Diagrams 2

Users Instructions

Installation & Servicing Instructions

3. General Requirements

3.1. Location

Calecon units will be effective in any high roofed building where
temperature stratification will otherwise occur.

3.2. Electricity Supply

Wiring external to the unit must be installed in accordance with
the l.E.E. Regulations and any local regulations which apply.
Calecon units are supplied for 230V~ or 400V 3~N. The fan
motor starting amps are approximately 3
times the full load current.

4. Installation of Units

4.1. General

Units should be installed at the highest available locations and
in positions where the downward directed airflow will not be
impeded by racking or other obstructions. Ensure that units are
not mounted so as to obstruct the movement of overhead cranes,
forklift trucks etc.
Where multiple units are being used their positioning should
ensure as even airflow pattern in the building as practicable.

4.2. Speed Control Units

Manual, or temperature controlled, speed regulators may be
used in conjunction with Calecon units to provide greater system
flexibility. If the speed regulators are not of Powrmatic supply
it must be established that they are compatible with the Calecon
units . Refer to the instructions with the speed controllers for
wiring details.

2. Technical Data

Dimensions & Weights

Model

A B Weight
mm mm kg
CEC1250 500 16.5
CEC2250 600

360

21.0
CEC3750 655 24.5
CEC6500 805 35.0

A

A

B

Model

Maximum Throw for various Temperature Differentials

Airflow

Fan Motor

Weight

5°C 10°C 15°C 20°C Power 1ph 3ph
m cfm m³/s w A kg
CEC1250 9 7 5.5 5 1250 .590 110 0.6 0.3 16.5
CEC2250 12 8 7 6 2250 1.062 290 1.6 0.5 21.0
CEC3750 18 12 9 8 3750 1.770 420 2.4 1.3 24.5
CEC6500 24 15 13 10 6500 3.067 370 2.7 1.3 35.0

Specifications

1. Introduction

Calecon thermal economiser units will automatically recirculate the high level hot air in high roofed buildings drastically reducing
stratification and heat losses.
Mounted externally on the unit is the air temperature sensing thermostat. Units are fully pre-wired, fully tested and fitted with four
eyebolt suspension points.

4.3. Fitting

The unit may be installed either:
a) suspended by suitable drop rods, chains or straps or,
b) on specifically designed brackets.
Whatever method of installation is used it must be capable of
adequately supporting the weight of the unit (See Section 2).
Before installing the unit any existing trusses, walls, brackets
etc., must be inspected to ensure they are suitable. All supports
should be protected against the effects of rust or corrosion.
When the heater is suspended it is essential that the electrical
connection is made with a flexible connection.

4.4. Electrical Connections

All units are fully pre-wired and only require final
connections for the incoming mains supply.
The electrical supply must be run to a point adjacent to the unit
and be suitably terminated to provide an isolation point that will
prevent activation of the unit during servicing. Refer to the
Specifications data above to ascertain the electrical loading of
the unit(s) being installed so that cables of adequate
cross-sectional area to safely carry that load are used for the
electrical installation.
The length of the conductors between the cord anchorage and
the terminals must be such that the current carrying conductors
become taut before the earth conductor if the cable or cord slips
out of the cord anchorage. Any external controls that are used
in conjuction with the units must be of an approved type.

1. Remove the two screws securing the electrical panel to the
casing and hinge down panel.

2. Pass the incoming supply cable through the cable gland on
the top of the unit.

1

8. Wiring Diagrams

3.Connect the live and neutral wires to the terminal block. The
incoming earth wire should be fitted with a ring type crimp
terminal and clam ped onto the earth stud using the spare nut
and washer provided.

4. Tighten the cable gland and secure the electrical panel back
to the casing.

5. Commissioning

5.1. Electrical Installation

Checks to ensure electrical safety must be carried out by a
qualified person.

5.2. Unit Operation

Caution: When the electrical supply is turned on the unit may
start immediately depending on the ambient temperature.

1. Turn the thermostat on the side of the unit to its lowest setting

2. Turn on the electrical supply and the fan should run.

3. In the case of 3ph units check that the fan direction is correct.
If it is not proceed as follows:­a) Switch of and isolate the electrical supply.
b) Remove the two screws securing the electrical panel and
hinge panel down. Interchange any two of the incoming live
wires. Replace electrical access panel and repeat from step 2
above.

4. Adjust the outlet louvres to give the required air pattern and
floor level air velocity viz. Louvres at 45° will give a wide
spread pattern and lower floor level air velocities, louvres at
90° will give a narrow throw pattern and and higher floor level
air velocities.

5. Set the thermostat to the required value, normally 2° above
the design temperature of the building where speed regulators
are not being used. If speed regulators are installed set the
thermostat 2° - 3°C below the building design temperature to
act as a low temperature cut-off. When temperature controlled
speed regulators are fitted set the thermostat to the building
design temperature.

6. Servicing

Warning: Before undertaking any servicing turn off and isolate
the electrical supply. Use a safe means of access.

Units should be serviced at least annually.
Motors are sealed for life and do not require servicing.

1. Remove the two screws securing the electrical panel to the
casing and hinge down panel.

2. Disconnect the incoming electrical connections and the earth
lead. Release the locking nut of the cable gland on the top of
the unit and withdraw the incoming supply cable.

3.Release the unit from its suspension points and lower to a safe
working area.

4. Remove the four eyebolts securing the fan to the casing and
lift out fan.

5. Clean off any build up of dust.

6. Ensure that the ventilation slots of the thermostat are clear.

7. Reassemble unit in reverse order and reinstall.

7. Replacement of Failed Components

Warning: Before undertaking any component replacement turn
off and isolate the electrical supply.

7.1. Fan

1. Complete steps 6.1 to 6.4

1ph Calecon CE1250 -6500 - S&P FANS

3ph Calecon CE1250 -6500 - S&P FANS

1234561314A1

A2

MAINS SUPPLY
415V 3ph 50 Hz

GR/YELLOW

LIVE 2
LIVE 3
NEUTRAL
EARTH

LIVE 1

1

2

CEWAL THERMOSTAT

3

U V W

N

2

2. Remove terminal box cover from motor and
disconnect motor wiring.

3. Check that replacement fan is of the correct type. Reassemble
unit in reverse order and reinstall.

7.2.Thermostat

1. Pull off the thermostat cover, whilst pushing in the side
retaining tabs with a small screwdriver, and disconnect electrical
connections.

2. Remove the two screws securing the thermostat to the
electrical panel.

3.Reassemble in reverse order.

TP
TP
U1
U2
Z1
Z2

E

CAPACITOR

White

Brown

21

CEWAL RQ10
THERMOSTAT

231

NL

Gr/Yellow

Blue

Brown

MAINS SUPPLY
230V 1ph 50 Hz

EARTH

NEUTRAL

LIVE

Every effort is made to ensure accuracy at time of going to press. However as part of our policy of continual product improvement, we reserve the right to alter specifications without prior notice.

HEATING DIVISION

Hort Bridge

Ilminster, Somerset TA19 9PS

Tel: [phone] Fax: [phone]

BSI Registered Firm

FM 414

Ind. & Comm. Air Heaters;

Air Moving Equipment;
Flues & Chimneys; Natural
Smoke & Heat Ventilators;
Powered Supply & Extract

Fans & Systems.

ISO 9001