Calorex C-PAC+ 6-8-12-15-20 Swimming Pool Heat Pump Guida d'installazione

C-PAC+ swimming pool heat pumps

CPT 6, 8, 12, 15, 20

Owner Installation Manual 1006905 Issue 3

21006905 ISSUE 3

OWNER/INSTALLATION MANUAL

HEALTH AND SAFETY WARNING

This product contains electrical and rotational

equipment. ONLY competent trained people

should work on is device, and must be

isolated electrically before removing access

panels.

This appliance can be used by children from

8 years and above and persons wi reduced

physical, sensory or mental capabilities or

lack of experience and knowledge if ey

have been given supervision or instruction

concerning use of e appliance in a safe way

and understand e hazards involved. Children

should not play wi e appliance. Cleaning

and user maintenance shall not be made by

children wiout supervision.

HEALTH AND SAFETY WARNING

3

1006905 ISSUE 3

HEALTH AND SAFETY WARNING ��2

1�0 INTRODUCTION ��4

1�1 FOREWORD ��4

1�2 WARNINGS ��4

2�0 ABOUT YOUR HEAT PUMP ��8

2�1 TRANSPORTATION ��8

2�2 ACCESSORIES �� 8

2�3 FEATURES��9

2�4 OPERATING CONDITIONS AND RANGE ��9

3�0 INSTALLATION ��10

3�1 POSITIONING AND AIRFLOW ��10

3�2 REFRIGERANT TYPE AND INSTALLED

LOCATION ��13

3�3 POOL WATER CIRCUIT��14

3�4 PLUMBING ��15

3�5 INITIAL CHECKS ��15

3�6 ELECTROLYTIC CORROSION IN SWIMMING

POOLS��16

3�7 ELECTRIC WIRING AND SUPPLY ��16

3�8 CONNECTING THE HEAT PUMP TO THE

POWER SUPPLY ��17

3�9 POOL PUMP SYNCHRONISATION

TERMINALS P1 AND P2 ��18

3�10 REMOTE ON - OFF CONNECTION ��19

4�0 USING YOUR HEAT PUMP ��20

4�1 THE KEY PAD ��20

4�2 OPERATING INSTRUCTIONS ��21

5�0 TESTING ��22

5�1 HEAT PUMP MALFUNCTION ��22

5�2 PROTECTION CODES ��23

5�3 FAULT CODES ��23

6�0 MAINTENANCE ��24

7�0 TROUBLE SHOOTING COMMON FAULTS ��24

8�0 DATASHEET ��25

9�0 DIMENSIONS ��26

10�0 WINTERISATION PROCEDURE ��28

10�1 START UP PROCEDURE AFTER

WINTERISATION ��28

11�0 WARRANTY CONDITIONS ��29

12�0 DECLARATION OF CONFORMITY ��30

CONTENTS

41006905 ISSUE 3

OWNER/INSTALLATION MANUAL

Thank you for choosing is product, which is designed

for quiet and energy ecient operation. It is e ideal

way to heat your pool in an environmentally friendly

way.

This guide provides information needed to install and

operate e product eﬀectively. Please ensure you

read is manual and use e correct installation and

operating procedures.

This manual is intended for installers and users�

Read e entire manual before using e heat

pump� Awareness of e correct operating

procedure for e machine and any safety devices

is important, to avoid damage or injury�

The appliance can be used by children aged from 8

years and above and persons wi reduced, physical,

sensory or mental capabilities or lack of experience

and knowledge if ey have been given supervision

or instruction concerning use of e appliance in a safe

way and understand e hazards involved. Children

shall not play wi e appliance. Cleaning and user

maintenance shall not be made by children wiout

supervision.

1�2 WARNINGS

Important safety information is contained in is manual

and marked on e heat pump.

Please read and follow all safety advice�

The refrigerant used in is heat pump is R32*�

This refrigerant is environmentally friendly, but

safety instructions must be strictly adhered to�

* The refrigerant used in e CPT20 is R410a�

The WARNING sign denotes a hazard� It calls

attention to a procedure or practice, which if not

adhered to could result in injury� Warning if signs

and procedures must be complied wi�

If a refrigerant leak is suspected stop using e

heat pump and contact Danerm Group UK

service�

service�department@danerm�com

Take e following precautions in order to avoid

any danger:

REFRIGERANT SAFETY:

This heat pump contains R32 refrigerant� Work

on e refrigeration system, repair and disposal

must be carried out by appropriately qualiﬁed and

registered engineers�

Repair, service and disposal must be carried out in e

EU by F-Gas registered engineers.

Completely de-gas e refrigerant before any brazing

is performed. Brazing can only be carried out by

technicians trained to EU 517/2014.

Risk assessments must be carried out before

maintenance or repairs are started.

Appropriate safety measures and risk assessments

must be taken before work commences.

Do not attempt to work on e equipment by

yourself�

Consult e qualiﬁed engineer undertaking e work to

establish all requirements before work commences.

1�0 INTRODUCTION

1�1 FOREWORD

5

1006905 ISSUE 3

ACTIONS TO AVOID (OPERATION AND

HANDLING):

Be especially careful when handling e heat pump,

not to cause any damage at may result in leakage of

e cooling circuit.

Do not use means to accelerate e defrosting process

or to clean, oer an ose recommended by e

manufacturer.

Do not pierce or burn.

IN CASE OF FIRE:

Toxic fumes may occur in e event of ﬁre. You must

leave e room as quickly as possible in e event of

ﬁre.

LOCATION REQUIREMENTS:

The heat pump contains R32 refrigerant so e

following location requirements must be fulﬁlled:

The heat pump must be kept away from sources of ﬁre

or naked ﬂames.

The heat pump must be installed, operated and

stored where e ﬂoor area is larger an e minimum

requirement, see section 3.2.

The heat pump shall be stored in a room wiout

continuously operating ignition sources (for example:

open ﬂames, an operating gas appliance or an

operating electric heater).

Keep e ventilation openings clear of obstruction

during operation.

Do not use or store combustible gas or liquids near e

heat pump.

Check if ere are any local regulations, which

you must comply to, when installing or storing

e heat pump�

Be aware at refrigerants may not contain an

odour�

61006905 ISSUE 3

OWNER/INSTALLATION MANUAL

Installation must be carried out by competent people,

in accordance wi is manual.

INSTALLATION:

Read e instructions before installation, use and

maintenance.

If R32 gas leaks during e installation process, stop e

installation immediately and call e service centre.

If a repair is required, please contact e nearest aer-

sales service centre.

To avoid over heating or over cooling of pool water

check and set e temperature on e control panel.

The heating performance can be improved by

insulating e ﬂow and return pipework.

It is recommended at a cover is used on e

swimming pool to reduce heat losses.

AIRFLOW:

The heat pump must have access to adequate airﬂow.

See section 3.1.

Do not place obstructions at will block air ﬂow near

e inlet or outlet.

ELECTRICAL SAFETY:

Mains power isolator should be out of reach of children.

Aer a power cut, when e power supply is restored,

e heat pump may start up wiout warning.

Electric storms can damage electronic equipment.

Ideally e heat pump should be switched oﬀ at e

mains.

HEAT PUMP MALFUNCTION:

WARNING: Isolate heat pump electrically and wait

3 minutes before removing panels or entering heat

pump.

Refer to e user check list in section 6.2 and e error

codes listed in section 6.3 before initiating a service call.

Do not attempt to interfere wi any internal control

settings as ese have been factory calibrated and

sealed.

Any sign of abnormal operation such as water dripping

should be reported immediately to e installer. If

in doubt or if advice is required contact e Service

support team on telephone +44(0)1621 856611

(option 4).

MAINTENANCE:

Isolate e power supply of e heat pump and wait 3

minutes before cleaning examination or repair.

Please clean is machine wi household detergents

or clean water. NEVER use petroleum spirit, inners or

any similar fuel.

Check bolts, cables and connections regularly.

DISPOSAL:

Repair, service and disposal of redundant heat pumps

must be completed by auorised technicians. It is

illegal to allow refrigerant gases to escape to air.

Do not attempt to work on e equipment by yourself.

Improper operation may cause danger.

7

1006905 ISSUE 3

Do not use means to

accelerate e defrosting

process or to clean, oer an

ose recommended by e

manufacturer.

The appliance shall be stored

in a room wiout continuously

operating ignition sources

(for example: open ﬂames, an

operating gas appliance or an

operating electric heater.

Do not piece or burn.

Be aware at refrigerants

may not contain an odour.

Appliance shall be installed,

operated and stored in a

room wi a ﬂoor area larger

an Xm2, where X is e

“minimum area” shown in

section 3.2 and section 8.0.

The heat pump must be kept

away from sources of ﬁre or

naked ﬂames.

The heat pump must be

installed in well ventilated

area. Closed areas are not

permitted.

Repair and disposal must

be carried out by F-Gas

registered engineers.

Completely de-gas e

refrigerant before any brazing

is performed. Brazing can only

be carried out by technicians

trained to EU 517/2014.

81006905 ISSUE 3

OWNER/INSTALLATION MANUAL

2�1 TRANSPORTATION

Always keep e heat pump upright.

Do not li e heat pump by e water inlet or

outlet connections�

(If is is done e titanium heat exchanger inside e

heat pump could be damaged).

2�2 ACCESSORIES

These accessories are provided wi e heat pump.

2�0 ABOUT YOUR HEAT PUMP

xWATER

OUT

WATER

IN

Water union connectors

2 x 1½,

2 x 50mm

Drainage kit

Anti-vibration feet

9

1006905 ISSUE 3

2�3 FEATURES

• Quick hot gas defrosting wi 4-way valve.

• High-eciency full ﬂow titanium heat exchanger.

• High pressure and low pressure protection.

• So start and wide voltage application.

• Multi function operation. Can also be used for cool

pools.

2�4 OPERATING CONDITIONS AND RANGE

Air temperature operating range:

C-PAC+ (CPT models): -10-43°C

Water temperature setting range:

Heating: 18°C-40°C

Cooling: 8°C-28°C

10 1006905 ISSUE 3

OWNER/INSTALLATION MANUAL

The heat pump must be positioned in a well

ventilated area. Minimum distances between e heat

pump and any obstructions are shown below.

• The heat pump must be ﬁxed by M10 bolts to a

concrete base or mounting brackets. These must be

solid and ﬁxed securely. Brackets must be corrosion

proof.

• Do not block inlet or outlet grilles.

• Use e anti-vibration feet provided. These help to

reduce e noise from e heat pump.

The heat pump absorbs energy from e air drawn

rough it. To function eﬀectively e heat pump must

have access to e fresh air it needs.

• Air must not recirculate. The air leaving e heat

pump must not be sucked back into e inlet.

• Air must not be restricted. The air volume must not

be reduced.

• The minimum required distances shown below

must be provided to minimise e risk of air

recirculation or restriction and reduction in

performance. Furer examples are shown on e

following page.

Important installation instruction

700mm

500 mm

2500 mm

700mm

3�0 INSTALLATION

Installation must only be attempted by competent

personnel

3�1 POSITIONING AND AIRFLOW

Airﬂow - general principles

11

1006905 ISSUE 3

> 50 cm

Plant room

Calorex*

Wall

Calorex

Possible positions of a Calorex heat pump

Wall

Suitable opening

Calorex*

>70 cm

Calorex

>70 cm

>250 cm

Calorex

The red lines represent e air inlet area

Required free areas to provide air ﬂow to and from heat

pumps when installed in an enclosed area or where

required to pass air rough a wall etc. Ensure e heat

pump is sealed against e wall so e outlet air cannot

recirculate. Ensure e hole rough e wall is sealed

to avoid e outlet air entering cavities and is smoo

so e outlet air is not restricted.

Free area is e available area rough which air can

pass rough a grille or louvres.

Minimum free areas m2

Model Inlet area Discharge area

CPT 6 0.313 0.13

CPT 8 0.313 0.13

CPT 12 0.422 0.17

CPT 15 0.422 0.17

CPT 20 0.515 0.20

12 1006905 ISSUE 3

OWNER/INSTALLATION MANUAL

>350 cm

Swimming pool or spa

To comply wi safety regulations regarding electrical

installations in wet areas e heat pump must be

installed at least 350cm away from e edge of e

pool or spa.

13

1006905 ISSUE 3

Model CPT6ALY CPT8ALY CPT12ALY CPT15ALY

Refrigerant

charge

R32 kg 0.9 1.0 1.5 1.5

Minimum area m² 6.9 8.5 19.1 19.1

Notes *Assumed worst case for access category: a - general access and location class: I - mechanical equipment

in occupied space; bo as deﬁned in line wi EN378-1 2016 section 5.1 table 4 and section 5.3.

*Min Area is calculated in line wi section C.2 on EN378-1 2016 (calculation C.2)

3�2 REFRIGERANT TYPE AND INSTALLED

LOCATION

This heat pumps CPT6, CPT8, CPT12 and CPT15

contain R32, which is an environmentally friendly

refrigerant wi a GWP (Global Warming Potential) of

675. R32 has e safety in use classiﬁcation of A2L,

being low toxicity and lower ﬂammability. In practical

terms it is very dicult to ignite an A2L refrigerant,

but is classiﬁcation requires a risk assessment to

be undertaken for e possibility of refrigerant being

released by accident into an area connected to e

heat pump, considering e application, location of

components, and e installed refrigerant charge. This

installation guidance can form e framework for such a

risk assessment for e installation.

All ﬂammable refrigerants will not ignite if e

concentration level in a room stays below eir lower

ﬂammability limit (LFL). European standard EN378

deﬁnes requirements to remain far below e lower

ﬂammable limit in case of accidental leakage. By

choosing e location as dictated by EN378-1:2016

e probability of forming a ﬂammable atmosphere

can be eliminated. Please refer to e minimum

area for each product and e interpretation below

regarding locations of heat pump and swimming pool.

This information is provided as a guide only and does

not supersede e regulations or heal and safety

requirements

INTERPRETATION

Please refer to e installation situations below for how

to apply e minimum area stated above.

Pool outside and heat pump outside:

Automatically meets e minimum area requirement

because outside space is unlimited.

Pool outside and heat pump inside a plant room:

Automatically meets e minimum area requirement

because e room must open to e outside for heat

pump airﬂow and e outside space is unlimited.

Pool inside and heat pump outside:

The pool hall must exceed e minimum area

requirement shown above.

Pool inside and heat pump inside a plant room,

isolated from e pool hall:

The pool hall must exceed e minimum area

requirement shown above.

Pool inside and heat pump inside a plant room,

ventilated to e pool hall:

The pool hall and plant room combined must exceed

e minimum area requirement shown above.

14 1006905 ISSUE 3

OWNER/INSTALLATION MANUAL

3�3 POOL WATER CIRCUIT

Anti return loop

to be incorporated,

minimum height

100mm above

heat pump

outlet port

(If sanitiser ﬁtted)

Non return

valve

Sanitiser or

chemical dosing

device,

(If ﬁtted)

Aux heater

(If ﬁtted)

Filter Pump

To waste

for

winterising

drain down

100mm

Condensate

water to

waste

Spare port

for winterising

ﬂushing

connection

To waste

Calorex

Heat pump

Pool

Bypass

valve

(adjusted to

achieve

recommended

ﬂow)

KEY

Isolation valve

Breakable coupling

Three way valve

15

1006905 ISSUE 3

3�4 PLUMBING

Note: Fittings shown at larger scale for clarity.

Hose Condensate adaptor

Fit in hole in base of unit.

Approximate position shown.

Water

out

Water

in

x



IMPORTANT

Before installing e heat pump ensure e

blanking disks are removed from e pool water

in/out connections� These should drop out when

e adaptors are unscrewed�

1. Ensure at bypass is installed and set to achieve

e recommended ﬂow rates stated in e data

sheet.

2. Ensure at e condensate drain kit supplied is

ﬁxed and is drained to a drain or soak-away.

(It is best to do is ﬁrst before e heat pump

is ﬁxed to pipework or e ground)�

3. Inlet and outlet pipework must be supported to

avoid excessive strain on e connections.

4. Water quality must be maintained. See warranty

conditions. 3�5 INITIAL CHECKS

Start e ﬁltration pump before e heat pump is

turned on and turn oﬀ e heat pump before e

ﬁltration pump. It is recommended to turn oﬀ e heat

pump prior to backwashing.

Before starting e heat pump, please check for

any leakage of water; and check/set e required

temperature on e controller, and en turn on.

In order to protect e components, e heat pump

incorporates time delays. When starting heating/cooling

e fan will run for 3 minutes before e compressor

starts. When e heat pump stops heating/cooling

e fan will continue to run for one minute. If e

heat pump is turned oﬀ by e user, e fan will stop

immediately.

Aer starting up, check for any error codes or abnormal

noise from e heat pump.

16 1006905 ISSUE 3

OWNER/INSTALLATION MANUAL

Electrolytic corrosion will occur when dissimilar metals

at are in contact wi each oer create a potential

diﬀerence between emselves. Sometimes separated

by a conductive substance known as an electrolyte, e

dissimilar metals will create a small voltage (potential

diﬀerence) at allows e ions of one material to pass

to e oer.

Just like a battery, ions will pass from e most positive

material to e more negative material.

Anying more an 0.3 volts can cause e most

positive material to degrade.

A swimming pool wi its associated equipment

can create is eﬀect. The pool water being an ideal

electrolyte and components of e ﬁltration circuit,

heating system, steps, lights etc. providing e

dissimilar metals needed to complete e circuit.

Whilst ese small voltages are rarely a safety reat,

ey can create premature failure rough corrosion.

Not dissimilar to corrosion rough oxidation, electrolytic

corrosion can cause complete failure of a metallic

material in a very short period of time.

In order to prevent is type of corrosion all metallic

components in contact wi swimming pool water

should be bonded togeer using 10mm² bonding

cable. This includes non-electrical items such as metal

ﬁlters, pump strainer boxes, heat exchangers, steps

and handrails. It is highly recommended at bonding

be retroﬁtted to existing pools, which may not be

protected by is system.

All electrical work to be carried out in accordance wi

l.E.E. regulations, latest issue, or local codes of practice

as applicable.

The machine should be installed in accordance wi

EMC2004/108/EC.

Always isolate e main power supply before removing

machine covers.

The machine power supply must incorporate e

following. Fuses or motor type circuit breakers (aM Fuse

/ MCB type C) to speciﬁed rating (see data sheet).

When using a fuse, H.R.C. fuses are recommended. An

isolator which disconnects all poles must be must ﬁtted

wiin 2m and in line of sight of e heat pump. The

isolator must have a minimum of 3mm air gap when

turned oﬀ.

All units must be correctly eared/grounded and its

own separate type RCD ear leakage trip installed

which protects e machine only.

The following limits of operation must not be exceeded.

Failure to provide e necessary voltages will invalidate

e warranty. This voltage must be available at e heat

pump whilst running. The voltage must not drop below

e above ﬁgures when starting e compressor.

Minimum Maximum

Voltage

Single phase machines 207V 253V

Three-phase machines 360V 440V

Cycle frequency (50Hz) 47.5Hz 52.5Hz

3�6 ELECTROLYTIC CORROSION IN SWIMMING

POOLS

3�7 ELECTRIC WIRING AND SUPPLY

17

1006905 ISSUE 3

3�8 CONNECTING THE HEAT PUMP TO THE POWER

SUPPLY

Cable Entry point

Undo e screws

The terminals for connecting

e heat pump to e power supply

are behind is panel.

L N

Fuse/MCB

Eared Power

Supply 230V 50Hz

Supply

cord

Distribution box

L N

RCD/

Circuit

Breaker

P1 P2

Power

terminals

Pump

terminals

Cable clamp

Single phase

Terminals in Heat Pump Electrics enclosure

Isolator which

disconnects all poles

ﬁtted wiin 2m and in line

of sight of e heat pump

Secure cables

using cable clamps

and feed rough

cable entry points in

machine

Isolator which

disconnects all poles

ﬁtted wiin 2m and in line

of sight of e heat pump

L3

N

Fuses/MCB

Eared Power

Supply 400V 50Hz

L3 N P1 P2

Power

terminals

Pump

terminals

L2

L1

L2

L1

Three phase

Terminals in Heat Pump Electrics enclosure

Cable clamp

Supply

cord

RCD/

Circuit

Breaker

Distribution box

Secure cables

using cable

clamps and feed

rough cable

entry points in

machine

Remove ese

two screws

Li lower

panel away

1

Remove ese

four screws and

remove cover

Two cable

entry points

2

18 1006905 ISSUE 3

OWNER/INSTALLATION MANUAL

For installations where e pool ﬁlter pump runs

continuously, ese terminals do not need to be used.

For installations where a timeclock controls e pool

ﬁlter pump, and e same pump provides water ﬂow

to e heat pump, e heat pump can override “pump

oﬀ” periods to ensure e pool is heated/cooled. To

activate is setting please speak to your installer.

When installed in parallel wi e timeclock, e pool

ﬁlter pump will run when:

a) a period of “pump on” has been set on e time

clock for ﬁltration purposes.

b) a period of “pump oﬀ” has been set on e time

clock and e heat pump runs e pool ﬁlter pump for

temperature sampling and if e pool subsequently

requires heating/cooling.

This feature operates by over-riding e timeclock

“pump oﬀ” for 5 minutes to circulate e pool

water rough e heat pump to sample e water

temperature. The default sampling time interval is 2

hours. If e pool does not need heating/cooling e

ﬁlter pump will be turned oﬀ aer 5 minutes until e

next sampling period, or e next timeclock “pump

on” period. If e pool needs heating/cooling e heat

pump will continue to run e ﬁlter pump and heat/

cool e pool.

If e pool pump is already running, and e heat pump

is not heating/cooling, e heat pump will sample

e water temperature once per hour and will start

heating/cooling if needed. The heat pump will ignore

a demand to heat/cool e pool until e sampling

timer (default 1 hour) has elapsed*.

This feature will reduce e pool ﬁlter pump run time to

minimise pump energy usage.

*If e pool ﬁlter pump is later changed to run

continuously, it is recommended to de-activate is

setting so e heat pump will respond to a heating/

cooling demand wiout waiting for e sampling time

interval to elapse. To deactivate is setting please

speak to your installer.

L

Terminals in

heat pump

Customer’s external pump/

ﬁlter time clock

Relay

230V coil

P1

P2

N

Pool pump

starter

L

N

Single phase

water pump

L N

Separate supply

E

Fuse

3�9 POOL PUMP SYNCHRONISATION

TERMINALS P1 AND P2

19

1006905 ISSUE 3

3�10 REMOTE ON - OFF CONNECTION

For installation where e heat pump is to be turned

on/oﬀ remotely.

There is a pair of terminals available for connecting

a switch, which are marked Remote on/oﬀ and are

situated below e mains in terminals.

The heat pump is supplied wi a link wire in e

remote terminals, for use wiout a switch. When ﬁtting

a remote switch, remove e link wire.

Cable Entry point

P1 P2NL

Undo e screws

Remote

On/Oﬀ

Terminals for connecting

Remote On/Oﬀ are below

e mains in terminals

Switch controlling

CPT

20 1006905 ISSUE 3

OWNER/INSTALLATION MANUAL

Heat Pump

‘ON’/’OFF’ button

Mode button

Increase button

Current time

M  SET

SET IN ROOM OUT

1

2

ON

OFF

Timer

Setting button

Decrease button

Defrost mode

Cooling mode

Auto mode

Fan running

Heating mode

88 88

88:88

Current water inlet

temperature.(SET IN)

Ambient temperature.

(ROOM OUT)

*Error codes show here

Timer function

enabled

Timer function

disabled

Fault indicator

Number of timers set

1 bar = 1 timer

2 bars = 2 timers

3 bars = 3 timers

Attention:

a. The heat pump will only run when it has been

connected to e water supply.

4�1 THE KEY PAD

4�0 USING YOUR HEAT PUMP

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