Calorex IPT 8 Series Quick start guide

I-PAC / I-PAC+ inverter heat pumps
IPT 8, 12, 16, 22, 28
Owner Installation Manual 1005494 Issue 3

21005494 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
1005494 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 OPTIONAL ACCESSORIES�����������������������������9
2�4 FEATURES������������������������������������������������������10
2�5 OPERATING CONDITIONS AND RANGE ���10
2�6 OPERATING MODES ������������������������������������10
3�0 INSTALLATION ��������������������������������������������������11
3�1 POSITIONING AND AIRFLOW���������������������11
3�2 REFRIGERANT TYPE AND INSTALLED
LOCATION�������������������������������������������������������������14
3�3 POOL WATER CIRCUIT���������������������������������15
3�4 PLUMBING�����������������������������������������������������16
3�5 INITIAL CHECKS �������������������������������������������16
3�6 ELECTROLYTIC CORROSION IN SWIMMING
POOLS�������������������������������������������������������������������17
3�7 ELECTRIC WIRING AND SUPPLY ���������������17
3�8 CONNECTING THE HEAT PUMP TO THE
POWER SUPPLY ��������������������������������������������������18
3�9 POOL PUMP SYNCHRONISATION
TERMINALS P1 AND P2�������������������������������������19
3�10 INSTALLING THE OPTIONAL REMOTE
CONTROLLER ������������������������������������������������������20
4�0 USING YOUR HEAT PUMP�������������������������������22
4�1 THE KEY PAD ������������������������������������������������22
4�2 OPERATING INSTRUCTIONS�����������������������23
4�3 USING THE APP��������������������������������������������24
4�4 USING THE OPTIONAL REMOTE
CONTROLLER ������������������������������������������������������30
4�5 THE KEY PAD ������������������������������������������������30
4�6 OPERATING INSTRUCTIONS�����������������������31
5�0 TESTING �������������������������������������������������������������32
5�1 HEAT PUMP MALFUNCTION ����������������������32
5�2 PROTECTION CODES ����������������������������������33
5�3 FAULT CODES������������������������������������������������34
6�0 MAINTENANCE �������������������������������������������������35
7�0 TROUBLE SHOOTING COMMON FAULTS �����35
8�0 DATASHEETS �����������������������������������������������������36
9�0 DIMENSIONS �����������������������������������������������������39
9�1 DIMENSIONS�������������������������������������������������40
10�0 WINTERISATION PROCEDURE ���������������������41
10�1 START UP PROCEDURE AFTER
WINTERISATION ������������������������������������������������������41
11�0 WARRANTY CONDITIONS�����������������������������42
12�0 DECLARATION OF CONFORMITY����������������43
CONTENTS

41005494 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 WARNING sign denotes a hazard� It calls
attention to a procedure or practice, which if not
adhered to could result in injury� Warning 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�1 FOREWORD
1�0 INTRODUCTION

5
1005494 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 the floor area is larger than the 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�

61005494 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 [phone]
(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
1005494 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.

81005494 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.
Water union connectors
2 x 1½,
2 x 50mm
Drainage kit
x
2�0 ABOUT YOUR HEAT PUMP

9
1005494 ISSUE 3
2�3 OPTIONAL ACCESSORIES
The following items are additional accessories available
for purchase.
Rubber mounting kit.
(Pack of 4 mounts).
Remote controller kit for indoor installation.
(10m extension cable).
Winter cover.

10 1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
2�4 FEATURES
• Stepless DC inverter compressor
• EEV Technology (Electronic Equalisation Valve)
• Quick reverse cycle defrosting wi 4-way valve
• High-eciency twisted titanium heat exchanger
• High pressure and low pressure protection
• So start and wide voltage application
• Stable inverter control system
2�5 OPERATING CONDITIONS AND RANGE
Air temperature operating range:
I-PAC (IPT X models): -5-43°C
I-PAC+ (IPT Y models): -10-43°C
Water temperature setting range:
Heating: 18°C-40°C
Cooling: 12°C-30°C
2�6 OPERATING MODES
The heat pump has two modes: Boost mode and
Whisper mode.
Mode Modes Characteristics
Boost mode
Heating capacity: 20% to 100% capacity
Intelligent optimization
Fastest heating
Whisper mode
Heating capacity: 20% to 80% capacity
Sound level: 3dB(A) lower an Boost mode

11
1005494 ISSUE 3
3�0 INSTALLATION
Installation must only be attempted by competent
personnel.
3�1 POSITIONING AND AIRFLOW
Important installation instruction
700mm
500 mm
2500 mm
700mm
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.
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.
Airflow - general principles

12 1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
> 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
* Controls are obscured by e wall� Connect to
optional remote control panel or Wi-Fi before
installing e heat pump in position�
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 Discharge area
IPT 8 0.169
IPT 12 0.169
IPT 16ALX 0.169
IPT 16ALY 0.229
IPT 22 0.301
IPT 28 0.301

13
1005494 ISSUE 3
>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.

14 1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
Model IPT8ALX IPT12ALX IPT16ALX IPT22ALX IPT12ALY IPT16ALY IPT22A/BLY IPT28ALY
Refrigerant
charge
R32 kg 0.6 0.9 1.1 2 0.9 1.2 2 2.7
Minimum
area
m² 3.1 6.9 10.3 34.0 6.9 12.3 34.0 62.0
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
*Minimum 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 pump contains 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.

15
1005494 ISSUE 3
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

16 1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
3�4 PLUMBING
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 one minute before e compressor
starts. When e heat pump stops heating/cooling, or
is turned off by e user, e fan will continue to run for
one minute.
Aer starting up, check for any error codes or abnormal
noise from e heat pump.
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

17
1005494 ISSUE 3
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 datasheet).
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. See data sheet for
e correct type.
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

18 1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
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
3�8 CONNECTING THE HEAT PUMP TO THE POWER
SUPPLY

19
1005494 ISSUE 3
L
Terminals in
heat pump
(volt free)
Customer’s external pump/
filter time clock
P1
P2
N
Pool pump
starter
L
N
Single phase
water pump
L N
Separate supply
E
Fuse
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 block period of “pump on” has been set on e
time clock for filtration purposes.
b) 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
for 3 minutes to circulate e pool water rough
e heat pump to sample e water temperature.
The default sampling time interval is 1 hour. If e
measured temperature is more an 1°C from e set
temperature, e point heat pump will continue to run
e filter pump and heat/cool e pool. If e measured
temperature is wiin 1°C of e set temperature,
e filter pump will turned off until e next sampling
period, or e next timeclock “pump on” period.
When 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.
3�9 POOL PUMP SYNCHRONISATION
TERMINALS P1 AND P2

20 1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
3�10 INSTALLING THE OPTIONAL REMOTE CONTROLLER
This optional accessory replaces e integral controller
and can be installed up to10m away.
Take e lid off e I-PAC to gain access to e existing
controller. Remove e front cover. Disconnect e plug
from e socket on e back of e controller as shown.
Remove e bulkhead connector from e position
shown and replace it wi a rubber grommet.
This hole.
Feed e 10m cable rough e grommet. Route e cable inside e I-PAC securing it where
necessary.