Trianco Activair Setup guide
1
High Temperature
Air Source Heat Pump
Installation Operation and Service Manual
PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLING
AND OPERATING THIS APPLIANCE
TO BE RETAINED BY HOUSEHOLDER
2
Page Contents
3 Introduction
4/5 Safety Precautions
6 After Sales Service Information
7/8 Choosing the Correct Size Unit
8/9 Dimensions
10 Clearances and Siting
11/12 Typical Installation Examples
13 Expansion Vessel Capacity
14 System Components
14 Warm Link Application
15/16 Electrical
17 Commissioning
18 Internal Wiring Diagram
19 - 25 User Interface
26 Maintenance
27 Fault Diagnosis
28 - 31 Error Codes
32 Technical Details
3
INTRODUCTION
This manual includes the necessary information about the unit. Please read this manual carefully before you install,
operate, and maintain the unit.
By Fitting this Activair High Temperature Air Source Heat Pump, you agree:
The unit has been received in good condition.
You have carried out a heat loss calculation, consulted the heat pumps data and are sure that this heat pump
is suitable.
You have carried out a load and voltage test to determine the correct size of breaker to be used.
You meet the requirements of the appropriate Building Regulations
HEALTH AND SAFETY
INFORMATION FOR THE USER, INSTALLER AND SERVICE ENGINEER
Under the Consumer Protection Act 1987 and the Health and Safety at Work Act 1974, it is a requirement to provide
information on substances hazardous to health (COSHH Regulations 1998).
TR Engineering takes every reasonable care to ensure that its products are designed and constructed to meet these
safety requirements when the products are professionally installed and used. To fulfil the requirements, products are
comprehensively tested and examined before despatch.
When working on the appliance, it is the responsibility of the user or engineer to ensure that personal protective
clothing or equipment appropriate to parts that could be considered hazardous or harmful is worn.
This appliance may contain some of the items below:
Glass rope, mineral wool, insulation pads, ceramic fibre, and glass insulation.
When handling, avoid inhalation and contact with eyes. These may be harmful and cause irritation to the skin, eyes,
nose, or throat. Use disposable gloves, face masks and eye protection.
After handling, wash hands and other exposed areas. When disposing of materials, limit dust and the risk of inhalation
by using water spray. Ensure materials are securely wrapped.
Seek urgent medical attention if inhaled or ingested. Exposure to eyes and skin should be followed by immediate
cleansing of the affected areas and medical attention if necessary.
Glues, Sealants and Paints
The glues, sealants and paints used present no known hazards when the appliance is used in the manner for which it
is intended.
4
SAFETY PRECAUTIONS
To Prevent Injury to the user, other people, or property damage the following instructions must be followed.
Incorrect operation due to ignoring of instructions may cause harm or damage.
Install the unit only when it complies with local regulations, by-laws, and standards. Check the main voltage and
frequency. This unit is only suitable for earthed supplies.
The following safety precautions should always be considered:
- Be sure to read the following WARNING before installing the unit.
- Be sure to observe the cautions specified here as they include important items related to safety.
- After reading these instructions, be sure to keep it together with the manual in a handy place for future reference.
Only to be installed by a professional person.
Incorrect installation could cause injury due to fire, electric shock, the unit falling or leakage of water. Consult the
dealer from whom you purchased the unit or a specialized installer.
Install the unit securely in place.
When insufficiently installed, the unit could fall causing injury.
Use the specified electrical wires and attach the wires firmly to the terminal board (connection in such a way that
the stress of the wires is not applied to the terminals).
Incorrect connection and fixing could cause a fire.
Be sure to use the provided or specified parts for the installation work.
The use of defective parts could cause an injury due to fire, electric shocks, the unit falling etc.
Perform the installation securely and please refer to the installation instructions.
Incorrect installation could cause an injury due to fire, electric shocks, the unit falling, leakage of water etc.
Perform electrical work according to the installation manual.
If the capacity of the power circuit is insufficient or there is an incomplete electrical circuit, it could result in a fire or
an electric shock.
The unit must always have an earthed connection.
If the power supply is not earthed, you may not connect the unit.
Never use an extension cable to connect the unit to the electric power supply.
If there is no suitable, earthed supply available, have one installed by a qualified electrician.
Do not move/repair the unit yourself.
Improper movement or repair on the unit could lead to water leakage, electrical shock, injury, or fire. Have any
repairs and/or maintenance only carried out by a recognized service engineer.
Do not plug or unplug the power supply during operation.
Risk of fire or an electric shock.
Do not touch/operate the unit with wet hands.
Risk of fire or an electric shock.
5
Do not place a heater or other appliances near the power cable.
Risk of fire or an electric shock.
Be cautious that water could not be poured into the product directly, do not allow water to run into electric parts.
Risk of fire or an electric shock.
If the supply cable is damaged, it must be replaced by qualified person to avoid a hazard.
This appliance has not been designed for use by persons (including children) with reduced physical, sensorial, or
mental faculties or by persons without any experience or knowledge of heating systems, unless they act under the
safety and supervision of a responsible person or have received prior training concerning the use of the appliance.
Children should be supervised to ensure that they do not play with the appliance.
IF THE PRODUCT IS NOT TO BE USED FOR AN EXTENDED PERIOD OF TIME, WE STRONGLY RECOMMEND NOT
TO SWITCH ‘OFF’ THE POWER SUPPLY OF THE UNIT.
IF THE POWER IS NOT SUPPLIED, THE ANTI-FREEZE FUNCTION WILL NOT BE PERFORMED.
Do not install the unit in a place where there is a chance of flammable gas leaks.
If there is a gas leak and gas accumulates in the area surrounding the unit, it could cause an explosion.
Perform the drainage/piping work according to the installation instruction.
Do not clean the unit when the power is ‘on.’
Always shut ‘off’ the power when cleaning or servicing the unit. If not, it could cause an injury due to the high-speed
running fan or an electrical shock.
Do not continue to run the unit when there is a suspected fault.
The power supply needs to be shut ‘off’ to stop the unit; otherwise, this may cause an electrical shock or fire.
Be cautious when unpacking and installing the product.
Sharp edges could cause injury. Especially watch the edges and the fins on the heat exchanger of the product.
Always check for gas (refrigerant) leakage after installation or repair of product.
Low refrigerant levels may cause failure of the product.
Keep level even when installing the product.
This is to avoid vibration or water leakage.
Do not place hands or fingers into the fan, or evaporator.
The ventilator runs at high speed, this could cause significant injury.
Keep the unit upright, even when transporting and installing the product.
6
TR ENGINEERING LTD CUSTOMER AFTER SALES SERVICE INFORMATION
The Heat Pump comes with a 5 Year warranty, providing the Heat Pump is registered within 30 days from the date of
installation. 2 Years Parts and Labour, Years 3, 4 and 5, Parts only. Register online at:
www.trianco.co.uk/product-registration
Terms and Conditions apply, please see Trianco web site for details.
Please note you will require the full Heat Pump serial number to be able to register the unit. The serial number is
located on the right-hand side of the Heat Pump and can also be found on the box the Heat Pump came in.
A step-by-step guide to reporting a fault with your appliance.
A qualified field SERVICE ENGINEER is available to attend a breakdown or manufacturing fault occurring whilst the
appliance is under warranty.
The appliance must be made available for service during normal working hours, Monday to Friday (no weekend work
or bank holidays accepted).
A charge will be made where:
Our Field Service Engineer finds no fault with the appliance.
The cause of a breakdown is due to other parts of the plumbing/heating system or with equipment not
supplied by TR Engineering Ltd.
Where the appliance falls outside the warranty period.
The appliance has not been correctly installed, as recommended (see installation, operating and servicing
instructions.)
NOTE: Over 50% of all service calls made are found to have no appliance fault.
What to do in the event of an appliance fault or breakdown:
Step 1: Always contact your installer in the first instance, who must thoroughly check all their work PRIOR to
requesting a service visit from TR Engineering LTD.
Step 2: If your appliance has developed an in-warranty fault your installer should contact TR Engineering LTD for
assistance from site.
What happens if my Installer/engineer is unavailable?
Step 3: Contact TR Engineering LTD. We will provide you with the name and telephone number of our Service
Agent. However, a charge may apply if the fault is not covered by the appliance warranty (payment will be
requested on site by our independent Service Agent).
PLEASE NOTE: UNAUTHORISED INVOICES FOR ATTENDANCE AND REPAIR WORK CARRIED OUT ON THIS APPLIANCE
BY ANY THIRD PARTY WILL NOT BE ACCEPTED BY TR ENGINEERING LTD
Register your product online - www.trianco.co.uk/product-registration
SERVICE CENTRE AND TECHNICAL SUPPORT
Tel: 0114 257 2300 Fax: 0114 257 1419
Hours of Business
Monday to Thursday 8.30am - 5pm
Friday 8.30am - 2.30pm
7
Choosing the correct size unit.
Sizing the heat pump is extremely important.
Match the correct heat pump for the heat requirement.
Pay attention to the heat pump output at lower ambient temperatures.
Pay attention to the heat pump output at Higher flow temperature settings.
Please see the Tables below for further information.
Activair High Temp 9kW
Max. Heating Capacity (kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
3.70
4.35
5.13
5.50
5.75
5.95
6.35
7.80
8.19
8.56
9.58
45
3.30
3.88
4.69
4.95
5.17
5.38
5.80
6.60
6.93
7.24
8.19
50
3.10
3.69
4.25
4.59
4.80
4.95
5.00
6.06
6.36
6.65
7.52
55
2.86
3.35
4.06
4.38
4.56
4.65
4.80
5.90
6.20
6.47
7.32
60
2.53
2.92
3.41
3.65
3.80
3.60
3.85
4.81
5.05
5.28
5.97
65
/
2.83
3.10
3.30
3.43
3.20
3.35
4.26
4.47
4.67
5.29
Power Input (kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
2.00
2.05
2.10
2.15
2.18
1.87
1.88
1.91
1.94
1.79
1.83
45
2.20
2.28
2.14
2.18
2.21
2.02
2.03
2.05
2.08
1.92
1.96
50
2.30
2.42
2.15
2.19
2.22
2.06
2.07
2.08
2.11
1.95
1.99
55
2.44
2.56
2.20
2.28
2.31
2.15
2.16
2.18
2.21
2.05
2.09
60
2.50
2.71
2.22
2.29
2.34
2.14
2.17
2.19
2.22
2.03
2.10
65
/
2.82
2.45
2.53
2.58
2.36
2.38
2.40
2.44
2.23
2.30
COP (kW/kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
1.85
2.12
2.44
2.56
2.63
3.18
3.38
4.08
4.22
4.78
5.24
45
1.50
1.70
2.19
2.27
2.34
2.66
2.86
3.22
3.33
3.77
4.18
50
1.35
1.52
1.98
2.10
2.16
2.40
2.42
2.91
3.01
3.41
3.78
55
1.17
1.31
1.85
1.92
1.97
2.16
2.22
2.71
2.80
3.16
3.51
60
1.01
1.08
1.54
1.59
1.63
1.68
1.77
2.20
2.27
2.60
2.85
65
/
1.00
1.27
1.30
1.33
1.36
1.41
1.78
1.84
2.10
2.30
Activair High Temp 15kW
Max. Heating Capacity (kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
6.77
8.28
9.90
10.30
10.76
11.10
11.80
13.70
14.39
15.29
16.82
45
6.52
7.75
8.69
9.22
9.63
10.30
10.60
12.80
13.57
14.28
15.71
50
6.35
7.36
8.12
8.45
8.83
8.70
8.96
10.75
11.29
12.00
13.20
55
6.15
6.98
7.81
8.20
8.53
8.20
8.40
10.42
11.05
11.63
12.79
60
6.00
6.48
6.15
6.36
6.61
7.29
7.55
8.91
9.44
10.05
10.94
65
/
6.25
5.56
5.88
6.12
7.01
7.30
8.23
8.72
9.28
10.10
Power Input (kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
3.26
3.55
3.70
3.78
3.84
3.52
3.55
3.58
3.63
3.36
3.39
45
3.69
3.82
3.71
3.78
3.84
3.68
3.75
3.80
3.86
3.57
3.60
50
3.94
3.96
3.72
3.79
3.85
3.62
3.68
3.75
3.81
3.52
3.55
55
4.19
4.15
3.85
3.94
4.02
3.85
3.88
3.95
4.01
3.71
3.74
60
4.45
4.68
3.88
4.00
4.08
3.69
3.72
3.78
3.84
3.51
3.58
65
/
5.12
4.25
4.43
4.52
3.93
3.96
4.02
4.08
3.73
3.81
COP (kW/kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
2.08
2.33
2.68
2.72
2.81
3.15
3.32
3.83
3.96
4.55
4.96
45
1.77
2.03
2.34
2.44
2.51
2.80
2.83
3.37
3.52
4.01
4.36
50
1.61
1.86
2.18
2.23
2.30
2.40
2.43
2.87
2.97
3.41
3.71
55
1.47
1.68
2.03
2.08
2.12
2.13
2.16
2.64
2.75
3.14
3.42
60
1.35
1.38
1.59
1.59
1.62
1.98
2.03
2.36
2.46
2.86
3.05
65
/
1.22
1.31
1.33
1.35
1.78
1.84
2.05
2.14
2.49
2.65
8
Activair High Temp 22kW
Max. Heating Capacity (kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
11.32
12.80
14.30
15.08
15.76
16.20
16.85
20.00
21.00
21.95
24.55
45
10.10
11.88
12.85
13.86
14.48
15.76
16.41
18.38
19.30
20.17
22.81
50
9.35
10.77
11.56
12.85
13.43
14.64
15.25
17.15
18.01
18.82
21.28
55
9.05
10.45
11.20
12.63
13.14
14.51
15.10
17.10
17.96
18.77
21.22
60
8.75
9.94
9.48
10.25
10.66
12.28
12.78
14.36
15.08
15.76
17.82
65
/
9.45
9.25
9.80
10.19
11.43
11.96
13.34
14.01
14.64
16.55
Power Input (kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
4.95
5.09
5.25
5.35
5.43
5.03
5.05
5.10
5.18
4.79
4.88
45
5.59
5.75
5.56
5.66
5.74
5.38
5.41
5.46
5.54
5.12
5.22
50
6.11
6.28
5.58
5.65
5.73
5.38
5.39
5.43
5.51
5.10
5.20
55
6.60
6.73
5.95
6.01
6.10
5.74
5.76
5.80
5.89
5.44
5.55
60
6.75
6.80
5.93
5.97
6.09
5.52
5.55
5.69
5.78
5.28
5.44
65
/
7.25
6.40
6.45
6.58
5.94
5.96
6.10
6.19
5.66
5.84
COP (kW/kW)
Ambient Temperature (
℃
)
Water outlet (
℃
)
-20 -15 -10 -7 -5
0
2
7
10
15
20
35
2.29
2.51
2.72
2.82
2.90
3.22
3.34
3.92
4.06
4.59
5.03
45
1.81
2.07
2.31
2.45
2.52
2.93
3.03
3.37
3.48
3.94
4.37
50
1.53
1.71
2.07
2.27
2.34
2.72
2.83
3.16
3.27
3.69
4.10
55
1.37
1.55
1.88
2.10
2.15
2.53
2.62
2.95
3.05
3.45
3.82
60
1.30
1.46
1.60
1.72
1.75
2.23
2.30
2.52
2.61
2.98
3.27
65
/
1.30
1.44
1.52
1.55
1.92
2.01
2.19
2.26
2.59
2.84
Unit Dimensions
Activair 9kW
9
Activair 15kW
Activair 22kW
10
Installation Space and Clearances
A>500mm
B>1500mm
C>1000mm
D>500mm
Siting The Unit
When installing the outdoor unit, please refer to MCS Installation guidelines to select the appropriate Location.
The heat pump must not be sited inside the property.
Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise
after installation.
1. Mount the Unit on the supplied Anti Vibration Pads using suitable fixings for the Ground Type. Alternatively, the unit
can be mounted on purpose made heat pump support feet available separately.
2. The location must have good ventilation.
3. Install the unit with the suction side (Rear) facing the wall.
4. There must be enough space around the unit for maintenance.
5. Protect the unit from possible overhanging snowfall.
6. Avoid siting in areas subject to strong winds.
7. There must be sufficient space to carry the unit in and out of the site.
8. Operation noise is minimal, however, try to avoid areas close to bedroom windows.
Supplied Unit Components
1 x User Display
1 x 4 core signal cable
1 X NTC Sensor
4 x Antivibration Feet
2 x Condensate Base pipe Adaptors
11
Typical Installation Examples
The following basic examples are for guidance only. All systems should have the relevant system components,
e.g., Isolation valves, system filter, drain cock, Pump, expansion vessel, air vents and comply with the following
British Standards.
BS EN 12828 – Heating systems in buildings: Design for water-based heating systems.
BS EN 12831 – Heating systems in buildings: Method for calculation of the design heat load.
BS EN 14336 – Heating systems in buildings: Installation and commissioning of water-based heating systems.
BS7671 – Requirements for electrical installations. IEE wiring Regulations. Seventeenth Edition.
BS EN 7593 – Code of practice for treatment of water in heating systems.
The Building Regulations: Part ‘L’ (Northern Ireland)
Current I.E.E. Regulations
Local water undertaking By-laws.
Relevant Heating and Hot water controls will be required to complete the system dependant on system type.
All Pipe work should be flushed before connecting the heat pump.
The system should be treated with a suitable antifreeze, or an antifreeze type valve should be fitted on the flow and
return pipe work.
All air should be removed from the system. Air vents should be installed at all high points in the system.
All pipework must be insulated.
The heat pump includes a manual air vent under the top cover, to the right-hand side rear of the unit.
To remove the top cover, remove the two screws on the back edge of the cover, lift the cover up at the back and pull
forwards.
Typical Installation Examples
Buffer, Heat Only
12
Buffer, Heating and Hot Water
Buffer, Heating Plus ASHP Controlled Hot Water
13
Expansions Vessel Capacity
A diaphragm type expansion vessel, conforming to the current issue of BS 4814. The expansion vessel must be
connected to the systems at a point close to the inlet side of the circulating pump. The expansion vessel volume
depends on the total water system volume and the initial system design pressure. For any system an accurate
calculation of vessel size is given in the current issue of BS 5449 and BS 7074 Part 1.
Note: A higher initial design pressure requires a larger Volume expansion vessel.
The charge pressure must not be less than the static head of the system that is the highest point of the system above
the expansion vessel.
The maximum running temperature of the system is 70°C. It is recommended that this figure be used in the calculations
of vessel size.
Where design information is not complete the following chart can be used for selecting the size of the vessel.
Safety
valve
setting
(bar
gauge)
3
bar
Vessel charge and initial system
pressure (bar gauge) 0.5 1.0 1.5
Total
water
content
of
system
Vessel
volume
Litre
Litre
Litre
Litre
25
2.3
3.3
5.9
50
4.4
6.7
11.8
75
7.0
10.0
17.7
100
9.4
13.4
23.7
125
11.7
16.7
29.6
150
14.1
20.1
35.5
175
16.4
23.4
41.4
200
18.8
26.8
47.4
Safety Valve
A safety valve set at 3 bar must be fitted with the drain routed to the outside of the building. The drain must not
discharge above an entrance or a window or any public access area, be clear of any electrical fittings and positioned
so that any discharge can be seen.
14
System
Flexible Hoses
Flexible Hoses must be used for connection between the heat pump and fixed pipework.
Isolation Valves
Full bore Isolation valves must be fitted on both the flow and return pipe work. Either connected to the unit or
directly after the flexible hoses. Warranty work will not be undertaken if not fitted.
Pressure Gauge
A pressure gauge must be permanently fitted in the system covering a range from 0 to 4 bar. Position where it can be
seen when filling the system.
System Makeup
Provision can be made by pre-pressurisation of the system via a temporary hose connection and through a double
check valve (non-return) and stop valve.
There must be no permanent connection to the mains water valve supply even through a non-return valve.
Drain Tapping
A drain tapping must be provided at the lowest point of the system, which will allow the entire system to be drained.
In-Line Filter
An in-line strainer or Magnetic type system filter must be fitted internally on the return pipework close to the heat
pump.
Condensate Base Pipe Adapters
These are pushed into the corresponding holes in the base and allow connection to discharge pipework if required.
Commonly used where the unit is wall mounted and condensate pipe work is routed from the unit to the floor.
App Control
The unit is supplied with a pre-installed Data Transfer Unit (DTU) to allow control of the High Temperature Heat
pump via the Warm Link App.
Available to download from the Google Play store for Android devices or Apple App Store for iOS devices.
The sim card will allow access for 5 years. After this time, you will need to provide your own sim card with a suitable
4G data plan.
Please see the separate User Instructions for guidance on Downloading the App, set up and operation.
Note: Data connection and DTU set up may take up to 15 minutes.
Once connection has been made, Trianco will be able to see the unit on-line via the iOT platform.
Trianco will be able to monitor and adjust settings if requested. This may become useful at the commissioning stage
of the install or if the unit experiences any issues.
Unless the location has a data coverage issue the DTU must be connected as part of the warranty conditions.
15
Electrical
Access the installer electrical connections by removing the right-hand side panel.
Unscrew the two lower panel fixing screws and ease the panel down slightly and away from the unit.
Main Power Supply
A suitable main external Rotary isolator must be installed close to the appliance having a contact separation on all
poles.
The mains supply cable should be routed through the rear panel using the holes provided.
Route the supply cable through the cable clamp and terminate at the main electrical supply terminal marked L, N, E.
Do not drill the casing in any other place. This could cause internal damage to the unit and will invalidate the
warranty.
MCB Rating and Cable Size
Heat Pump
MCB Rating
Minimum Cable Size
9kW
16A
2.5mm
15kW
32A
4mm
22kW
40A
6mm
This Appliance Must Be Earthed
User Interface Connection
The user interface cable connection can be located next to the terminal strip numbered 1 to 16.
The user interface is supplied with 5m of 5 core cable terminated at each end with a 5-pin black plug.
Site the user interface in such a position that allows the end user easy access to be able to operate the controls.
Route the user interface cable through the rear of the unit and plug in to the 5-pin black plug.
Buffer Sensor (NTC)
The buffer sensor should be sited in a dry pocket approximately a third of the way up from the bottom of the buffer.
Use a small amount of heat paste to allow for better heat transfer. Route the cable through the rear of the unit and
connect to terminals 13 and 14, remove the 6.8k resistor.
16
Optional Domestic Hot water NTC sensor
Depending on the system configuration, the Heat pump can control a 3-way valve to allow the heat pump to heat a
Domestic Hot Water Cylinder. The cylinder temperature is monitored by the optional Domestic Hot Water NTC
sensor. The hot water temperature can be set separately on the user interface. Note – Hot will take priority of the
heating circuit. The heating circuit will only operate when the Domestic Hot water cylinder has been heated to the
target temperature set on the user interface.
Place the NTC sensor in a dry pocket approximately a third of the way up from the bottom of the cylinder. Use a
small amount of heat paste to allow for better heat transfer. Route the cable through the rear of the unit and
connect to terminals 11 and 12, remove the 6.8k resistor.
Sensor and user interface cables should be run in suitable trunking/conduit to protect the cables from damage.
3 Port Diverter valve
Depending on the system configuration the Heat pump can control a 3 Port Diverter valve to allow the heat pump to
heat a Domestic Hot Water Cylinder.
Connect the valve cable to terminal 23 (Switched Live) and 24 (Neutral)
Note: The units system parameters would need to be configured correctly to allow control of the hot water circuit.
Parameter H20 will need changing via the engineer’s menu depending on valve type used.
Electric Heater Back Up
The heat pump can control up to 2 electric heaters.
The heat pump cannot supply power to the electric heaters, the installer should make provision in the way of a
contactor (not supplied) to allow the heat pump to switch the electric heater.
Stage 1 switching – Connect the contactor switch wires to Terminals 27 (Live) and 28 (Neutral)
Stage 2 switching - Connect the contactor switch wires to Terminals 30 (Live) and 29 (Neutral)
Parameters H18 and R35 will need setting depending on electric heater configuration and location.
17
Inspection Before Operation
Check all pipework and Electrical connections are correct.
Make sure the system is full of water, all relevant valves are open, and the system shows no signs of leaks.
Ensure all air has been vented from the system and the system pressure is correct.
Check the supply voltage is correct and the unit is earthed.
Review the control interface and see if there are any fault codes indicated. Reference the Fault Code list for
information regarding any code shown on the display.
Make sure the sensor(s) are located in the Buffer Tank and Hot Water Cylinder depending on system configuration.
Commissioning the Heat Pump
Select the operation mode by pressing the Mode key on the control interface.
Heating – (Most Common) Select for controlling the temperature of the buffer. Third party controls (S-Plan) control
the heating and hot water.
Hot Water + Heating – Select this mode only if the system is installed to allow the heat pump to control the DHW
and 3 port diverter valve.
Set the target temperature.
Start the heat pump by pressing the power symbol on the Control interface.
The fan will start.
The internal water pump will run for approximately 1 minute and the Fan will run, the compressor will then start.
Observe the unit running, check the outlet pipework for temperature increase.
Allow the heat pump to fully heat the buffer tank to the set temperature.
Important
While the heat pump is charging the buffer make sure the flow rate is correct.
From the State Menu check the flow rate against the Technical Details.
Insufficient flow rate will cause system issues, poor performance and poor efficiency.
Minimum stated flow rates must be observed.
The heat pump will shut off once target temperature has been achieved.
Turn on the heating and/or hot water circuits and observe the decrease in temperature at the buffer tank.
The heat pump will start once the buffer temperature starts to drop below the set temperature.
Check the heat pump and the system for correct operation. Once satisfied, the system can be drained of water and
re-filled with a suitable antifreeze.
The control interface can now be set up, setting the time, date, and any timer requirements.
18
Internal Wiring Diagram
19
User Interface Operation Guide
Main Interface Display and Function
Power on Interface.
Starting Up Interface
Main Key Functions
1. Lock Screen Click this to lock the screen.
4. On/Off Click this key to switch ON or OFF.
5. Temperature Use this key to set the Target Temperature.
15. Mode Key Used to select the operation modes. Heating. Heating + Hot Water
20
Other Key Functions
2. Home Icon Slide left or right for other options.
3. DHW Tank Temperature Only shown when in Hot Water Mode
6. Outlet water temperature or room temperature depending on system configuration.
7. Target Temperature
8. Fault Icon Flashes when an error has occurred.
9. Defrost Only visible when the unit is in defrost mode.
10. Disable Timing
11. Timer activated
12. Ambient Air Temperature
13. Time and Date
14. Current Mode
ON/OFF
Pressing the power symbol will turn the unit On or OFF
Mode
Five modes can be selected. Please consult your installer before changing the Mode.
The mode will be set depending on the system configuration.
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