Dimplex A8M Manual de usuario

A-Class Heat Pumps

A8M, A12M & A16M Installation Manual

dimplex.co.uk

8/60472/0

Issue 1.07

Contents

1. Introduction 5

1.1 Manual Information 5

1.2 Important Safety Information 6

1.3 Intended Use 8

1.4 Legal 8

1.5 Heat Pump Labels and Pipe Connections 9

1.6 Heat Pump Dimensions 9

1.7 Scope of Delivery 10

1.7.1 Installation pack 1 - Space heating and Dimplex A-Class cylinder 11

1.7.2 Installation pack 2 - Space heating and Dimplex standard cylinder 12

1.7.3 Installation pack 3 - Space heating only 13

2. Important pre-installation information 14

2.1 Connection to the Grid - Notifying the DNO 14

2.1.1 Heat Pump Sizing 14

2.2 Heat Pump Location 14

3. Installation instructions 16

3.1 16

3.1.1 Temperature Control Devices 18

3.1.2 Space Heating Zones 19

3.1.3 Location of Wiring Centre 19

4. Installation 20

4.1 Important - Plumbing Information 20

4.1.1 Pipe Sizing Information 22

4.1.2 Buffer tank 23

4.1.3 Adjusting the spring loaded by-pass valve (if ﬁtted) 23

4.1.4 Metering for the Domestic Renewable Heat Incentive - UK 24

4.2 Electrical Information 25

4.2.5 Access to Electrical Connections - Opening the heat pump 25

4.2.6 Electrical Connections - power and Modbus cable heat pump connections 26

4.2.7 Modbus Cable Information 28

4.2.8 Opening and Installing the User Interface 28

4.3 Heat Pump Controller / Commissioning 30

4.3.1 Important pre-startup information 30

4.4 Commissioning 31

4.4.1 Starting the heat pump in cold weather 31

4.4.2 General / Schematic 31

4.4.3 Waterside Check 33

4.4.4 Temperature Check 34

4.4.5 Electrical connections 34

4.4.6 Water Flow Check 34

4.4.7 DHW set-up 36

4.4.8 Electrical connections (DHW) 36

4.4.9 DHW Test 36

4.4.10 Disinfection (thermal) 38

4.4.11 Weather compensation 39

4.4.12 Heating curves 39

4.4.13 Comfort level 40

4.4.14 Setup complete 40

4.5 Additional Installer Menu Options 40

4.5.1 Service menu 40

4.5.2 Message log 40

4.5.3 Output Tests 41

4.5.4 Defrost 41

4.5.5 Operating data 41

4.5.6 History 41

5. System Health Check / Maintenance 42

5.1 Heat pump: 42

5.2 Electrical: 42

5.3 Hydraulics: 42

5.4 Indoor settings: 42

6. Appendices 43

6.1 44

6.2 Refrigeration cycle 45

6.3 Schematics - Example 1 46

6.4 Schematics - Example 2 47

6.5 Schematics 1, 2, 3 & 4 : Space Heating Only 48

6.6 Schematics 5, 6, 7, 8 : Zone space heating + DHW 49

6.7 Schematics 9, 10, 11, 12 : Bivalent space heating 50

6.8 Schematics 13, 14, 15, 16 - Bivalent zone space heating + DHW 51

6.9 52

6.10 53

6.11 54

6.12 Controller cable connections 55

6.13 56

6.14 Installer hand-over form 57

6.15 58

Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF

0844 879 3587

dimplex.co.uk | gdcgroup.co.uk

1. Introduction

1.1 Manual Information

NOTE: This manual is intended for electricians and qualied installers only!

This manual is intended for installers and electricians installing Dimplex A-Class air-source heat pumps.

All installers must have prior knowledge regarding the installation of Dimplex A-Class air-source heat pump

systems, and must be competent to install the system safely and successfully.

Installers must have knowledge of any local or national standards, codes or regulations that may apply, as

well as safe methods of practice. Dimplex accept no responsibility for compliance with these codes and

regulations on the part of the installer.

All electrical installations must be carried out in accordance with local and national standards and

regulations, including BS 7671.

NOTE: Repair should not be attempted by unqualied persons.

NOTE: Retain this manual for information

The instructions included in this manual are important for the correct installation and use of Dimplex

A-Class air-source heat pumps. Please ensure that you retain this manual for reference.

The specications and information supplied in this manual may be subject to change without notice at the

discretion of Dimplex. All attempts have been made to ensure that this document is complete and that the

information supplied is correct at the time of publication, however Dimplex will assume no responsibility

for damages (including consequential and indirect / accidental damages) resulting from reliance on the

information presented in this document.

NOTE: Check that you have the latest issue of this manual before installation.

NOTE: Go to http://www.dimplex.co.uk/customer_support/downloads and enter your A-Class heat

pump model number for the latest PDF download of this manual.

These original instructions must be left with the user after installation, including the hand-over form at the

back, where the installer should record key information during commissioning.

Unauthorised reproduction of this document is prohibited.

Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF

0844 879 3587

dimplex.co.uk | gdcgroup.co.uk

1.2 Important Safety Information

• Do not tilt the heat pump by more than 45° in any

direction.

• Do not lift without using correct lifting devices.

• Ensure that all clearance dimensions are observed - this

is important for correct heat pump operation and air ow.

• Use a suitable lifting device in accordance with any

relevant health and safety regulations.

• Do not move or transport the heat pump at.

WARNING: When using lifting rods to lift the heat pump,

straps must also be used to prevent toppling.

Figure 1:Maximum tilt angle

NOTE: Leaving a clear pathway for delivery will allow the heat pump to be delivered as close to the

installation site as possible to minimize moving / lifting.

• Never use cleaning agents containing sand, soda, acid or chloride as these can damage surfaces

/ components.

• Do not use muddy or dirty water to ll the heating system. This can cause components to

malfunction and poses a corrosion risk to the system.

• If the heat pump may be disconnected from the power supply for long periods of time, or where

power supplies are susceptible to failure, antifreeze must be added to the system.

Example: Mono ethylene glycol at 25% volume to protect down to -14°C in a holiday home.

• Use a suitable ltration protection system and a corrosive additive to prevent the formation of

oxides or solids in the heat pump condenser.

• This appliance can be used by children aged from 8 years and above and persons with reduced

physical, sensory or mental capabilities or lack of experience and knowledge if they have been

given supervision or instruction concerning use of the appliance in a safe way and understand

the hazards involved.

• Children shall not play with the appliance.

• Cleaning and user maintenance shall not be made by children without supervision.

NOTE: The heat pump contains refrigerant at high pressure.

Safety measures are in place to avoid system pressure build up;

Stage 1: Pressure transducer stops compressor.

Stage 2: Pressure switch switches heat pump off. All safety devices reset automatically.

Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF

0844 879 3587

dimplex.co.uk | gdcgroup.co.uk

WARNING: Before removing the cover of the heat pump, cylinder or wiring centre, ensure that all

electrical circuits are isolated.

NOTE: The heat pump has a multi-layered, software generated alarm management system, which

prevents it from running outside its operating limits.

NOTE: If an alarm / message occurs, the heat pump will attempt to take remedial action before causing

the system to stop completely if the problem persists. However, the overriding safety feature is the high

pressure switch, which de-energises the main contactor supplying power, in accordance with EN378.

NOTE: This device is suitable for mains connection only (230V, 1P&N, 50Hz) and is not suitable for

operation with an electrical generator or power modulator, due to possible effects on the quality of the

electrical supply. Any attempt to do so will void warranty.

• Means for disconnection from the supply mains must be incorporated into the xed wiring in

accordance with the national wiring regulations.

• This device must be installed in accordance with national wiring regulations.

• The local wiring regulations should always be followed paying particular attention to the mixing of

low voltage and extra low voltage cabling.

• Ensure the incoming power supply and the distribution board are suitably rated.

• Ensure that the regulations specied by the local electricity supplier have been adhered to.

• All fuse rating and protective overload device information is provided in the wiring label located

on the inside of the front bottom panel of the heat pump. For instruction on how to remove this

panel please see section 3.1.

• The installation of a heat pump designated residual current device (type B RCD) having a rated

residual operating current not exceeding 30mA is recommended, in accordance with local

regulations (BS7671 for UK installations).

• The correct earthing (grounding) of the heat pump is of the utmost importance.

CAUTION: The heat pump has a high leakage current and must be properly grounded for safety in

accordance with local and national regulations regarding equipment with a leakage current exceeding

3.5ma.

CAUTION: Two separate, designated RCD devices should be tted - one for the heat pump and one for

the cylinder. The heat pump system must not share an already existing domestic RCD device.

Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF

0844 879 3587

dimplex.co.uk | gdcgroup.co.uk

1.3 Intended Use

This product is designed to extract heat from outside air to provide energy for a water-based heating

system, and is intended for domestic and light commercial use. Any other use beyond that intended by

the manufacturer is prohibited. This requires the user to abide by the manufacturer’s product information.

Please refrain from tampering with or altering the device.

NOTE: Additional heating may be required if the heat pump is intended to dry out a new or renovated

building, as the initial heat load may be higher than the design load.

1.4 Legal

The construction and design of the heat pump complies with all relevant EU directives (see CE declaration

of conformity in Appendices section).

When connecting the heat pump to the power supply, the relevant EN and IEC standards must be adhered

to. Any further connection requirements stipulated by the network operation must also be observed.

When connecting to the heating system all applicable regulations must also be adhered to.

NOTE: Products not installed with the Dimplex hydraulics packs will not be supported by Dimplex. This

includes but is not limited to thermal stores.

NOTE: Installation and any service work on the heat pump may only be performed by an authorised and

qualied installer and after-sales service technicians.

Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF

0844 879 3587

dimplex.co.uk | gdcgroup.co.uk

1.5 Heat Pump Labels and Pipe Connections

Figure 2:Heat pump connections and labels

1.6 Heat Pump Dimensions

Figure 3:Heat pump dimensions

Water outlet connection

Water inlet connection

Water connection label

Rating label

Model:

Serial No. 001

8.0

R410A 2.0 kg bar C20 A

C°h/³m0073riA

aPk1.4C°h/³m1.2

Protection: IP 24 kg

12.30 kW COP 4.72

12.90 kW COP 2.20

1/75733/0

The refrigeration cycle is hermetically sealed.

Contains Kyoto-Protocol deﬁned ﬂuorinated greenhouse gases.

All work to be carried out on this unit is to be carried out by a

competent person.

Power Factor

A-2W55 P

Heating

Air to Water Variable Speed Heat Pump

Max Op.

Pressure

Revision:

Single Phase 230V/50Hz

Δp

Electrical Power (Max)

Heating

A7W35

Heating Water:

EN14511-2 Conditions

A16T

Fabrication Date:

0.99

Fuse Protection

Min.

Flow

pical

Flow

-20 / +35

+25/+65

Min / Max

Op. Temp.

Min / Max

Op. Temp.

Weight 130

GDC Group

Greenbank Industrial Estate,

Rampart Road,

Newry

Northern Ireland

BT34 2QU

Tilt angle

Do not clamp

on sides MCS HP0017

HEAT PUMPS

Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF

0844 879 3587

dimplex.co.uk | gdcgroup.co.uk

1.7 Scope of Delivery

Please ensure you check the scope of delivery before signing any delivery documentation.

Below is a guideline checklist for what should be contained in each pack.

Claims for missing or damaged parts after signing for the delivery will not be accepted.

There are 3 options to select from when installing a Dimplex Heat Pump:

Pack 1 - Space heating and Dimplex A-Class Cylinder

This pack should contain four boxes;

• Heat Pump

• ACCHYPK Hydraulics Kit A (contains all of the necessary hydraulic components)

• Cylinder

• Cylinder Accessories

A separate wiring centre is not required as the wiring centre is built into the cylinder.

Pack 2 - Space heating and Dimplex Standard Heat Pump Cylinder

This pack should contain ve boxes;

• Heat Pump

• ACCHYPK Hydraulics Kit A (contains all of the necessary hydraulic components)

• Cylinder

• Cylinder Accessories

• Wiring Centre

A separate wiring centre is required as the wiring centre is not built into the standard cylinder.

Pack 3 – Space heating only

This pack should contain three boxes;

• Heat Pump

• ACSHYPK Hydraulics Kit B (contains all of the necessary hydraulic components)

• Wiring Centre

• Accessories

A separate wiring centre is required to wire the circulation pumps and controls.

NOTE: Details for each installation pack are shown on pages 11-13.

All hydraulic kits listed in the following tables include the following documents;

• ASHP Installation manual, part number 8/60472/0 A8M, A12M, A16M

• ASHP User manual, part number 8/60476/0 A8M, A12M, A16M

Please ensure that these manuals are left with the end user. Manuals must be stored safely for

future reference.

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