Altecnic Matrix Maxi Guide

Installation, Operation & Maintenance

Instructions

Please leave this instruction booklet with the end user as it contains important

guarantee, maintenance and safety information

Read this manual carefully before commencing installation.

This manual covers the following products:

Matrix Maxi 180D

Pt. No. 121-1021

Matrix Maxi 280D

Pt. No. 121-1022

CE compliant product

Matrix Maxi

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Cont ...

PRODUCT DESCRIPTION

Heating and cooling system pressurisation top up unit with integral water storage tank and electric

motor driven peripheral pump, automated control system consisting of pressure transducer and

water level sensors. The tank includes an AB air gap for category 5 fluid isolation (BS EN 1717).

APPLICATION

The Matrix Maxi range is designed to provide initial system fill and intermittent water top up

to compensate for intermittent losses in system pressure in heating and cooling systems in

commercial or industrial applications. These could include slight leaks, air venting, etc. The units

are not designed to deal with sudden losses of system pressure due to major water losses over

extended periods. They are also not to be used for water boosting applications.

STORAGE

If this product is not to be installed immediately on receipt, ensure that it is stored in a dry, frost

and vibration free location in its original packaging.

CONTENTS Page

Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Important Facts - read before commencing installation ................................5

Location .......................................................................6

Key Features ...................................................................8

Installation .....................................................................9

Electrical Installation ............................................................11

Commissioning .................................................................15

Operation .....................................................................22

Maintenance ...................................................................24

Environment Protection ..........................................................25

Technical Specification ...........................................................26

Trouble Shooting ................................................................28

Product Log ....................................................................29

Guarantee .....................................................................32

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WARNINGS:

zThis appliance must not be used for any other application

without the written consent of Altecnic Limited.

zThis 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.

zChildren should be supervised to ensure that they do not

play with the appliance.

zThis product should not be used for the supply of water to

more than one heating/cooling system at a time.

zThe electrical installation must be carried out in accordance

with the current national electrical regulations and installed

by a qualified person.

zThe motor is not accessible in normal operating mode. The

unit must only be operated with the front cover in place.

zThe electrical installation must be carried out in accordance

with the current national electrical regulations and installed

by a qualified person.

zIn the interests of electrical safety a 30 mA residual current

device (R.C.D. not supplied) should be installed in the supply

circuit. This may be part of a consumer unit or a separate

unit.

zThis appliance must be earthed via the terminal block.

Please read installation details carefully as they are intended to ensure this product provides

long, trouble free service. Failure to install the unit in accordance with the installation

instructions will lead to invalidation of the warranty.

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Cont ...

CHECKLIST

Note:

Your product may vary slightly from the picture above.

Item Description Qty Item Description Qty

Matrix Mini 1 Top cover 1

Front cover 1

Fig. 1

IMPORTANT: With the appliance removed from its packaging

check for any damage prior to installation. If any damage is

found contact Altecnic Ltd within 24 hours of receipt.

Inlet

Overflow

Outlet

Electrical rating

plate and serial

number

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Cont ...

1 IMPORTANT FACTS: READ BEFORE COMMENCING PUMP INSTALLATION

A Water storage capacity.

1.11 The Matrix Maxi has a usable water volume of approximately 18 litres; the length of time

the Matrix Maxi takes to pressurise a system will be dependent on:-

The pressure differential between the cold fill and set pressures and also the refill rate of

the tank

1.12 Ensure the pumps are primed as described in the priming section before starting, to

avoid causing damage to the pump shaft seal. See Section 6.26 Hydraulic commissioning.

B Water temperature

This unit is designed to pump cold water only which should not exceed the following values:

1.13 The maximum allowable water temperature is 23 oC (see Section 10).

1.14 The minimum allowable water temperature is 4 oC.

C Pipework - General

1.15 Do not drill holes or put fastenings into the Matrix Maxi tank, this will cause leakage.

1.16 Secure pipework: Ensure pipework to and from pump is independently supported &

clipped to prevent forces being transferred to inlet and outlet branches of the unit. Do

not secure pipework to the Matrix Maxi, this will cause damage and possible leakage.

1.17 Flux: Solder joints must be completed and flux residues removed prior to Matrix Maxi

installation (flux damage will void any warranty).

1.18 Pipework design: Care should be taken in the design of pipework runs to minimize the

risk of air locks e.g. use drawn bends rather than 90obends.

1.19 DO NOT introduce solder flux to flexible hose, tank, pump or any parts

manufactured from plastic.

1.20 DO NOT allow contact with oil or cellulose based paints, paint thinners or

strippers, acid based descalents or aggressive cleaning agents.

1.21 DO NOT bend the flexible hose beyond 90o. It must be installed as detailed,

DO NOT kink. See Installation Section 4.15.

D Plumbing Installation Regulations

1.22 The plumbing installation must comply with the current water and building regulations.

1.23 The plumbing installation must be installed by a qualified person.

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Cont ...

2 LOCATION-GENERAL

2.11 Location: The preferred Matrix Maxi location is on a smooth level floor, of

sufficient strength to support the filled weight of the Matrix Maxi, close to

the water source and a suitable overflow position (see Section 10 - Technical

Specification for filled weight). The Matrix Maxi must not be installed in a

loft space. It must also be considered that the noise and vibration from

the Matrix Maxi may be transmitted through the structure it is sited on.

Ensure the minimum clearance requirements are followed to allow servicing

of the unit

2.12 Access and minimum clearance requirements: For emergencies and

maintenance the Matrix Maxi must be easily accessible and have the

minimum clearance around it as laid out in Fig. 2.

Additional access to the front of the unit will be required to operate the

keypad and view the display.

2.13 Protection: The Matrix Maxi must be located in a dry, frost free area.

2.14 Ventilation: Ensure an adequate air flow to cool the Matrix Maxi. Separate

the Matrix Maxi from other appliances that generate heat. Do not block the

vent holes on the front cover.

2.15 Water retention: Site the Matrix Maxi in a location where in the unlikely

event of a water leak, any spillage is contained or routed to avoid electrics or

areas sensitive to water damage. As part of the AB airgap (CAT 5 fluid

isolation) the Matrix Maxi has a weir type overflow on the front, water will

be discharged from this area in the event of the failure of the inlet valve

or non-return valves.

2.16 Supply inlet pressure: The water supply inlet pressure must not exceed 7 bar.

2.17 Ambient temperature: The Matrix Maxi must be sited in a location where the ambient

temperature does not drop below 4 °C or exceed 40 °C.

2.18 Pipework: For optimum performance inlet and outlet pipework must be a minimum of

15 mm pipe.

Fig. 2

300

150

300

500

Dimensions in mm

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Cont ...

2.19 Static outlet pressure: The static outlet head must be 3 metres below pump maximum

cold fill pressure (vertically above the appliance).

2.20 Isolating valves: Separate system isolating valves (non-restrictive) must be fitted to allow

easy service of the Matrix Maxi. Isolating valves must be mounted where specified to

allow the system isolation and removal of the Matrix Maxi if needed. See Section 4.15 for

installation details.

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Cont ...

3 KEY FEATURES

3.11 The Matrix Maxi comprises of the following main components:-

1. Cabinet – The cabinet of the Matrix Maxi houses the water break tank, controller,

pumps and pipework. the cabinet is manufactured in corrosion resistant stainless

steel.

2. Pump assembly – One or two brass peripheral pump units powered by induction

motors, with integrated non return valves and venting screw. Mounted to a

removable mounting plate to allow easy maintenance if required.

3. Programmable controller – Custom designed, user set controller, allowing system set

up and easy alarm connection.

3.12 Principle of operation: The pressurisation unit consists of a break tank and one/two

peripheral pumps. The break tank is supplied with mains water from the right to a

float valve and includes an overflow and weir to maintain an AB air gap in the tank. The

unit is connected to the heating/chiller system via the connection on the right hand

side of the cabinet. The pumps are connected to the tank via flexible hoses.

A pressure transducer monitors system pressure and if a reduction in system pressure is

detected, the controller runs the pumps until the system is re-pressurised to the required

pre-set level. If the unit only has a single pump connected it will run continuously until

this level is reached, if the unit is a twin pump model the pumps run in duty standby

mode (the controller will alternate which pump starts first to even the wear on the

pumps). The pumps are fitted with non-return valves to ensure system pressure is

maintained once pressurised.

Fig. 3 2

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4 INSTALLATION

4.11 Cold mains feed connection: The connection to the cold water mains inlet is made using

the upper G ½ male threaded connection. See Fig. 4. When tightening ensure the fill

valve within the tank is not rotated. If the valve is rotated it may not function correctly

with the risk of flooding.

4.12 Floor installation:

1. Ensure the Matrix Maxi is located so it cannot be kicked or knocked over.

2. Ensure the floor surface on which the Matrix Maxi is located is flat and level.

3. If possible locate the unit against a wall for added stability.

4. If the Matrix Maxi is located in an area that might be subjected to flooding, mount

the Matrix Maxi on a raised plinth.

4.13 Pipework connections & guidelines:

1. Before connecting the Matrix Maxi to the system ensure that system flushing has

been performed correctly and all foreign matter, including pipe scale, has been

removed.

Note: Foreign material from the system coming into contact with the expansion

vessel bladder could cause premature failure of the expansion vessel.

2. Isolating valves MUST be installed on the unit inlet and outlet, to allow the unit to be

isolated if required. The isolation valve on the outlet should be of a lockshield type.

See Fig. 5.

3. A drain valve must be fitted on the outlet of the Matrix Maxi before the isolation

valve. See Fig. 5.

Fig. 4

Warning pipe

Main cold feed

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4. The warning pipe should be connected to a suitable drain via a tundish enabling

visual warning of an overflow condition. The overflow fitting is designed to

use 19 to 23 mm diameter plastic waste pipe or connect to G ¾ threaded pipe.

Ensure there is a demountable joint in the pipe to allow the removal of the Matrix

Maxi if needed. See Fig. 4.

5. Non-return valves, pressure reducing valves and RPZ valves MUST NOT be installed

between the Matrix Maxi and the heating/cooling system. These devices will

prevent the pressure sensor from reading the system pressure and will lead to

incorrect operation of the unit.

6. The Matrix Maxi should be connected to the system return header along with the

expansion vessels as specified in BS 7074. See Fig. 5.

4.16 Typical installation diagram:

4.17 Vessel sizing & location:

1. System expansion vessel sizing should comply with the BS 7074 Expansion Vessel

sizing calculation.

2. The pressurisation unit and expansion vessels should be connected to the system at

the same point, to provide a neutral pressure reading.

3. A lockshield valve and drain valve should be installed at the inlet of each expansion

vessel to allow for servicing.

Fig. 5

Fig. 6

Matrix Maxi Warning pipe

Drain

valve

Isolation

valves

Expansion

vessel

Return

header

Lockshield

valve

Drain valve

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