Zip AP3/05 Instructions de montage

Please read these instructions carefully before commencing installation

of Aquapoint unvented water heaters.

Please leave these instructions with the end user after installation.

Zip Heaters (UK) Ltd

14 Bertie Ward Way

Dereham Norfolk NR19 1TE

Telephone 0845 602 4533

Facsimile 01362 692448

www.zipheaters.co.uk

[email protected]

The terms ‘Zip’ and ‘Aquapoint’ are registered trademarks.

Zip products described in the brochure are manufuctured

under one or more of the following patents: AU675601,

AU637412, AU635979, GBO422305, GB2065848,

US4354049, US5103859, US5099825. Other patents are

in force and patent applications are pending.

ZIPAquapoint lll

Models AP3/05, AP3/10, AP3/15,

AP3/05/OB, AP3/10/OB, AP3/15/OB

Direct unvented water heaters

Issued November 2008

Installation, Maintenance

and User Instructions

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AP3/05, AP3/10, AP3/15 Installation Instructions 3

Contents

Specification 4

Dimensions 5

Special Notices 5

Installation

Requirements 6

Positioning 7

Plumbing 9

Electrical 9

Commissioning 10

Maintenance

Precautions 11

Schedule 12

De-Installation 12

Fault Finding 13

Warranty 14

Installation must only be undertaken by a

competent person, familiar with unvented

electric water heaters.

The Zip Aquapoint must be installed in

accordance with these instructions and all

current legislation, codes of practice and

regulations governing the installation of

unvented hot water cylinders in force at

the time of installation.

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Specification

Product: Zip Aquapoint III

Type: Direct unvented multipoint

Capacity: 10 litre, 15 litre

Loading: 2.0kW

Thermostat: Adjustable 7ºC to 75ºC

Thermal cut-out: Manually re-settable set to 85+/-3ºC

Water vessel: Glass enamelled steel tested to 12 bar. Maximum working

pressure 6 bar

Safety Features: Expansion relief valve set to 6 bar (supplied)

Manually re-settable over temperature safety cut-out

Provision to fit Pressure and Temperature relief valve

(available as an optional accessory)

Sacrificial anode to provide anti-corrosion protection for the

vessel and element.

Approvals: Zip Aquapoint III complies with LVD and EMC directives and

is CE endorsed.

Zip Aquapoint III has been examåined, tested and found,

when correctly fitted, to comply with the requirements

of the United Kingdom Water Regulations/Byelaws

(Scotland). The product, therefore, is listed under the

WRAS (Water Regulations Advisory Scheme) Water

Fitting and Materials Directory.

Models: Underbasin Overbasin

5 litre AP3/05 AP3/05/OB

10 litre AP3/10 AP3/10/OB

15 litre AP3/15 AP3/15/OB

Performance: Model Heat up time Re-heat time Heat Loss

(15° to 65ºC) (70% vol.) (kW/24 hrs)

AP3/05 (OB) 11 mins 7 mins 0.25

AP3/10 (OB) 18 mins 12 mins 0.33

AP3/15 (OB) 32 mins 18 mins 0.44

4 AP3/05, AP3/10, AP3/15 Installation Instructions

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AP3/05, AP3/10, AP3/15 Installation Instructions 5

Dimensions

Model Capacity Dimensions Fixing Centres Weight Water

(litres) (mm) (mm) (kg) Connections

A B C D E F Empty Full

AP3/05 (OB) 6 376 256 260 100 252 140 6.7 12.7 1/2"BSP

AP3/10 (OB) 10 480 350 265 100 378 140 8.5 18.5 1/2"BSP

AP3/15 (OB) 15 480 350 310 100 378 140 9.8 24.8 1/2"BSP

Special notices

These instructions should guide you through the installation, maintenance and

use of the Zip Aquapoint III, however, if you require any further information

please call Zip Customer Service on 0845 602 4533.

• The Zip Aquapoint is an unvented water heater designed for connection

directly to the incoming mains water supply and can serve one or more

outlets using conventional taps.

• Care should be taken that the capacity of the unit chosen is sufficient to

meet the demands of the outlets being supplied.

• The casing is constructed from impact resistant plastic and heat losses are

minimised by the high efficiency polyurethane foam insulation.

• The inner vessel is constructed from glass enamelled steel sheet and

pressure tested to 12 bar.

• A manually re-settable safety cut-out automatically cuts off the electrical

supply to the heating element in the event of a malfunction.

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6 AP3/05, AP3/10, AP3/15 Installation Instructions

• A sacrificial magnesium anode is fitted to the vessel to provide anti-

corrosion protection for the vessel and element. Gradual erosion of the

anode will occur depending upon local conditions and, in extreme cases,

conditions may cause rapid erosion resulting in particles being deposited as

a residue or emitted from the heater. The Aquapoint should not, therefore,

be used in critical applications where water quality is paramount. Regular

preventive maintenance inspections are vital to achieve optimum

performance and durability of the appliance. The condition of the anode

should be checked regularly by an authorised Zip service provider as part

of the preventive maintenance programme.

If the hot water system is not used for two weeks or more, it is

recommended that a hot tap be turned on for several minutes at a sink,

basin or bath, but not at a dishwasher, clothes washer or other appliance

before returning to service.

Installation

Requirements

1. These instructions must be read and fully understood before commencing

the installation. If in doubt, or in need of further guidance, please call Zip

Customer Service on 0845 602 4533.

2. Zip Aquapoint unvented water heaters must be installed by a competent

installer, familiar with unvented electric water heaters.

3. Installations must comply fully with UK Water Regulations and any Local

Authority requirements.

4. The electrical installation including earthing and cross-bonding should comply

with the current IEE regulations and any Local Authority requirements.

5. The Zip Aquapoint is designed for connection direct to the incoming mains

water supply and accommodation must be made for the expanded water

that will occur with each heating cycle. Regulations permit expanded hot

water to be accommodated within the supply pipe work provided that no

check valve, stop valve with loose jumper or other fitting can prevent

reverse flow. (See diagram 1 on page 8).

Where the expanded water cannot be accommodated in the pipe work and

the static water supply pressure is under 4 bar fit accessory pack AQ2

(expansion vessel and check valve). Where static water pressures are likely

to exceed 4 bar fit accessory pack AQ2 and AQ3 (pressure reducing valve

and line strainer). ( See diagrams 2 and 3 on page 8).

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6. If required a Temperature and Pressure relief valve (accessory AQ1) can be

used with any installation by fitting securely into the locating point provided.

7. The 6 bar expansion relief valve must be fitted on the cold water supply.

Under no circumstances should the expansion relief valve be installed in an

inverted position as fouling of the seat caused by deposits may prevent it

from operating correctly.

Safety relief valve connections should not be used for any other purpose

and no valve should be fitted between the expansion relief valve and the

storage cylinder.

8. The drain connection from the expansion relief valve and the T&P valve, if

fitted, must be in accordance with Water Supply Regulations. The point of

discharge must be in a safe and visible position. The connection should be

made using 15mm pipe having a continuous fall to a maximum length of 3

metres. It shall not have more than 3 right-angled bends. If a waste

connection in excess of 3 metres is necessary the pipe diameter should be

22mm with continuous fall and no more than 4 right-angled bends with a

maximum resistance to flow equivalent to 9 metres of straight pipe.

9. An isolating valve must be fitted to the cold water supply.

10. Valves and fittings must be of a type required by Water Supply Regulations

Positioning

1. The Zip Aquapoint must be installed vertically. The connections should be

at the rear of the unit. When facing the heater the hot supply (red) is to

the left, and the cold feed (blue) to the right.

2. The heater may be mounted above or below the intended outlets providing

the water connections for the undersink models are at the top and for the

oversink models underneath. N.B. Undersink and oversink models are

not interchangeable. The fixings must be capable of supporting the heater

when full of water.

3. The undersink unit can be placed unsupported on the floor or cupboard

base, but if additional support is required, securing screws are supplied that

locate to the rear of the casing.

4. Position the Zip Aquapoint to allow for its removal for future inspection and

maintenance.

5. The Zip Aquapoint is not recommended for installation above false ceilings.

6. Do not install in a location where the unit or connecting pipe work can freeze.

AP3/05, AP3/10, AP3/15 Installation Instructions 7

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8 AP3/05, AP3/10, AP3/15 Installation Instructions

When deciding the final location of the heater consideration should be

given to the safe and visible disposal of any water resulting from leaks or

seepage.This is particularly relevant when the heater is located in a roof

space, cupboard or any concealed location. For guidance please call Zip

Customer Service on 0845 602 4533.

Underbasin model shown

Diagram 1.

Inlet pressure less than 4 bar

and expanded hot water can

be accommodated in the

pipe work.

Diagram 2.

Inlet pressure less than 4 bar

but expanded hot water

cannot be accommodated in

the pipe work. (Using pack

AQ2 expansion vessel and

check valve).

Diagram 3.

Inlet pressure greater than 4

bar. (Using pack AQ2 and AQ3

expansion vessel, check valve

and pressure reducing valve).

Minimum length of pipe – Length ‘A’

Size 15mm pipe 22mm pipe

5 litres 1.2m (4ft) 0.6m (2ft)

10 litres 2.7m (9ft) 1.2m (4ft)

15 litres 4.2m (14ft) 1.8m (6ft)

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Plumbing

1. Check the incoming water supply pressure as this will determine the layout

and safety controls required. Remember that the mains water pressure can

increase considerably at night.

2. Refer to diagrams 1 to 3 to determine accessories required and layout.

3. Position the heater and controls to allow for future maintenance.

4. All control and safety valves are marked to show the direction of water

flow and will not function if incorrectly orientated. Do not break any seals or

attempt to adjust any safety valve; to do so may impair the safety of the

installation and will invalidate the warranty.

5. To ensure a watertight seal use fibre washers for connecting the inlet

and outlet pipes to the heater. Complete the seal by applying PTFE tape

to the threads but do not over-apply or extend beyond the limits of the

thread as this will lessen the effectiveness of the joint. Do not use plumbers

paste to secure joints as this can impair the operation of any valves

connected to the heater.

6. An isolating service valve (not supplied) should be fitted in the cold water

supply pipe-work as shown in diagrams 1 to 3.

7. Flush all pipe work thoroughly before making the final connections to the

valves, accessories and cold feed to the heater to ensure that any debris is

removed. Failure to do this may result in irreparable damage to the controls

and will invalidate the warranty.

Electrical

1. Switch off the mains electrical supply before carrying out any work involving

a live circuit or access to components that may be live.

2. The Zip Aquapoint is pre-wired with a length of 3 core cable suitable for

connection to a mains 240v supply. Connection must be made in

accordance with current IEE wiring regulations to a double pole isolating

switch on a dedicated circuit or a double pole switched spur.

3. If the cable length is insufficient it is recommended that the entire length is

replaced and no joins made to the original. To replace the cable:

a. Prise the temperature control knob off the spindle and remove the fixing

screw located beneath

b. Release the two fixing screws at the top of the cover assembly

c. Remove the cover by lifting forwards and upwards

d. Release the locknut on the cable grommet assembly

AP3/05, AP3/10, AP3/15 Installation Instructions 9

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10 AP3/05, AP3/10, AP3/15 Installation Instructions

e. Remove the existing cable and pass the new cable through the

grommet assembly

f. Remake the cable connections and tighten the grommet locknut to

ensure the cable is securely clamped

g. Refasten the cover.

4. All internal wiring is factory mounted and should not be altered or modified.

This appliance must be earthed.

Do not switch on the electrical supply until the water heater is full of water.

Commissioning

1. Check that all the requirements under "Installation Requirements" have

been met.

2. Check that all water and electrical connections are correct and tight.

3. Open a hot water tap.

4. Open the isolating valve and permit the heater to fill.

5. Close the hot tap when water starts to flow from it.

6. Check for leaks and rectify as necessary.

7. Check the operation of the expansion relief valve and the T&P valve, if fitted.

8. Manually operate Expansion Relief Valve to ensure free water flow through

the discharge pipe by turning the knob to the left and holding in the

open position.

9. Set the temperature control knob to the desired position. The ‘E’ position

with a water temperature of approx. 55ºC is recommended for economical

operation while minimising lime-scale deposits and thermal losses.

Note:

• Rotating the temperature control knob varies the water temperature

over the range 7ºC to 75ºC.

• The maximum temperature can be limited by prizing the front cover off

the temperature control knob and re-positioning the limit pin from

position ‘O’ to position ‘A’ max 55ºC, ‘B’ max 45ºC or ‘C’ max 35ºC.

• Hot water at 55ºC or more can scald.

• The ‘*’ position provides frost protection while the heater is connected

to power.

10. Switch on the electrical supply to the unit. The red neon light will glow

during the heating cycle and will extinguish when the selected temperature

is reached until the next heating cycle.

11. During the heating cycle no water should escape to waste from either the

expansion relief or T&P relief valves.

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12. Allow the heater to reach the selected temperature when the pilot light will

extinguish. Check the water temperature and re-check water connections

adjusting as necessary

13. Pass these instructions to the person responsible for the building management

Maintenance

Precautions

1. The Zip Aquapoint is an unvented electric water heater and a competent

person, familiar with unvented systems, should carry out all servicing and

maintenance

2. Do not remove the cover whilst the unit is connected to the electrical supply

3. The over temperature safety cut-out is located inside the cover. Do not reset

the over temperature cut-out until the cause of its operation has been

diagnosed and necessary repairs have been undertaken

4. Do not use the water heater if it is suspected of being frozen. Switch off the

electrical supply if water ceases to flow and do not switch on again until a

competent person has checked that it is safe to do so

5. The heater should be visually inspected regularly. This is particularly important

if the heater is located in a cupboard, roof space or any other concealed

location. If there is any sign of leaks or seepage the heater should be

isolated from the water supply and switched off from the electrical supply

until a competent person has investigated the cause.

6. Do not block or restrict the discharge from any safety valve

7. Do not tamper with any safety valve

8. If water discharges from any safety valve switch off the electrical supply to

the unit, isolate the water supply and contact a competent person familiar

with unvented systems

9. Please note that lime-scale deposits form more readily at higher temperatures.

Damage or failures caused by the formation of lime-scale are specifically

excluded under the terms of the warranty. To reduce lime-scale formation to

a minimum the unit should always be operated at the lowest convenient

temperature. The ‘E’ temperature setting is recommended.

10. If the unit has been commissioned and is to be unused for more than two

weeks with the power supply still connected the thermostat should be set

to ‘*’ to maintain a temperature of approx. 7ºC and protect the unit from

freezing. NB this protection does not extend to connecting pipework.

AP3/05, AP3/10, AP3/15 Installation Instructions 11

New Aquapoint lll qxd:New Aquapoint lll qxd 5/11/08 15:51 Page 10

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