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of three years from the date of delivery Gledhill will replace, free of charge, any plate heat exchanger fitted in 
the appliance as original equipment in which scale formation occurs that materially reduces the effectiveness 
of the plate heat exchanger.  This guarantee does not extend to any other component installed within the 
Gledhill appliance or elsewhere in the Purchasers domestic water system.

9.4.
9.4.1. In respect of goods supplied by us  and in respect of any installation work carried out by or on our behalf, our 

entire liability and the purchaser’s sole remedies (subject to the Guarantees) shall be as follows:-
(a) We accept liability for death or personal injury to the extent that it results from our negligence or that of 

our employees

(b) Subject to the other provisions of this clause 9 we accept liability for direct physical damage to tangible 

property to the extent that such damage is caused by our negligence or that of our employees, agents or 
subcontractors.

(c) Our total liability to the purchaser over and above any liability to replace under the Guarantees (whether 

in contract or in tort including negligence) in respect of any one cause of loss or damage claimed to result 
from any breach of our obligations hereunder, shall be limited to actual money damages which shall not 
exceed £20,000 provided that such monetary limit shall not apply to any liability on the part of ourselves 
referred to in paragraph (a) above

(d) Except as provided in paragraph (a) above but otherwise not withstanding any provision herein contained 

in no event shall we be liable for the following loss or damage howsoever caused and even if foreseeable 
by us or in our contemplation:-

   

(i) economic loss which shall include loss of profits, business revenue, goodwill or anticipated savings 

   

(ii) damages in respect of special indirect or consequential loss or damage (other than death, personal 

injury and damage to tangible property)

   

(iii) any claim made against the purchaser by any other party (save as expressly provided in paragraph (b) 

above)

(e) Except  in  respect  of  our  liability  referred  to  in  paragraph  (a)  above  no  claim  may  be  made  or  action 

brought (whether in contract or in tort including negligence) by the purchaser in respect of any goods 
supplied by us more than one year after the date of the invoice for the relevant goods.

(f) Without  prejudice  to  any  other  term  we  shall  not  be  liable  for  any  water  damage  caused  directly  or 

indirectly as a result of any leak or other defect in the goods.    We cannot control the conditions of use of 
the goods or the time or manner or location in which they will be installed and the purchaser agrees to 
be fully responsible for testing and checking all works which include the goods at all relevant times (up 
to, including and after commissioning) and for taking all necessary steps to identify any leaks and prevent 
any damage being caused thereby.

(g) Nothing in these Conditions shall confer on the purchaser any rights or remedies to which the purchaser 

would not otherwise be legally entitled

10. LOSS OR INJURY 

Notwithstanding any other provision contained herein the purchaser’s hereby agree to fully indemnify us against 
any damages losses costs claims or expenses incurred by us in respect of any claim brought against us by any third 
party for:-
(a)

any loss injury or damage wholly or partly caused by any goods supplied by us or their use.

(b)

any loss injury or damage wholly or partly caused by the defective installation or substandard workmanship 
or materials used in the installation of any goods supplied by us.

(c)

any loss injury or damage in any way connected with the performance of this contract.

(d)

any loss resulting from any failure by the purchaser to comply with its obligations under these terms as to 
install and/or check  works correctly.

PROVIDED

 that this paragraph will not require the purchaser to indemnify us against any liability for our own acts 

of negligence or those of our employees agents or sub-contractors

FURTHER

 in the case of goods supplied by us which are re-sold and installed by a third party by the purchaser it will 

be the sole responsibility of the purchaser to test the goods immediately after their installation to ensure that inter 
alia they are correctly installed and in proper working order free from leaks and are not likely to cause any loss injury 
or damage to any person or property.

11. VARIATION OF WARRANTY AND EXCLUSION

Should our warranty and exclusion be unacceptable we are prepared to negotiate for variation in their terms but 
only on the basis of an increase in the price to allow for any additional liability or risk which may result from the 
variation.
Purchasers are advised to insure against any risk or liability which they may incur and which is not covered by our 
warranty.

12. RISK AND RETENTION OF TITLE

(a)

goods  supplied  by  us  shall  be  at  the  Purchaser’s  risk  immediately  upon  delivery  to  the  Purchaser  or  into 
custody on the Purchaser’s behalf or to the Purchaser’s Order.  The Purchaser shall effect adequate insurance 
of the goods against all risks to the full invoice value of the goods, such insurance to be effective from the time 
of delivery until property in the goods shall pass to the Purchaser as hereinafter provided.

(b)

property in the goods supplied hereunder will pass to the Purchaser when full payment has been made by the 
Purchaser to us for :-
(i) the goods of the subject of this contract.
(ii) all other goods the subject to of any other contract between the Purchaser and us which, at the time of 

payment of the full price of the goods sold under this contract, have been delivered to the Purchaser but 
not paid for in full.

(c)

until property in the goods supplied hereunder passes to the Purchaser in accordance with paragraph (2) 
above.
(i) the Purchaser shall hold the goods in a fiduciary capacity for us and shall store the same separately from 

any other goods in the Purchaser’s possession and in a manner which enables them to be identified as our 
goods.

(ii) the Purchaser shall immediately return the goods to us should our authorised representative so request.  

All the necessary incidents associated with a fiduciary relationship shall apply.

(d)

the Purchaser’s right to possess the goods shall cease forthwith upon the happening of any of the following 
events, namely :-
(i) if the Purchaser fails to make payment in full for the goods within the time stipulated in clause 4 hereof.
(ii) if the Purchaser, not being a company, commits any act of bankruptcy, makes a proposal to his or her 

creditors for a compromise or does anything which would entitle a petition for a Bankruptcy Order to be 
presented.

(iii) if  the  Purchaser,  being  a  company,  does  anything  or  fails  to  do  anything  which  would  entitle  an 

administrator or an administrative receiver or a receiver to take possession of any assets or which would 
entitle any person to present a petition for winding up or to apply for an administration order.

(e)

the Purchaser hereby grants to us an irrevocable licence to enter at any time any vehicle or premises owned 
or  occupied  by  the  Purchaser  or  in  the  possession  of  the  Purchaser  for  the  purposes  of  repossessing  and 

recovering  any  such  goods  the  property  in  which 
has  remained  in  us  under  paragraph  (2)  above.    We 
shall  not  be  responsible  for  and  the  Purchaser    will 
indemnify  us  against  liability  in  respect  of  damage 
caused to any vehicle or premises in such repossession 
and  removal  being  damaged  which  it  was  not 
reasonably practicable to avoid.

(f)

notwithstanding paragraph (3) hereof and subject to 
paragraph (7) hereof, the Purchaser shall be permitted 
to sell the goods to third parties in the normal course 
of  business.    In  this  respect  the  Purchaser  shall  act 
in  the  capacity  of  our  commission  agent  and  the 
proceeds of such sale :-
(i) shall  be  held  in  trust  for  us  in  a  manner  which 

enables  such  proceeds  to  be  identified  as  such, 
and :

(ii) shall not be mixed with other monies nor paid into 

an overdrawn bank account.

We,  as  principal,  shall  remunerate  the  Purchaser  as 
commission  agent  a  commission  depending  upon 
the surplus which the Purchaser can obtain over and 
above  the  sum,  stipulated  in  this  contract  of  supply 
which will satisfy us.

(g)

in  the  event  that  the  Purchaser  shall  sell  any  of  the 
goods  pursuant  to  clause  (6)  hereof,  the  Purchaser 
shall  forthwith  inform  us  in  writing  of  such  sale  and 
of the identity and address of the third party to whom 
the goods have been sold.

(h)

if,  before  property  in  the  goods  passes  to  the 
Purchaser under paragraph (2) above the goods are or 
become affixed to any land or building owned by the 
Purchaser it is hereby agreed and declared that such 
affixation shall not have the effect of passing property 
in the goods to the Purchaser.  Furthermore if, before 
property  in  the  goods  shall  pass  to  the  Purchaser 
under paragraph (2) hereof, the goods are or become 
affixed to any land or building (whether or not owned 
by the Purchaser), the Purchaser  shall:-
(i) ensure that the goods are capable of being removed 

without material injury to such land or building.

(ii) take  all  necessary  steps  to  prevent  title  to  the 

goods from passing to the landlord of such land 
or building.

(iii) forthwith  inform  us  in  writing  of  such  affixation 

and  of  the  address  of  the  land  or  building 
concerned.

The  Purchaser  warrants  to  repair  and  make  good 
any  damage  caused  by  the  affixation  of  the  goods 
to  or  their  removal  from  any  land  or  building  and 
to  indemnify  us  against  all  loss  damage  or  liability 
we  may  incur  or  sustain  as  a  result  of  affixation  or 
removal.
(i) in  the  event  that,  before  property  in  the  goods 

has passed to the Purchaser under paragraph (2) 
hereof, the goods or any of them are lost, stolen, 
damaged or  destroyed :-

(ii) the Purchaser shall forthwith inform us in writing 

of the fact and circumstances of such loss, theft, 
damage or destruction.

(iii) the Purchaser shall assign to us the benefit of any 

insurance  claim  in  respect  of  the  goods  so  lost, 
stolen, damaged or destroyed.

13. NON-PAYMENT

If the Purchaser shall fail to make full payment for the goods 
supplied  hereunder  within  the  time  stipulated  in  clause  4 
hereof or be in default of payment for any other reason then, 
without prejudice to any of our other rights hereunder, we 
shall be entitled to stop all deliveries of goods and materials 
to the Purchaser, including deliveries or further deliveries of 
goods under this contract.  In addition we shall be entitled 
to terminate all outstanding orders.

14. VALUE ADDED TAX

All  prices  quoted  are  exclusive  of  Value  Added  Tax  which 
will be charged at the rate ruling at the date of despatch of 
invoice.

15. TRADE SALES ONLY

We  are  only  prepared  to  deal  with  those  who  are  not 
consumers  within  the  terms  of  the  Unfair  Contract  Terms 
Act  1977,  the  Sale  of  Goods  Act  1979  and  the  Supply  of 
Goods and Services Act 1982.  Accordingly any person who 
purchases from us shall be deemed to have represented that 
he is not a consumer by so purchasing.

16. JURISDICTION

The  agreement  is  subject  to  English  law  for  products 
delivered in England and Scottish law for products delivered 
in  Scotland  and  any  dispute  hereunder  shall  be  settled  in 
accordance therewith dependent upon the location.

Gledhill

 (Water Storage) 

Ltd

AMD. JUNE 2008

CONDITIONS OF SALE & GUARANTEE TERMS

1.

Gledhill (Water Storage) Ltd (“We” or “Gledhills”) only do business upon the Conditions which appear below 

and no other.  Unless we so agree in writing these Conditions shall apply in full to any supply of goods by us to 
the exclusion of any Conditions or terms sought to be imposed by any purchaser.  These Conditions of Sale and 
Warranty Terms override those which are contained on the Invoice Forms and all Sales are now subject to these 
Conditions of Sale and Warranty terms only.

2.

PRICE

Once an order or call off has been accepted the price will be held for three months 

but if delivery is extended 

beyond that period at the customer’s request, then we reserve the right to amend the price when necessary.

  

The company reviews its pricing annually to adjust for changes in our cost base.  We reserve the right to alter prices 
at any time for severe movements in raw materials (mainly copper and steel).  If there is to be a change we will give 
customers at least four weeks notice but anything delivered after that date will be at the revised price.  An order 
may not be cancelled or varied after acceptance without the written consent of the company.  Such cancellation or 
variation shall be subject to such reasonable charges as may be appropriate.

3.

SPECIFICATION

The goods are supplied in accordance with the Specifications (if any) submitted to the Purchaser and any additions 
and alterations shall be the subject of an extra charge.  Any goods not so specified shall be in accordance with our 
printed  literature  or  the  literature  of  any  of  our  component  suppliers  (subject  to  any  modifications  made  since 
publication).  If we adopt any changes in construction or design of the goods, or in the specification printed in our 
literature, the Purchaser shall accept the goods so changed in fulfilment of the order.

4.

PAYMENT

The invoice price of goods shall be payable within 30 days of despatch by us of our invoice for the goods or such 
longer time as may be stated by our quotation or invoice.  If we receive payment in full on or before the due date we 
will allow an appropriate settlement discount except where we have quoted a special net price.  If payment is not 
received in full on or before the due date we shall be entitled in addition to the invoice price to:
(i)

payment of a sum equal to any increase in the copper price supplement applicable to the particular goods 
sold between the date of receipt of order and the date of receipt of payment in full; and 

(ii)

interest on any part of the invoice price unpaid after the due date at the rate of 3% per annum over the base 
rate for the time being of HSBC Bank plc.

5.

TIME

We give estimates of delivery dates in good faith and time of delivery is not nor shall be made of the essence of any 
contract nor shall we be liable for any loss or damage occasioned by delay in delivery.

6.

DELIVERY

We deliver free normally by our own vehicles within 25 miles of any of our manufacturing depots.  Delivery to any 
place more than 25 miles from one of our manufacturing depots may be subject to our quoted delivery charges.  We 
reserve the right to make delivery of goods contained in one order by more than one consignment and at different 
times.  Where a period is agreed for delivery and such period is not extended by our Agreement, the Purchaser shall 
take delivery within that period.    If the Purchaser fails to take delivery, we shall be entitled at the Purchaser’s risk and 
expense to store the goods at the Purchaser’s premises or elsewhere and to demand payment as if they had been 
despatched.  Off loading at point of delivery shall be the responsibility of and be undertaken by the Purchaser.

7.

SHORTAGES OR DAMAGE

Goods must be inspected before signature of delivery note and any damage, shortage or discrepancy noted on the 
delivery note and the goods returned on the same vehicle.  The buyer must also give us immediate written notice of 
the damage, shortage or discrepancy so that we may prompt investigation.

8.

RETURN OF GOODS

Goods  may  not  be  returned  to  the  Company  except  by  prior  written  permission  of  an  authorised  officer  of  the 
Company  and  such  return  shall  be  subject  to  payment  by  the  Purchaser  of  handling  and  re-stocking  charges, 
transport and all other costs incurred by the Company.

9.

COMPANY LIABILITY AND GUARANTEE

9.1. Subject to the terms of these Conditions of Sale and Guarantee Terms Gledhills provide Guarantees in respect 

of specific products as set out in this clause.

9.2. Each Guarantee is strictly conditional upon the following:-
9.2.1. Complaints must be given to us immediately, before any action is taken, as responsibility cannot be accepted 

if repairs or renewals are attempted on site without our written approval.

9.2.2. The unit has been installed in accordance with our installation and service instructions and all relevant codes 

of practice and regulations in force at the time of installation.

9.2.3. All necessary inlet controls and safety valves have been fitted correctly. 
9.2.4. The unit has only been used for the storage of potable water supplied from the public mains.
9.2.5 Where  appropriate  the  unit  has  been  regularly  maintained  as  detailed  in  the  installation  and  service 

instructions

9.2.6. Defects caused by corrosion or scale deposits are not covered by any Guarantee.
9.2.7. Where we agree to rectify any defect we reserve the right to undertake the work on our own premises.
9.3. Guarantees are provided in respect of specified goods supplied by Gledhills as follows:-

(a) Domestic and Commercial Open Vented Cylinders and Tanks.

The copper storage vessel is guaranteed for ten years and if it proves to be defective either in materials or 
workmanship, we will either repair or supply replacement at our option with the closest substitute in the case 
of any obsolete product to any address in Great Britain.
(i)    free of all charge during the first year after delivery by us.
(ii) thereafter at a charge of one-tenth of the then current list price and any copper price supplement and 

delivery charge during the second year after delivery by us and increasing by a further one-tenth on the 
second and subsequent anniversary of delivery by us.

(b) Domestic Mains Fed Products [Primary Stores]

The copper storage vessel is guaranteed for five years and if it or any integral pipework as part of the storage 
vessel  assembly  proves  to  be  defective  either  in  materials  or  workmanship,  we  reserve  the  right  to  either 
repair or supply replacements or the closest possible substitute in the case of any obsolete product and will 
collect and deliver to any address in England, Wales and Scotland (excluding all Scottish Islands).
(i) free of all charge during the first year after delivery by us.
(ii) thereafter  at  a  charge  of  one-fifth  of  the  then  current  list  price  or  any  copper  price  supplement  and 

delivery charge during the second year after delivery by us increasing by a further one-fifth on the second 
and subsequent anniversary of delivery by us.

(c) Integrated Boiler and Storage Vessel Products and Stand Alone Boilers

In the case of the GulfStream range of products and the Gledhill boiler range of products,  Gledhill guarantees 
the heat exchanger (boiler) for material and construction faults for two years.  THE RESPONSIBILITY FOR THE 
EXECUTION OF THIS GUARANTEE LIES WITH THE INSTALLER.
The guarantee becomes null and void if the appliance is used incorrectly, or in the event of proven negligence 
or  incorrectly  implemented  repairs 

OR  FAILURE  TO  CARRY  OUT  THE  RECOMMENDED  INSPECTION/

MAINTENANCE

.  The guarantee also becomes null and void if changes are made to the appliance without our 

knowledge, or if the serial number on the appliance is removed or made illegible.

The annual service must be carried out by a competent 
installer  in  accordance  with  the  advice  given  by 
Gledhill and using Gledhill approved parts.

(d) Stainless Steel Unvented Cylinders

Gledhill guarantee the components including controls, 
valves and electrical parts for two years from the date 
of purchase.  IT SHOULD BE NOTED THAT THE FACTORY 
FITTED  TEMPERATURE  AND  PRESSURE  RELIEF  VALVE 
MUST  NOT  BE  REMOVED  OR  ALTERED  IN  ANY  WAY 
OR THE GUARANTEE WILL NOT BE VALID.  GLEDHILL 
WILL NOT BE RESPONSIBLE FOR ANY CONSEQUENTIAL 
LOSS OR DAMAGE HOWEVER IT IS CAUSED. 
The  guarantee  for  the  stainless  steel  vessel  is  for 
twenty five years if the original unit is returned to us 
AND PROVIDED THAT:
(i) It has been installed as per the Design, Installation 

&  Servicing  Instructions,  relevant  standards, 
regulations and codes of practice.

(ii) It has not been modified, other than by Gledhill.
(iii) It  has  not  been  subjected  to  wrong  or  improper 

use or left uncared for.

(iv) It  has  only  been  used  for  the  storage  of  potable 

water.

(v) It has not been subjected to frost damage.
(vi) The benchmark log book is completed after each 

annual service.

(vii) The unit has been serviced annually.
It should be noted that the guarantee does not cover:
-

the effects of scale build up

-

any labour charges associated with replacing the 
unit or  parts.

If  the  stainless  steel  vessel  proves  to  be  defective 
either  in  materials  or  workmanship  we  reserve  the 
right  to  either  repair  or  supply  replacements  or  the 
closest possible substitute in the case of any obsolete 
product and will collect and deliver to any address in 
England, Scotland and Wales (excluding all islands):
(i) free of charge during the first year after delivery by us.
(ii) thereafter  at  a  charge  of  one  twenty  fifth  of  the 

then  current  list  price  during  the  second  year 
after  delivery  by  us  and  increasing  by  a  further 
one  twenty  fifth  on  the  second  and  subsequent 
anniversary of delivery by us.

ACTION IN THE EVENT OF FAILURE
If  the  stainless  steel  cylinder  develops  a  leak  we  will 
ask for a deposit against the supply of a new one.  This 
will be refunded if the failure is within the terms of the 
warranty when it has been examined by us.

(e) Solar Panels and ancillary equipment

Gledhill  provides  a  five  year  warranty  for  defects  in 
the  collectors  (except  broken  glass  and  collector 
accessories  eg  metal  edgings).    If  the  collector 
demonstrably fails to meet one of the requirements of 
the standard DIN 4757 part 3 we will replace it free of 
charge based on the date of invoice.  We can not be 
responsible for damage caused by mechanical stress 
and/or changes caused by weather related influences.  
The  warranty  excludes  minor  surface  damage  that 
does  not  affect  performance  or  malfunction  due  to 
improper assembly or installation.

Please note:

-

Installation  must  have  been  carried  out  by  a 
licensed specialized company (heating contractor 
or  plumber)  following  the  version  of  installation 
instructions in force.

-

Gledhill  or  its  representative  was  given  the 
opportunity  to  check  complaints  on  site 
immediately after any defect occurred.

-

Confirmation  exists  that  the  system  was 
commissioned  properly  and    that  the  system 
was  checked  and  maintenance  was  performed 
annually  by  a  specialised  company  licensed  for 
this purpose.

(f) Components  of  our  products  other  than 
Storage Vessels and Integral Pipework.

We will either extend to the purchaser the same terms 
of  warranty  as  we  are  given  by  the  manufacturer  of 
the component or if the manufacturer does not give 
any warranty, replace free of charge any component 
which  becomes  defective  within  two  years  after  the 
date of the delivery by us and is returned to us at the 
purchaser’s expense but we shall not meet the cost of 
removal  or  shipping  or  return  of  the  component  or 
any  other  cost  charges  or  damages  incurred  by  the 
purchaser.
If the appliance manufactured by Gledhill incorporates 
a factory fitted scale inhibitor then during the period 

Summary of Contents for mCHP BMA 225

Page 1: ... STORE FOR USE WITH mCHP UNITS IN DOMESTIC DWELLINGS ALL MODELS COMPLY WITH THE WATER HEATER MANUFACTURERS SPECIFICATION FOR INTEGRATED THERMAL STORES TM benchmark Thecodeofpracticefortheinstallation commissioning servicingofcentralheatingsystems mCHP BoilerMate A C L A S S Model Numbers mCHP BMA 225 mCHP BMA 235 iSSUE 4 06 08 ...

Page 2: ...themCHPapplianceinstallation instructions before installing or commissioning the appliance Leave these instructions and the Benchmark Log Book in the pocket provided on the back of the appliance front panel Building Regulations and Benchmark Commissioning The Building Regulations England Wales require that the installation of a heating appliance be notified to the relevant Local Authority Building...

Page 3: ...4 1 HOT AND COLD WATER SYSTEM 22 4 1 2 Use in Hard Water Areas 23 4 1 3 Hot and Cold Water Distribution Network 23 4 1 4 Taps and Shower fittings 23 4 1 5 Dead Leg Volumes 23 4 2 SPACE HEATING SYSTEM DESIGN 24 4 3 mCHP CIRCUIT DESIGN 25 5 INSTALLATION AND WIRING 26 5 1 SITE REQUIREMENTS 26 5 2 PREPARING APPLIANCE FOR INSTALLATION 26 5 3 PIPEWORK CONNECTIONS 28 5 4 ELECTRICAL WIRING 29 5 4 1 Genera...

Page 4: ...nt and on a level base floor Note Although the above guidance is provided any manual handling lifting operations will need to comply with the requirements of the Manual Handling Operations Regulations issued by the H S E The appliance can be moved using a sack truck on the left hand face although care should be taken and the route should be even In apartment buildings containing a number of storey...

Page 5: ...t must however remain that of our customers mCHP appliance manufacturers and any expert or consultants concerned with the installation s Therefore please note that a We do not therefore accept any responsibility for matters of design selection or specification for the effectiveness of an installation containing one of our products b All goods are sold subject to our Conditions of Sale which are se...

Page 6: ...alves or expansion vessels This is achieved by passing the mainswaterthroughaplateheatexchanger The outlet temperature of the domestic hot waterismaintainedbythesystemcontroller at about 52o C at 18 l min by regulating the speed of the pump circulating the primary water from the store through the plate heat exchanger Itevensoutthefluctuatingandintermittent demands for space heating and hot water a...

Page 7: ...dabovethe optionalpolyphosphate type inhibitor should be specified at the time of order However this will need to be fitted by the installer at a suitable point in the cold water supply to the appliance If scale should ever become a problem the plate heat exchanger is easily isolated and quickly replaced with a service exchange unit which can be obtained at a nominal cost from Gledhill Because thi...

Page 8: ... heating circuit is a separate sealed system and will require the installer to buy and fit a standard heating circuit expansion kit see figure 2 2 for the connection arrangements The space heating demand is controlled by the heating programmer and the room thermostat and its operation is independent of the operation of the mCHP Whenboththespaceheatingprogrammerand the room thermostat are calling f...

Page 9: ... and space heating demands are active and the average store temperature is less than T_CH_boost1_On set point and the rate of temperature rise in the store is less than the R_CH_boost1 set point the controller will send the signal to the mCHP to run in boost mode If the store temperature falls below the pre set limit see table 3 5 the controller will either switch off the space heating pump or run...

Page 10: ...selected and this will be indicated by constantly lit red led on the front panel After the switch backup system has been selected it will operate the same as the mCHP using the same set points as discussed in previous sections and also with same sensor error handling routines If the store temperature exceeds 95ºc the controller will shut the heat source and activate the overheat safety trip lockou...

Page 11: ...H OPERATION By moving the mode rocker on the front panel from normal to switch position the electric backup boiler switch can be used as an alternative heat source for hot water and central heating should there be a failure of the mCHP boiler See 2 2 7 Electric Backup Facility for further details 2 3 5 CH Clock The BoilerMate when used with an mCHP appliance is designed to be heated 24h day and co...

Page 12: ...ns 100mm high plinth B C 600mm Min clearance for servicing F E Cistern A 300mm Figure 3 1 Clearances and cupboard dimensions 210 150 70 50 475 510 560 550 220 170 220 185 65 65 22 22 22 22 22 22 22 15 mCHP R HF HR mCHP Flow CF DHW OV CF Figure 3 2 Pipe Connections 530 All dimensions in mm BMA 225 BMA 235 A 2050 2190 B 630 800 C 610 610 3 0 TECHNICAL SPECIFICATION Note For appliance dimensions see ...

Page 13: ...elving etc in the case of airing cupboard etc must be added Table 3 1 Technical Specification of mCHP BoilerMateA CLASS Physical Data BMA225 BMA235 Storage volume Nominal Storage Capacity litres 186 210 Appliance weight Empty kg 49 53 Full kg 235 263 Appliance dimension height mm 1300 1440 width mm 530 530 depth mm 595 595 Maximum working head Thermal Store mWG 10m Suitable only for open vented sy...

Page 14: ...6 W 6 500 approximate 28A Supply must rated at 32A minimum Maximum power consumption at 230V ac 50Hz Standby mode W 30 mCHP Operating 7 W 300 Switch Operating W 6 300 Control Boiler system W 1 x 6A MCB Control Boiler system W 1 x 6A MCB Internal circuit Switch backup 2 x 16A MCB Protection devices Notes 1 All mCHP BoilerMateA CLASS models are fitted with a 6kW electric backup system i e Switch whi...

Page 15: ...ex overheat sensor S 9 2 x Store single sensor S 10 1 x Cold water inlet single sensor S 11 1 x Hot water outlet single sensor S 12 Front panel display S 13 2 x 16A MCB for Switch backup circuit S 14 1 x 6A MCB for appliance control circuit S 15 DIN Rail wiring terminals control gear S 16 PJN 147 Appliance controller S 17 Electromechanical Programmer S 18 Automatic bypass valve 19 Feed and expansi...

Page 16: ...ASS willoperate at mains inlet pressure as low as 1 bar and as high as 5 bar the preferred range is 2 3 bar dynamic Typicalhotwaterperformanceoftheapplianceis showninfigure3 5 Theperformancecomparison is shown for continuous hot water draw off at 18 l min when the store is charged to nominal 77o C andthecoldwaterinlettemperatureis10o C Also during the draw off it is assumed that there is no heat i...

Page 17: ... L 2 3 4 1 ON SPD1 2A OPTIONAL EXTRA IF FITTED PART No XB142 SCALE INHIBITOR 2 x 3kW Heating Elements S 3 S 4 S 5 S 6 Store overheat Top Cold Water IN Domestic Hot Water OUT Store Bottom 10K Resistor Store Middle S1 S2 ID_RESISTOR SENSOR LEGEND BLUE Bl BROWN Br GREEN YELLOW G Y WIRE COLOUR LEGEND BLACK ORANGE YELLOW WHITE RED B Or Y Wh R mCHP BOILERMATE A Class N with Clock Factory Standard FACTOR...

Page 18: ...ont panel See figure 6 2 for further details of the 2 digit digital display 3 6 APPLIANCE TYPE SELECTION The mCP BoilerMateA CLASS is fitted with an identity ID resistor which is read by the controller for comparison with the appliance type code set on the controller The two must match for the controller appliance to function Thereforeifeithertheappliancecodesettingor the ID resistor is wrong the ...

Page 19: ...display shown in figure 6 2 indicates the status of the appliance inputs and outputs by switching on the appropriate segments of the display 3 6 2 SENSOR TEMPERATURE The sensors used in this appliance are listed in table 3 7 In this mode the current temperature read by the selected sensor is displayed The temperature reading is displayed by alternatively flashing the sensor number and its temperat...

Page 20: ...point Sensor S6 54ºC Hot water priority OFF set point Sensor S6 58ºC 3 1 CH Pump max speed 255 CH Pump min speed 110 CH return temperature set point Sensor S5 55ºC 4 Bottom store sensor S5 ON set point 60ºC Bottom store sensor S5 OFF set point 70ºC 5 Middle store sensor S6 ON set point 68ºC Middle store sensor S6 OFF set point 77ºC 6 mCHP boost ON set point in HW only mode T_HW_boost_on 52ºC mCHP ...

Page 21: ...1 T_TANK_BOTTOM_OPEN 11 OVERHEAT DIFFERENCE ERROR 36 GP_LOST_ERROR 2 T_TANK_MIDDLE_SHORTED 12 T_MAX LOCK ERROR 37 T_OVERHEAT_ _OPEN 3 T_TANK_BOTTOM_SHORTED 38 OPEN_SENSOR_1 4 EB_FAILURE 39 OPEN_SENSOR_2 40 T_ID_OPEN 41 OPEN_SENSOR_4 17 15MS ERROR 42 OPEN_SENSOR_5 18 FLAG BYTE INTEGRITY ERROR 43 OPEN_SENSOR_6 19 AD_HI_CPL ERROR 44 T_OVERHEAT_2_OPEN 20 AD_LO_CPL ERROR 45 SHORTED_SENSOR 21 REGISTER E...

Page 22: ... 1 Typical hot and cold water distribution pipework in a dwelling 4 1 1 MAINS PRESSURE AND WATER SUPPLY a mCHP_BoilerMate is designed to be connected directly to the mains and fulfil the requirements of Water Byelaw 91 and therefore do not require a check valve to be fitted to the supply pipe However should ancillary equipment requiring a non return valve is to be fitted to the same mains supply a...

Page 23: ...fitting appropriate flow regulators to each hot and cold water outlets These must be fitted in cases where the final branch pipe sizes are not as recommended in c below or the water pressures are above the recommended 2 3 bar range c Alternatively the tee offs to the outlets should be in 10mm except for bath and shower which should be in 15mm I metre minimum length d The hot water supply to a show...

Page 24: ...ts is shown in figures 3 3 and 3 4 The appliance connection details are shown in figure 3 2 and table 3 1 in the technical specification section 3 If the appliance is at the highest point of the system a manual air vent is provided on the appliance However if any point of the heating system is higher than the appliance then an air vent must be fitted at the highest point in the system At least one...

Page 25: ...n the appliance must not exceed 1 0 bar The water level in the F E cistern should be at least 250mm above the highest point of the circuit from the mCHP unit h Overflow pipe The overflow warning pipe should be in 20mm internal diameter pipe of suitable material for use in heating systems in accordance with BS 5449 such as copper It should have continuous fall and discharge in a conspicuous externa...

Page 26: ...it connectors from the following manufacturers The installer must check and confirm the suitability of any other types of push fit connectors Hepworth Hep2 O BiTite John Guest Speedfit Yorkshire Tectite h The cupboard will normally be at marginally higher temperature than in a conventionalsystemandthedesignofthedoorandthecupboardwillneedtotake this into account However no ventilation is normally r...

Page 27: ...pply Neutral N 230V Permanent Live L 230V From mCHP 230V ac 2 mCHP_boost switched live L 3 Electric boost on signal L 1 mCHP_on off switched live L Room stat switched live L Programmer HW switched live L Programmer CH switched live L N L E Mains supply 230V 50Hz 32A 6mm2 4 230V 50Hz Supply 2 Pole 32A Isolator 2 Pole 6A Isolator 230V 50Hz mCHP Appliance mCHP BoilerMate Room thermostat 230V 50Hz 32A...

Page 28: ...y open vent should be installed between the appliance and the feed and the expansion cistern NOTE 2 F E cisterns are provided with the 235 model The ballvalve should not be fitted in the same cistern as the cold feed connection and the positionoftheseandtheinterconnectingpipework should be arranged to reduce the possibility of stagnant pockets of water in the cisterns f Itisnormallyenvisagedthatth...

Page 29: ...upplies to both the BoilerMate and the mCHP unit are switched off before commencing electrical work The mCHP BoilerMate is supplied with a pre wired 2m long twin E cable rated at 32A Connect this cable to the local BoilerMate isolator See figure 5 4 b When the thermal store requires heating the BoilerMate controller will generate a 230V ac on off signal at terminals labelled SL O and N These termi...

Page 30: ...tols and mCHP wiring diagram for models fitted with programmer Colour Legend Br Brown Bl Blue B Black Gry Grey G Y Green Yellow Gry Gry Gry Gry B B B B B Bl Bl Bl Bl Bl Bl Bl G Y G Y G Y Wh G Y G Y G Y G Y Br Br Br Br Br Br Br Br Br Br Please refer to the Installation Service manual supplied with the WhisperGen appliance before making connections ON OFF Note Supply to be brought directly from cons...

Page 31: ... 50Hz 32A 6mm 10mm 6 0mm Flat twin earth Boilermate cable Local 2 pole isolator within 2m of Boilermate G Y WhisperGen mCHP 230V 50Hz supply fused at 8A Anti surge HRC fuse Bl Bl G Y G Y Br Br Please refer to the Installation Service manual supplied with the WhisperGen appliance before making connections Local 2 pole isolator within 2m of appliance Please refer to programmer instruction manual for...

Page 32: ...ion of scale and corrosion inhibitor such as the Fernox Superfloc cleaning agent and Fernox MB1 protector The correct use of cleaning agent and of the correct strength of inhibitor is essential for the efficient and long life of the complete system Failure to do this correctly will result in premature corrosion of the boiler blocking of the waterways and neither of these situations will be covered...

Page 33: ... panel display from normal to switch position The electric backup operation can now be observed 6 4 COMMISSIONING SPACE HEATING a The central heating is best commissioned when the store is hot and therefore should be carried out after procedure 6 3 b Setheatingclocktocontinuousandensure thattheroomthermostatiscallingforheat This will be indicated by display segments V1 3 and V1 4 being on respecti...

Page 34: ...c Advise on mCHP operation and maintenance advised in mCHP manual d Explain how to select the emergency backup electric boiler switch operation if there is a failure of the mCHP e Handoverapplianceandroomthermostatuserinstructionsandputthecompleted Benchmark logbook and the appliance instruction manual in the pocket on the inside of the appliance front panel f DON T place any clothing or other com...

Page 35: ...traight valve OUTLET 7308123 GT135 GT133 10 2 x 3kW switch immersion heater Backer 11 Main PCB controller Pijnenburg 147 3GS controller 147 3GS GT103 12 Bottom store sensor Tasseron Single sensor TSK10B4 GT198 13 Middle store sensor Tasseron Single sensor TSK10B4 GT198 14 Top OHT sensor Tasseron Duplex sensor TSK11B4 GT199 15 Front panel display RH Technical Membrane overlay 16 Front panel display...

Page 36: ...NS FOR SHOWERS 4 FIXING OPTIONS FOR TAPS MIXERS 1 MK Range Combined Regulators Aerator for screwing onto Taps Mixers with internal or external threads on their noses Anti Vandal models also available 2 MR05 T Range Internal Regulators Push fit intoTap or Mixer seats Produced in three sizes 12 5mm BS1010 12mm 10mm Flangeless models also available for Taps with Low Lift washers 3 MXFStandardRange Sc...

Page 37: ...ed 595mm 2 No 6mm fixing holes 18 l mm 12 l mm 9 l mm 9 l mm 9 l mm 9 l mm 12 l mm inlet 55mm 18 l mm 12 l mm 9 l mm 9 l mm 9 l mm 9 l mm 9 l mm 9 l mm 9 l mm 9 l mm 12 l mm inlet 165mm 595mm A hot B cold blank blank 18 l min 12 l min 12 l min 9 l min 9 l min 9 l min 9 l min 9 l min 12 l min 18 l min inlet 595mm C D 18 l min 12 l min 12 l min 9 l mm 9 l mm 9 l mm 9 l mm 9 l mm 9 l mm 9 l min 9 l m...

Page 38: ...nd the resistance characteristics of the pipes The examples presented below are for 15mm copper pipe in table 1 and for plastic pipework in table 2 The preferred solution where space will allow An optional location where cupboard space is tight Table 1 Maximum equivalent pipe length in 15mm copper Inlet pressure bar Maximum equivalent length of pipe m 9 l m 12 l m 18 l m 2 0 25 10 5 2 5 75 30 15 3...

Page 39: ...ink should be branched off the cold water main prior to the treatment device instead of the cold water manifold Any other isolating control valves and backflow protection devices should be provided as necessary to comply with the Water Regulations Bath Toilet cistern Hand basin Toilet cistern Hand basin Hand basin Toilet cistern Mains supply Shower DW Kitchen sink Kitchen En Suite Bathroom Check v...

Page 40: ...ld be fixed to the system in a prominent location Where a combi boiler and or a hot water storage vessel is installed in areas where the mains water can exceed 200ppm Total Hardness as defined by BS 7593 1993 Table 2 a scale reduction device should be installed in accordance with the boiler manufacturer s instructions The levels of water hardness may be measured using a water hardness test kit BUI...

Page 41: ...easy lifting at the top of the product Each appliance is supplied with a pallet which has been attached to the unit via the packaging The pallet will also allow for one or two persons to get a good hold e Taking the lead for team lifts As more than one person is required for these products ensure that one person is taking the lead This may be you so ensure that each person that is helping is made ...

Page 42: ...ials or workmanship we will either repair or supply replacement at our option with the closest substitute in the case of any obsolete product to any address in Great Britain i free of all charge during the first year after delivery by us ii thereafter at a charge of one tenth of the then current list price and any copper price supplement and delivery charge during the second year after delivery by...

Page 43: ...ubject to of any other contract between the Purchaser and us which at the time of payment of the full price of the goods sold under this contract have been delivered to the Purchaser but not paid for in full c until property in the goods supplied hereunder passes to the Purchaser in accordance with paragraph 2 above i the Purchaser shall hold the goods in a fiduciary capacity for us and shall stor...

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