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PLEASE LEAVE THIS MANUAL WITH THE UNIT AFTER INSTALLATION

145963-06    04-2019

Installation Manual

PAW-TD20/30C1E5-UK

PAW-TD20/30C1E5-UK-1

Thank-you for purchasing the PAW unvented hot water cylinder.

The PAW is an unvented hot water cylinder in capacities 200 and 300 litres. Its energy efficiency as defined by standing 

heat losses is the best in its class and will save the householder significant energy costs over the lifetime of the cylinder.

This manual gives detailed advice for installation and should be read carefully prior to fitting any unvented unit. PAW cylin

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ders are not suitable for gravity fed primary systems. In known hard water regions, precautions should be taken to prevent 

limescale formation in hot water cylinders, in accordance with Building Regulation Part L, Domestic Heating Compliance 

Guide.

This cylinder must be installed by a competent person and be installed in compliance with the Installation and Maintenance 

Instructions, all current legislation, codes of practice and regulations governing the installation of unvented hot water cylin

-

ders in force at the date of installation.

Contents

 

     

Page no.

  1. General information

 ...........................2

  2. Preparation of installation area

 ..........4

  3. Pipe connections ...............................4

  4. Commissioning and filling up

 .............5

  5. Draining and Flushing ........................5

  6. Electrical installation ..........................5

  7. Safety and Servicing

 ..........................9

  8. Fault finding

 .....................................10

  9. Technical and Performance specs

 ... 11

10. Warranty ..........................................12

11. Log book

 ..........................................13

PLEASE READ THIS MANUAL BEFORE INSTALLATION AND LEAVE WITH THE UNIT.

THE MANUAL AND ATTACHED LOGBOOK SERVE AS THE CYLINDER GUARANTEE.

This cylinder is manufactured and approved in accordance with EN 12897 : 2006

Summary of Contents for PAW-TD20C1E5-UK

Page 1: ...mation in hot water cylinders in accordance with Building Regulation Part L Domestic Heating Compliance Guide This cylinder must be installed by a competent person and be installed in compliance with the Installation and Maintenance Instructions all current legislation codes of practice and regulations governing the installation of unvented hot water cylin ders in force at the date of installation...

Page 2: ...ts factory fitted Immersion heater with thermostat and thermal cut out Additional cylinder thermostats with thermal cut out for indirect heat source Temperature and pressure relief valve 1 5 Documentation supplied Installation manual log book 1 6 Supply requirements An uninterrupted 22mm cold water mains supply is recommended however if only a 15mm supply is available this may be used provided the...

Page 3: ...Approved Scale Title Date A S OSO N 3300 Hokksund Tlf 32 25 00 00 Fax 32 25 Drawing no Drawing type This drawing is copyright and shall not be reproduced or disclosed to a third party without express permission by OSO Hotwater A S Norway C Projection 15 Panasonic PAW TD20C1E5 UK 1 12 2D 16 0703 A3 All dimensions are specified in millimeters mm unless otherwise stated Tolerance based on ISO 2768 1 ...

Page 4: ...on relief valve 4 and also from the T P valve 5 and join together in a Tee as shown on page 3 3 1 8 Fit the tundish 6 to the bottom connection of this tee 3 1 9 Connect the cold supply to the multibloc 3 3 1 10 Fit the expansion vessel to the wall close to the water heater using the enclosed mounting bracket Connect the expansion vessel to the multibloc as shown on page 3 3 2 Hot water supply Conn...

Page 5: ...w and return connections should be made connections 1 2 The motorized valve can be connected to either the primary flow or return pipe The primary flow and return fittings are 3 4 BSP female The direction of primary flow in the coil is bottom to top The maximum operating temperature of the primary flow would typically be 82 C 3 6 2 For electrical connection of the motorised valve and immersion hea...

Page 6: ...rought into operation the motorised valve will operate and close down the pri mary flow to the cylinder To reset the safety cut out and the motorised valve the reset button must be pressed in Wiring Diagram Also see S plan and Y plan wir ing page 7 and 8 This product requires a fused permanent Live and Neutral supply 6 4 1 Holiday Mode This is the black button located under the display Press and h...

Page 7: ... as high limit stat only coil the grey temperature probe wire inside additional cylinder thermostat box and insert black probe into thermostat pocket of cylinder then turn dial on front to number 5 Channel running from base of cylinder Pump flow 2 port valve supplied Zone valve not supplied Automatic bypass Radiators UFH HP Boiler Piping Diagram Zone Valve DHW supplied 1 2 2 3 1 T6360B 3 5 7 3 G Y...

Page 8: ...t stat only coil the grey temperature probe wire inside additional cylinder thermostat box and insert black probe into thermostat pocket of cylinder then turn dial on front to number 5 Channel running from base of cylinder 1 2 E 2 3 1 T6360B 3 3 1 4 G O B1 Br G Y N L E N L E N L ST6400 Heat pump Pump 1 2 3 3 2 3 2 2 2 3 1 V4043H Room thermostat Zone Valve DHW supplied Isolated Mains Supply From Fu...

Page 9: ... slow discharge from the tundish occurs when water is being heated In this situation maintenance must be car ried out by competent person and the precharge pressure must be restored to the original value An annual visual inspection is recommended Important To check the precharge the expansion vessel must be completely empty of water If the precharge pressure is different from the value shown on th...

Page 10: ...itch on 2 Immersion heater thermal cut out has operated 2 Check and reset button see thermostat diagram page 8 and safety cut out on page 5 of installation manual 3 Programmer set to central heating or not switched on 3 Check and set to hot water 4 Heat Pump Boiler not working 4 Check Heat Pump Boiler operation If fault suspected consult installer or Heat Pump Boiler manufacturer 5 Cylinder therma...

Page 11: ...2 Primary Heating coil pressure drop mbar 120 120 120 120 Heat up time immersion heater min 255 464 255 464 ErP class A A A A Pressure information Design pressure of cylinder rated pressure MPa Bar 1 10 1 10 1 10 1 10 Design pressure of heating coil MPa Bar 1 10 1 10 1 10 1 10 Operating pressure of cylinder MPa Bar 0 3 3 0 3 3 0 3 3 0 3 3 Operating pressure of heating coil MPa Bar 0 25 2 5 0 25 2 ...

Page 12: ...uropean Drinking Water Directive EN 98 83 EC or latest version The water should not be aggressive i e the water chemistry shall comply with the following Chloride 250 mg L Total Dissolved Solids TDS 500 mg L Saturation Index LSI 80 C 0 8 pH level 9 5 6 0 The immersion heater is not exposed to hardness levels exceeding 20 dH Any disinfection has been carried out without affecting the Product in any...

Page 13: ... as evidence of compliance with the appropriate Building Regulations 3 Failure to install and commission this appliance to the manufacturer s instructions may invalidate the guarantee The above does not affect your statutory rights INSTALLER COMMISSIONING ENGINEER DETAILS INSTALLER DETAILS COMPANY NAME DATE ADDRESS INSTALLER NAME TEL No REGISTERED OPERATIVE ID CARD No IF APPLICABLE REGISTRATION DE...

Page 14: ...ISCHARGE TESTED IS PRIMARY ENERGY SOURCE CUT OUT FITTED NORMALLY 2 PORT VALVE WHAT IS THE PRESSURE REDUCING VALVE SETTING IF FITTED WHERE IS OPERATING PRESSURE REDUCING VALVE SITUATED NO YES NO bar HAS THE EXPANSION VESSEL OR INTERNAL AIR SPACE BEEN CHECKED YES NO WHAT IS THE HOT WATER TEMPERATURE AT THE NEAREST OUTLET C bar ALL PRODUCTS YES DOES THE HOT WATER SYSTEM COMPLY WITH THE APPROPRIATE BU...

Page 15: ...MENTS SIGNATURE DATE ENGINEER NAME SERVICE 5 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 7 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 9 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 2 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 4 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 6 COMPANY NAME TE...

Page 16: ...16 ...

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