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Morco D-61B, Instructions Manual

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Morco D-61B Instructions Manual Download Page 8

8

A.2.- TECHNICAL INSTRUCTIONS FOR INSTALLATION ENGINEERS
A.2.1. TECHNICAL INFORMATION

• Shape and outer dimensions

Lower of base

CW

GAS

WW

CW

GAS

WW

A

D

C

H

J

øE

F

B

M

Contr

ol knob

T

e

mperatur

e selector

Ignition window

G

I.

L

MODELS

D61B - D61E

G11E

Maximum

9,4 kW (135 kcal/min.)

19,2 kW (275 kcal/min.)

Minimum

5,6 kW (81 kcal/min.)

10 kW (145 kcal/min.)

B

A

C

D

E

F

G

H

I

J

L

M

634

310

230

276

110

660

115

235

464

50

456

45

G11E

573

266

190

236

90

589

97

120

350

50

344

45

D61B/D61E

SELECTOR SETTING

MODELS

OPEN

CLOSED

Water flow

T

Water flow

T

D61B-D61E

5,4 litres/min.

25ºC

2,7 litres/min.

50ºC

G11E

11 litres/min.

25ºC

5,5, litres/min.

50ºC

• SPECIFICATIONS

• Available calorific power

• Output in terms of a p.c.i. over 85%

• HOT WATER DELIVERY

The figures quoted are for the appliance at normal operating pressure at minimum
and maximum selector settings.

NOTE: Temperatures are in degrees rise above ambient.

• OPERATING PRESSURE

• Minimum

1bar

• Maximum

10 bar

• Water inlet pressure with the appliance working at normal pressure.

Summary of Contents for D-61B

Page 1: ...10005246 03 MORCO MODELS D 61B D 61E AND G11E ...

Page 2: ......

Page 3: ...OUR LES UTILISATEURS 24 B 2 INSTRUCTIONS TECHNIQUES POUR L INSTALLATEURS 27 B 2 1 DONNÉS TECHNIQUES 27 B 2 2 NORMES D INSTALLATION 32 B 2 3 ENTRETIEN DE L APPAREIL 36 B 2 4 SYMBÔLES 38 B 2 5 DÉPANNAGE 38 B 2 6 GARANTIE 42 C NEDERLANS C 1 INSTRUCTIES VOOR GEBRUIKERS 44 C 2 TECHNISCHE INSTRUCTIES VOOR INSTALLATIETECHNICI 47 C 2 1 TECHNISCHE INFORMATIE 47 C 2 2 INSTRUCTIES VOOR DE INSTALLATIE 52 C 2 ...

Page 4: ... THIS APPLIANCE PLEASE READ THESE INSTRUCTIONS THOROUGHLY ALWAYS RETAIN THE INSTRCTIONS FOR FUTURE USE GAS SAFETY INSTALLATION AND USE REGULATIONS 1998 IN THE INTEREST OF SAFETY IT IS THE LAW THAT ALL GAS APPLIANCES ARE INSTALLED AND SERVICED BY A COMPETENT PERSON IN ACCORDANCE WITH THE ABOVE REGULATIONS BUILDING REGULATIONS CODES OF PRACTICE AND BYELAWS OF THE LOCAL WATER UNDERTAKING FAILURE TO C...

Page 5: ...ns that there is air in the gas pipes In this case allow plenty of time for the pipes to be cleared of air with the gas control knob at the pilot setting Where there are long gas pipe runs it may take up to 3 minutes PREPARING THE HEATER FOR USE Once the pipes are free of air and the pilot is alight wait about 10 seconds for the safety valve mechanism to be activated the appliance is ready for use...

Page 6: ...down in the following way Turn off the mains water inlet stopcock Turn temperature control knob fully anticlockwise to minimum setting Turn on all hot and cold water taps Open all hot and cold drain cocks on the installation Please refer to your caravan owners handbook for the location of all drain cocks Disconnect the mains water inlet stopcock from the caravan pipework this will stop water refil...

Page 7: ...r tamper or adjust with any pre sealed unit There is a danger of burning yourself if you touch the area in or around the pilot window We recommend that you avoid touching this area Do not cover or use the heater for drying purposes or use the heater compartment for storage of any goods especially flammable liquids The appliance has a device to detect that combustion gases are removed correctly via...

Page 8: ... 50 456 45 G11E 573 266 190 236 90 589 97 120 350 50 344 45 D61B D61E SELECTOR SETTING MODELS OPEN CLOSED Water flow T Water flow T D61B D61E 5 4 litres min 25ºC 2 7 litres min 50ºC G11E 11 litres min 25ºC 5 5 litres min 50ºC SPECIFICATIONS Available calorific power Output in terms of a p c i over 85 HOT WATER DELIVERY The figures quoted are for the appliance at normal operating pressure at minimu...

Page 9: ...5 mm Flueway D61B and D61E ø 90 mm G11E ø 110 mm PIPE WORK DIAMETERS AND CONNECTION SIZES BURNER PRESSURE 9 TIPE OF GAS Standarised gases G11E D61B D61E Butane 27 5 mbar 29 mbar Propane 36 3 mbar 36 9 mbar Natural gas 16 4 mbar 19 4 mbar BURNT GAS FLOW AND SMOKE TEMPERATURES MODELS G11E D61B D61E Flow g s 13 7 8 Temperature 160ºC 137ºC AIR FLOW NECESSARY FOR THE COMBUSTION TIPE OF GAS Standarised ...

Page 10: ... when the ambient temperature of the water supply is high An automatic water flow regulator to provide a constant flow rate at the tap at varying pressures Min supply pressure 1 0b Max supply pressure 10 0b A water temperature selector A heat exchanger made from pure electrolytic copper A draught diverter hood OPERATION Once the appliance has been turned on following the procedure given in section...

Page 11: ... Cat I3 30mbar Cat I3B P G 31 37mbar Type B11BS Qn hi 11 1 kW Qm hi 6 6 kW R Fab 20 26210 Pn 9 4 kW SERIAL Nº Pw 10 bar Cat I3 I3B P Country Pays GB FR IE IT ES BE NL USE ONLY IN WELL VENTILATED ROOMS NOT TO BE INSTALLED IN BATHROOMS MORCO PRODUCTS LTD Morco House Riverview Road Beverley HU17 OLD ENGLAND MORCO INSTANTANEOUS GAS WATER HEATER CE 0099 Mod Nº G11E NAT 99BP819 Gas Type G 20 20mbar Cat ...

Page 12: ...TOR 11 MAIN BURNER GAS VALVE 12 MAGNETIC VALVE 13 HI LO GAS SETTING 14 INTER IGNITION VALVE 15 PILOT VALVE 16 BURNER JET 17 MAIN BURNER BAR 18 MAIN GAS VALVE BODY 19 SPINDLE ASSEMBLY 21 PILOT INJECTOR 22 SPARK ELECTRODE 23 THERMOCOUPLE 24 PILOT BURNER 25 MAIN BURNER 26 HEAT EXCHANGER 27 DRAUGHT DIVERTER HOOD 28 PILOT SECURING NUT 29 C P D S D SPILAGE SAFETY DEVICE 12 ...

Page 13: ...Boats BS EN 1949 Installation of LPG System for Habitational Purposes in Leisure Accommodation Vehicles EN 721 Leisure Accommodation Vehicles Ventilation Requirements Location The water heater requires a plentiful supply of fresh air for correct operation Fixed ventilators or air inlets should not be obstructed Do not install the water heater in a location where incomplete combustion is foreseeabl...

Page 14: ...s device is to detect thermally if products of combustion are not being removed to the outside air by the flue due to adverse weather conditions causing a down draught down the flue blockage in the flue or problems with the ventilation supplying the air for combustion This device should never be deactivated or removed as this would compromise the safety of the occupants in the event of flue gas sp...

Page 15: ...meet the specifications given on the appliances technical specification plate Take special care to ensure that the water and gas pressures are correct Also make sure that the bottle regulator is large enough to allow sufficient gas to be supplied to the appliance bearing in mind the gas consumption of other appliances on the same gas supply FIXING THE APPLIANCE To do this you only need to remove t...

Page 16: ...ot exceed 2 5 mb below that specified in this manual Check the burner pressure with the heater at full load at the test nipple located on the left hand side of the main gas valve body below the main burner These pressures must at least be equal those specified in this manual in order to achieve the desired performance specified in this manual Check the flue for spillage close all doors and windows...

Page 17: ...g purposes Note Defurring descaling should be carried out using proprietary agent or dilute hydrochloric acid It is recommended to circulate the descaling fluid around the heat exchanger in order to speed up the process Depending on the amount of scale build up and the strength of the descaling solution used the time to totally descale will vary MAINTENANCE MINIMUM ANNUAL MAINTENANCE Gas water hea...

Page 18: ...me should be a stable blue coloured cone shape To clean the pilot burner proceed as follows Turn off the gas supply remove the front cover Remove the pilot injector by slackening the supply pipe nut first and unscrewing the pilot injector from the pilot burner Remove the contamination from within the pilot burner using wire and blow through to remove any further debris Replace the pilot injector e...

Page 19: ...tic valve is faulty Faulty thermocouple The main control button is not fully depressed C P D S D is faulty Clean or replace pilot jet Re position thermocouple Check thermocouple for tightness Replace with new one Replace with new one Press it down hard and hold that position for about 10 seconds Replace it When main burner ignites the pilot flame becomes much smaller Insufficient gas pressure Chec...

Page 20: ...burner and clean as necessary using stiff brush Check gas pressure at the heater and adjust regulator to the correct range Clean the heat exchanger On ignition the burner makes an unusual noise Flash back The position between pilot burner and main burner is not close enough Gas pressure flow rate is insufficient Gas supply line is too small in diameter Insufficient gas supply Partly blocked main b...

Page 21: ...ct range Main burner and pilot flame goes out during operation Combustion spillage safety device has activated None or insufficient ventilation fitted Blocked ventilation Insufficient gas pressure Check flue for correct fitting blockages or any damage to flue pipe or terminal Check for spillage due to the effects of any fans or adverse weather conditions Check the ventilation referring to the appr...

Page 22: ...ntamination of O rings Clean or replace Soot deposits on front cover and smell of fumes Blocked burner venturi and sooted blocked heat exchanger Remove burner and heat exchanger and clean thoroughly A 2 6 WARRANTY The water heater is guaranteed against manufacturing defects for one year from first commissioning However the guarantee is subject to proof of commissioning in accordance with the gas s...

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