background image

1

Air Filter

2

Air circulating fan

3

Heat exchanger access cover

4

Data plate

5

Electrical Panel Assembly

6

Multifunctional control

7

Fan delay control/limit switch

8

Viewing port

9

Pilot Burner

10

Burner Assembly

11

Gas supply pipe

12

Piezo igniter unit

13

ELJAN 4/SE Water heater (if fitted)

Fig. 1

1.1

HI-SPEC J25SC is a fanned-circulation, downflow, ducted warm air heater for SE-duct applications, which may be
supplied with SYSTEM E-T or Basic control, and in combination with an ELJAN 4/SE (electrically switched) water
heater.

1.2

The Air heater output can be adjusted between 6.44kW (23.2MJ/h, 22,000 Btu/h) and 7.3kW (26.4MJ/h, 25,000Btu/h).
“Summer air circulation” of unheated air is available by manual selection (see User’s Instructions). ELJAN 4/SE output is
3.32kW (12.0MJ/h, 11,340Btu/h).

THIS APPLIANCE CONFORMS TO BS EN 55014

This appliance has been tested and certified by B G Technology for use with natural gas G20.

Note: If a water heater is fitted, these instructions must be read in conjunction with the Installation, Commissioning
and Servicing Instructions for that appliance.

1.

BRIEF DESCRIPTION

HI-SPEC J25SC SERIES WARM AIR HEATERS

SYSTEM E-T and BASIC Control

INSTALLATION, COMMISSIONING & SERVICING INSTRUCTIONS

G.C. No 42 417 96

Publication No. ZZ 839/6

October 2007

These instructions are to be left with the User or adjacent to the Gas Meter

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10.

SHORT LIST OF SPARES

HI-SPEC J25SC

KEY

G.C No

MFR’S No

DESCRIPTION

QTY

1

BOS02064SP

Fan Assembly

1

2

T193-0145000

Filter Assembly

1

3

378 466

BOS 02031

Time Control

1

4

381 627

1000-0701140

Multifunctional Control

1

5

232 948

BOS 02061

‘O’ Ring Seal

2

6

245 482

S 00556

Pilot Burner Assembly (including gaskets)

1

S01494

Pilot Feed Pipe Kit

1

7

1000-2500580

Pilot Gasket

1

8

381 713

1000-0702030

Thermocouple

1

9

245 509

1000-0513820

Fuse T3.15A anti-surge

1

10

S252-0700000

Burner and Controls Assembly

1

11

245 480

S250-0709000

Main Burner Assembly

1

12

397 484

1000-0703450

Main Injector

1

13

392 935

1000-0701260

Pilot injector (S.I.T. No. 27)

1

14

395 945

1000-0700570

Piezo Unit

1

15

386 775

BOS 01970

Igniter Electrode

1

16

397 819

BOS 02394

Electrode lead

1

   System E-T Models Only

17

245 539

ET005

Electronic Panel Assembly and Daughter board

1

18

S252-0500000

Electrical Panel Assembly

1

19

245 514

1000-0515620

Thermista-stat

1

20

245 516

1000-0516375

Fan Delay Control/Limit Switch

1

21

245 542

1000-0515970

Capacitor 15µf

1

   Basic Models only

22

245 544

S252-0501000

Electrical Panel

1

23

245 521

1000-0516365

Fan Dely Control/Limit Switch

1

24

245 522

1000-0515200

Fan Speed Transformer

1

25

245 525

1000-0515730

Transformer 24V

1

26

245 413

1000-0511760

Relay Module

1

Johnson and Starley prides itself on its ability to supply spare parts quickly and efficiently. If you have a problem in obtaining a
spare part, please contact Johnson and Starley Spares Department at the address below.

JOHNSON & STARLEY LTD.

Telephone:

(01604) 762881

Rhosili Road,

Brackmills,

 Fax:

(01604)  767408

    Northampton NN4 7LZ

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Содержание HI-SPEC J25SC Series

Страница 1: ...PARES HI SPECJ25SC KEY G CNo MFR SNo DESCRIPTION QTY 1 BOS02064SP Fan Assembly 1 2 T193 0145000 FilterAssembly 1 3 378466 BOS02031 Time Control 1 4 381627 1000 0701140 Multifunctional Control 1 5 2329...

Страница 2: ...ent must be not less than 75mm 3 in However if clearances are less than 75mm the internal surface of the compartment must be lined with non combustible material The compartment must be of a fixed rigi...

Страница 3: ...he air filter front cover and the air circulation fan 5 1 2 Cut a hole in the chosen side of the fan compartment The knock outs will determine the size and position 5 1 3 Remove and the filter frame r...

Страница 4: ...5 4 4 Apply a suitable mastic not provided to the spigot flanges and insert them into their respective apertures and seal them to the face of the SE duct wall 5 4 5 Position the larger rope ring seal...

Страница 5: ...door or windows or on an outside wall iii Where affected by warm air ducts diffusers waste pipes or the heater itself iv Where subject to vibration c Connect Thermista stat Room thermostat wires to c...

Страница 6: ...MAXIMUM 6 3 11 Ensure that the main burner has now ignited 6 3 12 Test for gas leakage at the supply Multifunctional control Pilot and Main burners using proprietary detection fluid and sealing any le...

Страница 7: ...ch OFF the electrical supply to the air heater 6 8 3 Release the securing screw and hinge down the fan chamber door 6 8 4 Disconnect the air circulation fan as follows a System E T models disconnect t...

Страница 8: ...s etc Outlet faces may require partial blanking in order to achieve this 6 9 3 Set the SUMMERAIRFLOW switch to O 6 9 4 Ignite the Pilot and Main burners as detailed in sub paras 6 3 4 to 6 3 7 6 9 5 S...

Страница 9: ...arry out a complete functional test of the appliance in accordance with Commissioning Instructions at Sect 6 1 to 6 8 inclusive Replace any sealing gasket or insulation that is damaged before re commi...

Страница 10: ...Thermocouple lock nut from the Pilot Burner Assembly and Multifunctional Control and withdraw the Thermocouple taking care to avoid damage to the capillary 8 5 3 Release the Igniter electrode lock nut...

Страница 11: ...0 3 Disconnect terminals 21 to 33 from the Electronic module 8 10 4 Release the 2 x screws and nuts securing Electronic module to Electrical assembly and remove module 8 10 5 Refitting or replacement...

Страница 12: ...YSTEM E T models a When carrying out any electrical testing a test meter MUST be used since low resistance test devices can cause damage to the Electronics module b Before commencing defect diagnosis...

Страница 13: ...YSTEM E T models a When carrying out any electrical testing a test meter MUST be used since low resistance test devices can cause damage to the Electronics module b Before commencing defect diagnosis...

Страница 14: ...0 3 Disconnect terminals 21 to 33 from the Electronic module 8 10 4 Release the 2 x screws and nuts securing Electronic module to Electrical assembly and remove module 8 10 5 Refitting or replacement...

Страница 15: ...Thermocouple lock nut from the Pilot Burner Assembly and Multifunctional Control and withdraw the Thermocouple taking care to avoid damage to the capillary 8 5 3 Release the Igniter electrode lock nut...

Страница 16: ...arry out a complete functional test of the appliance in accordance with Commissioning Instructions at Sect 6 1 to 6 8 inclusive Replace any sealing gasket or insulation that is damaged before re commi...

Страница 17: ...s etc Outlet faces may require partial blanking in order to achieve this 6 9 3 Set the SUMMERAIRFLOW switch to O 6 9 4 Ignite the Pilot and Main burners as detailed in sub paras 6 3 4 to 6 3 7 6 9 5 S...

Страница 18: ...ch OFF the electrical supply to the air heater 6 8 3 Release the securing screw and hinge down the fan chamber door 6 8 4 Disconnect the air circulation fan as follows a System E T models disconnect t...

Страница 19: ...MAXIMUM 6 3 11 Ensure that the main burner has now ignited 6 3 12 Test for gas leakage at the supply Multifunctional control Pilot and Main burners using proprietary detection fluid and sealing any le...

Страница 20: ...door or windows or on an outside wall iii Where affected by warm air ducts diffusers waste pipes or the heater itself iv Where subject to vibration c Connect Thermista stat Room thermostat wires to c...

Страница 21: ...5 4 4 Apply a suitable mastic not provided to the spigot flanges and insert them into their respective apertures and seal them to the face of the SE duct wall 5 4 5 Position the larger rope ring seal...

Страница 22: ...he air filter front cover and the air circulation fan 5 1 2 Cut a hole in the chosen side of the fan compartment The knock outs will determine the size and position 5 1 3 Remove and the filter frame r...

Страница 23: ...ent must be not less than 75mm 3 in However if clearances are less than 75mm the internal surface of the compartment must be lined with non combustible material The compartment must be of a fixed rigi...

Страница 24: ...PARES HI SPECJ25SC KEY G CNo MFR SNo DESCRIPTION QTY 1 BOS02064SP Fan Assembly 1 2 T193 0145000 FilterAssembly 1 3 378466 BOS02031 Time Control 1 4 381627 1000 0701140 Multifunctional Control 1 5 2329...

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