PHILIPS HI905
Service Manual

PARTS LIST + DISASSEMBLY ADVICE BOILER
Parts list boiler N.B. Before assembling the pressostat, clean the surface between boiler and pressostat carefully. Always replace the sealing ring 102, which is supplied free when ordering the elctrovalve 48. After assembling the pressostat always test the product. The adjustment of the pressostat has been secured with Loctite or similar glue. Never try to readjust the pressostat.

pos 31 32 33 34.1 34.2 35 36 37 38 39 40 41 42 43 44 45

description safety cap spanner cap with safety valve + sealing ring 46 screw cap ON / OFF switch 220 - 240 V pilot lights HI 905 inlay printed HI 901 inlay printed HI 905 rest studs + studs upper housing sealing ring buffer boiler complete boiler thermostat safety thermostat lower housing grommet cordset EURO cordset Italy cordset UK sealing ring safety valve 32 cover electro valve + sealing ring 101 pressostat + sealing ring 102

service code 4822 395 50454 4822 462 11006 4822 462 72001 4822 276 13929 4822 134 10108 4822 442 01183 4822 442 01184 4822 458 10543 4822 441 12085 4822 466 62475 4822 462 71999 4822 218 11798 4822 282 30244 4822 282 10324 4822 441 12086 4822 325 10212 4822 321 11031 4822 321 11029 4822 321 11376 4822 532 12911 4822 441 80994 4822 310 11103 4822 310 11104

ADJUSTMENT AND CONTROLS Pressostat 50 The pressostat ( 49 ) fixed to the boiler ( 40 ) has already been adjusted. The adjustment has been secured by glue. To avoid dangerous situations, NEVER readjust the pressostat which has already been fixed to the boiler. After replacement of the pressostat , the pressostat MUST be adjusted. To adjust the pressostat, the following adjustment procedure must be followed � The boiler is filled with water. � Instead of CAP 32, a manometer is screwed on to the boiler. � The product is switched on and the boiler pressure is set to 2.0 - 2.2 Bar.

� When this level has been reached, adjust the set screw of the
pressostat so that the contacts are just open.

46 47 48 49

� Switch off the product and let it cool down to room temperature. � After cooling down, switch the product on again and check if the
pressure is still between the limits 2.0 - 2.2 Bar. � Secure the set screw with Loctite or similar glue. N.B. IN CASE NO MANOMETER IS AVAILABLE, ALWAYS REPLACE THE COMPLETE BOILER ( 40 ). NOTES � When the thermal fuse is open, the boiler has been subjected to too high temperatures. In that case, the complete boiler must be replaced for safety reasons. � To avoid leakage of the sealings and damage to the components in and on the boiler, Never clean the boiler with vinegar, a descaling agent or other chemicals � The boiler body doesn�t contain serviceable parts. Never disassemble the body of the boiler. � When the safety valve 32 has been activated, the complete product has to be replaced. � After the product has been repaired, it should function properly and has to meet the safety requirements as laid down and officially established at this moment.
Boiler
Safety Boiler

Parts with numbers from 100 and higher, cannot be ordered separately.
Disassembly advice boiler

SWITCH 34.1 PILOT LIGHT 34.2 SEALING RING 38
remove CAP 33 remove SCREW E 1x remove INLAY 35

SAFETY THERMOSTAT 42
remove CAP 33 remove SCREW E 1x remove remove remove remove remove remove remove INLAY 35 WIRING SWITCHES SCREW G WIRING HOSE 19 WIRING CORDSET 45 CLAMP 24 SCREW F 4x

2 1

BOILER 40 PRESSOSTAT 49 HOSE 19 GROMMET 44 CORDSET 45
remove remove unplug remove SCREW G COVER 47 WIRING HOSE 19 SCREW CORDCLAMPING remove CLAMP 24

BOILER THERMOSTAT 41 ELECTROVALVE 48
remove remove remove remove remove remove remove remove remove lift remove CAP 33 SCREW E 1x INLAY 35 WIRING SWITCHES SCREW G WIRING HOSE 19 WIRING CORDSET

cut out Thermostat

Steamvalve

remove CLAMP 24 SCREW F 4x SCREW J 3x PRESSOSTAT 49 ELECTRO VALVE 48

Only for HI 905

Therm. fuse

To Iron

Prestostat

P