XSol Diagnostic System

S-PLAN FAULT FINDING GUIDE

GLOBALLY REPLACED

Next: &1, *

NO FAULT FOUND

Next: nff

S-PLAN FAULT FINDING GUIDE

Next: &nff, !f183

NO HEAT OR HOT WATER

Next: &nff, f770

RADIATORS HEATING WITH NO DEMAND

Next: &nff, f587

HEATING OK - NO HOT WATER NOT VISITED

Next: &nff, f213

HOT WATER OK - NO HEATING NOT VISITED

Next: &nff, f271

HOT WATER TOO HOT

Next: &nff, f497

BOILER FIRING WITHOUT DEMAND BUT NEITHER HOT WATER OR HEATING GETTING HOT

Next: &nff, f897

SPLAN FF

Z DUMMY TO CLOSE

Next: End

SPLAN NO POWER TO PUMP - HOT WATER

FAULT IN WIRING TO PUMP

Next: End

SPLAN BOILER NOT FIRING - HOT WATER

BOILER

Next: End

NO SUPPLY TO HOT WATER VALVE

240V NO SUPPLY TO GREY

Next: End

NO SUPPLY TO GRAY - HEATING

240V NO SUPPLY TO GREY

Next: End

SPLAN NO POWER TO PUMP - HEATING

FAULT IN WIRING TO PUMP

Next: End

SPLAN BOILER NOT FIRING - HEATING

BOILER

Next: End

ON WITH NO DEMAND

FROST THERMOSTAT

Next: End

MAINS TO HW BROWN WIRE

S PLAN WIRING FAULT

Next: End

HW TO HOT

CYLINDER THERMOSTAT POSITION

Next: End

MAINS FUSE

3 AMP MAIN FUSE

Next: End

WIRING CENTRE TO TIMER FAULT

240V MAINS SUPPLY - TO TIMER

Next: End

TIMER FAULTY 2

Z DUMMY TO CLOSE

Next: End

NO VOLTAGE TO ROOM STAT WITH TIMER LINKED FOR ALL OFF

S-PLAN WIRING FAULT

Next: End

TIMER FAULTY 1

Z DUMMY TO CLOSE

Next: End

NO VOLTAGE TO CYL STAT WITH TIMER LINKED FOR ALL OFF

S-PLAN WIRING FAULT

Next: End

SPLAN BOILER NOT FIRING - CH AND HW

BOILER

Next: End

NO CH AND HW

240V NO SUPPLY TO GREY

Next: End

NO HOT WATER HEAT OK

SYNCHRON MOTOR

Next: End

NO HEAT HW OK

SYNCHRON MOTOR

Next: End

JAMMED - NO HW

SYNCHRON MOTOR

Next: End

JAMMED - NO HEATING

SYNCHRON MOTOR

Next: End

SPLAN NO HEATING - HOT WATER

SYNCHRON MOTOR

Next: End

SPLAN NO HEATING

SYNCHRON MOTOR

Next: End

SPLAN NO HEATING 2

TIMER

Next: End

NO HOT WATER

TIMER

Next: End

HEATING OK NO HOT WATER

MICROSWITCH

Next: End

HOT WATER OK NO HEATING

MICROSWITCH

Next: End

STUCK ON NO DEMAND - HEATING

MICROSWITCH

Next: End

STUCK ON NO DEMAND - HEATING - NO PERM

MICROSWITCH

Next: End

STUCK ON WITH NO DEMAND - HOT WATER - HAS PERM

MICROSWITCH

Next: End

SPLAN PUMP NOT RUNNING - HOT WATER

PUMP

Next: End

S-PLAN NOT HOT WATER

CYLINDER THERMOSTAT

Next: End

SPLAN PUMP NOT RUNNING - HEATING

PUMP

Next: End

SPLAN NO HEATING

ROOM THERMOSTAT

Next: End

SYSTEM FAULT HEATING

Next: End

SYSTEM FAULT HOT WATER

Next: End

BODY PASSING ON HOT WATER

ZONE VALVE BODY

Next: End

BODY PASSING ON HEATING

ZONE VALVE BODY

Next: End

HEATING WITH NO DEMAND

TIMER

Next: End

SPLAN NO HEATING

ZONE VALVE BODY

Next: End

HEAD JAMMED - HEATING

HEATING ZONE VALVE ACTUATOR

Next: End

WATER OK NO HEATING - ROOM STAT LINKED

S-PLAN WIRING FAULT

Next: End

HEATING OK NO WATER - CYL STAT LINKED OUT

S-PLAN WIRING FAULT

Next: End

SPLAN NO HEATING - HOT WATER

TIMER

Next: End

SPLAN NO HEATING

TIMER

Next: End

SHORT ON WIRE FROM SROST STAT

S-PLAN WIRING FAULT

Next: End

SYNCHRON MOTOR AND ROOM STAT

SYNCHRON MOTOR AND ROOM THERMOSTAT

Next: End

HOT WATER OK NO HEATING - POWER ON BROWN

ZONE VALVE BODY

Next: End

HOT WATER OK NO HEAT - BODY STUCK 2

ZONE VALVE BODY

Next: End

HOT WATER OK NO HEAT - NON RMV HEAD 2

ZONE VALVE JAMMED

Next: End

HEATING NON REMOVE HEAD - ON WITH NO DEMAND

ZONE VALVE JAMMED

Next: End

HEATING OK NO HOT WATER - NON RMV VALV1

ZONE VALVE BODY

Next: End

HEATING OK NO HOT WATER - NON RMV VALV1

ZONE VALVE JAMMED

Next: End

SYNCHRON MOTOR AND CYL STAT

SYNCHRON MOTOR AND CYLINDER THERMOSTAT

Next: End

HEATING OK NO HOT WATER - NON RMV VALV2

ZONE VALVE BODY

Next: End

HEAD JAMMED HOT WATER

HOT WATER ZONE VALVE ACTUATOR

Next: End

BODY STUCK HOT WATER

ZONE VALVE BODY

Next: End

HW NON REMOVE HEAD - ON WITH NO DEMAND

ZONE VALVE JAMMED

Next: End

HOT WATER WITH NO DEMAND

TIMER

Next: End

HOT WATER TO HOT

CYLINDER THERMOSTAT

Next: End

NEITHER DEMAND WORKING

POWER SUPPLY (EXTERNAL)

Next: End

NO HEAT OR HOT WATER

TIMER

Next: End

NO HEAT OR HOT WATER

S-PLAN WIRING FAULT - TIMER TO WIRING CENTRE

Next: End

ALL OFF

ROOM THERMOSTAT

Next: End

ALL OFF - ROOM STAT LINKED

S-PLAN WIRING FAULT

Next: End

SYNCRON AND ROOM STAT FOR ALL OFF

SYNCHRON MOTOR AND ROOM THERMOSTAT

Next: End

ALL OFF - BODY STUCK 2

ZONE VALVE BODY

Next: End

ALL OFF - BODY STUCK2

ZONE VALVE JAMMED

Next: End

ALL OFF

CYLINDER THERMOSTAT

Next: End

ALL OFF - CYL STAT LINKED OUT

S-PLAN WIRING FAULT

Next: End

SYNCHRON MOTOR AND CYL STAT FOR ALL OFF

SYNCHRON MOTOR AND CYLINDER THERMOSTAT

Next: End

ALL OFF - BODY STUCK 1

ZONE VALVE BODY

Next: End

ALL OFF - BODY STUCK1

ZONE VALVE JAMMED

Next: End

HW AND CH NOT RUNNING

PUMP

Next: End

CH AND HW

FAULT IN WIRING TO PUMP

Next: End

SYSTEM FAULT CH AND HW

Next: End

NO HOT WATER MOTOR OK

S PLAN WIRING FAULT

Next: End

NO HEAT HW OK

S PLAN WIRING FAULT

Next: End

HEATING OK NO HOT WATER - NON RMV VALV2

ZONE VALVE JAMMED

Next: End

HOT WATER OK NO HEATING - NON REMV HEAD

ZONE VALVE JAMMED

Next: End

HEAD JAMMED HOT WATER 2

HOT WATER ZONE VALVE ACTUATOR

Next: End

HEAD JAMMED - HEATING 2

HEATING ZONE VALVE ACTUATOR

Next: End

NO VOLTAGE TO CYL STAT WITH TIMER LINKED

S-PLAN WIRING FAULT

Next: End

HEAT OK - NO HW

TIMER AND SYNCHRON MOTOR

Next: End

NO VOLTAGE TO ROOM STAT WITH TIMER LINKED

S-PLAN WIRING FAULT

Next: End

HW OK - NO HEATING

TIMER AND SYNCHRON MOTOR

Next: End

HEAT OK - NO HW

TIMER & ZONE VALVE BODY

Next: End

HEAT OK - NO HW

TIMER & ZONE VALVE JAMMED

Next: End

HOT WATER OK NO HEAT

TIMER & ZONE VALVE JAMMED

Next: End

HOT WATER OK NO HEAT

TIMER & ZONE VALVE BODY

Next: End

HOT WATER ON WITH NO DEMAND

TIMER

Next: End

STUCK ON WITH NO DEMAND

BOILER

Next: End

MICROSWITCH FAULTY - HOT WATER

HOT WATER ZONE VALVE ACTUATOR

Next: End

MICROSWITCH FAULTY - HEATING

HEATING ZONE VALVE ACTUATOR

Next: End

MICROSWITCH STUCK ON WITH NO DEMAND

HEATING ZONE VALVE ACTUATOR

Next: End

MICROSWITCH STUCK - HOT WATER ON WITH NO DEMAND

HOT WATER ZONE VALVE ACTUATOR

Next: End

MICROSWITCH STUCK - HOT WATER ON WITH NO DEMAND 2

HOT WATER ZONE VALVE ACTUATOR

Next: End

VOLTAGE STILL NOT PRESENT AT BROWN WIRE

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: !p646

VOLTAGE OK BUT VALVE NOT MOVING

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: p737

VOLTAGE OK BUT VALVE NOT MOVING

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: p714

VOLTAGE STILL NOT PRESENT AT BROWN WIRE

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: !p645

HEAD SPRINGS BACK WHEN REMOVED

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS)

Next: !p628

VALVE HEAD IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS)

Next: !p720

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p710

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: p855

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p716

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p718

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p739

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p741

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p746

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: p852

HOT WATER VALVE IS NOT CLOSED WITH NO HW DEMAND

CHARACTERISTIC TEST FROM IS HOT WATER COMMING ON ALL TIME OR ONLY WITH HEATING DEMAND

Next: p758

HOT WATER VALVE CLOSED AND CYLINDER CIRCS REMAIN COOL WITH CH DEMAND

CHARACTERISTIC TEST FROM IS HOT WATER COMMING ON ALL TIME OR ONLY WITH HEATING DEMAND

Next: p757

HEAD SPRINGS BACK WHEN REMOVED

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS)

Next: !p763

VALVE HEAD IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS)

Next: !p765

NEITHER VALVE OPENS

CHARACTERISTIC TEST FROM LINK OUT TIMER - BOTH

Next: !p783

HEATING VALVE OPENS BUT HOT WATER VALVE REMAINS CLOSED

CHARACTERISTIC TEST FROM LINK OUT TIMER - BOTH

Next: p785

HOT WATER VALVE OPENS BUT HEATING REMAINS CLOSED

CHARACTERISTIC TEST FROM LINK OUT TIMER - BOTH

Next: p787

VOLTAGE OK BUT VALVE NOT MOVING

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: p795

VOLTAGE STILL NOT PRESENT AT BROWN WIRE

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: !p797

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p800

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p802

VOLTAGE OK BUT VALVE NOT MOVING

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: p810

VOLTAGE STILL NOT PRESENT AT BROWN WIRE

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: !p812

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p815

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p817

VOLTAGE STILL NOT PRESENT AT BROWN WIRE

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: !p874

VOLTAGE OK BUT VALVE NOT MOVING

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: p876

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p892

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p893

VOLTAGE OK BUT VALVE NOT MOVING

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: p884

VOLTAGE STILL NOT PRESENT AT BROWN WIRE

CHARACTERISTIC TEST FROM LINK OUT CYLINDER THERMOSTAT

Next: !p886

VALVE SPINDLE IS STUCK

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p896

HEAD OF THE VALVE IS NOT REMOVEABLE

CHARACTERISTIC TEST FROM REMOVE HEAD FROM VALVE (IF POSS) CHECK SPINDLE

Next: !p895

14/12/2020 09:59:14 2011_1_50_1 04/01/2021 14:12:40

14/12/2020 16:41:14

Next: End

HOT WATER ZONE VALVE OPERATION

LOCATE AND IDENTIFY

Next: p214, f215

VOLTAGE ON BROWN WIRE

IDENTIFY THE HOT WATER ZONE VALVE ELECTRICAL LEAD AND TERMINAL CONNECTIONS USED

Next: p832, f217

VOLTAGE CYLINDER THERMOSTAT COMMON

SET THE CYLINDER THERMOSTAT TO ITS MAXIMUM POSITION
REMOVE COVER FROM CYLINDER THERMOSTAT

Next: p218, f655

VOLTAGE ON GREY WIRE

LOCATE THE GREY WIRES IN THE WIRING CENTRE

Next: p869, !f336

VOLTAGE TO PUMP

REMOVE COVER FROM THE PUMP WIRING BOX.

Next: !p234, !f235

HEATING ZONE VALVE OPERATION

LOCATE AND IDENTIFY

Next: p341, f354

VOLTAGE ON GREY WIRE

LOCATE THE GREY WIRES IN THE WIRING CENTRE

Next: p866, !f345

VOLTAGE TO PUMP

REMOVE COVER FROM THE PUMP WIRING BOX.

Next: !p348, !f349

VOLTAGE ON BROWN WIRE

IDENTIFY THE HEATING ZONE VALVE ELECTRICAL LEAD AND TERMINAL CONNECTIONS USED

Next: p842, f356

VOLTAGE ROOM THERMOSTAT COMMON

REMOVE COVER FROM THE ROOM THERMOSTAT

Next: p357, f658

HOT WATER GETTING TOO HOT

Next: !p498, ?754, ?756

ISOLATE POWER AND LOOK FOR VALVE SPRING BACK

Next: p610, f579

REMOVE HEAD FROM VALVE

Next: !p631, ?627, ?629

HEATING COMING WITH HOT WATER DEMAND

Next: !p606, f557

FROST THERMOSTAT CHECK

{ALLDEMANDOFF}
AS

Next: !p662, !f614

DISCONNECT HEATING VALVE ORANGE

DISCONNECT AND MAKE SAFE THE ORANGE WIRE FROM THE HEATING ZONE VALVE IN THE WIRING CENTRE

Next: p902, f913

LINK OUT TIMER - HOT WATER

REMOVE THE PROGRAMME

Next: !p656, ?873, ?875

LINK OUT TIMER - HEATING

REMOVE THE PROGRAMME

Next: !p659, ?883, ?885

REMOVE HEAD FROM VALVE

Next: !p761, ?762, ?764

OBSERVATION ZONE VALVES-NO CH AND HW OPERATION

LOCATE AND IDENTIFY

Next: p771, f773

MAINS POWER INTO SYSTEM

GAIN ACCESS TO THE MAINS INPUT CONNECTIONS IN THE WIRING CENTER
IDENTIFY THE MAIN LIVE TERMINAL

Next: p774, f775

RESISTANCE 3AMP FUSE

REMOVE FUSE FROM FUSED SPUR

Next: !p776, !f777

VOLTAGE TO PUMP - CH AND HW

REMOVE COVER FROM THE PUMP WIRING BOX.

Next: !p820, f822

VOLTAGE ON ORANGE WIRE - NO CH AND HW

LOCATE THE ORANGE WIRES IN THE WIRING CENTRE

Next: !p825, !f830

RESISTANCE SYNCHRON MOTOR

REMOVE THE COVER FROM THE VALVE
REMOVE THE SYNCHRON MOTOR FROM THE VALVE

Next: !p840, !f841

RESISTANCE SYNCHRON MOTOR

REMOVE THE COVER FROM THE VALVE
REMOVE THE SYNCHRON MOTOR FROM THE VALVE

Next: !p850, !f851

REMOVE TIMER

{ALLDEMANDOFF}
RE

Next: !p901, f640

RESISTANCE END FEED MICROSWITCH - HEATING

NOTE: THIS TE

Next: !p914, !f915

RESISTANCE END FEED MICROSWITCH - HOT WATER

NOTE: THIS TE

Next: !p917, !f918

RESISTANCE END FEED MICROSWITCH - HOT WATER

NOTE: THIS TE

Next: !p920, !f921

VOLTAGE ON ORANGE WIRE

LOCATE THE ORANGE WIRES IN THE WIRING CENTRE

Next: p228, f229

LINK OUT CYLINDER THERMOSTAT

PLACE A LINK BETWEEN

Next: !p313, ?524, ?526

PUMP RUNNING - HOT WATER

IF POSSIBLE REMOVE T

Next: p232, f233

BOILER RUNNING

Next: !p397, !f237

VOLTAGE ON ORANGE WIRE

LOCATE THE ORANGE WIRES IN THE WIRING CENTRE

Next: p342, f343

PUMP RUNNING - NO HEATING

IF POSSIBLE REMOVE T

Next: p346, f347

BOILER RUNNING

Next: !p394, !f351

LINK OUT ROOM THERMOSTAT

PLACE A WIRE LINK BE

Next: !p363, ?529, ?531

REMOVE TIMER

{ALLDEMANDOFF}
RE

Next: !p611, f612

REMOVE HEAD FROM VALVE

Next: p861, ?709, ?711

REMOVE HEAD FROM VALVE

Next: !p7, ?715, ?717

REMOVE HEAD FROM VALVE

Next: !p742, ?738, ?740

REMOVE HEAD FROM VALVE

Next: p858, ?745, ?747

INSPECTION CYLINDER THERMOSTAT

LOCATE CYLINDER THERMOSTAT

Next: !p768, !f769

ISOLATE POWER AND LOOK FOR VALVE SPRING BACK

{ALLDEMANDOFF}

Next: p759, f760

HOT WATER RESPONDS TO TIMER

{ALLDEMANDOFF}
RE

Next: !p766, !f767

PUMP RUNNING - NO CH AND HW

IF POSSIBLE REMOVE T

Next: p818, f819

MAINS SUPPLY TO TIMER

REMOVE THE PROGRAMMER FROM ITS BACKPLATE.

Next: p778, !f779

LINK OUT TIMER

REMOVE THE PROGRAMME

Next: !p780, ?782, ?784, ?786

TIMER FAULTY

Next: p803, !f804

TIMER FAULTY

Next: p788, !f789

VOLTAGE ROOM THERMOSTAT COMMON

REMOVE COVER FROM THE ROOM THERMOSTAT

Next: p790, !f791

LINK OUT ROOM THERMOSTAT

PLACE A WIRE LINK BE

Next: !p792, ?794, ?796

REMOVE HEAD FROM VALVE

Next: !p798, ?799, ?801

VOLTAGE CYLINDER THERMOSTAT COMMON

SET THE CYLINDER THERMOSTAT TO ITS MAXIMUM POSITION
REMOVE COVER FROM CYLINDER THERMOSTAT

Next: p805, !f806

LINK OUT CYLINDER THERMOSTAT

PLACE A LINK BETWEEN

Next: !p807, ?809, ?811

REMOVE HEAD FROM VALVE

Next: !p813, ?814, ?816

BOILER RUNNING - NO CH AND HW

Next: !p831, !f824

RESISTANCE BROWN WIRE TO BLUE - HW

IDENTIFY THE HOT WATER ZONE VALVE ELECTRICAL LEAD AND TERMINAL CONNECTIONS USED

Next: p744, f839

RESISTANCE BROWN WIRE TO BLUE - HEATING

IDENTIFY THE HEATING ZONE VALVE ELECTRICAL LEAD AND TERMINAL CONNECTIONS USED

Next: p707, f849

MECHANICAL CHECK SYNCHRON MOTOR

REMOVE THE COVER FROM THE VALVE
REMOVE THE SYNCHRON MOTOR FROM THE VALVE

Next: !p853, !f854

MECHANICAL CHECK SYNCHRON MOTOR

REMOVE THE COVER FROM THE VALVE
REMOVE THE SYNCHRON MOTOR FROM THE VALVE

Next: !p856, !f857

MECHANICAL CHECK SYNCHRON MOTOR

REMOVE THE COVER FROM THE VALVE
REMOVE THE SYNCHRON MOTOR FROM THE VALVE

Next: !p864, !f860

MECHANICAL CHECK SYNCHRON MOTOR

REMOVE THE COVER FROM THE VALVE
REMOVE THE SYNCHRON MOTOR FROM THE VALVE

Next: !p865, !f863

VOLTAGE ON BROWN WIRE

IDENTIFY THE HEATING ZONE VALVE ELECTRICAL LEAD AND TERMINAL CONNECTIONS USED

Next: p910, !f868

VOLTAGE ON BROWN WIRE

IDENTIFY THE HOT WATER ZONE VALVE ELECTRICAL LEAD AND TERMINAL CONNECTIONS USED

Next: p907, !f871

REMOVE HEAD FROM VALVE

Next: !p877, ?878, ?880

REMOVE HEAD FROM VALVE

Next: !p887, ?888, ?890

OBSERVATION DOES BOILER HAVE PERMANENT SUPPLY

Next: p903, f916

DISCONNECT HOT WATER VALVE ORANGE - DOES DEMAND STOP

DISCONNECT AND MAKE SAFE THE ORANGE WIRE FROM THE HOT WATER ZONE VALVE IN THE WIRING CENTRE

Next: !p905, f919

RESISTANCE END FEED MICROSWITCH - HOT WATER

NOTE: THIS TE

Next: !p908, !f909

RESISTANCE END FEED MICROSWITCH - HEATING

NOTE: THIS TE

Next: !p911, !f912

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