Specifications

TM031 Integrity 24L Service Instructions REV: A

D.O.I: 30/10/2007

This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”

Ignition Pack Replacement: (Procedure 12)

1. Remove the front panel, Burner Change Over Assembly, Combustion Chamber Front

Panel Assembly, Lower Burner Assembly and Upper Burner Assembly. Refer to

Procedures 1, 2, 3, 4 and 5.

2. Disconnect high voltage lead from spark electrode.

3. Disconnect the multi pin connector from the Ignition Pack.

4. Remove the retaining screw.

5. Remove the Ignition Pack.

6. Reassemble in reverse order of above being careful not to pinch or damage wiring

when replacing Upper Burner Assembly. Replace gaskets (item numbers 105 and 108)

if required.

7. Test for gas leaks using soapy water solution.

Flow Sensor: (Procedure 13)

Note: When a flow sensor is installed as a spare part in an 871024, 871024-B or 875024-B

model heater other interconnecting components will also require replacing. Refer to

‘Product Changes’ on page 10 and ‘Parts Replacement Scenarios’ on page 11 for more

information.

1. Isolate cold water supply.

2. Remove the front panel. Refer to Procedure 1.

3. Disconnect the multi-pin plug to the flow sensor.

4. Remove 2 Philips head retaining screws.

5. Remove Flow Sensor (Note: Water may escape during this procedure).

6. Reassemble in reverse order of above.

Bypass Solenoid: (Procedure 14)

Note: Only models with a -B or -C suffix in the model number are fitted with a bypass

solenoid e.g. 871024NF-B.

The bypass solenoid is only available as part of the water body assembly. Follow

procedure 7.

Thermistors: (Procedure 15)

Note: When a thermistor(s) is installed as a spare part in an 871024, 871024-B or 875024-

B model heater other interconnecting components will also require replacing. Refer to

‘Product Changes’ on page

10 and ‘Parts Replacement Scenarios’ on page 11 for more

information.

1. Remove the front Panel. Refer to Procedure 1.

2. Relieve water pressure through a hot tap.

3. Locate the Thermistor requiring replacement.

4. Disconnect the multi-pin plug from the Thermistor.

5. Remove the retaining screws and withdraw the thermistor taking care not to damage

the o’ring (Note: With the exception of the Ambient Air Thermistor, water may escape

during this procedure).

6. Reassemble in reverse order of above.