Potterton Apollo, Инструкция по установке и обслуживанию

Страница: 44 / 60

44
14.0 Changing Components
© Baxi Heating UK Ltd 2012
14.15 Pressure Gauge (Figs. 90 & 91)
1. Drain the boiler primary circuit and remove the clip securing
the pressure gauge capillary.
2. Undo the screws securing the gauge retaining bracket to the
facia.
3. Fit the new gauge, ensuring that the capillary is routed to
prevent any sharp bends. Reassemble in reverse order.
14.16 DHW Flow Sensor (‘Hall Effect’ Sensor) (Fig. 92)
1. Pull the sensor off the DHW inlet manifold.
2. Disconnect the plug from the sensor and connect it to the
new component.
3. Fit the new sensor, ensuring it is fully engaged over the
manifold.
14.17 Safety Pressure Relief Valve (Fig. 93)
1. Drain the primary circuit.
2. Disconnect the discharge pipe from the valve. Pull off the clip
retaining the valve and withdraw it from the outlet assembly.
3. Fit the new valve and ‘O’ ring seal and reconnect the
discharge pipe.
Pressure Gauge
Gauge Retaining
Bracket
Fig. 90
Discharge Pipe
Clip
‘O’ Ring Seal
Pressure Relief
Valve
Discharge Pipe
DHW Flow Sensor
(‘Hall Effect’ Sensor)
Fig. 92
Fig. 93