Worcester Greenstar Ri Compact ErP Installation, Commissioning And Servicing Instructions page 41

To clean the rear and middle channel of the heat exchanger
1. Orient the cleaning tool (2) as shown in figure 66 and insert the tool
into the rear or middle channels for cleaning.
2. Move the cleaning tool handle in an up and down motion, using the
front edge of the heat exchanger as a pivot, to clean the channel.
Fig. 66 Heat exchanger cleaning tool
To clean the front channel of the heat exchanger
3. Orient the cleaning tool (2) as shown in figure 67 and insert the tool
into the front channel for cleaning.
4. Move the cleaning tool handle in an up and down motion, using the
front edge of the heat exchanger as a pivot, to clean the channel.
▶ Use the brush to dislodge the debris and pour water down the
channels to flush out the debris.
Fig. 67 Cleaning the front channels
Greenstar Ri Compact ErP 6720813282 (2015/07)
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2.
1.
6720803800-03.1Wo
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4.
3.
On completion of the heat exchanger cleaning and re-
assembly, perform the fan pressure test as described in
section 7.5.2
Service and spares
41