6 720 611 447 GB (03.11)
22
Commissioning
5 Commissioning
Fig. 30
8.1 Pressure gauge
15 Safety valve
27 Automatic vent
61 Reset button
135 Master switch
136 Temperature control for central heating
170 Service cocks on CH flow and return
171 Hot water
172 Gas cock (shown in off position)
173 Cold water service cock
295 Appliance type sticker
310 Temperature control for hot water
317 Multi function display
358 Condensation trap
363 Indicator lamp for burner
364 Indicator lamp for power supply
365 “Chimney sweep” button
366 Service button
367 ECO button
400 Text display
5.1 Commissioning
Benchmark Water Treatment: For optimum perform-
ance after installation, this boiler and its associated cen-
tral heating system should be flushed in accordance
with the guidelines given in BS7593:1992 - Treatment
of water in domestic hot water systems. Full instructions
are supplied with proprietary cleansers sold for this pur-
pose. If an inhibitor is to be used after flushing, it should
be used in accordance with the inhibitor manufacturers
instructions.
To drain the appliance shut the system valves and open
the system drain point.
Suitable flushing agents and inhibitors are available
from Betz-Dearborn Tel: 0151-4209563, Fernox Tel:
01799-550811 and Salamandor on 0121 378 0952.
Instructions for use are supplied with the these
products.
.
nn
ECO
364
135
295
E
8.1
365
61
317 366 367
310
136
363
400
15
27
358
6 720 610 597 - 05.1O
170
171
173
170
172
Never run the appliance when empty or
unpressurised.
i
The operational CO
2
level is set at the fac-
tory and no adjustment is necessary when
installing a natural gas fired appliance.
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