Commissioning - Bosch WORCESTER GREENSTAR HE ZB 7-27 Manual

5

Commissioning

136 365
364
135
295
170
171
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 on position)
173 Cold water service cock
295 Appliance type sticker
310 Temperature control for hot water
317 Multifunction display
358 Condensate trap
363 Indicator lamp for burner
364 Indicator lamp for power supply
365 "Chimney sweep" button
366 Service button
367 ECO button
419 Hose from automatic vent
6 720 610 596 GB (01.07)
61
317 366 367
ECO
E
172
358
363
310
170
173
5.1 Commissioning
Never run the appliance when empty or
unpressurised.
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 pressure relief valve.
Suitable flushing agents and inhibitors are available
from Betz/Dearborn Tel.: 0151 4209563 and Fernox
Tel.: 01799 550811. Instructions for use are supplied
with the these products.
y Before commissioning, the gas supply pressure must
be tested (see page 29).
Commissioning
27
419
8.1
15
6 720 610 576-07.1O
23