Bosch CONDENS 5000W - 5 Commissioning; Pre-Commissioning Checks

Commissioning
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Bosch Condens 5000W – 6 720 646 195 (2018/10)
5 Commissioning
5.1 Pre-commissioning checks
CAUTION:
Risk of electric shock!
▶ Isolate electrical components from the power supply (230 V AC)
(fuse, circuit breaker) and secure against unintentional re-
connection before carrying out any work and observe all relevant
safety precautions.
▶ Check that the service and water pipes are connected to the correct
position on the manifold.
Refer to figure 52.
Ensure that the washers have been fitted to the water connections and
the bonded washer to the gas connection on the manifold.
1. CH flow ¾ inch BSP thread
2. Gas inlet ¾ inch BSP thread
3. CH return ¾ inch BSP thread
▶ Check that the PRV adapter is fitted [1]
Fig. 52 Pipe fittings check
Refer to figure 53.
▶ Check the gas type specified on the identification plate [1], on the
inside of the combustion chamber, matches that of the gas supply.
Fig. 53 Identification plate
Gas supply pipe work tightness check
▶ Turn on the main gas supply, check the gas pipe work connections
and rectify any leaks.
Refer to figure 54.
▶ Check that the condensate discharge pipe [1] has been connected to
the syphon.
Fig. 54 Condensate discharge pipe check
Refer to figure 55.
▶ Check pressure relief drain pipe [1] is correctly fitted and securely
tightened.
Fig. 55 Pressure relief drain pipe connection check
NOTICE:
If the appliance is not to be commissioned immediately then, after
successfully completing all of the checks and any rectification work:
▶ Isolate the electricity supply.
▶ Isolate the gas supply.
▶ Close the shut-off valve for the cold water inlet.
▶ Close the water shut-off valves to the appliance.
▶ Label appropriately.
6720646195-14.1Wo
1
1.
2.
3.
1
6720643895-113.1Wo
6720644743-21.1Wo
1
6720644743-22.1Wo
4