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Water Connections; Gas Connection; Appliance Performance - Bosch GWI-N Series Training And Service Information

Fan pressurized instantaneous gas water heater for indoor and outdoor installation
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3.2

Water connections

Requisite
Water pipes were cleaned before
connected to the appliance?
Leakage test was done
successfully?
Inlet water filter was checked and is
cleaned, ensuring the necessary
water flow?
Accessories for water connections
are adequate?
Water pressure and flow are
according to the appliance
specifications?
3.3

Gas connection

The appliance is suitable for the available gas type?
Pressure reducer and gas pipe are adequate for the required pressure and
gas flow?
Accessories for gas connection are adequate and according to the country
specification/standards?
Pict. 7 – Manometer pipe connection to measure static/dynamic gas supply pressure
3.4

Appliance performance

Measure water flow and temperature increase to check temperature and instantaneous water flow, assuring
correct operation of the appliance.
Page 7 from 76
Observations
- Nominal pressure: 300 - 700 kPa
- Minimum pressure: 100 kPa
- Maximum pressure: 1000kPa
Table 5 – Check list hydraulic connections
Requisite
Table 6 – Check list for gas connections
Gas
manometer
6 720 814 719 SM FP_Australia 2017/04 EN
Confirmation
Confirmation
(showing indoor version)

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