DriSteem Vapor-Logic Instalační příručka stáhnout pdf (Strana 25)

DRI-STEEM GTS Humidifier Installation, Operation, and Maintenance Manual • Page 23

Water supply piping general instructions

The GTS humidifier has a 1" (25 mm) internal air gap to prevent

back siphoning into a potable water system. However, some

governing codes may require additional protection such as a

vacuum breaker or backflow preventer.

The supply water pressure range must be 25 psi to 80 psi (172 kPa

to 552 kPa). When nonmetallic water piping is used, it must be

rated to withstand 212 °F (100 °C) or greater temperature. If not,

the final three feet of piping connected to the humidifier should be

metallic and should not be insulated.

GTS (standard water) water supply piping

The water supply assembly has a 3/8" pipe thread (DN10)

connection. Since the primary component of the water supply

assembly is a solenoid valve, there may be noise issues that surface

during a fill cycle.

During a fill cycle, the supply water drops the water temperature in

the tank and may collapse the steam, which can cause a low rolling

sound. To diminish this, adjust the factory-supplied needle valve

(installed prior to the fill valve) to decrease the water fill rate, and/

or use hot supply water.

In cases where water hammer occurs when the fill solenoid closes,

a shock arrester is recommended. Reducing the supply water

pressure (minimum 25 psi [172 kPa]) or using flexible tubing (rated

for 212 °F [100 °C] minimum continuous operating temperature)

may diminish the noise, but installing a shock arrester is the best

solution.

The minimum water conductivity for the GTS standard water

model is 100 µS/cm.

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DriSteem Vapor-Logic Instalační příručka Strana 25