Water Supply - Armstrong ERS-LC Series Manual

2.2 WATER SUPPLY

2.2.1 Recommendation
Our device is designed to be used with any following water type:
Tap water (according to Directive 98/83EEC),softened
water, use possible under conditions.Please contact
our services. A visual internal tank inspection is
highly recommend after 250 hrs. of total run time
when tap water is used.
Demineralized water, reverse osmosis water
The demineralized water is corrosive; use appropriate piping material: stainless steel, PVC.
Softened water: Its use is not recommended, but possible.
Water analysis is recommended to determine the level of sodium chloride.
Do not hesitate to contact our services for support.
An excess of sodium chloride may generate foam which disturbs the correct running of the humidifier.
It is essential to install a duplex softener.
Max. chloride content: 80 mg/L
2.2.2 Recommendations on connection
Network water pressure: The pressure must be stable and between 29 psi(2 bar) and 87psi (6 bar) MAX.
Network water temperature: < 104°F (40°C).
Please note that the water supply is connected at the lower part of the unit.
For easy maintenance, the water inlet valve is equipped with a filter strainer which should be checked periodically.
It is essential to install an isolation valve near the humidifier in order to facilitate maintenance.
OVERFLOW RISKS: It is recommended to install a collecting water tank under the humidifiers to
prevent overflow. This is essential if the unit is installed in false ceilings or above important rooms
(example: museum room, showroom, laboratory, etc.). Make sure the container is connected to the
wastewater system.
Designs, materials, weights and performance ratings are approximate and subject to change without notice. Visit armstronginternational.com for up-to-date information.
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Fig. 2-2: Humidifier water supply
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Flexible braided hose with
3/4" FF thread
Isolation valve
Water supply