Specifications

148
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
humidifier capacity 5 kg/hr with 3 phase electrodes having function of auto drain and proportional control for capacity
complete with steam supply and water drain hose pipe.
2.1 De-Humidification
• De- Humidification to be achieved by controlling the evaporator fan speed.
De- humidification done via split coil and solenoid valve is an out dated practice and not recommended for the latest
generation Precision units.
2.2 Filtration
• Filtration level should be of 90% - 10 microns. Filter should be of HDPE media & washable type. Filters with
combustible/dry disposable media are strictly not accepted.
2.3 Electrical Panel
Control cabinet to be provided with Type 2 enclosure, with grounding lug, combination magnetic starters with overload
relays, circuit breakers and cover interlock, and fusible control circuit transformer.
• The electric panel provided for the unit must be equipped with main incoming power isolation switch, additionally the
unit must be provided with under voltage / over voltage / phase reversal / single phasing protection, all three phase
motors must be operated only via 24V coil voltage contactors and MPCB’s, additionally step down transformer must be
provided for power supply to the unit controller. The electrical panel must also be providing with relay block for
common alarm.
2.4 Air Cooled Condenser
• The condensers shall be factory matched to provide an operating range of (-) 5 °C to 45°C ambient. Condensers shall
be suitable for 24 hour operation and be capable of providing vertical or horizontal discharge. The condenser frame
shall be constructed from heavy duty steel with powder coating to avoid corrosion and incorporate a copper tube and
aluminium fin coil. The coil shall be a maximum of 6 rows deep, with a minimum fin spacing of 2.0 mm with a