Uninterruptible Power Supply (UPS) and air-cooling systems

UPS Topology Tip On-line double conversion according CEI EN 62040-3 VFI-SS-111 > 150%, 200ms For installation on IT Rack UPS output power 11-15-20 kVA (SW upgradable) Nominal input voltage 380V/400V/415V Input voltage range without battery discharge depending on load % 173-498 V Nominal input frequency 50/60 Hz Input frequency range 40-70 Hz Input power factor at full load (kw/kva) 0,99 THD at full linear load (THDI%) ≤3 % Nominal output voltage 380/400/415 or 220/230/240 V selectable at installation Inverter overload capacity at 25°C 105% for 60 min; 125% 5min; 150% for 1 min, > 150%, 200ms Double conversion efficiency 96,20% ECO Mode Efficiency 99% By-pass voltage tolerance -50 By-pass frequency tolerance +/-10% Battery blocks per string 24-40 Battery charger min. current 12 A Parallel connection of UPS Up to 4 units Noise at 1 m (dBA) ≤59 dBa Ventilation Face to back Protection IEC (60529) IP20 1.2 UPS configuration: UPS back-up time at 100% load 12 KW and PF =1 8 min. Battery type/service life AGM/10 years Battery voltage temperature compensation kit Included Room temperature and relative humidity sensor Included Ethernet interface for monitoring Protocol SNMP Sliding kit for UPS and battery YES By-pass Electronic and Manual Input POD Protection CB/Input/ Output/ Battery, By-pass switch Load power distribution YES Rack/Tower design delivered with rack mount: UPS/ input POD/ Load distribution dimension/Battery sets accessories 3U/3U/3U/6U(4U) General standards EN/IEC/AS 62040-1, EN/IEC/AS 62040-2, CEI EN 62040-3 VFI-SS-111

Cooling principle Direct expansion Expansion device Thermostatic valve Refrigerant R407C or analogous Mounting of indoor unit Ceiling mounting Mounting of outdoor unit Wall or Floor Main power supply 400/3N/50 (or similar) Compressor type/quantity scroll / 1 or analogous Piping length from indoor to outdoor unit Max. 50 m Vertical distance Max 20 m Operation temperature limits -30/+50°С Condenser fan Variable speed 1.2 Cooling unit configuration: Total cooling capacity 14 KW Indoor unit airflow Cold air direction vertical from top to bottom Hot air aspiration horizontal from selling level Outdoor sound pressure level Not more than 58 dBa Indoor sound pressure level ~ 63 dBa Protection switches Low and High pressure Temperature setpoint 23 Filter type/Efficiency Pleated/G4 or analogous Clogged filter pressure switch Yes Free-cooling option Yes / direct free cooling Ethernet interface for monitoring Protocol SNMP Display Yes Dry contacts Yes Fan type EC Filter spare yes 1.3 Requirements to supplier: Status of official distributor and service center of manufacturer in Republic of Moldova Copy of engineer certificate for installation, maintenance and repair of offered type equipment’s SLA 24/24 Stock of replacement spares Installation services and materials included in the offer(Need to intergrade with existing HVAC systems) Warranty – min. 24 months from installation date 1.4 Delivery and payment conditions: Delivery time: 4 weeks (after receiving 50% pre-payment) Delivery address: 78, 31 August 1989 str. Chisinau, Republic of Moldova, of. 310a Payment terms: 50% pre-payment and 50% final payment after delivery and acceptance of goods (payment conditions specified in the commercial contract) Price should be given excluding VAT