Specifications

109
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
GENERAL
Indoor units & outdoor units shall be factory assembled, tested and filled with first charge of R 410A refrigerant only before
delivering at site & should be suitable for operation on 380V- 415V, 3 Phase, 50 Hz AC electric supply.
Units should be air cooled type, Inverter Technology based variable refrigerant flow type air conditioner consisting of
outdoor units and multiple indoor units, each suitable to cool in summer as per the requirements.
All proposed out door unit should have minimum Coefficient of Performance (COP) at 39
0
C DB outdoor condition 19
0
C
WB conditions of 3.7 at 100% load & 4.2 at 50% load condition respectively for Cooling Operation.
The inverter technology based VRF equipment should be capable enough, so that the refrigerant piping between indoor
and outdoor unit shall be extendable upto 1000m with maximum height difference between outdoor & indoor unit of 110m
& level difference between two indoor unit maximum up to 40m. The equipment also should have the capacity to cater
total piping length of 1000m.
Outdoor Unit
The outdoor unit shall be a factory assembled unit housed in a sturdy weather proof casing constructed form rust-proofed
mild steel panels coated with a baked enamel finish. The unit should be completely factory wired tested with all necessary
controls. It should be Air Cooled type with Top Air discharge, with liquid Injection system, BLDC motors.
The System must have the following features:
¾ All outdoor units shall have Inverter scroll compressors and be able to operate even in case one of compressor is
out of order in case in multiple compressors unit.