PRECISION AIR CONDITIONING UNITS DX TYPE UNITS WITH EC FAN MOTORS and DIGITAL SCROLL COMPRESSORS

HVAC Supply,loading unloading lifting, installation, commissioning and testing of High Precision package type DX air cooled unit with top/ side discharge, air cooled condenser with fan and motor, with filter section, EC motor with plug type axial fan, air cooled condenser coil with anti corrosive paint, twin scroll compressor motor set with R 407C/R 410A refrigerant, condensate drain pan, in built data logger, power monitor relay, liquid receiver, thermostatic expansion valve, vibration absorber for compressor, HP/ LP cutouts, Water detector sensor, fire tripping relay, in built auto sequencing program, micro processor panel, digital display, programmable control and recording unit, alpha numeric display, function keys, cursor keys, free programmable keys, multi color LEDs, Humidifier, Heater, battery back up supply at 24 V/ 50 cycles/sec etc. The unit shall be suitable for operation on 415 V, 3 phase supply. The display panel shall display date, time, actual & set values, fault timing values,. Controls shall be suitable for linking to Building Automation System Modbus open protocol.

Capacity 28 KW (8 TR) temperaure 20 +/- 0.8 deg C, Relaitve humidity 50% +/- 5% RH.

MS painted pedestal for both outdoor & Indoor Units

Supply and laying of 18/19G copper refrigeration piping with all fittings should be long bend (no elbow) with proper insulations, supports, nylon tape wrapping etc

34.9 mm copper pipe

22.2 mm copper pipe

Supply and laying of copper conductor cable from main panel to control panel as required.

Supply and laying of copper conductor power cable between indoor and outdoor as required

Supply and laying of copper conductor communication cable between units for sequencing as required.

Supply and laying of GI ducting, complete with anchor fasteners and GI supports, bracings as required, nut, bolt & gasket etc

22 G ducting:

Supply and installation of powder coated Aluminium Supply air grills and return air outlets:

Supply air grille with damper

Return air grille with motorized damper

Supply and installation of powder coated Aluminium fresh air damper and cowl:

Supply and installation of fusible link type fire damper: Frames 18 G Aluminium Louvres 20 G Aluminium

Supply and laying of fresh water and drain piping for the units with nitrile rubber insulation , with PVC piping of 4 Kg rating, complete with bends, fittings and supports

25 NB (Drain)

Supply and fixing of Perforated Cable tray with cover with horizontal & vertical bends, reducers, Tee's, cross over , suitable supports and brackets and other accessories as required confirming to IEC-61537. The Tray shall be galvanized for corrosion protection confirming to DIN EN 10346 / ISO 1461 .The trays should be tested for a safe working load of 150 Kgs with a span distance of 1.5 meters and the deflection should be within the limits as per standard. The safety factor shall be 1.7 times of the safe working load. The perforated tray shall be supplied with the standard length of 3 Mtr . incl cover. The rate shall inclusive of necessary theaded rods,nuts & bolts, making clamp in the Z perlin/Truss, cable tray clamps etc,(8 mm threaded rod shall be provided at every alternative purlin appx. 2 mtr length)

300 x 50mm x1.6mm

100 x 50mm x1.6mm