SITC of Cassette Type Split AC Units in Applied Mechanics Conference Room, IIT Delhi

Supply, Installation, Testing and Commissioning of 02 TR capacity 1 Way ceiling mounted Cassette Type Split Air Conditioner unit for Cooling comprising factory built evaporator and condenser unit with cordless remote controller with battery, as per following specifications: Star Rating: not less than 3 Star; Compressor: Scroll / Rotary type inverter inbuilt for variable speed operation; Refrigerant: Ecofriendly; Material of evaporator & Condenser : Copper; Suitable for operation on 230 volt, 50Hz, ac supply; warranty of machine: not less than 1 year; warranty of compressor: not less than 5 years. The work shall include making suitable opening in the wall / glass for drawing of refrigerant pipes, power connections to indoor and outdoor units, sealing the holes properly on the wall, mending good the damages, etc. including supplying and fixing of prototype adjustable readymade stand made of steel for resting condenser unit on wall having adequate strength for carrying load of condenser unit, duly pre painted with anticorrosive paint, nuts, bolts, fasteners, grouting / properly securing from accidental fall, fasteners, antivibration pad, fixing of indoor cassette on ceiling with proper MS suspenders, adjustment with false-ceiling, fixing and connecting drain pipe with inbuilt drain pump etc. complete as required. The unit shall be pre-charged with refrigerant as much as required for commissioning. [Acceptable make of AC: Mitsubishi / O General / Hitachi / Panasonic / Blue Star / Carrier / Voltas / Lloyd / Daikin / LG]

Supply, Installation, testing and commissioning including vaccumization and Nitrogen testing of following nominal sizes of soft drawn copper refrigerant piping for Split AC system, complete with fittings, with suitable adjustable ceiling hanger supports (wherever required), jointing / brazing including accessories, cutting of glass window wherever required with proper finishing, insulated with XPLE Class-O tubular insulation / with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines, all accessories as per specifications etc. packing of all leakage either on wall or window with silicon / insulation, as required : [Acceptable make of copper pipes : Uniflow / Manibhadra / Ganpati / Mexflow / Mandev / Indigo / Godrej / Visiaro) Acceptable make of tubular insulation: Visiaro / Marshland / Avi Global / Armaflex / Aajjo / Dynamic / Uttam] NOTE: (1) The copper piping and piping circuit should be with minimum number of joints

9.5 mm (3/8’’) dia (OD) (Soft drawn) with tube thickness 1.2 mm with 9 mm thick insulation

15.86 mm (5/8'') dia (OD) (Soft drawn) with tube thickness 1.2 mm with 9 mm thick insulation

GI TRAY SUPPORT: Supplying and installing following size of perforated Hot Dipped Galvanised Iron Cable tray (galvanisation thickness not less than 50 microns) with perforation not more than 17.5% in convenient sections, joined with connectors, suspended / supported from the ceiling / wall with GI suspenders including GI bolts and nuts, GI C-Channels, etc. including GI protective sheet covering outside the room as required. (Only for outdoor portion)

150 mm width x 50 mm depth x 1.6 mm thickness

DRAIN PIPE: Supplying and laying of ISI marked CPVC pipe of 32 mm dia for draining of sweated water from AC evaporator (indoor) unit including providing tee, joints, elbows, supports, etc. insulated with XLPE class - O tubular insulation / worth Class-O closed cell elastomeric nitrile rubber tubular sleeves sections of 19 mm thick etc. complete as required.

DRAIN PIPE: Supplying and laying of ISI marked flexible braided PVC pipe of 25 mm dia for draining of sweated water from AC evaporator (indoor) unit including providing tee, joints, elbows, supports, etc. wherever required etc. complete as required.

Supplying and laying of ISI marked FRLS industrial multistranded following type copper cable of following size of 1.1 kv grade conforming to IS694:2010 including making connection etc. for power supply to AC unit, etc. on surface / recess complete as required. (Acceptable make: KEI / Finolex / Polycab / Universal / Havells / Gloster / RR Kabel / Rallison) [NB: Single stranded cable not to be used]

4 core x 4.0 sqmm armoured

4 core x 10 sqmm armoured

Providing and fixing 4 mm dia copper wire on surface or in recess for loop earthing as required.

Supplying and making end termination with brass compression gland and copper lugs for following size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required.

4 x 10 sqmm

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator)

6 Way, Doble Door

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole

Single Pole & Neutral

Supplying and fixing DP sheet steel enclosure on surface/ recess along with 32amps 240 volts "C" curve DP MCB complete with connections, testing and commissioning etc. as required. (Acceptable make: Havells / Siemens / HPL / Legrand / Schneider / L&T)

HONEY COLLECTION