HVAC Works Equipment Schedule VRV VRF with Cassette Unit Scope of work includes Supply Installation Testing and Commissioning of the following items of work High Side Equipment or Low Side Y Joint and Installation

Amount

Supply, Installation, Testing & Commissioning of Variable Refrigerant Flow type air cooled Outdoor units suitable for cooling and heating, having hermetically sealed inverter type Compressor(s), microprocessor based Controller, top discharge type condensing unit(s), with R 410 A Refrigerant, vibration isolators, with suitable foundation etc. complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 54° C ambient temperature without tripping. The unit shall be suitable to work on 400V+/10%, 3 Phase, 50 Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The COP at AHRI conditions shall not be less than 3.75.

Supply, installation, testing and commissioning of following minimum capacity 4-way flow VRF Cassette Type Indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX Copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration isolation, cordless remote control etc., suitable for operation on single phase 230V ± 10%, 50Hz ACsupply, complete, as required. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature.

Cassette AC 1.03 TR

Cassette AC 1.57 TR

Cassette AC 2.29 TR

Cassette AC 3.2 TR

Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastomeric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines,all accessories as per specifications etc. as required :

6.4 mm dia (OD) to 31.8 mm dia with suitable insulation

Supply, installation, testing and commissioning of Refnet joint (YBranches) branch distributors with Variable refrigerant flow distribution couplings for refrigerant piping in copper piping. The bidder shall consider the required diameter of the refnet joint as required for the system to get connected by refrigerant piping of suitable guage for it to function satisfactorily without leakage through the joints. cost shall also include insulation of 19mm / 13mm thick nitrile rubber closed type tubular form. All necessary as required

Central Controller

Providing & fixing of CPVC Piping complete with fittings, supports for condensate drain as per specifications and duly insulated with 6 mm thickness of closed cell nitrile rubber insulation etc. complete as per direction of Engineer-in-charge & specifications enclosed as reqd.

25 mm dia.

25 mm dia.

Providing & fixing of control wiring with following sizes of copper conductor shielded transmission cum control cable between indoor unit/outdoor unit/ controllers inside / outside building through PVC conduit ( cost shall included PVC conduit), on surface / existing channel, cable tray i/c making connection etc. as reqd.

2c x 1.5 Sqmm

Refrigerant top-up (R 410A)

Providing & fixing of MS channel for Outdoor Stand

Competent Engineers

M/s Comfort Zone