COMPREHENSIVE MAINTENANCE FOR VRF PAC AND UPS INSTALLED AT WARDEC AND VARIOUS LOCATIONS UNDER GE (U) P AND M DELHI CANTT-10

Periodical, preventive and comprehensive maintenance to Integrated Data Centre Solution/IT Racks (02 Nos) suitable for 35 KW IT load distributed in 4 Racks which provide active approx 165 U space for IT devices of OEM VERTIV and consisting of the following :- (i) Precision Air Conditioning (04 Nos) :- Direct Expansion microprocessor based precision AC units (Para metric cooling CFM) of min 35 KW sensible capacity precision AC unit with air cooled condenser, digita scroll compressor in each unit with suitable refrigerant circuits, evaporator coil with hydrophilic coating, direct driven electronic thermostatic expansion valve suitable for environment friendly R410A refrigerant, electric heater locking disconnect switch, adjustable modular baffle system, heater, clocked filter, 2 Nos rack sensors, Infrared humidifiers and vibration isolator. The unit refrigerant circuit has factory installed solenoid valve and service valves. Motor is suitable for 415V + 10%, 50 cycles, 3 phase AC supply with EC fan and external static pressure 20 Pa. Smart row capacity modulated cooling, which is self contained precision cooling unit designed for cooling racks. Machine Serial No. : 202504SMR0035 CRV Machine No. 1 : 24404CRV0035F075 CRV Machine No. 2 : 24404CRV0035F072

Periodical, preventive and comprehensive maintenance of direct expansion Microprocessor based precision AC SRC -11 ET, Liebert SRC, Three Phase 3.1 TR ( 3 Nos of unit, Make : Vertiv)sensible capacity precision AC units as per the specifications air cooled condenser at Wardec Shankar Vihar including items mentioned as below:- (a) DX Microprocessor based precision AC 3 X 3.1 TR sensible variable capacity digital scroll compressor as per the specifications air cooled condenser with stepless variable speed fans for winter operation, digital scroll compressor in each unit with refrigerant circuits & connected items. (b) PAC with bottom discharge air flow. (c) Outdoor condenser unit with copper coil with aluminum fins and social fans speed controller motor. (d) In built sequential controller for operating unit in N + 1 configuration designed for 22 + deg (return air temperature 50% ± 5% Rh and 43 deg C amient tem).

(e) Electrical control panel double earthed alongwith timers for delayed start of units (01 Nos. working + 1 standby). Serial No. Machine 01:- 2401MFSRC11ETF266 Serial No. Machine 02:- 2507MFSRC11ETF303 Serial No. Machine 03:- 2507MFSRC11ETF305 including : (a) Quarterly service of whole system. (b) All breakdown calls to be attended within 48 hrs of intimation to the contractor failing which a penalty of Rs. 2000/day shall be deducted from the dues of contractor. (c) All consumables item such as cables, refrigrant (gas), filters etc. shall be measured and paid separately under item no. 5.

Periodical, preventive and comprehensive maintenance to VRF (Variable Refrigrant flow) Air Conditioning system installed at 1 WEC with following details : (a) Model No. : IVRFB - 12THA, VRF V Plus 12 HP Heat TD D , Product Serial No. - IVRFB - 12 THAFXF00035 (b) Model No. : IVRFB - 22THA, VRF V Plus 22 HP Heat TD D , Product Serial No. - IVRFB - 22 THAFXF00031 (c) Model No. : IVRFB - 28THA, VRF V Plus 28 HP Heat TD D , Product Serial No. - IVRFB - 28 THAFXF00073 including : (a) Quarterly service of whole system. (b) All breakdown calls to be attended within 48 hrs of intimation to the contractor failing which a penalty of Rs. 2000/day shall be deducted from the dues of contractor. (c) All consumables item such as cables, refrigrant (gas), filters etc. shall be measured and paid separately under item no. 5

Periodical, preventive and comprehensive maintenance of UPS installed in Wardec of Capacity 20 KVA ( 2 Nos) of Make : Vertiv with following details : (a) Model No. : ITA 2, Sr. No. : 210120174022473M2218 , Capacity : 20 KVA (b) Model No. : ITA 2, Sr. No. : 210120174022473M2220 , Capacity : 20 KVA including : (a) Quarterly service of whole system. (b) All breakdown calls to be attended within 48 hrs of intimation to the contractor failing which a penalty of Rs. 2000/day shall be deducted from the dues of contractor. (c) All consumables item such as Battries, cables, thimbles etc. shall be measured and paid separately under item no. 5 and onwards

Supply and filling refrigerant gas R-410A in Precsion AC/ VRF units complete in satisfactory working condition complete all as specified & as directed.