Air heater 400watt for heater assemblyas per part no. sr-075-1020 of m/s sidwal or equivalent rdso make for rmpu conf. to rdso specification no. rdso/pe/spec/ac/0061 - 2005 (rev -1), suitable for lhb type roof mounted ac package unit.

Control pressure (cp) switch, as per danfoss make cat no - acb 2uc 136 w or equivalent of alco make or equivalent part nos. of other oems of lhb rmpu ac coaches, as per rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1).

Power connectors 24 pins with crimped terminal in rmpu make: harting make han e-type/widmuiller/phoenix/lapp or any other equivalent make having interchangeability of connectors and its parts with prior approval of rdso (part number as per annexure-vi) of rmpu of lhb ac coaches, conforming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev. 2) or latest

Pressure measuring rotary switch, as per part no sr-075 -1050 of m/s sidwal & type n4s29d/gb of kaycee make or equivalent to this of ge & salzer make only, as per sr no. 36 of bill of material (bom) of rdso specification no. rdso/pe/spec/ac/0061-2005(rev-1), suitable for use in rmpu type lhb ac coaches & conforming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1). accepted make: kaycee, salzar , ge , or any other rdso approved make.

High pressure controller for lhb ac coaches without capillary range 310-412 psi, ts-22/21 12-degree farhenite, 6/8a, 240-volt ac confirming to rdso spec.rdso/pe/spec/ac/0061-2005 (rev-2)

Fresh air filter for lhb rmpu, with aluminium frame of size 495 mm [l] x 260 mm [w] x 12.5 mm [t], conforming to rdso specification no. rdso/pe/spec/ac/0055-2003 (rev-2) and as per rdso drawing no. rdso/pe/sk/ac/0074-2004 (rev-1), suitable for use in lhb variant rmpu type ac coaches.

3 phase induction blower motor, suitable for use in lhb type rmpu ac coaches, as per rdso specification no. rdso/pe/spec/ac/0089-2008 (rev.-0) with amendment no. 1 & 2

Hermitically sealed scroll compressor, suitable for r-407 c refrigerant gas, working on 415 vac, 50 hz, conforming to rdso specification no. rdso/pe/spec/ac/0061/2005(rev-1). make and model should be rdso approved. note: (i) emerson part no. zr 61 kce tfd522 / danfoss part no. mlz038t4 or any other make and model of equipment/component can only be considered with prior approval of rdso.

Bellow duct assembly complete, made of meta aramid/para aramid fabric with silicon rubber coating on both sides with metallic frames & fire retardant edpm gasket on both sides. 2 nos. each for fresh air & return air and 01 no. for supply air per rmpu as per rdso spec. no: rdso/pe/spec/ac/0197- 2020 ( rev-1 ) and drg. no. rdso/pe/sk0069-2004 ( rev-3 ) or latest for rmpu of lhb ac coaches.

Hermetically sealed scroll type compressor of 5 ton capacity, suitable for r-407c refrigerant, operating voltage 380-420v ac, 3phase, 50hz, suitable for use in lhb type rmpu air conditioned coahces of double decker train, and confirming to rdso specifciation no. rdso/pe/spec/ac/0134-2009 (rev-0).