Rooftop Package Unit, 18kW-260kW Heating and Cooling Unit Manufacturer

Rooftop Package Unit, 18kW-260kW Heating and Cooling Unit

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The packaged rooftop heating and cooling unit is designed and produced for centralized cooling and heating in commercial buildings such as malls, movie theaters, offices, airports, and schools. These units feature a special design with different functional segments to handle the challenges of places with strict temperature and humidity requirements.

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Technical Parameters

Rooftop packaged unit 1

Model			RWK18	RWK28	RWK35	RWK50	RWK70
Capacity	Cooling	kW	18	27.5	35.6	50	70
	Cooling	TR	5	8	10	14	20
	Heating	kW	18.2	28.3	38	54	75
	Heating	TR	5	8	11	15	21
Max. starting current		A	35	50	76	168	181
Running current on cooling			12	17	26	36	58
Running current on heating			12	17	24	34	55
Power	Cooling	kW	6.23	9.45	12	20	27
Power	Heating	kW	6.25	9.45	11	18	25
Compressor	Brand		Panasonic
	Quantity		1	1	1	2	2
	Refrigerant		R410a
	Refrigerant charge	kg	4.5	6	6.5	12.8	17
Condenser	Coil		Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
	Copper pipe type		7mm internal thread
	Fan type		Axial
	Fan drive		Direct drive
	Motor qty		1	1	1	1	2
	RPM		710	710	930	930	930
	Motor input power	kW	0.37	0.55	1.1	1.5	1.5
Evaporator	Coil		4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
	Copper pipe type		7mm internal thread
	Fan type		Centrifugal
	Evaporator fan drive		Direct drive
	RPM		960r/min	1400r/min	1400r/min	950r/min	960r/min
	Motor input power	kW	0.8	1.1	2.2	2.2	5.5
	Air flow rate	m³/h	3400	5200	6000	8000	12500
	Air flow rate	cfm	2000	3050	3500	4700	7350
	External static pressure	Pa	100	150	250	250	300
	External static pressure	inch H2o	0.4	0.6	1	1	1.2
Galvanized thickness		μm	80	80	80	80	80
Paint thickness		μm	80	60	60	60	60
Filter material			Aluminum G3
Noise level		db(A)	70	72	72	72	74
System pressure control			High/Low pressure switch
Dimension	L	mm	1860	2010	2010	2010	2390
	W	mm	965	1165	1158	1158	2150
	H	mm	1050	1155	1155	1155	1230
Weight		kg	280	320	384	600	800
Continuous improvement of technology is our aim. Ruidong keeps the rights to change the parameter without prior notice.
Cooling conditions: outdoor: 35℃, indoor: 27℃/19℃(DB/WB)

Rooftop packaged unit 2

Model			RWK90	RWK105	RWK140	RWK180	RWK210	RWK260
Capacity	Cooling	kW	90	105	140	180	210	260
	Cooling	TR	26	30	40	51	60	74
	Heating	kW	96	110	146	188	220	272
	Heating	TR	27	31	42	53	63	77
Max. starting current		A	196	211	232	252	266	301
Running current on cooling			64	7	82	110	138	160
Running current on heating		[a2]	59	65	76	102	130	152
Power	Cooling	kW	32	33	40	56	70	83
Power	Heating	kW	29	30	37	52	65	77
Compressor	Brand		Panasonic					Copeland
	Quantity		2	2	4	4	4	4
	Refrigerant		R410a
	Refrigerant charge	kg	20	22.5	34	40	45	51
Condenser	Coil		Copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
	Copper pipe type		7mm internal thread
	Fan type		Axial
	Fan drive		Direct drive
	Motor qty		2	3	4	4	4	4
	RPM		930	930	930	710	930	930
	Motor input power	kW	1.5	3	4.4	4.4	6	8.8
Evaporator	Coil		4 rows copper pipe with hydrophilic coated 0.11 mm aluminium fins (12 fins/inch)
	Copper pipe type		7mm internal thread
	Fan type		Centrifugal
	Evaporator fan drive		Direct drive
	RPM		960r/min	716r/min	634r/min	757r/min	676r/min	593r/min
	Motor input power	kW	5.5	5.5	5.5	11	15	15
	Air flow rate	m³/h	16000	19000	24000	30000	36000	36000
	Air flow rate	cfm	9421	11200	147000	17647	21176	21176
	External static pressure	Pa	300	300	400	400	500	500
	External static pressure	inch H2o	1.2	1.2	1.6	1.6	2	2
Galvanized thickness		μm	80	80	80	80	80	80
Paint thickness		μm	60	60	60	60	60	60
Filter material			Aluminum G3		Aluminum
Noise level		db(A)	74	75	79
System pressure control			High/low pressure switch
Dimension	L	mm	2960	2960	5130	5130	5130	5130
	W	mm	2250	2250	2340	2340	2340	2340
	H	mm	2005	2005	2130	2130	2130	2130
Weight		kg	1280	1300	2750	2800	2850	2900

Features

The rooftop heating and cooling unit does not need a specialized room for installation. New air vents can be set up as fresh air volume can be manually adjusted and the pre-filter section can also be configured according to the client's requirements.
Easy assembly. The machine set adopts air cooling and direct air supply methods. Cooling towers and circulating water systems are not necessary. The rooftop packaged heating and cooling unit can be easily installed on rooftops, balconies and other suitable places. The machine set can immediately start working by just connecting the air return pipe and power onsite.
High air quality. The heating and cooling unit has air supply, refrigeration, heat supply, air purifying and electronic control functions.
Reliable operation. Overload protection and open-phase protection devices are built in the heating and cooling unit to guarantee the safety and reliability of use.