Roof AHU/Air Handling Units

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Features
Technical Data
Application
Certification
Part List
Reference

Capacity: 12~300kw.
Efficiency: 2.7~3.3 cop.
Warranty: Compressor- 3 years limited. other parts-1 year limited.

Structure

Panels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance toatmospheric agents.

Direct expansion coils with condensate drain tray.

Hermetic compressor

High efficiency scroll compressor for the whole range, with built-in thermal overload cut-out and crankcase heater,mounted on rubber vibration dampers

Ripple type acoustic insulation for compressor section, and thermal insulation for coil and fan section, low noise

Centrifugal fan

Forward curve centrifugal fans for air treatment section and axial fans for condensation section. Front, side and underside air discharge of the treatment unit. High external pressure, long air supply distance

Electric panel

Electric panel consists of breakers and contactors for compressors and fan motors, phase sequence relay and other necessary protection devices for the main components.

Easy operation line controller

Cooling/Heating/Auto. Error indication. Timing on/off.

Optional

Economizer with fresh, return air dampers and fresh air hood.

Free cooling function for low ambient temperature.

Low ambient control device for operation of outdoor units at ambient temperatures from less than 20°C down to -10°C

BMS devices.

T3 (Tropical climate).

Condenser coil guard.

Roof curb.

Metal / aluminum filter.

Air pressure switch for indoor fan.

High static condenser fan option with sealed + drain.condensing section.

Optional water heating coil.

Metal or plastic mesh on condenser coil.

Optional supply / return air configurations.

Upgraded evaporator fan motor drives.

G4 filter, plate and bag filter.

Model					WRF12ZA	WRF 15ZA	WRF18ZA	WRF24ZA	WRF30ZA	WRF 35ZA
Model					WF12ZA	WF 15ZA	WF18ZA	WF24ZA	WF30ZA	WF 35ZA
Cooling capacity			kW		12	15.2	17.5	24	30.3	25.6
Heating capacity			kW		13.2	16.6	18.4	26.5	33.3	27.7
Energy regulation			%		0、100%			0、50、100%
Power					380V / 3Ph / 50HZA
Cooling input capacity		kW			4.1	5.3	5.5	8.8	11.3	12.3
Heating input capacity		kW			3.8	4.8	5.1	8.2	10.4	11.3
Start current		A			48	62	63	63	74	76
Cooling running current		A			7.4	9.7	10.2	16.1	21.2	23.3
Heating running current		A			6.9	9.2	9.7	15.1	20.1	22.2
Throttling method					Thermal expansion valve
Cooling system					1	1	1	1	2	2
Refrigerant					R410A
Compressor	Compressor type				Hermetic scroll compressor
Compressor	Qty				1	1	1	1	2	2
Condensation side
Condenser	Type				Copper tube and aluminum fin
	Qty				1	1	1	1	1	1
	Drive type				Direct drive
	Motor power			kW	0.25	0.37	0.37	0.55	0.75	0.75
	Air volume			m3 /h	4600	7800	7800	9000	12600	12600
Evaporation side
Evapotator	Type				Copper tube and aluminum fin
	Qty				1	1	1	1	1	1
	Motor power			kW	0.32	0.37	0.45	1.1	1.5	2.2
	Air volume			m3 /h	2100	2600	3400	4100	5200	6300
	Drive type				Direct drive			Pulley
Static pressure（Pa）					100	100	100	200	200	250
Filter					Aluminum filter G3
Noise dB(A)					67	67	68	71	72	72
Refrigerant filling volume（kg）					3.1	3.1	4.3	2x3.1	2x3.1	2x4.3
External dimension	L			mm	1410	1410	1410	1978	1978	1978
	W			mm	1100	1100	1100	1175	1175	1175
	H			mm	1095	1095	1095	1095	1095	1095
Weight				kg	240	260	290	420	480	500

Model						WRF45ZA	WRF50ZA	WRF 60ZA	WRF72ZA	WRF 90ZA	WRF105ZA
Model						WF 45ZA	WF 50ZA	WF 60ZA	WF 72ZA	WF90ZA	WF 105ZA
Cooling capacity					kW	44.5	50	60	70	90	105
Heating capacity					kW	48.7	54.3	64	75.4	96.2	113.2
Energy regulation					%	0、33、66、100	0、30、70、100	0、50、100	0、50、100	0、33、66、100	0、33、66、100
Power						380V / 3Ph / 50HZA
Cooling input capacity			kW			17	19.5	22.8	26.7	32.9	39.7
Heating input capacity			kW			15.6	18	21	24.8	30.4	36.7
Start current			A			168	186	175	199	197	266
Cooling running current			A			31.7	35.6	39.9	48.3	61	70.6
Heating running current			A			29.9	33.5	37.5	45.4	57.3	66.3
Throttling method						Thermal expansion valve
Cooling system						1
Refrigerant						R410A
Compressor	Compressor type					Hermetic scroll compressor
Compressor	Qty					2	2	2	2	3	3
Condensation side
Condenser		Type				Copper pipe copper fin
Fan		Qty				1	1	1	1	2	2
		Drive type				Direct drive
		Motor power		kW		1.1	1.5	1.5	2.2	2X1.1	2X1.5
		Air volume		m3 /h		16500	21000	21000	27000	33000	42000
					a	2.65	3.82	3.82	5.49	2.65	3.82
					kw	1.14	2.02	2.02	2.875	1.14	2.02
Evaporation side
Evaporator		Type				Evaporator
		Qty					1	1	1	1	1
		Motor power				3	3	4	4	5.5	5.5
		Air volume				7600	8500	10900	12500	16000	19500
		Drive type
Static pressure（Pa）						250	250	300	300	300	300
Filter						Aluminum filter G3
Noise dB(A)						73	73	73	75	74	75
Refrigerant filling volume（kg）						4.3+	4.3+8.5	2x7.5	2x8.5	3x7.5	3x8.5
External dimension	L		mm			2268	2268	2298	2298	2878	2878
	W		mm			1440	1440	1650	1650	2140	2140
	H		mm			1167	1167	1400	1400	1964	1964
Weight						750	770	880	960	1160	1350

Model				WRF120ZA	WRF140ZA	WRF150ZA	WRF180ZA	WRF210ZA	WRF300ZA
Model				WF120ZA	WF140ZA	WF150ZA	WF180ZA	WF210ZA	WF300ZA
Cooling capacity		kW		120	140	149	180	210	298
Heating capacity		kW		128.3	150	159.2	192.5	226	318
Energy regulation		%		0、25、50、75、100		0、50、100	0、16.6、33.3、50、66.4、83、100		0、25、50、75、100
Power				380V / 3Ph / 50HZA
Cooling input capacity		kW		45.1	55.7	55.1	69.9	83	106.7
Heating input capacity		kW		41.7	51.8	51.5	64.8	77	100
Start current		A		218	252	323	232	301	415
Cooling running current		A		82.4	101.4	100.2	130.9	151	192.3
Heating running current		A		77.4	95.7	95.1	123.5	142.3	184.3
Throttling method				Thermal expansion valve
Cooling system				4	4	2	6	6	4
Refrigerant				R410A
Compressor	Compressor type			Hermetic scroll compressor 380V / 3Ph / 50HZA
Compressor	Qty			4	4	2	6	6	4
Condensation side
Condenser	Type			Copper pipe copper fin
Fan	Qty			2	2	2	4	4	4
	Drive type			Direct drive
	Motor power		kW	2X1.5	2x2.2	2x2.2	4X1.1	4X1.5	4x2.2
	Air volume		m3 /h	42000	54000	54000	66000	84000	108000
Evaporation side
Evaporator	Type			Copper pipe copper fin
	Qty			1	1	1	1	1	1
	Motor power		kW	7.5	11	11	15	15	18.5
	Air volume		m3 /h	21000	25000	26000	32000	38000	54000
	Drive type			Pulley
Static pressure（Pa）				400	400		500	500	500
Filter				Aluminum filter G3
Noise dB(A)				75	79	79	80	80	82
Refrigerant filling volume（kg）				4x7.5	4x8.5	2x17	6x7.5	6x8.5	4x14
External dimension	L		mm	3626	3626	3626	4690	4690	5660
	W		mm	2200	2200	2200	2330	2330	2330
	H		mm	2047	2047	2047	2055	2427	2055
Weight			kg	1710	1820	1850	2180	2430	2860

Note: 1. Nominal cooling capacity is under nominal air volume, indoor DB/WB temperature is 27℃/19℃ and outdoor DB/WB temperature is 35℃/24℃ condition;

2. Nominal heating capacity is under nominal air volume, indoor DB/WB temperature is 20℃/15℃ and outdoor DB/WB temperature is 7℃/6℃ condition;

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