2024fresh Air Make up Rooftop Commercial Center Air Conditioner

• Customization: Available
• Type: Rooftop Air Conditioner
• Air Tube Material: Galvanized Sheet
• Model NO.: Customized
• Operating Voltage: 380/400 VAC
• Noise Level: Low
• Application Fields: Medicine
• Mounting: Floor Standing
• Lifetime: 15~20 years
• Certification: RoHS, ISO, CE
• Condition: New
• Cooling Capacity: 10~350kw
• Heating Capacity: 10~350kw
• Compressor: Scroll Type
• Case Material: Galvanized Steel
• Condenser: Copper Tube Aluminum Fin
• Evaporator: Copper Tube Aluminum Fin
• Air Filter: Aluminum Filter G3
• Rerigerant: R22, R407c, R410A, R134A
• Transport Package: Wrap Film
• Specification: Customized
• Trademark: Venttech
• Origin: China
• HS Code: 8466939000
• Production Capacity: 20000PCS/Month

Product Description

Rooftop air conditioner

Capacity: 12~35kw, 3.5~10 Tons, 40000~120000 BTUs.
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.

Technical Specification

Model					WRF12ZA	WRF 15ZA	WRF18ZA	WRF24ZA	WRF30ZA	WRF 35ZA
					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
	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			m^3/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			m^3/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
						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
	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		m^3/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

Note: 1. Nominal cooling capacity is under nominal air volume, indoor DB/WB temperature is 27ºC/19ºC and outdoor DB/WB temperature is 35ºC/24ºC condition;
2. Nominal heating capacity is under nominal air volume, indoor DB/WB temperature is 20ºC/15ºC and outdoor DB/WB temperature is 7ºC/6ºC condition;

Product size
WRF12, 15, 18ZA outline drawing

Duct type air conditioner

 Products Features

1. 11 sizes available ranging from 19.5 kW to 103.7 kW cooling capacity.Cooling only and heat pump version

2.  Wide application as hotel, apartment, villa, factory, shopping center, office building, school, etc.
3.  Panels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents
4. High efficiency scroll compressor for the whole range, with built-in thermal overload cut-out and crankcase heater, mounted on rubber vibration dampers
5.  Compact indoor design, long air supply distance
6.  Outdoor units are equipped with low noise axial fans
7.  Indoor units are equipped with quiet centrifugal fans
8.  Split installation, connected by means of flare/welding coupling
9.  Easy operation line controller
   Cooling/Heating/Fan/Auto
   Error indication
   Timing on/off
10. Multi safety protection
   High/low pressure protection
   Overheat protection
   Current overload protection
   Phase sequence relay
   Time delay and antifreeze switch      
                                                                                                                                              
Product options

1.  Salt water evaporator

2.  Electric heater
3.  Hot water coil
4.  T3 (Tropical climate)

Technical Specification

Model		Outdoor	BD(R)F-20W	BD(R)F-25W	BD(R)F-32W	BD(R)F-36W	BD(R)F-42W
		Indoor	BD(R)F-20N	BD(R)F-25N	BD(R)F-32N	BD(R)F-36N	BD(R)F-42N
Nominal cooling capacity		kW	19.5	24.8	31.2	35.6	41.3
		Kcal/h	16747	21364	26796	30598	35498
Nominal heating capacity		kW	22.6	28.9	35.8	40.8	46.9
		Kcal/h	19463	24895	30779	35124	40375
Working power	Outdoor unit		380V/3PH/50Hz
	Indoor unit		220V/3PH/50Hz			380V/3PH/50Hz
Compressor start current		A	2×46.2	2×65.8	2×65.8	2x76	105+65.8
Rated input power	Cooling	kW	7.2	9.3	11.8	12.8	15.1
	Heating	kW	7.13	9.21	11.68	12.67	14.95
Rated input current	Cooling	A	12.87	16.62	21.09	22.88	26.99
	Heating	A	12.74	16.46	20.88	22.65	26.72
Overall dimension	Outdoor unit	mm	970×830×1030	1120×830×1030	1120×830×1030	1120×960×1130	1640×830×1130
L*W*H	Indoor unit	mm	1460×915×487	1460×915×487	1460×915×588	1810×915×588	1730×1045×590
Noise	Outdoor unit	dB(A)	≤67	≤67	≤68	≤70	≤71
	Indoor unit	dB(A)	≤64	≤64	≤66	≤66	≤68
Indoor unit air volume	Nominal air volume	m^3/h	3500	4500	5400	6400	7400
	Medium speed	m^3/h	2500	3700	4200
	Low speed	m^3/h	2000	3000	3200
	Static pressure	Pa	120	100	150	130	180
Indoor unit fan power		kW	2x0.0.25	2x0.32	2x0.55	2x0.55	2x0.8
Indoor and outdoor unit connection		Threaded connection					Welding
Connection pipe spec.	Liquid pipeφ	mm	9.52×2	12.7×2	12.7×2	12.7×2	15.88/12.7
	Gas pipe φ	mm	15.88×2	15.88×2	19.05×2	22×2	28/19.05
Diameter of condensate pipe of indoor machine		mm	DN25	DN25	DN25	DN25	DN25
Refrigerant R22	Filling quantity	kg	3.0×2	4×2	4.5×2	10.5	9+4.5
Weight	Outdoor unit	kg	170	180	220	230	260
	Indoor unit	kg	90	100	150	160	180
Auxiliary electric heater	Option part	kW	2×3	2×4	2×5	2×6	2×6
Auxiliary hot water coil	Heating capacity	kW	22.2	28.4	35.1	40	46
(Option part)	Water flow	m^3/h	1.91	2.44	3.02	3.44	3.96

Condition: Cooling capacity is measured under the condition: indoor temperature DB 27ºC / WB 19ºC , ambient temperature DB 35ºC / WB 24ºC .
Heating capacity is measured under the condition: indoor temperature DB 20ºC / WB 15ºC , ambient temperature DB 7ºC / WB 6ºC

Outdoor unit size

Indoor unit size