Experienced supplier of Rooftop Hvac Units

Rooftop Package/Rooftop Hvac Units

Feature

Products Features

Capacity: 45~105kw.
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.

Product options

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 parameter

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

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;

Application

Factory, hospital, marine, office building, shopping mall...

Products