Rooftop unit features:
Capacity: 10~350KW
Efficiency: 2.7~3.3 cop.
Warranty: Compressor- 3 years limited. other parts-1 year limited.
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 Data
| GT-WKR Series-Roof Top AH Specifiaction 1 | ||||||||||
| Model GT-WKR- | 10 | 15 | 18 | 20 | 25 | 30 | 35 | |||
| Specification | Cooling capacity 1* | kW | 10.5 | 15.0 | 18.5 | 21.0 | 26.3 | 29.8 | 35.0 | |
| Heating capacity 2* | kW | 11.5 | 15.9 | 19.5 | 22.1 | 27.6 | 32.6 | 37.1 | ||
| Supply air 3* | m3/h | 1800 | 2400 | 2900 | 3500 | 4500 | 5000 | 5800 | ||
| Static pressure 3* | Pa | 100 | 150 | 150 | 180 | 200 | 250 | 250 | ||
| Noise 4* | dB(A) | 60 | 60 | 62 | 62 | 65 | 65 | 68 | ||
| Power | 3N-380V-60Hz | |||||||||
| Total capacity | 3.9 | 5.74 | 7.0 | 8.27 | 9.96 | 11.0 | 14.15 | |||
| Color | White | |||||||||
| ooling system | Compressor | Type | Efficient scroll closed | |||||||
| Quantity | 1 | 1 | 1 | 1 | 1 | 1 | 2 | |||
| Supply air fan | Type | Low noise centrifugal type | ||||||||
| Capacity | kW | 0.37 | 0.55 | 0.75 | 0.75 | 1.1 | 1.5 | 2.2 | ||
| Evaporator | Type | Inner grooved copper tube and aluminum fin | ||||||||
| Fin type 5* | Slotted fin hydrophilic aluminum fin | |||||||||
| Condenser | Type | Inner grooved copper tube and aluminum fin | ||||||||
| Fin type 5* | Rippled hydrophilic aluminum fin | |||||||||
| Condenser fan | Type | Low noise axial type | ||||||||
| Quantity | 1 | 1 | 1 | 1 | 1 | 1 | 2 | |||
| Refrigerant | Refrigerant | R22/R407C | ||||||||
| Refrigerant control | External balance type thermal expansion valve | |||||||||
| Air filter | Initially effect plate filter | |||||||||
| Dimensions | L | mm | 1400 | 1400 | 1600 | 1600 | 1850 | 1850 | 2200 | |
| W | mm | 1050 | 1050 | 1200 | 1200 | 1400 | 1400 | 1800 | ||
| H | mm | 1050 | 1050 | 1050 | 1050 | 1200 | 1200 | 1520 | ||
| Weight | kg | 200 | 230 | 260 | 300 | 550 | 600 | 850 | ||
- Cooling condition: Indoor dry bulb/wet bulb:29/19ºC,Outdoor dry bulb/wet bulb:46/24ºC
- Heating condition:Indoor dry bulb/wet bulb:20/-ºC;outdoor dry bulb/wet bulb:7/6ºC;
- The air volume and static pressure`s specification in the table is standard, and can be designable.
- Noise data is measured in the front of the units when cooling under the standard air volume.
- Fin type and material can be designable.
| GT-WKR Series-Roof Top AH Specifiaction 1 | ||||||||||
| Model GT-WKR- | 40 | 50 | 60 | 70 | 90 | 110 | 120 | |||
| Specification | Cooling capacity 1* | kW | 42.0 | 52.8 | 61.2 | 70.2 | 87.5 | 105.1 | 122.5 | |
| Heating capacity 2* | kW | 44.1 | 55.4 | 62.5 | 73.8 | 92.8 | 112.0 | 130.0 | ||
| Supply air 3* | m3/h | 7000 | 8600 | 10000 | 12000 | 14500 | 17000 | 20000 | ||
| Static pressure 3* | Pa | 300 | 300 | 300 | 350 | 350 | 400 | 400 | ||
| Noise 4* | dB(A) | 68 | 69 | 69 | 70 | 71 | 72 | 72 | ||
| Power | 3N-380V-60Hz | |||||||||
| Total capacity | 17.24 | 20.72 | 23.0 | 29.76 | 39.1 | 44.66 | 51.58 | |||
| Color | White | |||||||||
| ooling system | Compressor | Type | Efficient scroll closed | |||||||
| Quantity | 2 | 2 | 2 | 2 | 2 | 4 | 4 | |||
| Supply air fan | Type | Low noise centrifugal type | ||||||||
| Capacity | kW | 2.2 | 3 | 4 | 4 | 5.5 | 7.5 | 7.5 | ||
| Evaporator | Type | Inner grooved copper tube and aluminum fin | ||||||||
| Fin type 5* | Slotted fin hydrophilic aluminum fin | |||||||||
| Condenser | Type | Inner grooved copper tube and aluminum fin | ||||||||
| Fin type 5* | Rippled hydrophilic aluminum fin | |||||||||
| Condenser fan | Type | Low noise axial type | ||||||||
| Quantity | 2 | 2 | 2 | 4 | 4 | 4 | 4 | |||
| Refrigerant | Refrigerant | R22/R407C | ||||||||
| Refrigerant control | External balance type thermal expansion valve | |||||||||
| Air filter | Initially effect plate filter | |||||||||
| Dimensions | L | mm | 2200 | 2600 | 2600 | 3200 | 3200 | 6000 | 6000 | |
| W | mm | 1800 | 2200 | 2200 | 2200 | 2200 | 2300 | 2300 | ||
| H | mm | 1520 | 1700 | 1700 | 1900 | 1900 | 2300 | 2300 | ||
| Weight | kg | 850 | 1100 | 1250 | 1400 | 1650 | 1850 | 2200 | ||
Note:
1. Cooling condition: Indoor dry bulb/wet bulb:29/19ºC,Outdoor dry bulb/wet bulb:46/24ºC
2. Heating condition:Indoor dry bulb/wet bulb:20/-ºC;outdoor dry bulb/wet bulb:7/6ºC;
3. The air volume and static pressure`s specification in the table is standard, and can be designable.
4. Noise data is measured in the front of the units when cooling under the standard air volume.
5. Fin type and material can be designable.
