PGDX Rectangular duct coolers with DX coil

Transcription

1 Rectangular duct coolers with DX coil

2 10,0 Rectangular duct coolers with DX COIL Rectangular duct coolers with DX coil are used for central coolg of the ventilation air ventilation systems. The is also used for dividual coolg of the air supplied to dividual rooms (zones). 8 standard sizes. Same model for left-hand or right-hand stallation (reversible coil). Staless steel condensate drip tray. A let elimator can be fitted regardless of the direction of air. Easily removable drip tray to simplify cleang and spection. Operatg data Max. operatg press.: 2,4 MPa (24 Bar) The coils are tested for leakage. Design The casg is made of Aluzc-coated sheet steel. The coil has copper tubes and alumium fs. Staless steel drip tray for collectg the condensate, with R1/2 dra connection. Removable drip tray for spection and cleang of the coil. Installation The is tended for stallation a horizontal duct, with the air either direction (reversible coil). Droplet elimator We recommend that a let elimator should be stalled on the let side of the coil if the air velocity is excess of 2.5 m/s. This prevents water lets beg entraed by the air to the duct system. The collected water is discharged through the staless steel condensate drip tray. The let elimator is easily accessible after the drip tray has been removed. Pressure across let elimator Pressure, p, Pa 90,0 80,0 70,0 60,0 50,0 40,0 30,0 20,0 10,0 90,0 80,0 70,0 60,0 50,0 40,0 30,0 20,0 2,25 2,5 2,75 3,25 3,5 3,75 2 2,25 2,5 2,75 3 3,25 3,5 3,75 4 velocity, v m/s Droplet elimator DE Page 2 Chap. 7

3 Standard sizes of The tables on the followg pages give examples of the capacity for each size. If none of these is suitable, we shall be pleased to carry a computer calculation. duct cooler B H S R I O K M N C Coil side volume Droplet elimator mm mm mm mm mm mm mm mm 0 mm 0 mm L DE 400x , /2 0,69 DE 40x20 500x , /2 1,09 DE 50x25 500x , /2 1,3 DE 50x30 600x , /8 1,56 DE 60x30 600x , /8 1,82 DE 60x35 700x , /8 3,14 DE 70x40 800x , /8 4,49 DE 80x x , /8 5,61 DE 100x50 Project design/orderg Type designation 400x ,5 (example) Size designation Number of tube rows F pitch, mm Specify the followg when placg your order 1. rate: - m³/h 2. Inlet air temp.: - C 3. Outlet air temp. or required put: - C or - kw 4. Size W x H: - mm 5. type: 6. Evaporation temperature: - C 7. Inlet air humidity: - % RH 8. Droplet elimator, if any: Chap. 7 Page 3

4 Capacity of 400x ,5 R 407C, 5 C ,8 2,2 51 3, ,8 3,2 75 6, ,9 2,7 63 4, ,4 3,9 90 8, ,5 2,8 65 4, ,2 4, ,3 Pressure Capacity factor for: Factor R410a 1,01 R134a 0,93 R404a 1,00 R507a 0,97 Capacity 500x ,5 R 407C, 5 C ,8 3,4 80 3, ,7 5, , ,9 4,2 99 5, ,1 6, , ,0 4, , ,2 7, ,1 Pressure Capacity 500x ,5 R 407C, 5 C ,5 4, , ,3 6, , ,6 5, , ,8 7, , ,3 6, , ,9 8, ,7 Pressure Capacity 600x ,5 R 407C, 5 C ,4 5, , ,8 8, , ,5 6, , ,6 9, , ,3 7, , ,8 11, ,5 Pressure Page 4 Chap. 7

5 Capacity 600x ,5 R 407C, 5 C ,5 6, , ,4 8, , ,7 7, , ,8 11, , ,4 8, , ,0 12, ,6 Pressure Capacity factor for: Factor R410a 1,01 R134a 0,93 R404a 1,00 R507a 0,97 Capacity 700x ,5 R 407C, 5 C ,7 8, , ,4 12, , ,3 9, , ,3 14, , ,5 11, , ,2 16, ,0 Pressure Capacity 800x ,5 R 407C, 5 C ,6 12, , ,3 18, , ,2 14, , ,1 21, , ,4 16, , ,2 24, ,9 Pressure Capacity 1000x ,5 R 407C, 5 C ,3 16, , ,9 23, , ,9 18, , ,6 29, , ,7 21, , ,9 31, ,0 Pressure Chap. 7 Page 5