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AC-4 HVAC SYSTEM (HEATER, VENTILATOR AND A/C) GENERAL DESCRIPTION • RHD Model Item Specifications Type of air conditioner Reheat air-mix type Cooling capacity 4.7 kW (4,041 kcal/h, 16,035 BTU/h) Refrigerant HFC-134a (CH 2 FCF 3 ) [0.45 ± 0.05 kg (0.99 ± 0.11 lb)] Compressor Type Through vane type (TV-12C) Discharge 127 cm 3 (7.75 cu in)/rev Max. permissible speed 6,000 rpm Magnet clutch Type Dry, single-disc type Power consumption 40 W Type of belt V-Ribbed 4 PK Pulley dia. (effective dia.) 120 mm (4.72 in) Pulley ratio 1.11 Condenser Type Corrugated fin (Sub cool type) Core face area 0.19 m 2 (2.04 sq ft) Core thickness 16 mm (0.63 in) Radiation area 4.786 m 2 (51.50 sq ft) Receiver drier Effective inner capacity 250 cm 3 (15.26 cu in) Expansion valve Type Externally equalizing Evaporator Type Multi tank Dimensions (W × H × T) 214.4 × 195 × 58 mm (8.44 × 7.68 × 2.28 in) Blower fan Fan type Sirocco fan Outer diameter × width 150 × 75 mm (5.91 × 2.95 in) Power consumption 220 W at 12 V Condenser fan (Sub fan) Motor type Magnet Power consumption 75 W at 12 V Fan outer diameter 300 mm (11.81 in) Radiator fan (Main fan) Motor type Magnet Power consumption 75 W at 12 V Fan outer diameter 300 mm (11.81 in) Idling speed (A/C ON) MPFI model 850 ± 100 rpm Dual switch Low-pressure ON → OFF 196 ± 20 kPa (2.0 ± 0.2 kg/cm 2 , 28.4 ± 2.8 psi) OFF → ON 226 ± 29 kPa (2.3 ± 0.3 kg/cm 2 , 33 ± 4 psi) High-pres- ON → OFF 3,138 ± 196 kPa (32 ± 2 kg/cm 2 , 455 ± 28 psi) DIFF 588 ± 196 kPa (6 ± 2 kg/cm 2 , 85 ± 28 psi) OFF → ON 2,550 ± 196 kPa (26 ± 2 kg/cm 2 , 370 ± 28 psi) Thermo control amplifier (1) 1±0.5 ° C (34±0.9 ° F) (2) 3±1.5 ° C (37±2.7 ° F) (3) Repeat AC-00459 ( 1 ) ( 2 ) ( 3 ) OFF ON |