HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > General Description

SPECIFICATION

1. HEATER SYSTEM

Item

Specification

Condition

Heating capacity

5.0 kW (4,300 kcal/h, 17,062 BTU/h) or more

Mode selector switch: HEAT

Temperature control switch: FULL HOT

Temperature difference between hot water and inlet air: 65°C (149°F)

Hot water flow rate: 360 L (95.1 US gal, 79.2 Imp gal)/h

Air flow rate

280 m3 (9,888 cu ft)/h

Heat mode (FRESH), FULL HOT at 12.5 V

Max air flow rate

480 m3 (16,951 cu ft)/h

Temperature control switch: FULL COLD

Blower fan speed: 4th position

Mode selector lever: Recirculation

Heater core size

(height × length × width)

134.1 × 224.3 × 32 mm

(5.28 × 8.83 × 1.26 in)

Blower motor

Type

Auto A/C (Brushless motor)

230 W or less

12.5 V

Manual A/C (Cylinder motor)

260 W or less

12.5 V

Fan type and size

(diameter × width)

Sirocco fan type

150 × 75 mm (5.91 × 2.95 in)

2. A/C SYSTEM

Auto A/C model

Item

Specification

Type of air conditioner

Reheat air-mix type

Cooling capacity

5.0 kW

(4,300 kcal/h, 17,064 BTU/h)

Refrigerant

HFC-134a (CH2FCF3)

[0.6±0.05 kg (1.32±0.11 lb)]

Compressor

Type

Vane rotary, fix volume (DKV-14G)

Discharge

140 cm3 (8.54 cu in)/rev

Max. permissible speed

7,000 rpm

Magnet clutch

Type

Dry, single-disc type

Power consumption

38 W (DC12 V-25°C)

Type of belt

V-belt 4 PK

Pulley dia. (effective dia.)

125 mm (4.92 in)

Pulley ratio

1.064

Condenser

Type

Corrugated fin (Sub cool type)

Core face area

0.234 m2 (2.52 sq ft)

Core thickness

16 mm (0.63 in)

Radiation area

5.6 m2 (62.28 sq ft)

Receiver drier

Effective inner capacity

220 cm3 (13.42 cu in)

Expansion valve

Type

External average pressure calculation

Evaporator

Type

Single tank

Dimension (height × length × width)

176.5 × 266 × 60 mm

(6.95 × 10.47 × 2.36 in)

Blower fan

Fan type

Sirocco fan

Outer diameter × width

150 × 75 mm (5.91 × 2.95 in)

Power consumption

230 W or less at 12.5 V

Condenser fan (Sub fan)

Motor type

Magnet

Power consumption

Non-turbo: 70 W at 12 V

Turbo: 120 W at 12 V

Fan outer diameter

320 mm (12.6 in)

Radiator fan (Main fan)

Motor type

Magnet

Power consumption

Non-turbo: 70 W at 12 V

Turbo: 120 W at 12 V

Fan outer diameter

320 mm (12.6 in)

Idling speed (A/C ON)

800±100 rpm

Triple switch

(Pressure switch)

Low-pressure switch operating pressure

ON → OFF

177±25 kPa

(1.80±0.25 kg/cm2, 25.60±3.56 psi)

OFF → ON

206±30 kPa

(2.10±0.31 kg/cm2, 29.86±4.41 psi)

High-pressure switch operating pressure

ON → OFF

2,940±200 kPa

(29.98±2.03 kg/cm2, 426.32±28.87 psi)

Difference

590±200 kPa

(6.02±2.03 kg/cm2, 85.6±28.87 psi)

Middle-pressure switch operating pressure

ON → OFF

1,370±120 kPa

(13.97±1.22 kg/cm2, 198.65±17.35 psi)

OFF → ON

1,770±100 kPa

(18.05±1.02 kg/cm2, 256.81±14.50 psi)

Thermo-control amplifier working temperature

(Evaporator outlet air)

(1) ON

(2) OFF

(3) 3.0±0.3°C (37±0.4°F)

(4) 1.5±0.5°C (35±0.9°F)

Manual A/C model

Item

Specification

Type of air conditioner

Reheat air-mix type

Cooling capacity

5.0 kW (4,300 kcal/h, 17,064 BTU/h)

Refrigerant

HFC-134a (CH2FCF3)

[600±50 g (1.32±0.11 lb)]

Compressor

Type

Vane rotary, fix volume (DKV-14G)

Discharge

140 cm3 (8.54 cu in) per rotation

Max. permissible speed

7,000 rpm

Magnet clutch

Type

Dry, single-disc type

Power consumption

38 W (DC12 V-25°C)

Type of belt

V-belt 4 PK

Pulley dia. (effective dia.)

125 mm (4.92 in)

Pulley ratio

1.064

Condenser

Type

Corrugated fin (Sub cool type)

Core face area

0.234 m2 (2.52 sq ft)

Core thickness

16 mm (0.63 in)

Radiation area

5.6 m2 (6.26 sq ft)

Receiver drier

Effective inner capacity

220 cm3 (13.42 cu in)

Expansion valve

Type

External average pressure calculation

Evaporator

Type

Single tank

Dimensions (W × H × T)

176.5 × 266 × 60 mm

(6.95 × 10.47 × 2.36 in)

Blower fan

Fan type

Sirocco fan

Outer diameter × width

150 × 75 mm (5.91 × 2.95 in)

Power consumption

260 W or less at 12.5 V

Condenser fan (Sub fan)

Motor type

Magnet

Power consumption

Non-turbo: 70 W at 12 V

Turbo: 120 W at 12 V

Fan outer diameter

320 mm (12.6 in)

Radiator fan (Main fan)

Motor type

Magnet

Power consumption

Non-turbo: 70 W at 12 V

Turbo: 120 W at 12 V

Fan outer diameter

320 mm (12.6 in)

Idling speed (A/C ON)

MPFI model

800±100 rpm

Triple switch

(Pressure switch)

Low-pressure switch operating pressure

ON → OFF

177±25 kPa

(1.80±0.25 kg/cm2, 25.60±3.56 psi)

OFF → ON

206±30 kPa

(2.10±0.31 kg/cm2, 29.86±4.41 psi)

High-pressure switch operating pressure

ON → OFF

2,940±200 kPa

(29.98±2.03 kg/cm2, 426.32±28.87 psi)

Difference

590±200 kPa

(6.02±2.03 kg/cm2, 85.6±28.87 psi)

Middle-pressure switch operating pressure

ON → OFF

1,370±120 kPa

(13.97±1.22 kg/cm2, 198.65±17.35 psi)

OFF → ON

1,770±100 kPa

(18.05±1.02 kg/cm2, 256.81±14.50 psi)

Thermo control amplifier working temperature

(Evaporator outlet air)

(1) ON

(2) OFF

(3) 3.0±0.3°C (37±0.4°F)

(4) 1.5±0.5°C (35±0.9°F)