Fujitsu ABHG18LVTB User Manual

6. SYSTEM DESIGN
SEPARATION TUBE3-2.
PIPE CONNECTION

CAUTION
Be sure to apply the pipe against the port on the indoor unit correctly. If the centering is improper, 
the flare nut cannot be tighten smoothly. If the flare nut is forced to turn, the threads will be
damaged.
Do not remove the flare nut from the indoor unit pipe until immediately before connecting the

connection pipe.
Hold the torque wrench at its grip, keeping it in the right angle with the pipe, in order to tighten the 
flare nut correctly.
Tighten the flare nuts with a torque wrench using the specified tightening method. Otherwise, 
the flare nuts could break after a prolonged period, causing refrigerant to leak and generate a
hazardous gas if the refrigerant comes into contact with a flame.
hen the are nut is tightened proper b our hand hod the bod side couping with a separate
spanner then tighten with a torue wrench. ee the tabe beow or the are nut tightening torues.
Flare nut
[mm (in.)]
Tightening torque
[N·m]
6.35 (1/4) 16 to 18
9.52 (3/8) 32 to 42
12.70 (1/2) 49 to 61
15.88 (5/8) 63 to 75
19.05 (3/4) 90 to 110
Type of separation tube

Name and shape
Liquid pipe Gas pipe
Positioning of separation tube

CAUTION
If it is placed horizontally, keep it within ± 15°. Otherwise, it will not separate the refrigerant evenly, 
causing a reduction in performance.
Place the separation tube in a horizontal position as much as possible. Only place the separation 
tube as shown below during unavoidable circumstances.
A
B
A
B
A
B
±15°
Horizontal
OK
A: Outdoor unit or Separation tube
B: Branch box or Separation tube
OK OK
Not good Not good
Horizontal
line
Vertical
or
- (06 - 30) -
SYSTEM DESIGN SYSTEM DESIGN

Fujitsu ABHG18LVTB Specifications

General

Type	Air conditioner indoor unit
Timer	Yes
Multi-split	-
Product color	White
Gas hose diameter	12.7 mm
Hose length (max)	25 m
Drain hose diameter	25 mm
Liquid hose diameter	6.35 mm
Refrigerating medium	R410A
Dehumidifying capacity	2 l/h
Air conditioner functions	Cooling, Heating
Cooling capacity in watts (max)	5900 W
Cooling capacity in watts (min)	900 W
Heating capacity in watts (max)	7500 W
Cooling capacity in watts (nominal)	5200 W
Cooling energy efficiency (EER, W/W)	3.21
Heating energy efficiency (COP, W/W)	3.61
Operating temperature (cooling) (T-T)	-15 - 46 °C
Operating temperature (heating) (T-T)	-15 - 24 °C
Seasonal efficiency rating (cooling) (SEER)	6.1
Heating capacity in watts (nominal) (Warmer heating season)	- W
Heating capacity in watts (nominal) (Average heating season)	6000 W
Seasonal efficiency rating (heating) (SCOP) (Average heating season)	4
AC input voltage	230 V
Current (cooling)	9 A
Current (heating)	12.5 A
AC input frequency	50 Hz
Design load (cooling)	5.2 kW
Energy efficiency class (cooling)	A++
Annual energy consumption (cooling)	298 kWh
Hourly energy consumption (cooling)	- kWh
Design load (heating) (Warmer heating season)	- kW
Energy efficiency class (heating) (Average heating season)	A+
Annual energy consumption (heating) (Average heating season)	1819 kWh
Indoor unit depth	655 mm
Indoor unit width	990 mm
Indoor unit height	199 mm
Indoor unit weight	27000 g
Indoor units quantity	1
Indoor unit noise level (high speed)	- dB