Carrier 42qg24-h Manual

							 
 
8
 
6. SPLIT SYSTEM DESCRIPTION 
 
 
1:  Remote control signal receiver. 
2:  Operating status leds.  6:  Supply air outlet 
3:  Supply air flap  7:  Characteristics nameplate. 
4:  Air return.  8:  Inter connecting tubing. 
5:  Air filter.  9:  Condensate drain line. 
Indoor Unit 
38
7
2
1
9  4 5
Outdoor Unit 
6 
						

							 
 
9
 
7. INSTALLATION ACCESSORIES 
 
7.1  STANDARD INSTALLATION ACCESSORIES Supplied from the factory  
DESCREPTION CONFIGURATION QTY USAGE 
Battery 1.5 volt size AAA 
alkaline type  2  To operate the wireless remote control 
Wireless remote control and 
Plastic holder for remote  
1 To operate the air conditioner 
To mount remote control on the wall 
Owner manual  1  To illustrate control functions of operation 
Installation Manual  1  To illustrate installation instructions. 
Insulation Tube. 
 
1 To insulate half unions and Flare nuts after 
connecting refrigerant piping lines to the 
indoor and outdoor units. 
Wall hang bracket 
 
1  For indoor unit installation on the wall. 
Self tapping screw 5 x L50  5  For wall hang bracket installation 
Tapping Screws  2 For adjustment the gap between indoor 
unit and wall.  
Drain Elbow  1 Outdoor unit 
Condensate drain  
  
7.2  OPTIONAL ACCESSORIES  Supplied from the factory as per the requirement  
DESCREPTION CONFIGURATION QTY USAGE 
Wall support for outdoor unit 
  1  To mount outdoor unit on the wall  
Floor support for outdoor unit 
  
1 To mount outdoor unit on the 
ground or floor 
Insulated refrigerant piping lines 
with flare couplings of lengths 
4-6-8-10-12 meter  
1 To connect Freon between 
outdoor and indoor units and 
refrigerant piping lines 
Optional air filters  
(Carbon air filter + Photo-catalytic 
air filter)  
Set of 2 To eliminate odor and cigarette 
smoke in the room air 
respectively. 
PTC starting device 
 
1 To start the compressor in 
outdoor unit at low voltage down 
187V 
  
						

							 
 
10
 
INSTALLATION ACCESSORIES (Cont.) 
 
7.4  OTHER INSTALLATION ACCESSORIES  
       Not supplied from the factory but must be used in the field to complete installation. 
 
DESCREPTION USAGE 
Electrical Connection Cords  To electrically connect the indoor unit, the outdoor unit and circuit 
breaker  
ـ Wall Sleeve  
ـ Wall Cap 
ـ Sealer putty To fill the gap between the wall hole and the lump of refrigerant 
piping lines, electrical connection cables and condensate drain line. 
ـ Finishing tape PVC film To tie together the refrigerant piping lines, electrical connection 
cables and condensate drain line. 
ـ Vinyl tape To stick pipe insulation. 
ـ Drain hose ID 16-17mm To remove condensate water, from the indoor unit to the outside. 
ـ Refrigerant piping lines  To connect Freon R22 between outdoor and indoor units 
ـ Pipe insulation To insulate suction and liquid refrigerant piping lines 
- Refrigerant R22 To adjust refrigerant charge for long refrigerant piping lines  
(more than 3 meter) 
-  Refrigerant Oil  To be added for long refrigerant piping lines (more than 10 meters) 
-  Clamps or saddles To secure the lump of refrigerant piping lines, electrical cables and 
condensate drain line 
  
						

							 
 
11
 
8. INSTALLATION CHART 
1) Installing outdoor unit 5) Connecting refrigerant 
piping lines 9) Air purging with  
a vacuum pump 
2) Drilling hole thru the 
wall 6) Connecting condensate 
drain line 10) Refrigerant leak test 
3) Installing indoor unit 7) Connecting electrical 
wiring 11) Opening service valves 
4) Processing pipes 
8) Finishing outer pipe 
covering 12) Finishing installation 
13) Test Running 
14) Description of operation Outdoor
unit
  
						

							 
 
12
 
9.  SELECTING INSTALLATION LOCATION FOR INDOOR UNIT  
 
9.1  CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION 
 
Avoid excessive height difference between 
indoor and outdoor units 
 
Avoid excessive length of refrigerant piping 
lines between indoor and outdoor units 
 
Location of Indoor Unit 
Relative to Space to be Air-Conditioned. 
The installation location should permit the unit 
to deliver air to all of the space to be uniformly 
air-conditioned. 
 
Avoid direct sunlight that may affect 
performance of the unit 
 
Avoid heat sources such as steam or flame 
that may   affect performance of the unit. 
 
Avoid obstructions such as Curtains, 
Furniture and Cloths…etc. These obstructions 
can affect motion of supply air and/or return 
air, which in turn affects unit efficiency and 
airflow. 
175CM  OR MORE   
						

							 
 
13
 
SELECTING INSTALLATION LOCATION FOR INDOOR UNIT (Cont.)   
CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION (Cont.) 
 
Avoid an installation location, which has an 
environment with oil vapors. 
 
Avoid an installation location which has an 
environment affected by high frequency waves 
generated as from radio equipment’s welders 
and medical equipment’s. 
Avoid installation location on humid walls or positions with water hazard, e.g. laundry premises. 
Check that the wall surface is flat enough to allow easy and safe installation. 
The wall structure should be strong enough to carry the unit weight and avoid deformation, 
rupture or vibration during operation. 
Choose an installation location that allows easy installation. 
Choose an installation location that allows for free air circulation service and maintenance 
minimum clearances. 
Choose an installation location where condensate water from indoor unit can easily be piped 
to an appropriate drain 
Location of Wall Hole 
The wall hole (required to pass refrigerant piping lines, electrical cables and drain hose) 
should be according to the selected installation location.  
  
						

							 
 
14
 
SELECTING INSTALLATION LOCATION FOR INDOOR UNIT (Cont.)    
9.2 POSSIBLE OUTLET LOCATIONS OF REFRIGERANT PIPING LINES FROM INDOOR UNIT 
 
 
Possible outlet locations of refrigerant 
piping lines from indoor unit. 
 
The refrigerant piping lines can be 
connected in one of the following Four 
outlet locations as indicated by (1), (2), (3) 
and (4) 
 
When the piping is connected to the 
direction of (1) or (2) or (4),  
Detach the knock – out either at the side 
or at the bottom of the unit. See fig. (2) 
 
 
NOTE:
  
The recommended outlet location to pass 
refrigerant piping lines, electrical cables 
and condensate drain line either from 
behind unit right or from behind unit left to 
keep appearance of installation and to 
facilitate installation. 
  
The unit hides the refrigerant lines; 
electrical cables and condensate drain line.
 
 
* Note:  
In case of impossibility of mounting the indoor unit directly on the wall, use floor support for indoor unit  
SROUTLET  
LOCATION NOTES 
1  UNIT RIGHT  Remove right side knock-out 
2 UNIT 
BOTTOM Remove bottom knock-out 
3   UNIT BACK  Do not remove side  
or bottom knock-out 
4  UNIT LEFT  Remove left side knock-out 
Fig. (1)
4 3  
2   1  
4
2   1  
Fig. (2) 
						

							 
 
15
 
10. SELECTING INSTALLATION LOCATION FOR OUTDOOR UNIT  
 
10.1 INSTALLATION LOCATIONS 
The condensing unit can be installed in any outside location, on a wall, roof or on a ground level.  
10.2  CONSIDERATIONS FOR SELECTING INSTALLATION LOCATIONS 
 
   
 Avoid excessive distance between outdoor 
and indoor units 
    
Avoid excessive height between outdoor 
and indoor units 
 Avoid any obstruction of the unit air outlet 
and intake or any obstacle that is too close  
 Avoid multiple unit installation with units 
facing each other. 
 Avoid unnecessary turns and bends in the 
refrigerant piping lines. 
  
						

							 
 
16
 
SELECTING INSTALLATION LOCATION FOR OUTDOOR UNIT (Cont.)  
CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION (Cont.)  
Avoid dripping into 
passageways.  
 
Avoid soiling of pipe 
ends   
Avoid allowing 
piping to get wet 
before connection 
 Avoid disconnecting 
the refrigerant 
connections after 
installation, this will 
cause refrigerant 
leaks  
Avoid connecting the condensate drain line 
to the outdoor unit.
 
 
a.  Weight of Outdoor Unit 
 The installation location of outdoor unit should be able to support operating weight of outdoor 
unit, and not cause vibration.  
b.  Effect of Direct Sunlight 
 The installation location of outdoor unit is preferable to be far away from the direct sunlight. 
c.  Effect of heat sources, steam or flammable gas 
 The installation location of outdoor unit should be far away from heat sources, steam or 
flammable gas. 
d.  Cleanness of location 
  The installation location of outdoor unit should be free of dust or any material, which can 
cause clogging of condenser coil. When installing unit on the ground, select a location not 
subjected   to flooding. 
   
When the installation is made on the rooftop or other places subject to strong wind : 
 
When the outdoor unit is to be installed on the rooftop or at the places where there are no other 
buildings around. it is required to avoid the strong wind from blowing directly into the air outlet of the 
outdoor unit so as to prevent the negative impacts on cooling or heating performances due to 
insufficient airflow of the outdoor unit heat exchanger and to prevent from faulty performances. 
  
When there are walls in the vicinity, the air outlet 
should face the wall and keep a space of 500mm 
from the wall. 
 
 
 
 
When the air outlet is affected by the strong wind, 
the installation position should be changed so as 
to make the air outlet at a straight angle from the 
wind direction.  
						

							 
 
17
 
11.  INSTALLATION LOCATION CHECK LIST  
 
(A) INDOOR UNIT 
-  The installation location is close to the outdoor unit  
-  The wall hole (required to pass refrigerant piping, electrical cables and drain line)  
  is on the unit right back 
 
-  The installation location permit the unit to deliver air to all of the space  
to be air-conditioned 
 
-  The installation location is far away from any sunlight  
-  The installation location is far away from any heat sources  
-  The installation location avoid obstructions, which affect motion of supply and/or 
return air to the unit 
 
-  The installation location permit free service space around the unit right, left and top  
(B) OUTDOOR UNIT 
-  The electrical power supply is close to the outdoor unit  
-  The installation location is close to the indoor unit  
-  The installation location is able to support operating weight of outdoor unit  
-  The installation location is far away from any sunlight  
-  The installation location is free of dust or any material,  
  which can cause clogging of outdoor coil 
 
-  The installation location allow sufficient space  
  for air circulation around the unit 
 
-  The installation location allow sufficient space  
  for service and maintenance around the unit 
 
(C)  REFRIGERANT PIPING LINES BETWEEN INDOOR AND OUTDOOR UNITS 
-  The excessive length of refrigerant piping lines is avoided  
-  The excessive height between indoor and outdoor units is avoided