Carrier 42qg24-h Manual

 
 
38
 
CONNECTING ELECTRICAL WIRING (Cont.) 
 
17-3 ELECTRICAL DATA 
Input Power Main Power 
Connections 
Cooling Split 
System 
Model Starting 
Current 
(Note 1) System 
Power 
Supply 35 °C 
* 46 °C 
** 52 °C 
*** Heating 
**** Circuit  
Breaker  Wire 
Size 
(Note 2)
 
Heat Pump Amp V/Ph/Hz Amp Watt Amp Watt Amp Watt Amp Watt Amp mm² 
Standard mild ambient outdoor unit with rotary compressor 
53QG18-H 52  9.5 1945 11.5 2425 - - 805 1745 20  4 
53QG24-H 78 220/1/50 
11.8 2435 13.9 2880 15.1 3130 11.8...

 
 
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LEGEND 
   Earth 
L     Live power supply. 
N     Neutral power supply. 
R     Live connection indoor/outdoor unit. 
C     Neutral connection indoor/outdoor unit. 
Y   Compressor control. 
O     Reversing valve control. 
W2     Outdoor fan motor control. 
 S   Outdoor coil sensor. 
LEGEND
 
   Earth 
L     Live power supply. 
N     Neutral power supply. 
R     Live connection indoor/outdoor unit. 
C     Neutral connection indoor/outdoor unit. 
Y        Compressor control. 
 
CONNECTING ELECTRICAL...

 
 
40
Piping
Decorative Tape
Saddles 
 
18. FINISHING INSTALLATION  
18-1  FINISHING STEPS FOR INSTALLATION   
 
d. Insert grille frame to the top of the 
indoor unit body.   
 
a. Tie together refrigerant piping, drain 
  hose, electrical connection cords. 
Form the refrigerant piping in the required 
direction and bind the drain hose, electrical 
connection cord and signal line together with 
vinyl tape. 
• The drain hose should be always at the bottom 
of lump to assure smooth drainage.  
• The lump...

 
 
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19. TEST RUNNING  
19.1 Note:  
- 
Operate test running after mounting air filters, return grill and cabinet. 
- Operate testing running after completion of connecting refrigerant piping lines,  
drain line and  electrical wiring 
 
19.2  STEPS FOR COOLING TEST RUNNING  
a.  Move circuit breaker to ON position. 
 
b.  After system operation becomes stabilized:      
- Measure high and low pressures to check 
correct refrigerant charge. (See figure & table) 
- Measure total Amps consumed by the...

 
 
42
 
TEST RUNNING  (Cont.) 
 
19.4  STEPS FOR HEATING TEST RUNNING  
 
a.  Move circuit breaker to ON position. 
 
b.  After system operation becomes stabilized: 
- Measure high and low pressures to check 
correct refrigerant charge. (See figure) 
- Measure total Amps consumed by the system. 
- Measure system-working voltage. 
 
 
 
 
 
System Heating Test Running   
 
SYSTEM MODEL 53QG18-H 53QG24-H 
AMBIENT TEMP    ºC  7 7 
HIGH PRESSURE    PSI   240  260 
LOW PRESSURE     PSI  52  50 
TOTAL AMPS...

 
 
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20. AIR CIRCULATION FOR INDOOR UNIT 42QG SERIES  
Air is supplied into the room through the supply grilles located on the bottom of the cabinet of the indoor unit. 
Air from the room is drawn into the indoor unit through the return grille and filters at the top of the indoor unit. 
• Make absolutely sure that the supply and return grilles of the indoor units are not obstructed (even partially). 
 
The airflow direction can be adjusted to optimize air distribution in the room. 
Press button SWING...

 
 
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21. AFTER INSTALLATION CHECK LIST 
 
21.1 INDOOR UNIT 
a.   The installation location is adequate.  
b.  The unit is solidly mounted and leveled.  
c.   The air filters are installed correctly.  
d.  The internal deflectors of supply air are adjusted for correct air diffusion.  
21.2 OUTDOOR UNIT 
a.   The installation location is adequate.  
b.  The unit is solidly mounted and leveled.  
c.   The wall support is fixed properly with the wall.  
d.  The service door and its fixing screw are...

 
 
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INSTALLATION CHECK LIST (Cont.) 
 
21.6 FINISHING INSTALLATION 
a.   The refrigerant piping lines, electrical cables and drain hose are lumped together. 
  The drain hose is at the bottom of lump. 
 
b.  The wall passage hole is properly sealed.  
21.7 TESTING RUNNING 
a.   The cooling and heating cycles are tested 
  At least one complete cooling cycle of unit operation is observed. 
  At least one complete heating cycle of unit operation is observed. 
 
b.  There is no any abnormal noise or...

 
 
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22.  INSTALLATION OF OPTIONAL AIR FILTERS 
 
22.1 NOTE: 
  Optional set of air filters can be added and field installed as shown below. 
 
 
22.2 TYPE OF AIR FILTERS:  
Standard anti – bacteria air filters for dust & bacteria removal 
 
Optional carbon filter for odor removal 
 
Optional photo-catalytic filter for cigarette smoke removal 
 
 
 
22.3 INSTALLATION STEPS OF OPTIONAL AIR FILTERS:  
Step (1): After lifting return air grill up to the top of the unit, pull the standard air filters...

 
 
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23.  SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION 
 
EXPLAINATION OF SELF-DIAGNOSTIC FUNCTION 
 
-  Self-diagnostic function is the key for success of air conditioner operation.  
-  The printed circuit boards existing inside the indoor unit are equipped with self-diagnostic function 
to detect malfunction and automatically stops the operation at the air conditioner. 
 
-  Once a malfunction is detected, the diagnostic control section will force the system mode to OFF 
for 3 minutes....