Design Technical Manual
Table Of Contents
- CHAPTER00
- CHAPTER01_General_information
- CHAPTER02_Model_selection
- 1. MODEL SELECTION PROCEDURE
- 2. MODEL LINE UP
- 3. MODEL SELECTION AND CAPACITY CALCULATION
- 4. CAPACITY TABLE COOLING (OUTDOOR UNIT)
- 5. CAPACITY TABLE HEATING (OUTDOOR UNIT)
- 6. CAPACITY COMPENSATION COEFFICIENT
- 7. CAPACITY TABLE COOLING (INDOOR UNIT)
- 7-1. COMPACT CASSETTE TYPE
- 7-2. CIRCULAR FLOW CASSETTE TYPE
- 7-3. CASSETTE TYPE
- 7-4. MINI DUCT TYPE
- 7-5. SLIM DUCT / SLIM CONCEALED FLOOR TYPE
- 7-6. MEDIUM STATIC PRESSURE DUCT TYPE
- 7-7. HIGH STATIC PRESSURE DUCT TYPE
- 7-8. VERTICAL AIR HANDLER TYPE
- 7-9. COMPACT FLOOR TYPE
- 7-10. FLOOR / CEILING TYPE
- 7-11. CEILING TYPE
- 7-12. WALL MOUNTED TYPE
- 8. CAPACITY TABLE HEATING (INDOOR UNIT)
- 8-1. COMPACT CASSETTE TYPE
- 8-2. CIRCULAR FLOW CASSETTE TYPE
- 8-3. CASSETTE TYPE
- 8-4. MINI DUCT TYPE
- 8-5. SLIM DUCT / SLIM CONCEALED FLOOR TYPE
- 8-6. MEDIUM STATIC PRESSURE DUCT TYPE
- 8-7. HIGH STATIC PRESSURE DUCT TYPE
- 8-8. VERTICAL AIR HANDLER TYPE
- 8-9. COMPACT FLOOR TYPE
- 8-10. FLOOR / CEILING TYPE
- 8-11. CEILING TYPE
- 8-12. WALL MOUNTED TYPE
- CHAPTER03_Outdoor_units
- CHAPTER04_Indoor_units
- CHAPTER05_Control_system
- 1. CONTROL SYSTEM
- 2. CONTROL UNITS
- 2-1. SYSTEM CONTROLLER
- 2-2. SYSTEM CONTROLLER LITE
- 2-3. TOUCH PANEL CONTROLLER
- 2-4. CENTRAL REMOTE CONTROLLER
- 2-5. WIRED REMOTE CONTROLLER (Touch panel)
- 2-6. WIRED REMOTE CONTROLLER
- 2-7. SIMPLE REMOTE CONTROLLER (With Operation mode)
- 2-8. SIMPLE REMOTE CONTROLLER (Without Operation mode)
- 2-9. WIRELESS REMOTE CONTROLLER
- 2-10. IR RECEIVER UNIT (for ALL DUCT TYPE)
- 2-11. IR RECEIVER UNIT (for CASSETTE TYPE)
- 2-12. IR RECEIVER UNIT (for CIRCULAR FLOW CASSETTE TYPE)
- 2-13. HUMAN SENSOR KIT (for CIRCULAR FLOW CASSETTE TYPE)
- 2-14. REMOTE SENSOR UNIT
- 2-15. PRESSURE SENSOR KIT
- 2-16. GROUP CONTROL METHOD
- 2-17. COMPARISON TABLE OF CONTROLLERS
- 3. ADAPTOR / CONVERTOR UNITS
- 4. SERVICE & WEB MONITORING TOOL
- CHAPTER06_System_design
- CHAPTER07_Function_setting
- CHAPTER08_External_input_and_output
- CHAPTER09_Notes
- CHAPTER10_Optional_parts
- CHAPTER99
2-5. ADDITIONAL CHARGE CALCULATION
● The outdoor unit is charged refrigerant at the factory.
● The additional refrigerant charge is calculated based on pipe length and outdoor unit model.
● The additional refrigerant charge amount is calculated according to the following formula.
● The overall refrigerant amount should not be exceed 66.1 lbs. (30kg) per outdoor unit.
● Round up the calculated result to two decimal places.
CALCULATION OF ADDITIONAL CHARGE REFRIGERANT
1. Calculation of additional amount for outdoor unit
Model Ton
d
Factory charged
amount [lbs. (kg)]
a
Additional amount for
outdoor unit [lbs. (kg)]
AOUA72TLBV 6 26.01 (11.80) 6.61 (3.00)
AOUA96TLBV 8 26.01 (11.80) 6.61 (3.00)
AOUA120TLBV 10 26.01 (11.80) 14.99 (6.80)
Diameter of liquid
pipe [in. (mm)]
b
Additional amount for pipe
length [lbs./ft. (kg/m)]
ø1/4" (6.35) 0.014 (0.021)
ø3/8" (9.52) 0.039 (0.058)
ø1/2" (12.70) 0.077 (0.114)
ø5/8" (15.88) 0.120 (0.178)
ø3/4" (19.05) 0.180 (0.268)
2. Calculation of additional amount for pipe length
a : Outdoor unit 1
additional amount for
outdoor unit
lbs.
(
kg)
a : Outdoor unit 2
additional amount for
outdoor unit
lbs.
(
kg)
a : Outdoor unit 3
additional amount for
outdoor unit
lbs.
(
kg)
A= + +
=
Total
lbs.
(
kg)
Total
length
of ø5/8"
(15.88mm)
liquid pipe
a :
x 0.120
lbs./ft.
(0.178 kg /
m)
ft. (m)
lbs. (kg)
Total
length
of ø3/4"
(19.05mm)
liquid pipe
a :
x 0.180
lbs./ft.
(0.268 kg/
m)
ft. (m)
lbs. (kg)
Total
length
of ø1/2"
(12.70mm)
liquid pipe
a :
x 0.077
lbs./ft.
(0.114 kg/
m)
ft. (m)
lbs. (kg)
Total
length
of ø3/8"
(9.52mm)
liquid pipe
a :
x 0.039
lbs./ft.
(0.058 kg/
m)
ft. (m)
lbs. (kg)
Total
length
of ø1/4"
(6.35mm)
liquid pipe
a :
x 0.014
lbs./ft.
(0.021 kg/
m)
ft. (m)
lbs. (kg)
+
+
+ +B=
=
Total
lbs.
(
kg)
3. Calculation of additional charge refrigerant
C = A + B =
lbs. (kg)
Round up C to 2 decimal place.
4. Calculation of factory charged amount
d : Outdoor unit 1
factory charged amount
lbs.
(
kg)
d : Outdoor unit 2
factory charged amount
lbs.
(
kg)
d : Outdoor unit 3
factory charged amount
lbs.
(
kg)
D= + +
=
To
tal
lbs.
(
kg)
5. Total refrigerant amount check
E = C + D =
lbs.
(
kg)
Note : Check the total refrigerant amount under the following conditions.
Condition Computational formula
For 1 outdoor unit per refrigerant system : Total amount of refrigerant ≤ 77.16lbs. (35.00kg) C ≤ 77.16lbs. (35.00kg)
For 2 outdoor units per refrigerant system : Total amount of refrigerant ≤ 154.32lbs. (70.00kg) C ≤ 154.32lbs. (70.00kg)
For 3 outdoor units per refrigerant system : Total amount of refrigerant ≤ 231.49lbs. (105.00kg) C ≤ 231.49lbs. (105.00kg)
When the total refrigerant amount exceeds the limitations.
● Reduce pipe length for refrigerant system.
● Change the refrigerant system configuration.
- (06 - 50) -
SYSTEM
DESIGN
SYSTEM
DESIGN