Gree MULTI18HP230V1AO, Technical Product Manual

Page: 19 / 35

INDOOR UNIT COMBINATIONS
+Multi Outdoor Units
SELECTION CRITERIA
When selecting a variable speed system, match the system capacity to the calculated load of the building.
Since a variable speed system can accommodate a wide range of loads, it is important to understand the
percentage of time that the system will be required to run at both maximum and minimum load points.
Generally there will be more load diversification in residential applications (shifting from low load to high
load). Commercial applications tend to be more steady during normal daytime hours, and go to low load
levels after hours. The tables below are guidelines for selecting the proper size.
Model No: MULTI18HP230V1A 18,000 BtuH
Cooling Capacity (BtuH)
Heating Capacity (BtuH)
9K 9,000 5,118~11,940 9,000
12K 12,000 6,824~15,000 12,000
9K+9K 18,000 7,000~21,000 9,000 9,000
9K+12K 21,000 7,100~22,000 9,000 12,000
12K+12K 24,000 7,200~22,000 12,000 12,000
9K 9,500 5,460~15,360 9,500
12K 13,000 6,150~16,400 13,000
9K+9K 19,000 8,530~22,600 9,500 9,500
9K+12K 22,500 8,530~22,600 9,500 13,000
12K+12K 26,000 8,530~22,600 13,000 13,000
INDOOR UNITS
COMBINATIONS
INDOOR UNITS
COMBINATIONS
RATED SYSTEM
CAPACITY
(BtuH)
RATED SYSTEM
CAPACITY
(BtuH)
CAPACITY RATING
(MIN – MAX)
(BtuH)
CAPACITY RATING
(MIN – MAX)
(BtuH)
INDOOR
UNIT A
(BtuH)
INDOOR
UNIT A
(BtuH)
INDOOR
UNIT B
(BtuH)
INDOOR
UNIT B
(BtuH)
Note: It is critical to size the outdoor unit for the entire building load and each indoor unit for its individual zone load.
Capacity data is based on the following conditions:
Cooling Nominal Test Conditions Heating Normal Test Conditions
Indoor: 80°F DB/67°F WB Indoor: 70°F DB/60°F WB
Outdoor: 95°F DB/75°F WB Outdoor: 47°F DB/43°F W
18