Daikin VRV RXYQ72AATJ Series, Installation Manual

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15 English
Table A
Double upsizing
Outdoor unit capacity type Liquid pipe
RXYQ72, 96A type
φ
3/8 in. (9.5 mm)
→ φ
5/8 in. (15.9 mm)
RXYQ120, 144A type
φ
1/2 in. (12.7 mm)
→ φ
3/4 in. (19.1mm)
RXYQ168-240A type
φ
5/8 in. (15.9 mm)
→ φ
7/8 in. (22.2 mm)
RXYQ264-480A type
φ
3/4 in. (19.1 mm)
→
Not applicable
Please refer to table B below to see pipe length limits for single and double upsize scenarios. Refrigerant charge limits in Table C must be fol-
lowed.
Table B
Max height difference table - Outdoor unit installed above indoor units
Outdoor unit capacity type Main liquid pipe size
295<H1<361
Outdoor unit to Indoor unit
vertical height difference
Indoor unit to Indoor unit
height difference
Actual Outdoor unit to
Indoor unit piping length
RXYQ72-240A type
Single upsize 328 ft. (100 m)
66 ft. (20 m) 394 ft. (120 m)
49 ft. (15 m) 540 ft. (165 m)
Double upsize 361 ft. (110 m)
98 ft. (30 m) 394 ft. (120 m)
66 ft. (20 m) 492 ft. (150 m)
49 ft. (15 m) 540 ft. (165 m)
RXYQ264-480A type
Single upsize 361 ft. (110 m)
66 ft. (20 m) 394 ft. (120 m)
49 ft. (15 m) 492 ft. (150 m)
33 ft. (10 m) 540 ft. (165 m)
See [2-35]=Height difference setting on page 38, [2-49]=Height difference setting on page 39.
Table C
Refrigerant charge limits when 295<H1<361
Outdoor unit capacity type Additional refrigerant amount
RXYQ72A type
67.0 lbs. (30.4 kg)
RXYQ96A type
74.3 lbs. (33.7 kg)
RXYQ120A type
94.4 lbs. (42.8 kg)
RXYQ144A type
103.4 lbs. (46.9 kg)
RXYQ168A type
135.6 lbs. (61.5 kg)
RXYQ192A type
145.5 lbs. (66.0 kg)
RXYQ216A type
155.2 lbs. (70.4 kg)
RXYQ240A type
166.2 lbs. (75.4 kg)
RXYQ264A type
203.5 lbs. (92.3 kg)
RXYQ288A type
209.2 lbs. (94.9 kg)
RXYQ312A type
211.4 lbs. (95.9 kg)
RXYQ336A type
213.2 lbs. (96.7 kg)
RXYQ360A type
216.3 lbs. (98.1 kg)
RXYQ384A type
217.6 lbs. (98.7 kg)
RXYQ408A type
218.9 lbs. (99.3 kg)
RXYQ432A type
219.8 lbs. (99.7 kg)
RXYQ456A type
220.9 lbs. (100.2 kg)
RXYQ480A type
220.9 lbs. (100.2 kg)
(b) To extend H2 longer than 30m (up to 40m or less), observe the following two limiting conditions:
1. The indoor unit located lowest position shall only be the models with the following capacities: 05, 07, 24, 30, 36
2. The hight difference between indoor and outdoor units shall be less than 90 m.
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