Mitsubishi Electric CITY MULTI PURY-P-YNW-A2 Installation Manual page 41

(2) Units "ft" and "oz" (In an R2 system)
<Formula>
・When the piping length from the outdoor unit to the farthest indoor unit is 30.5 m (100 ft) or shorter
Amount of High-pressure pipe
additional = ø1-3/8 total length
charge (oz) × 6.24 (oz/ft)
Liquid pipe ø3/4
+ total length
× 3.12 (oz/ft)
Main or sub
BC controller
J(1)-type
+
JA(1)-type
KA(1)-type
KB(1)-type
* Table Ⓑ does not apply to the indoor units listed in a separate document "Additional refrigerant charge."
To the indoor units listed in document, add the amount of refrigerant specified in the document.
The document is available for download at http://www.mitsubishielectric.com/ldg/ibim/.
Access the site, and enter the region and the outdoor unit model (not the indoor unit model) to be connected to see the document.
The indoor units not listed in the separate document "Additional refrigerant charge" must be charged with the additional amount of refrigerant
shown in Table Ⓑ.
* Contact your dealer for the amount of refrigerant to be added when connecting CMB-P**-V-G1, CMB-P**-V-GA1, CMB-P**-V-HA1, CMB-P**-
V-GB1, or CMB-P**-V-HB1.
* When connecting LEV kit (PAC-LV11M-J), additional refrigerant charge may be required. Refer to the installation manual of the LEV kit.
WT09973X01
High-pressure pipe
+ ø1-1/8 total length +
× 3.88 (oz/ft)
Liquid pipe ø5/8
+ total length +
× 2.16 (oz/ft)
Total capacity of
Amount
connected indoor
(oz/unit)
units
53 80 or below
106 81 to 160
166 161 to 330
15 331 to 390
391 to 480
+
481 to 630
631 to 710
711 to 800
801 to 890
891 to 1070
1071 to 1250
1251 or above
40
High-pressure pipe High-pressure pipe
ø7/8 total length + ø3/4 total length
× 2.48 (oz/ft) × 1.73 (oz/ft)
Liquid pipe ø1/2 Liquid pipe ø3/8
total length + total length
× 1.30 (oz/ft) × 0.65 (oz/ft)
Amount (oz)
(to be added for
indoor unit)
71
89
106
124
159
177
212
283
318
353
+
424
494
High-pressure pipe
+ ø5/8 total length
× 1.19 (oz/ft)
Liquid pipe ø1/4
+ total length
× 0.26 (oz/ft)
Ⓑ
Amount (oz)
Outdoor unit model
200
250
300
350
Single
400
450
500
550
400
450
500
550
600
650
700
Combination 750
800
850
900
950
1000
1050
1100
53
53
89
124
124
106
142
177
212
212
212
212
212
159
177
177
177
142
106
106
106
53
53