OCH790 _9
Branch box
PAC-MK53/54BC
PAC-MK53BCB
PAC-MK33/34BC
PAC-MK33BCB
Number of branches
(Indoor unit that can be connected)
5 (MAX. 5 units)
3 (MAX. 3 units)
Note:
•
A maximum of 2 branch boxes can be connected to 1 outdoor unit.
•
PAC-MK31/51BC(B) cannot use for connecting a Cylinder Unit or a Hydrobox.
2-branch pipe (joint), optional parts
Using 1 branch box
Not required
Using 2 branch boxes
Required
Connection method: flare (MSDD-50AR-E)
Connection method: brazing (MSDD-50BR-E)
Note: Select the appropriate model based on the connection method.
Option
Optional accessories of indoor units and outdoor units are available.
3-3. System construction (Mixed system)
Branch box
PAC-MK5
*BC
PAC-MK3
*BC
Number of branches 5 (MAX. 5 units) 3 (MAX. 3 units)
Outdoor unit
Model name
P112
P125
P140
Applicable
indoor unit
Capacity
class
CITY MULTI indoor unit
*
4
*
5
15 to 140
Via branch box
15 to 100
Number
of units
*
1
Via branch box
CITY MULTI
indoor
Via branch box
CITY MULTI
indoor
Via branch box
CITY MULTI
indoor
1 branch box
5
5
5
5
5
5
2 branch boxes
7 or 8
*2
3 or 2
*2
8
3
8
3
Total system capacity range
*
1
6.3 to 16.2 kW
7.1 to 18.2 kW
8.0 to 20.2 kW
50 to 130% of outdoor unit capacity
CITY MULTI indoor units
*3
M series
S series
P series
indoor units
*3
Cylinder unit
Hydrobox
MA
remote
controller
MA
remote
controller
CONNECTION KIT
PAC-LV11M-J
M series indoor unit
M-NET
remote
controller
Model name
CMY-Y62-G-E
CMY-Y64-G-E
CMY-Y68-G-E
Number of branches
2
4
8
*1. When connecting ecodan unit, the total capacity of connected Air to Air indoor units is up to 130% of the outdoor unit
(Air to Air 130% + ecodan). However, when operating Air to Air indoor unit(s) in heating mode and ecodan unit in
DHW or heating mode at the same time, the maximum connectable Air to Air indoor unit is below.
Model name
ATA total capacity
Can be exceptionally connected
P112
1.3 kW
MSZ-SF15VE or MSZ-AP15VF × 1
P125
2.8 kW
MSZ-SF15VE or MSZ-AP15VF × 2
P140
4.3 kW
MSZ-SF15VE or MSZ-AP15VF × 3
*2.
When connecting 7 indoor units via branch box, connectable CITY MULTI indoor units are 3; connecting 8 indoor
units via branch box, connectable CITY MULTI indoor units are 2.
*3.
Refer to “3-1. System construction” or “3-2. System construction (Branch box system)”, for more detail.
*4. PKFY-P10/15/20/25/32VLM, PFFY-P*VKM, PFFY-P*VCM, PFFY-P*VL* type indoor units cannot be used with Mixed
system.
*5. PEFY-P*VMHS-E-F can be connected within the total rated capacity and maximum number of connected units.
