Mitsubishi Electric CITY MULTI PURY-EM200YNW-A Manuel D'installation page 28

9-4-2. Connecting the HBC controller
(1) Size of the pipe that fits the standard HBC controller ports
Ⓐ
Ⓒ
Ⓑ
Ⓔ Ⓔ
Ⓐ To outdoor unit
Ⓑ End connection (Brazed)
Ⓒ Main HBC controller
Ⓓ Sub HBC controller
Ⓔ
Indoor unit
Ⓕ Twinning pipe (not supplied)
Ⓖ Up to three units for 1 branch hole; total capacity: below 80 (but same in cooling/heating mode)
<Notice>
・To connect multiple indoor units to a port
- - Maximum total capacity of connected indoor units: WP80 or below
- - Maximum number of connectable indoor units: 3 units
- - 2-Branch Joint Pipes are not supplied.
All the indoor units that are connected to the same port must be in the same group and Thermo-ON/OFF
operation simultaneously. For all the indoor units in the group, the room temperature needs to be monitored via
the connected remote controller.
- - When connecting a WP71 through 125 model of indoor unit to an HBC controller, the pipes connecting the unit to
the same set of HBC controller ports cannot be branched out to connect additional units.
- - When connecting multiple indoor units including a WP63 unit to the same set of HBC ports, use a size 32A pipe
in the section indicated as "b' and c" and connect the WP63 unit to the pipe indicated as "c" in the figure. Refer to
section 9-4-1.
・Connecting WP100 or 125 indoor units to an HBC controller
- - When connecting WP100 or 125 indoor units to an HBC controller, connect each unit to two sets of two ports on
the HBC controller, using two Joint Pipe Kits. (See Fig. 9-4-1.)
- - Connect an increaser (20A-to-32A) to the merged side of each Joint Pipe Kit. (See Fig. 9-4-1.)
- - When connecting Joint Pipe Kits to HBC ports, the branched sides of the Joint Pipe Kits cannot be connected to
combinations of ports "4 and 5," "8 and 9," or "12 and 13." (See Fig. 9-4-2.)
- - When connecting a WP100 or a 125 model of indoor unit to an HBC controller, the pipes connecting the unit to
the same set of HBC controller ports cannot be branched out to connect additional units.
・Maximum connectable capacity of indoor units to HBC controller
- - HBC controller has two pumps. Each pump can accommodate the capacity of indoor units equivalent to P175.
Make sure that the total capacity of the indoor units connected to "ports 1 through 4 and 9 through 12" or "5
through 8 and 13 through 16" will not exceed P175. (See Fig. 9-4-2.)
WT08842X01
Ⓓ
Ⓕ
Ⓔ Ⓔ Ⓔ Ⓔ
Ⓖ
Ⓔ Ⓔ
GB-26