Specifications
WR2SD-18
WR2-SERIES SYSTEM DESIGN (June 2010)
WR2-SERIES
SYSTEM DESIGN
2. M-NET CONTROL
PQRY-P-TSHMU/YSHMU PQRY-P-THMU/YHMU
2-4-3-2. MA remote controller, Single-refrigerant-system, System Controller
2. Address should be set to Indoor units and central controller.
3. For a system having more than 32 indoor unit (P06-P54), confirm the need of Booster at 2-3 "System configuration
restrictions".
NOTE:
1. Heat source units OC and OS in one refrigerant circuit system are automatically detected.
OC and OS are ranked in descending order of capacity. If units are the same capacity, they are ranked in ascending order
of their address.
Indoor unit
MA R/C
MA R/C
(Main) (Sub)
MA R/C
*1 For Wireless R/C and Signal receiver unit (SRU), channel 1, 2 and 3 are selectable and should be set to same channel.
*SC can be connected to TB3 side or TB7 side;
Should SC connected to TB7 side, change Jumper from CN41 to CN40 at the Heat source unit module so as to supply power to the
SC.
201
SC
01 02 03 04 05
TB15
TB5 TB5TB5 TB5 TB5
MA R/C
TB15 TB15 TB15 TB15
SRU
Wireless R/C
1*
1*
TB02
53
BC controller
Group 2Group 1 Group 3Group 4
TB3TB3
5251
OC OS
TB3
51
OC
CN41CN40CN41CN40 CN41CN40
ON
DipSW2-1
ON
DipSW2-1
ON
DipSW2-1
4. Indoor units should be set with a branch number.
<Two heat source units>
<One heat source units>










