Mitsubishi Electric CITY MULTI PQRY-P200YMF-B Service Handbook page 44

System diagram
3
System for operating with Fresh Master (Lossnay)
Heat
source
unit 52
Indoor unit
51
BC
controller
TB3
01
101
Remote
controller
4 System for operating multiple-refrigerant + Fresh Master (Lossnay)
Change
CN41 CN40
Heat
Indoor unit
source
unit
51
TB7
01
TB3
52
101
BC
controller
Remote
controller
Heat
source
unit
55
TB7
08
TB3
Fresh
Master
56
BC
controller
Indoor unit Indoor unit Fresh Master
02 03
102 103
Remote Remote
controller controller
In series with ventilation
Indoor unit Indoor unit Indoor unit
02 03
103
Remote
controller
Indoor unit Indoor unit Indoor unit
07 06
107
In series with ventilation
Remote
controller
–41–
[Switch settings]
This is the same as 1 Individual operation.
However, keep the Fresh Master address within the 1
~50 range to avoid duplication with other indoor units.
[Registering with a remote controller]
Registers operation of Fresh Master and indoor units
04
using the remote controller.
Indoor unit
01, 02, 03
[Switch settings]
Same as 1 Individual operation.
[Managing electrical supply connector CN40]
Changes the single electrical supply connector of an
outdoor unit group from CN41 to CN40.
04
[Registration using a remote controller]
1 Group setting
After power is turned on, this changes indoor units
and network remote controllers to group setting.
Remote controller
101
103
05
107
2 Operation registration
After power is turned on, this activates operation
registration for Fresh Master and indoor units
using remote controllers.
Indoor unit
01, 02, 03
04, 05, 06
07
Description
Fresh Master
← →
04
*Remote controllers for groups
using different refrigerants connect
to transfer line of the latest indoor
unit in the group.
Indoor unit
← →
01, 02
← →
03, 04
05, 06
← →
07
Fresh Master
← →
08