Test Operation PACD011001C2
464 Test Operation UM Combination “MA1R Series” Using R-407C
1.5 Cool / Heat Mode Selection
The UM Combination “MA1R Series” Using R407C offers the following four cool/heat mode selections.
1. Setting of cool/heat by individual outdoor unit system by indoor unit remote controller
2. Setting of cool/heat by individual outdoor unit system by cool/heat selector
3. Setting of cool/heat by outdoor unit system group in accordance with group master outdoor unit by
indoor unit remote controller
4. Setting of cool/heat by outdoor unit system group in accordance with group master outdoor unit by cool/
heat selector
Each of these setting methods is explained in detail below.
(For
3
and
4
be sure to perform power supply reset after changing settings.)
1.5.1 Setting of Cool / Heat by Individual Outdoor Unit System by Indoor Unit Remote Controller
„
Doesn’t matter whether or not there is outdoor - outdoor unit wiring.
„
Set SS1 of the outdoor unit PCB to “IN / D UNIT” (factory set).
„
In setting mode 1, set cool/heat selection to “IND” (factory set).