Test Operation SiE33-102
72 General Information
4.5 Cool/Heat Mode Selection
The R-22 VRV PLUS Series offers the following four cool/heat mode selections.
1. Setting of cool/heat by individual outdoor unit system by indoor unit remote control
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 control
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.)
4.5.1 Setting of Cool / Heat by Individual Outdoor Unit System by Indoor Unit Remote Control
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).
Si33-102.book Page 72 Tuesday, June 26, 2001 3:18 PM
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