Function Settings; Function Settings On Indoor Unit - Rheem RHMVZ3021SNAUNJ Design & Technical Manual

8. Function settings

To adjust the functions of this product according to the installation environment, various types of
function settings are available.
NOTE: Incorrect settings can cause a product malfunction.

8-1. Function settings on indoor unit

¢ Models: RHMVZ3021SNAUNJ, RHMVZ3621MNAUAJ, and
RHMVZ4821SNAUAJ
By using some components on the PCB, you can change the function settings.
Related components on the PCB and the applicable settings
Component
DIP switch101
 Component location
Components on the indoor unit main PCB used for the function settings are located as shown in
the following figure.
 DIP switch setting
• Switch 1: Setting change prohibited (SW101)
• Switch 2: Setting change prohibited (SW101)
• Switch 3: Fan delay setting (SW101)
When the indoor unit is stopped while operating in conjunction with auxiliary heater, the indoor
unit fan operation will continue for 1 minute.
Switch 3
8-1. Function settings on indoor unit
1
2
3
SW101
ON
OFF
Setting content
Setting change prohibited
Setting change prohibited
Fan delay setting
Fan delay
Enabled
Disabled
- 52 -
Factory setting
♦
8. Function settings