Johnson Controls YVAHP072B31S, Service Manual

Page: 493 / 1796

Service Manual
1-477
INSTALLATION
10. Service Menu
1. Touch “Menu” on the “Monitor (All
Groups)” or “Monitor (Block)” screen.
2. The “Menu” screen is displayed.
3. Press and hold “Service Menu” for at
least three seconds.
The “Service Menu” is displayed.
4. Select the “Service Menu” function by
touching each item button.
The setting screen of selected
function will be displayed.
2
<Monitor (All Groups)> <Monitor (Block)>
10.1 Display of Service Menu Screen
Depending on the operating condition of the air conditioner unit and the mini central controller (listed as 1
through 4 below), the following functions cannot be selected.
Ɣ Group Register (1)
Ɣ A/C unit and Wired Controller setting (Optional Function Setting) (2)
Ɣ External Input/Output Setting (1, 2)
Ɣ Restore Settings (1, 3, 4)
Ɣ Checking Connection (1, 2)
1. When the External Input signal is ON
2. When one air conditioner unit is operating
3. When one air conditioner unit Wired Controller is restricted (Without Wired Controller not included).
4. When one outdoor unit is operating at capacity control.
1 1
3
4