GVZC20 Service Manual

SERVICING
54
TROUBLESHOOTING- OUTDOOR UNIT AND INDOOR UNIT FOR EEV APPLICABLE UNIT
Seng Funcon
1 OFF No Use
2 OFF No Use
3 OFF No Use
4 OFF No Use
5 OFF No Use
6 OFF No Use
7 OFF No Use
8 OFF No Use
9 OFF Heater Kit Selec�on in Emergency Mode
10 OFF Heater Kit Selec�on in Emergency Mode
11 OFF Heater Kit Selec�on in Emergency Mode
12 OFF Heater Kit Selec�on in Emergency Mode
13 ON
Allow in Emergency Mode (Fan Emergency Mode)
14 OFF Allow in Emergency Mode (Fan Emergency Mode)
15 ON EEV Enable**
16 OFF No Use
17 ON Emergency EEV Opening
18 OFF Emergency EEV Opening
19 OFF EEV Emergency Mode**
20 OFF No Use
21 OFF
Emergency mod
e (Cooling and Hea�ng Emergency Mode)
22 OFF Emergency mod
e (Cooling and Hea�ng Emergency Mode)
23 OFF No Use
24 OFF No Use
1 ON CT Communica�on Enable*
2 ON CT Communica�on Enable*
1 OFF Cooling Emergency mode*
2 OFF Cooling Emergency mode*
ID DS-5
ID DS-6
OD DS-1
OD DS-2
Switch #
Dipswitch
Default Factory Sengs
ID DS-1
ID DS-2
ID DS-3
ID DS-4
* Must be set at factory setting to operate the normal mode.
** Must be set at factory setting indoor unit with EEV. It’s prohibited to change setting.