lift-master sw470 사용자 설명서
18
Installation
Doc 01-G0665
Rev C
Rev C
Electrical Power Connections
CAUTION
Make sure power is disconnected at the main power source and at the operator’s electrical
disconnect switch before proceeding.
disconnect switch before proceeding.
Secure all electrical power connections inside the power wiring compartment. Use the electrical wiring
diagram supplied with this unit.
diagram supplied with this unit.
All single phase operators will have – L1 (neutral), L2 (hot) and ground. All three phase operators will
have – L1, L2, L3 and ground. It is very important that operator is properly grounded.
have – L1, L2, L3 and ground. It is very important that operator is properly grounded.
IMPORTANT NOTE:On three phase operators the power connections must be properly
phased. If they are phased wrong the gate operator will run backwards. To correct this
situation, disconnect power a main power source and at the operator’s electrical disconnect
switch. Then, reverse any two of the three power leads.
phased. If they are phased wrong the gate operator will run backwards. To correct this
situation, disconnect power a main power source and at the operator’s electrical disconnect
switch. Then, reverse any two of the three power leads.
0 1 -0 6 6 5 F1 0
Figure 15