1 Chronicles 9:27

And they lodged all around the house of God, for upon them [was] a responsibility. And {they had charge of opening [the house of God] every morning}.

1 Samuel 3:15

So Samuel lay down until morning; then he opened the doors of the house of Yahweh, but Samuel was afraid of telling the vision to Eli.

1 Chronicles 23:30-32

And [they were] to stand {every morning}, thanking and praising Yahweh, and likewise in the evening,

Malachi 1:10

"Who also among you will shut [the temple] doors [so that] you will not kindle fire in vain [on] my altar? I take no pleasure in you," says Yahweh of hosts, "and {I will not accept} an offering from your hand.

Romans 12:7

if [it is] service, by service; if [it is] one who teaches, by teaching;

Treasury of Scripture Knowledge

Summary

And they lodged round about the house of God, because the charge was upon them, and the opening thereof every morning pertained to them.

Bible References

The charge

1 Chronicles 23:32
And they shall keep the responsibility of the tent of assembly, the responsibility of the sanctified objects, and the responsibility of the sons of Aaron, their brothers, to serve the house of Yahweh.
Romans 12:7
if [it is] service, by service; if [it is] one who teaches, by teaching;

The opening

1 Samuel 3:15
So Samuel lay down until morning; then he opened the doors of the house of Yahweh, but Samuel was afraid of telling the vision to Eli.
Malachi 1:10
"Who also among you will shut [the temple] doors [so that] you will not kindle fire in vain [on] my altar? I take no pleasure in you," says Yahweh of hosts, "and {I will not accept} an offering from your hand.