Sinclair GSH-60IRA Manual page 44

AIR-TO-WATER HEAT PUMP CONTROL PANEL MENU
1. Press "▲" and "▼" button to adjust starting hour. Press "Set" button to save the
adjustment and set starting minute.
2. Press "▲" and "▼" button to adjust starting minute. Press "Set" button to save the
adjustment and to set stopping hour, with "OFF" icon showing.
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