MrCool MST03 - Typical Hookup of Single-Stage Heat Pump with Auxiliary;Backup Heat

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1. POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2. FACTORY INSTALLED JUMPER.
3. MUST CONNECT THE 24VAC COMMON WHEN USING L. THE TERMINAL IS SHOWN AS EQUIPMENT MONITOR.
4."O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B" IN THE INSTALLER SETUP.
Fig. 19. Typical hookup of single-stage heat pump with auxiliary/backup heat (2H/1C heat pump).