The HLEXPAND includes 4 high voltage relays, 4 low voltage/heater relays, 4 valve outputs and 4 temperature sensor inputs. Additional relays and inputs/
outputs can be added using an HLRELAYBANK, HLIOEXPAND or HLRELAY(s) (see Accessories) . When wiring pool equipment to the HLEXPAND, keep a record
of all connections, just as you did with the HLBASE. To aid in this process, use the table below. To identify the various inputs/outputs, refer to the diagram on
the side of the table. After attaching equipment to the HLEXPAND, fill in the appropriate information in the table.
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