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No model number is programmed into the service
board so it must be con¿gured using the on-board
DIP switches.
The BTU setting for S2-2 and S2-3 is as follows:
SZitch Position Meaning
S2-1 oȺ = heat pump
on = air conditioner
S2-2 BTU setting (See chart
below)
S2-3 BTU setting
S2-4 Make-up air module ¿tted
S3-1 Heat pipe option ¿tted
S3-2 Indoor outlet thermistor
¿tted
S3-3 not used
S3-3 not used
SZitch Position Meaning
S2-2 = oȺ
S2-3 = oȺ
15k BTU
S2-2 = on
S2-3 = oȺ
12k BTU
S2-2 = oȺ
S2-3 = on
9k BTU
S2-2 = on
S2-3 = on
7k BTU