– 31 –
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:
S
Z
itch Position
Meaning
S2-1
o
Ⱥ
= 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
S
Z
itch Position
Meaning
S2-2 = o
Ⱥ
S2-3 = o
Ⱥ
15k BTU
S2-2 = on
S2-3 = o
Ⱥ
12k BTU
S2-2 = o
Ⱥ
S2-3 = on
9k BTU
S2-2 = on
S2-3 = on
7k BTU