IOM SYSVRF2 AHU BOX0620 20220209 134828067 20220209 140819162

24
5) Definitions of each bit of SW9:
6) Definitions of each bit of SW10:
ON
SW9-1 is 0: 2-digit digital display
panel (factory default)
SW9-2 is 1: 3-digit digital display
panel
SW9-3 is 0: no swing control
(factory default)
SW9-3 is 1: swing control
SW9-2 is 0: One or more AHU control
boxes are connected in parallel to one
AHU; one coil is connected to multiple
control boxes; (shielding faults from
the slave unit's temperature sensors
T1, T2, T2A, TA and T2B) (factory
default)
SW9-2 is 1: Multiple AHU control
boxes are connected in parallel. In the
event of multiple coils, one coil is
connected to one control box;
(shielding faults from the slave unit's
temperature sensor T1,TA)
Valid for the
master unit only
00: AHU BOX 2290 model
ON
Valid for the
master unit only
ON
Valid for the
master unit only
ON
12
7) Definitions of J1:
Without jumper; no short circuit
indicates a power failure memory
function (factory default)
With jumper, short circuit indicates no
power failure memory function
ON
12
01: AHU
BOX 90200 model
ON
12
10: AHU
BOX 200360 model
ON
12
11: AH
U BOX 360560 model
J1
J1