Trane BCHE Installation, Operation And Maintenance Manual page 97

Table 33. Configuration settings of the motor control board (for reference only)
Description User Interface
on Unit Label Name
Mtr 1 High Spd
H H i i 1 1
Mtr 1 Med Spd
m m d d 1 1
Mtr 1 Low Spd
l l o o 1 1
EHStg1 Mtr1
E E 1 1 m m 1 1
Spd
EH Stg 2 Mtr 1
E E 2 2 m m 1 1
Spd
AI High Spd Mtr
a a h h m m 1 1
1
AI Low Spd Mtr
a a l l m m 1 1
1
Mtr 2 Hgh Spd
H H i i 2 2
Mtr 2 Med Spd
M M d d 2 2
Mtr 2 Low Spd
L L o o 2 2
EHStg1 Mtr2
E E 1 1 m m 2 2
Spd
EH Stg 2 Mtr 2
E E 2 2 m m 2 2
Spd
AI High Spd Mtr
a a h h m m 2 2
2
AI Low Spd Mtr
a a l l m m 2 2
2
Op Mode Mtr 1
m m o o d d 1 1
Op Mode Mtr 2
m m o o d d 2 2
Mtr 1 Out
s s i i g g 1 1
Format
Mtr 2 Out
s s i i g g 2 2
Format
Mtr 1/2 PWM
f f r r e e q q
Freq.
Mtr 1 PWM Volt M M 1 1 v v l l
Mtr 2 PWM Volt M M 2 2 v v l l
Mt1 Hgh PWM
M M 1 1 h h i i
Lt
BCX-SVX002A-EN
Typical User Interface
Description
Value
Sets the high-speed rpm for Motor 1.
1 1 0 0 8 8 0 0
Sets the medium-speed rpm for
7 7 7 7 7 7
Motor 1.
Sets the low-speed rpm for Motor 1.
6 6 3 3 2 2
Assigns an rpm to be associated with a
call for 1
0 0
Motor 1 (only on units equipped with
electric heat).
Assigns an rpm to be associated with a
call for 2
0 0
Motor 1 (only on electric heat equipped
units).
Sets the maximum rpm for Motor 1 for
the maximum input value of the analog
0 0
input.
Sets the minimum turn-on rpm for
0 0 Motor 1, when the analog input
becomes active.
Sets the high-speed rpm for Motor 2.
0 0
Sets the medium-speed rpm for
0 0
Motor 2.
Sets the low-speed rpm for Motor 2.
0 0
Assigns an rpm to be associated with a
call for 1
0 0
Motor 2 (only on electric heat equipped
units).
Assigns an rpm to be associated with a
call for 2
0 0
Motor 2 (only on electric heat equipped
units).
Sets the maximum rpm for Motor 2 for
the maximum input value of the analog
0 0
input.
Sets the minimum turn-on rpm for
0 0 Motor 2, when the analog input
becomes active.
Sets the operational mode for Motor 1.
r r p p m m
Sets the operational mode for Motor 2.
r r p p m m
Sets the interface type for Motor 1.
p p w w M M
Sets the interface type for Motor 2
p p w w M M
Sets the PWM frequency, for cases
1 1 0 0 0 0
when the PWM outputs are used.
Sets the PWM voltage, for cases when
5 5
the PWM outputs are used.
Sets the PWM voltage, for cases when
5 5
the PWM outputs are used.
Sets the maximum output percentage
9 9 0 0 that the controller will request from
Motor 1.
st
stage electric heat, for
nd
stage electric heat, for
st
stage electric heat, for
nd
stage electric heat, for
ECM Overview and Setup
Do not exceed 2300 rpm.
Do not set under 600 rpm.
E E 1 1 M M 1 1 , E E 1 1 M M 2 2 , E E 2 2 M M 1 1 , E E 2 2 M M 2 2 settings are locked out
on units with electric heat.
Analog inputs below the v v F F l l r r setting will be
rejected.
Blower coils have only one motor.
If the unit has only one motor, all seven speed
settings for the second motor
(H H i i 2 2 , M M d d 2 2 , L L o o 2 2 , E E 1 1 M M 2 2 , E E 2 2 M M 2 2 , A A L L M M 2 2 ,
A A H H M M 2 2 ) should be set to zero.
Must be set to r r p p m m for blower coil units.
Must be set to r r p p m m for blower coil units.
Must be set to P P W W M M for blower coil units.
Must be set to P P W W M M for blower coil units.
On blower coil units, the P P W W M M must not be
changed.
This setting must NOT be changed, as damage
to the motor may occur!
This setting must NOT be changed, as damage
to the motor may occur!
This envelope protection value should not be
altered.
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