Dip Switch S1 - Trane 7 Series Field Reference Data

Dip Switch S1

• Set the S1-1 and S1-2 dip switches for the OD
multiplier (tonnage) per the chart.
NOTE: All dip switches are factory set to "OFF".
INDOOR MODEL S1‐1
OFF
OFF
*AM7A0A24H21SA
ON
ON
OFF
OFF
*AM7A0B30H21SA
ON
ON
OFF
OFF
*AM7A0C36H31SA
ON
ON
OFF
OFF
*AM7A0C42H31SA
ON
ON
OFF
OFF
*AM7A0C48H41SA
ON
ON
OFF
OFF
*AM7A0C60H51SA
ON
ON
* May be "A" or "T"
NOTE: The OD multiplier in conjuction with the
CFM/TON can be used to adjust total airflow for your
application.
Example: 4.5T x 370 CFM/TON = 1665 CFM
** Not an actual OD size
• Set the S1-3 dip switch for AC or HP.
OD TYPE S1‐3
HP OFF
AC ON
S1‐2 OD MULTIPLIER
OFF 2
ON 1.5
OFF 2.5
ON 3
OFF 2
ON 1.5
OFF 2.5
ON 3
OFF 3
ON 2
OFF 2.5
ON 3.5
OFF 3.5
ON 2.5
OFF 3
ON 4
OFF 4
ON 3
OFF 3.5
ON 4.5**
OFF 4.5**
ON 3.5
OFF 4
ON 5
HP
R4
1
R NET 2
R1
U1
Airflow Control (AFC)
• Set the S1-4 dip switch for the number of stages
on the outdoor unit.
OD STAGES
1
2
16 SEER = 2 Stages
19 SEER = 2 Stages
20 SEER = 2 Stages
• Note: This dip switch should be changed while the
power is off or no demand is present. The power
must be shut off and then re-applied in order for the
AFC to recognize the change.
• Set the S1-5 dip switch for the number of
compressors.
# COMPRESSORS
1
2
16 SEER = 1 Compressor
19 SEER = 2 Compressors
20 SEER = 2 Compressors
TAM7­8
S1
OUTDOOR OUTDOOR
on
}
Capacity (Tons)
AC (System)
2 (Stages)
1
1 2 (Compressor)
S1
INDOOR
R NET 1
CFM/Ton
Cool Off Delay
R13
Torque
R14
D9
S2
C10
+12V
R22
S1‐4
OFF
ON
S1‐5
OFF
ON
on
CFM