Dip Switch Configuration; Dip Switch Factory Settings - Carrier 50EJ Installation, Start-Up And Service Instructions Manual

Table 10A — DIP Switch Configuration (Version 1.0 of Unit Control Software)
SETTING 1 2
CCN/
OPEN VAV
Sensors
CLOSED CV TSTAT
LEGEND
CCN — Carrier Comfort Network
CV — Constant Volume
I/O — Input/Output
POS. — Position
TSTAT — Thermostat
VAV — Variable Air Volume
Table 10B — DIP Switch Configuration (Version 2.0 of Unit Control Software)
SETTING 1
VAV — Space Sensor
Installed
OPEN VAV
CV — CCN or Sensors
VAV — No Space Sensor
CLOSED CV
CV — Thermostat
LEGEND
CCN — Carrier Comfort Network
CV — Constant Volume
VAV — Variable Air Volume
Table 11A — DIP Switch Factory Settings (Version 1.0 of Unit Control Software)
UNIT 1
50EJ/EW Closed
50EK/EY Open
Table 11B — DIP Switch Factory Settings (Version 2.0 of Unit Control Software)
UNIT 1
50EJ/EW Closed
50EK/EY Open
3 4
Field
Expansion
Test
I/O Board
ON
Field
Base Board
Test
Only
OFF
2 3
Expansion
Board
Used
Base Control
Board Only
2 3
Closed Closed
Closed Closed
2 3
Closed Closed
Closed Closed
5 6
Modulated Time Guard Override
Power ON/ Set Min.
Exhaust Damper Pos. ON
CV Time Guard Override
Power OFF/ Set Min.
Exhaust Damper Pos. OFF
NOTES:
1. The Factory Test DIP switch should not be enabled in the field.
2. The OPEN side of the DIP switch is marked ''OPEN.'' When the
rocker switch is on the ''OPEN'' side of the switch, the switch is
open.
3. If DIP switch no. 1 is open, DIP switch no. 2 is ignored, since VAV
units control to supply-air temperature.
4 5
VAV —
Occupied Time Guard Override
Heat
Enabled
Field Test
ON
CV — IN CONJUNCTION
Modulated WITH FIELD TEST
Power — Set Minimum
Exhaust Damper Position
VAV —
Occupied
Heat
Disabled
Field Test Time Guard Override
CV —
OFF
Constant
Volume
Power
Exhaust
NOTES:
1. The OPEN side of the DIP switch is marked ''OPEN.'' When the
rocker switch is on the ''OPEN'' side of the switch, the switch is
OPEN.
2. The configuration of DIP switches 2 and 5 are dependent on DIP
switch 1. If DIP switch 1 is set to OPEN (VAV operation), then DIP
switches 2 and 5 will configure CV functions.
3. When the unit is field-tested (DIP switch 4 to OPEN), the function
of DIP switch 6 changes and it is used to set the minimum damper
position.
4 5
Closed Closed
Closed Open
4 5
Closed Closed
Closed Closed
34
7
Gas Heat Factory Test ON
Electric Heat Factory Test OFF
6 7
ON
Gas Heat
Electric Heat
OFF
6 7
Closed Closed
Closed Closed
6 7
Closed Closed
Closed Closed
8
8
Heat Pump
Operation
Air Conditioner
Operation
8
Closed
Closed
8
Closed
Closed