Carrier 48HC D17 Series Service And Maintenance Instructions page 54

NOTE 1
RUN
NOTE 3
50HJ540573
ACTUATOR
ASSEMBLY
DIRECT DRIVE
ACTUATOR
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. PremierLink™ control requires that the standard 50HJ540569 outside-air sensor be replaced by either the CROASENR001A00 dry bulb sen
sor or HH57A077 enthalpy sensor.
3. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.
INPUTS
Demand Control
Ventilation (DCV)
Outdoor
(Free Cooling LED Off)
Below set
(DCV LED Off)
(Free Cooling LED On)
(Free Cooling LED Off)
Above set
(DCV LED On)
(Free Cooling LED On)
* For single enthalpy control, the module compares outdoor enthalpy to the ABCD setpoint.
† Power at N terminal determines Occupied/Unoccupied setting: 24 vac (Occupied), no power (Unoccupied).
** Modulation is based on the supply-air sensor signal.
†† Modulation is based on the DCV signal.
*** Modulation is based on the greater of DCV and supply-air sensor signals, between minimum position and either maximum position (DCV)
or fully open (supply-air signal).
††† Modulation is based on the greater of DCV and supply-air sensor signals, between closed and either maximum position (DCV) or fully
open (supply-air signal).
500 OHM
RESISTOR
Fig. 66 - - EconoMi$er2 with 4 to 20 mA Control Wiring
Table 18 – EconoMi$er IV Input/Output Logic
Enthalpy*
Y1 Y2
Return
On On
High
Low On Off
Off Off
On On
Low
High On Off
Off Off
On On
High
Low On Off
Off Off
On On
Low
High On Off
Off Off
VIOLET
PINK
OAT SENSOR
4-20mA SIGNAL
OUTPUTS
Compressor
Occupied
Stage Stage
1 2
On On
On Off Minimum position
Off Off
On Off
Modulating** (between min.
position and full-open)
Off Off
Off Off Minimum position
On On
Modulating†† (between min.
On Off position and DCV
maximum)
Off Off
On Off
Off Off Modulating***
Off Off
54
BLACK
4
TRANSFORMER
GROUND
3
5
BLUE
2
8
6
7
RED
1 24 VAC
10
11
9
4-20 mA
WHITE
TO J9 ON
12
PremierLink
BOARD
ECONOMISER2 PLUG
C08310
N Terminal†
Unoccupied
Damper
Closed
Modulating** (between
closed and full-open)
Closed
Modulating†† (between
closed and DCV
maximum)
Modulating†††