Johnson Controls A419 Series Installation Instructions

Table 4: A419 Output Relay Operation in Different Operating modes
Setpoint
Mode
Operating
Mode
Output Relay is Energized (closing
the NO and COM contacts) at…
Output Relay is De-energized (opening
the NO and COM contacts) at…
Cooling Setpoint plus differential Setpoint
Cutout
Heating Setpoint minus differential Setpoint
Cooling Setpoint Setpoint minus differential
Cut-in
Heating Setpoint Setpoint plus differential
Fault Codes
If the LCD displays an alarm or fault code (SF or EE),
consult
Table 5 for explanation.
Table 5: Fault Codes Defined
Fault Code Definition System Status Solution
SF flashing alternately
with
OP
Open temperature
sensor or sensor wiring
Output functions according to
the selected sensor failure mode
(SF setting)
See Troubleshooting section.
Cycle power to reset the control.
SF flashing alternately
with
SH
Shorted temperature
sensor or sensor wiring
Output functions according to
the selected sensor failure mode
(SF setting)
See Troubleshooting section.
Cycle power to reset the control.
EE
Program failure Output is off
Reset the control by pressing
MENU. If problems persist, replace
the control.
Repairs and Replacement
Do not attempt to repair or recalibrate the
A419 temperature control. In case of a defective or
improperly functioning control, contact your nearest
Authorized Johnson Controls/PENN Distributor or
Sales Representative.
When contacting your Johnson Controls/PENN
Distributor, have the model number of the control
available. This number can be found on the label
inside the cover of the control.
Ordering Information
Refer to Table 6 to order sensors, mounting hardware
and other accessories used to install A419 controls.
Contact your nearest Johnson Controls/PENN
Distributor or Sales Representative to order these
products.
Table 6: A419 Controls Accessories
Product Code Number Description
A99BB-200
A99BA-200
Temperature Sensor: PTC Sensor with 6-1/2 ft (2 m) Non-shielded 2-Wire Lead
Temperature Sensor: PTC Sensor with 6-1/2 ft (2 m) Shielded 2-Wire Lead
BKT287-1R DIN Rail: 12 in. (305 mm) long
BKT287-2R DIN Rail: 36 in. (914 mm) long
PLT344-1R End Clamps for DIN Rail Mounting
CLK350-2C 7-Day Programmable Digital Clock for activating Binary Offset
WEL11A-601C Immersion Well for Mounting Sensor in Liquid Applications
A419 Electronic Temperature Control with NEMA 1 and NEMA 4X Watertight Enclosures Installation Instructions 7

Johnson Controls A419 Series Specifications

General

Brand	Johnson Controls
Model	A419 Series
Category	Temperature Controller
Language	English