User Guide
Table Of Contents
- Code No. LIT- 1927385
- Issued February 1, 2009
- A419 Series
- Electronic Temperature Controls with NEMA 1 or NEMA 4X Watertight Enclosures
- A419 Control and Sensor
- The A419 series controls are single-stage, electronic temperature controls with a Single Pole, Double Throw output relay. They f...
- The A419 controls have heating and cooling modes, adjustable setpoint and differential, an adjustable anti-short cycle delay, an...
- The A419 can be used to control a wide variety of single-stage refrigeration or HVAC equipment. Typical applications include:
The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2009 Johnson Controls, Inc.
www.johnsoncontrols.com
2 of 2
Electronic Temperature Controls with NEMA 1 or NEMA 4X Watertight Enclosures
Technical Specifications and Electrical Ratings
Accessories and Replacement Parts
Code Number Item Description
A99BB-200C Replacement Temperature Sensors
1
PTC Sensor with 6-1/2 ft (2 m) Leads
A99BA-200C PTC Sensor with 6-1/2 ft (2 m) Shielded Leads
A99BB-25C PTC Sensor with 9 in (0.25 m)
BKT287-1R Accessory Mounting Hardware 12 in. (305 mm) long DIN Rail
BKT287-2R 36 in. (914 mm) long DIN Rail
PLT344-1R Two End Clamps for DIN Rail Mounting
CLK350-2 Digital Clock 7-Day Programmable Digital Clock for controlling Temperature Offset Function
WEL11A-601R Immersion Well Immersion Well for applying sensor in fluid applications
1. For other available sensors, see A99B Series Temperature Sensor Catalog Page, LIT-1900006
.
A419 Series Electronic Temperature Controls
with NEMA 1 General Purpose or NEMA 4X Watertight, Corrosion-Resistant Enclosures
Setpoint Range -30 to 212°F (-34 to 100°C)
Differential Range 1 to 30F° (1 to 30C°)
Supply Voltage 24 VAC, 60 Hz, Class 2 A419GBF (NEMA 1 Enclosure Model)
A419GEF (NEMA 4X Watertight Enclosure Model)
120 or 240 VAC, 60 Hz A419ABC (NEMA 1 Enclosure Model)
A419AEC (NEMA 4X Watertight Enclosure Model)
Power Consumption 1.8 VA Maximum
Output Relay Contacts
Electrical Ratings
24 VAC models A419GBF (NEMA 1 Enclosure)
A419GEF (NEMA 4X Watertight Enclosure)
100 VA, 30 VAC maximum, Class 2
120/240 VAC models A419ABC (NEMA 1 Enclosure)
A419AEC (NEMA 4X Watertight Enclosure)
Applied Voltage
Horsepower N.O. (N.C.)
Full Load Amperes N.O. (N.C.)
Locked Rotor Amperes N.O. (N.C.)
Non-inductive Amperes N.O. (N.C.)
120VAC 208VAC 240VAC
1 (0.25) hp 1 (0.33) hp 1 (0.5)
hp
16 (5.8) A 9.2 (4.0) A 8.0 (4.9) A
96 (34.8) A 55.2 (24) A 48 (29.4) A
15 (10) A 10 (10) A 10 (10) A
Pilot Duty 125 VA (N.O. contacts) @ 24 to 240 VAC
125 VA (N.C. contacts) @ 120 to 240 VAC
50 VA (N.C. contacts) @ 24 VAC
Sensor Type A99BB Type PTC Sensor (See attached Selection Chart)
Control Ambient
Temperature
Operating -30 to 140°F (-34 to 60°C)
Shipping -40 to 185°F (-40 to 85°C)
Ambient Humidity 0 to 95% RH Noncondensing; Maximum Dew Point: 85°F (29°C)
Control Material Case and Cover NEMA 1 High-impact Thermoplastic
NEMA 4X Watertight Corrosion-Resistant, High-Impact Noryl® Thermoplastic
Agency Listings UL: File E27734; CCN’s XAPX (US), XAPX7 (Canada)
FCC: CFR 47, Part 15, Class A. DOC, Class A