Submittal Sheet

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.
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A19 Series
Remote Bulb Control
Code No. LIT-1927010
Issued February 1, 2009
Description
The A19 Series are single-stage temperature
controls that incorporate environmentally
friendly liquid-filled sensing elements.
A19 Series
Action on Increase
of Temperature
Y
B
R
A19 Series
Terminal Arrangement for SPDT
a19.eps
Features
• wide temperature ranges available
• constant differential throughout the entire
range
• compact enclosure
• fixed or adjustable differential available
• variety of sensing element styles
• unaffected by cross-ambient conditions
Applications
The A19 is suitable for temperature control in
heating, ventilating, air conditioning, and
refrigeration.
Selection Charts
A19 Series Remote Bulb Control
1
1. Specify the control model code number, packing nut code number (if required), and bulb well code number (if required).
Code
Number
Switch
Action
Range
°F (°C)
Diff
F° (C°)
Bulb and
Capillary
Bulb Well No.
(order
separately)
Range
Adjuster
Max. Bulb
Temp. °F (°C)
Adjustable Differential (Wide Range)
A19ABA-40C
2
2. Replaces White-Rodgers 1609-101
SPST
Open Low
-30 to 100 (-34 to 38) 3 to 12 (1.7 to 6.7) 3/8 in. x 4 in., 6 ft
. Cap. WEL14A-602R Screwdriver Slot 140 (60)
A19ABC-4C SPDT 50 to 130 (10 to 55) 3 1/2 to 14 (1.9 to 8) 3/8 in. x 5 in., 8 ft
. Cap. WEL14A-603R Knob 170 (77)
A19ABC-24C
3
3. Replaces White-Rodgers 1609-12, -13; Ranco 010-1408, -1409, - 1410, -1490, 060-110; Honeywell L6018C-1006, L6021A-1005, T675A-1011, -1508, -1516,
-1821, T4301A-1008, T6031A-1011, T6031A-1029
SPDT -30 to 100 (-34 to 38) 3 to 12 (1.7 to 6.7) 3/8 in. x 4 in., 8 ft
. Cap. WEL14A-602R Convertible 140 (60)
A19ABC-36C SPDT -30 to 100 (-34 to 38) 3 to 12 (1.7 to 6.7) 3/8 in. x 4 in., 20 ft
. Cap. WEL14A-602R Convertible 140 (60)
A19ABC-37C SPDT -30 to 100 (-34 to 38) 3 to 12 (1.7 to 6.7) 3/8 in. x 4 in., 10 ft
. Cap. WEL14A-602R Screwdriver slot 140 (60)
A19ABC-74C SPDT -30 to 100 (-34 to 38) 3 to 12 (1.7 to 6.7) 3/8 in. x 4 in., 6 ft
. Cap. WEL14A-602R Screwdriver slot 140 (60)
Fixed Differential
A19AAF-12C SPDT 25 to 225 (-4 to 107) 3 1/2 (1.9) 3/8 in. x 3 in., 10 ft. Cap. WEL14A-602R Screwdriver slot 275 (135)
Fixed Differential (Case Compensated)
A19AAC-4C SPDT 0 to 80 (-18 to 27) 5 (2.8) 3/8 in. x 4 in., 6 ft. Cap. WEL14A-602R Screwdriver slot 140 (60)
A19AAD-12C SPST
Open Low
-30 to 50 (-34 to 10) 2 1/2 (1.4) 3/8 in. x 4 in., 7 ft
. Cap. WEL14A-602R Screwdriver slot 140 (60)
Fixed Differential (Close)
A19AAD-5C
4
4. Case-Compensated
SPST
Open Low
30 to 50 (-1 to 10)
(Bulk Milk Cooler)
2 1/2 (1.4) 3/8 in. x 2 5/8 in.,
6 ft. Cap.
WEL16A-601R Screwdriver slot 190 (88)
A19AAF-20C SPDT -30 to 100 (-34 to 38) 2 1/2 (1.4) 3/8 in. x 4 in., 6 ft
. Cap. WEL14A-602R Screwdriver slot 140 (60)
A19AAF-21C SPDT 40 to 90 (4 to 32) 1 1/2 (0.8) 3/8 in. x 5 3/4 in., 6 ft
. Cap. WEL14A-603R Screwdriver slot 140 (60)
Manual Reset
A19ACA-14C SPST
Open Low
-30 to 100
(-34 to 38)
Manual Reset 3/8 in. x 4 in.
6 ft
.Cap.
WEL14A-602R Screwdriver slot 140 (60)
A19ACA-15C SPST
Open Low
-30 to 100
(-34 to 38)
Manual Reset 3/8 in. x 4 in.
10 ft
. Cap.
WEL14A-602R Screwdriver slot 140 (60)
A19ADB-1C SPST
Open High
100 to 240
(38 to 116)
Manual Reset 3/8 in. x 3 1/2 in.
6 ft
. Cap.
WEL14A-602R Knob 290 (143)
A19ADN-1C SPST
Open High
100 to 240
(38 to 116)
Manual Reset 3/8 in. x 4 in.
6 ft
. Cap.
WEL14A-602R Screwdriver slot 290 (143)
A19ABC-24