Johnson Controls A36 Series Data Sheet
Multi-Stage Electromechanical Temperature Controls |
Code No. LIT-1927135 |
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A36 Series Four-Stage Remote Bulb Thermostats
Description
The A36 series are four-stage thermostats with open construction for use in panel mounting.
Refer to the TypeA36AHA 4-Stage Computer Environmental Temperature Control Product Bulletin (LIT-125145) for important product application information.
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Interstage |
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Differential |
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A36 Series Differential Diagram
Features
Screwdriver slot adjustment with calibrated dial enables movement of entire staging band within the range.
Applications
Use for cycling control for multiple refrigeration compressors or unloading type compressors.
Accessories
Order Enclosure CSE57A-600 separately, if required.
A36AHA-52 Remote
Bulb Thermostat
Repair Information
If the A36 Series Four-Stage Remote Bulb Thermostat fails to operate within its specifications, replace the unit. For a replacement thermostat, contact the nearest Johnson Controls® representative.
A36 Series Action Diagram
Selection Chart
Product Code |
Switch |
Range °F (°C) |
Differential F° (C°) |
Bulb and |
Bulb Well No. |
Range |
Number |
Action |
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Fixed |
Capillary |
(Order Separately) |
Adjuster |
A36AHA-50C1 |
Four Single-Pole, |
55 to 95 |
Two each stage |
3/8 in. x 5-1/4 in. |
WEL14A-603R |
Screwdriver slot with |
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Double-Throw |
(13 to 35) |
1 1/2 (0.8) between stages |
18 in. capillary |
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calibrated dial |
A36AHA-52C1 |
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(SPDT) |
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w ith 12 in. nylon armor |
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switches |
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A36AHA-58C2 |
0 to 70 |
Three each stage |
3/8 in. x 4-3/4 in. |
WEL14A-602R |
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(-18 to 21) |
2-1/2 (1.4) between stages |
15 ft braid armor |
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capillary |
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A36AHB-33C1 |
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Two each stage |
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2-1/2 (1.4) between stages |
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1.Calibrated at mid-switching point; computer room or comfort control.
2.Calibrated at low-switching point; special close control chiller applications.
Specifications
Maximum bulb temperature is 120°F (49°C) in operation and 140°F (60°C) when shipping. |
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Electrical Ratings (Per Switch) |
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Motor Ratings VAC |
120 |
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208 |
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240 |
277 |
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A36AHA |
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AC Full Load A |
10.0 |
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6.9 |
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5.0 |
– |
AC Locked Rotor A |
60.0 |
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41.4 |
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30.0 |
– |
Non-Inductive A |
16.0 |
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9.2 |
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8.0 |
7.2 |
Pilot Duty |
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125 VA, 120 to |
227 VAC |
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A36AHB |
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AC Full Load A |
6.0 |
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3.4 |
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3.0 |
– |
AC Locked Rotor A |
36.0 |
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20.4 |
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18.0 |
– |
Non-Inductive A |
10.0 |
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5.7 |
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5.0 |
4.3 |
Pilot Duty |
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125 VA, 120 to |
227 VAC |
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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult th Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc.
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