A72 Series Cooling Tower or Evaporative Condenser Controls

Telco Envirotrols Inc.

Specializing in Environmental Equipment, Controls, and Parts

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A72 Series

Cooling Tower or Evaporative Condenser Controls (Single Stage Temperature Control with Outdoor Enclosure)

Description

The A72AE and A72CE are wide range temperature controls with heavy duty DPST contacts and neoprene coated sensing elements.

Applications

Use for control of cooling tower fans; motorized valves or solenoid operated valves.

Features

Open high or close high models are available.

Accessories

For replacement cover, order code number CVR17A-620R.

Technical Specifications

ambient temperature limits: -65 to 150°F (-54 to 66°C).
maximum bulb temperature: 170°F (77°C).

Electrical Ratings

Motor Ratings VAC	120 1 phase	2081 1 phase	2401 1 phase	2201 2 phase	208 3 phase	220 3 phase
Horsepower	2	3	3	5	5	5
AC Full Load Amp	24.0	24.0	24.0	15.0	15.9	15.0
AC Locked Rotor Amp	144.0	144.0	144.0	90.0	95.4	90.0
AC Non-Inductive Amp	24.0	24.0	24.0	-	-	-
DC Non Inductive Amp	3.0	-	0.5	-	-	-
Pilot Duty - Both Poles	125VA, 120 to 600 VAC and 57.5 VA, 120 to 300 VDC

1. These full load and locked rotor ampere (not horsepower) ratings apply to hermetic compressors only.

Selection Chart

Code Number	Switch Action	Range F (C)	Diff F (C)	Bulb and Capillary	Range Adjuster
A72AE-1C	DPST; Close High	25 to 90 (-5 to 30)	4 to 25 (2.2 to 14)	11/16 in. x 6 3/4 in. Neoprene Coated 6 ft. Cap	Internal Screwdriver slot
A72CE-1C	DPST; Open High	25 to 90 (-5 to 30)	4 to 25 (2.2 to 14)	11/16 in. x 6 3/4 in. Neoprene Coated 6 ft. Cap	Internal Screwdriver slot

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Last modified: 05/07/08