Hydrotek 2520 User Manual

HYDROTEK® 1000 / 2000 SINGLE STATION CONTROLLER INSTALLATION /
TROUBLESHOOTING
CONTROLLER FUNCTIONS
1. TIME DIAL - Rotates one clockwise revolution every 24 hours. Controller is
programmed for automatic (AUTO)operation with the insertion of timing pins in the
time dial holes. Once properly set, correct time of day is shown by the alignment of
the arrow labeled "TIME" with the time time shown on the time dial.
2. DAY WHEEL AND RETAINED PIN ASSEMBLY - Has 14 pin locations for a 2
week program. Controller will operate in AUTO only on the days programmed by the
depression of the day wheel pin. Once properly set, correct day is shown by the
alignment of the arrow labeled "DAY" with the day shown on the wheel.
3. AUTO-OFF-ON SWITCH KNOB - Indicates the function of the controller by
turning to ON, for manual operation, AUTO, for automatic operation and OFF,to stop
manual (ON) and automatic (AUTO) functions.
4. CHASSIS SCREWS - Secures controller chassis to enclosure.
5. ELECTRICAL CONNECTION STRIP (2000 SERIES) - Allows for input and
output electrical connection. Consult Electrical Circuit and Connection Diagrams
prior to wiring.
SETTING AND OPERATION INSTRUCTIONS
z
TO SET DAY OF WEEK AND TIME OF DAY:
Turn the Day Wheel until correct day is indicated by arrowed labeled "DAY" .
Turn the Time Dial CLOCKWISE until the correct time is indicated at the arrow
labeled "TIME".
CAUTION: Set Time Dial in CLOCKWISE direction only. DO NOT FORCE TIME
DIAL IN REVERSE DIRECTION.
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drotek Controllers Instructions
8/2/2005
http://waterheatertimer.org/Woods-timers-and-manuals-old.html

Hydrotek 2520 Specifications

General

Brand	Hydrotek
Model	2520
Category	Controller
Language	English

Summary

Controller Functions

Time Dial

Rotates 24 hours, programmed via pins. Correct time shown by arrow.

Day Wheel and Retained Pin Assembly

14 pin locations for 2-week program. Correct day shown by arrow.

Auto-Off-On Switch Knob

Controls manual (ON), automatic (AUTO), and OFF functions.

Electrical Connection Strip (2000 Series)

Allows input/output electrical connections. Consult diagrams prior to wiring.

Setting and Operation Instructions

Operate Manually

Turn Auto-Off-On switch to ON for manual operation, then back to OFF.

Set Daily Operation

Set Operating Times

Insert timing pins in Time Dial for desired operating times. Use different pin colors for durations.

Start Automatic Operation

Electrical Connection Instructions

For 1000 Series Controllers

For 2000 Series Controllers

Electrical Wiring and Circuit Diagrams

1000 Series Diagrams

2000 Series Diagrams

Troubleshooting

Problem: Fails to Keep Proper Time

Check power/voltage, motor, or drive gear. Ensure correct voltage to motor.

Problem: Improperly Staying ON

Check wire placement, switch/relay activation, wiring, or switch adjustment.