Hydrotek 2120 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 2120 Specifications

General

Brand	Hydrotek
Model	2120
Category	Controller
Language	English

Summary

Controller Functions

Time Dial

Rotates 24 hours, programmed by timing 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, auto, or off operation modes. Essential for function.

Chassis Screws

Secures controller chassis to its enclosure. Minor hardware.

Electrical Connection Strip (2000 Series)

Facilitates input/output electrical connections for 2000 Series models.

Setting and Operation Instructions

Set Day of Week and Time of Day

Set Day Wheel to correct day and Time Dial clockwise to correct time.

Operate Manually

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

Set Daily Operation

Program desired operation days by pushing pins on the Day Wheel.

Set Operating Times

Insert timing pins into Time Dial for desired operating periods.

Set Controller for Multiple Zones

Represent operating times for each zone using pins in the Time Dial.

Start Automatic Operation

Set correct time/day and operating times, then turn switch to Auto.

Electrical Wiring and Circuit Diagrams

1000 Series Diagrams

Wiring and circuit diagrams for Hydrotek 1000 Series models.

2000 Series Diagrams

Wiring and circuit diagrams for Hydrotek 2000 Series models.

Setting and Connection Instructions

2200 Series Operation

Instructions for operating the 2200 Series Controller continuously.

Time Dial Setting Caution

Warning to turn Time Dial clockwise only and not force it.

Manual Operation

To operate controller manually, turn AUTO-OFF-ON SWITCH to ON.

Troubleshooting

Controller Fails to Keep Proper Time

Diagnose issues with timekeeping, including power and drive gear problems.

Controller Improperly Staying ON

Troubleshoot controller stuck ON due to switch, wiring, or adjustment issues.

Controller Does Not Turn ON in Manual Mode

Check power supply, wiring, and circuit breaker for manual ON issues.

Controller Fails to Operate in Automatic Mode

Address issues with daywheel programming, switch settings, or adjustments.

Rainswitch Control Switch

Rainswitch Functionality

Explains 'ON' and 'OVERRIDE' positions for Rainswitch operation.

Wire Connection Diagrams (Models 2510, 2514, 2520)

Diagrams for connecting Rainswitch models, emphasizing power disconnection.