Suraielec UBTD01A 7-Day Digital Box Timer Switch User Manual

Safety Section

WARNING: Risk of Fire or Electrical Shock

This timer should be installed by a licensed electrician.
Turn power off at the main panel before servicing this switch or setting up its controls.
Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
Installation and/or wiring must be in accordance with national and local electrical code requirements.
This enclosure does not provide grounding between conduit connections. When metallic conduit is used, grounding type bushings and jumper wire must also be installed.
Use #14-#8 AWG wires, rated at least 75°C (167°F) - COPPER conductors ONLY.
Ensure no wire insulation is under the terminal plate on the time switch connector. Firmly tighten terminal screws.
Do not remove the insulator covering terminals.
KEEP THE DOOR CLOSED AT ALL TIMES when not servicing.
Installation, Operating and Safety Instructions - Instructions for installation and use of this product are provided by the manufacturer. "Make sure to use this product together with 40A circuit breaker in the upstream" stated in the manual.

Specifications

Input

120-240/277VAC, 60Hz. Detects voltage automatically (NO DIP SWITCH SETTING REQUIRED).

Contact Ratings

40A Resistive 120 to 277 VAC
30A General Purpose 120 to 277 VAC
20A Resistive, 30VDC
1HP, 120 VAC
2HP, 240VAC
20A Ballasted load 120 to 277 VAC
15A Tungsten, 120 VAC
5A Tungsten, 250VAC
800VA, Pilot Duty, 120VAC
720VA, Pilot Duty, 240 VAC
TV-5, 120VAC

Terminal Range

#14-#8 AWG

Operating Temperature

-40°F to 149°F (-40°C to 65°C)

Minimum ON or OFF Time

1 minute

Maximum ON or OFF Time

23 hours, 59 minutes

Light Chart

Name	Color	Status	Description
Power Indicator	Red	Solid	Input normal
Power Indicator	Red	No Light	Input abnormal
Load Indicator	Blue	Solid	Power is on
Load Indicator	Blue	No Light	Power is off

Product Illustration

The Suraielec Digital Box Timer Switch is housed in a durable enclosure. On the front, there's a clear plastic insulator that can be opened to reveal the internal components. Key features include:

Timer Indicator: A visual cue for timer operation.
Clip: Secures the plastic insulator.
Digital Timer Display: Shows time and programming information.
Load Indicator: Indicates when power is being supplied to the load.
Plastic Insulator: Protects internal wiring and terminals.
Knockouts: Pre-punched holes on the enclosure sides for conduit entry.
Grounded Terminal: For connecting the grounding wire.

The illustration shows the box with its front panel open, revealing the digital timer unit, indicators, and terminal strip. The knockouts are visible on the sides, and the grounded terminal is located at the bottom.

Installation

Mounting the Digital Box Timer

Choose the knockouts (five 1/2" to 3/4" combination knockouts available).
- For 1/2" Knockouts: Carefully cut off the inner ring of the rubber plug with a knife.
- For 3/4" Knockouts: Remove the entire rubber plug.
The knockouts are circular openings on the timer box. For 1/2" conduit, only the inner part of the pre-installed rubber plug is removed. For 3/4" conduit, the entire rubber plug is removed.
Mounting the Digital Box Timer:
The mounting process involves holding the box in place and using its three mounting holes to mark the position on the mounting surface. The box is then secured with screws through these holes.
NOTE
- Install upright, in a vertical orientation.
- Always close the rainproof door after use.

Connecting the Wires

Lift the plastic insulator off the retaining post and away to expose the terminal strip.
Wire according to the typical application wiring diagrams.

Note: Always connect the grounded wire to the grounding terminal.

Terminal Designations

The terminal strip includes: L (Live), N (Neutral), NO (Normally Open), COM (Common Terminal), J (Jumper Wire), and T (Timer).

Wiring Diagrams:

120V Application - Controlling One 120VAC Load:
The diagram shows the Digital Box Timer connected to a 120VAC load. The Live (L) and Neutral (N) inputs connect to the timer's L and N terminals. A jumper wire (J1) connects the timer's L terminal to the COM1 terminal. The load is connected between the NO1 terminal and the Neutral (N) line. This setup allows the timer to control a single 120VAC load.
120V Application - Controlling Two 120VAC Loads:
This configuration extends the single load setup to control two 120VAC loads. Live (L) and Neutral (N) inputs connect to the timer. A jumper wire (J1) connects the timer's L terminal to COM1. The first load connects between NO1 and the Neutral (N) line. A second jumper wire (J2) connects the timer's L terminal to COM2. The second load connects between NO2 and the Neutral (N) line. This allows independent or synchronized control of two 120VAC loads.
277VAC Application - Controlling Two 277VAC Loads:
Similar to the 120V two-load setup, but for 277VAC. Live (L) and Neutral (N) inputs connect to the timer. A jumper wire (J1) connects the timer's L terminal to COM1. The first load connects between NO1 and the Neutral (N) line. A second jumper wire (J2) connects the timer's L terminal to COM2. The second load connects between NO2 and the Neutral (N) line. This configuration is for controlling two 277VAC loads.
Hot Water Heater Typical Wiring Diagram:
This diagram illustrates how the Digital Box Timer can be integrated into a hot water heater system, typically involving a circuit breaker box. The timer receives 120VAC power. Jumper wire (J1) connects the timer's L terminal to COM1. The hot water tank's 120VAC input is connected to NO1. For a 240VAC dual-phase hot water heater, L1 and L2 from the circuit breaker box connect to the timer's L and L2 terminals, respectively. The hot water tank's 240VAC input connects to NO1 and NO2, with COM1 and COM2 connected to the timer's L and L2 terminals via jumper wires (J1 and J2). This allows the timer to control the power supply to the hot water heater.

Programming

Before initial use, plug the timer in for at least 30 minutes to charge the internal battery. After the screen displays, the unit is ready for programming.

NOTE

Timer should operate in the "AUTO ON" or "AUTO OFF" mode. Refer to the "Switching Mode Indication" section.

Reset
Before programming, all settings should be reset. The reset hole, identified by "R", is located just below the "R/RECALL" button. Use a paper clip or ballpoint pen to activate it. The display will show "88:88" initially, then "00:00" after a few seconds, indicating a successful reset.
Set the Current Time
Keep the "CLOCK" button pressed during the entire setting operation.
- Press the "HOUR" button to set hours.
- Press the "MIN" button to set minutes.
- Press the "WEEK" button to select the correct day of the week.
Release the "CLOCK" button. The time will be set.
ON/OFF Program Setting
Press the "PROG" button once to access the first ON/OFF setting. There are a total of 20 ON/OFF settings.
The display will show the days of the week (MO TU WE TH FR SA SU) and a time (e.g., "00:00").
- Press the "HOUR" or "MIN" buttons to set the ON time.
- Press the "WEEK" button to select the day(s) for the program. Available day combinations include: MO, TU, WE, TH, FR, SA, SU (all days); MO; TU; WE; TH; FR; SA; SU; MO, TU, WE, TH, FR; MO, TU, WE, TH, FR, SA; MO, WE, FR; TU, TH, SA; TH, FR, SA; SA, SU.
- Press the "PROG" button to save and proceed to the "1 OFF" setting.
Repeat these steps to set ON/OFF times. Pressing the "PROG" button again will advance to the other 19 ON/OFF settings.
Reset Button (for ON/OFF setting)
Press the "PROG" button to select the ON/OFF setting that needs to be changed. Press the "R/RECALL" button to reset the current ON/OFF setting without having to scroll through all the hours. The display will show "8:00" with "20" and "SA SU" indicating the setting number and days.
Switching Mode Indication
The actual mode is shown on the display as "ON", "AUTO ON", "OFF", or "AUTO OFF" together with the time of day. Press the "ON/AUTO/OFF" button to adjust to the desired setting mode.
Manual Override Setting
As an independent programming, it is possible at any given time to advance to the next switching command by constantly pressing the "ON/AUTO/OFF" button.
The mode cycles through: AUTO OFF → ON → AUTO ON → OFF
- ON: Always ON.
- OFF: Always OFF.
- AUTO ON: Power is ON currently and timer programming is activated.
- AUTO OFF: Power is OFF currently and timer programming is activated.
Daylight Saving Time (DST)
Press and hold the "CLOCK" button for 3 seconds to advance the current time by 1 hour; a "+1h" icon will appear on the display. Press and hold the "CLOCK" button for 3 seconds again to decrease 1 hour, and the "+1h" icon will disappear. The display will show the time (e.g., "8:00" or "9:00") with "TH" indicating the day.
Power Back-up Feature
In the event of a power failure, the timer will retain its settings for an estimated 3 months if the power backup is fully charged.

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Suraielec 7-Day Digital Box Timer Switch

Safety Section

WARNING: Risk of Fire or Electrical Shock

Specifications

Input

Contact Ratings

Terminal Range

Operating Temperature

Minimum ON or OFF Time

Maximum ON or OFF Time

Light Chart

Product Illustration

Installation

Mounting the Digital Box Timer

NOTE

Connecting the Wires

Terminal Designations

Wiring Diagrams:

Programming

NOTE

Reset

Set the Current Time

ON/OFF Program Setting

Reset Button (for ON/OFF setting)

Switching Mode Indication

Manual Override Setting

Daylight Saving Time (DST)

Power Back-up Feature

One Year Limited Warranty

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