RenewAire TC7D Series Digital Time Clock Owner’s Manual
- June 10, 2024
- RenewAire
Table of Contents
RenewAire TC7D Series Digital Time Clock
WARNING
- TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING RULES:
- Use the unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer. Before installing, servicing or troubleshooting the transformer/relay package, switch the power off at the service panel and lock service panel to prevent power from being switched on accidentally.
CAUTION
- More than one disconnect switch may be required to de-energize the equipment for servicing.
- Installation work and electrical wiring must be done by a qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction codes and standards.
- When cutting or drilling into a wall or ceiling, do not damage electrical wiring and other hidden utilities.
- NEVER place a switch where it can be reached from a tub or shower.
- Intended for use with 24VAC Class 2 power supplies only.
- Do not connect loads that exceed the timer’s switch rating.
- Confirm sufficient 24VAC power is available to operate the timer and the connected loads.
OVERVIEW
SPECIFICATIONS
- Operating Voltage: 24VAC 50/60Hz
- Switching: Single Pole, Single Throw [SPST] (can be field-modified to Single Pole, Double Throw [SPDT])
- Power consumption: 3.5VA
- CR2032 lithium battery: backup for the timer battery needs to be replaced approximately 2–3 years
- Switch rating: 16 Amps at 131°F
- Operating Temperature Range: 32°F–140°F
- Connections: (3) 16 GA pigtails (wire nuts not provided)
NOTE: When the time comes to replace the battery, use a coin to remove the battery cover to avoid stripping the plastic cover.
Functional description of buttons on the panel:
- TIMER: Programs review & setting programs
- MANUAL ON AUTO OFF: To select “, or ”
- CLOCK: To adjust the current DAY and TIME
- DAY: To adjust the day of the week
- HOUR: To adjust the Hour
- MIN: To adjust the minute
- Reset Timer’s setting
- LED: To indicate ON/OFF status
- Press. the button to reset Timer before programming.
Setting Options
- 16 pairs of on-off time-of-day cycles can be programmed.
- Each on-off cycle can be assigned to any one day of the week, or to the following groups of days:
- Monday–Friday; Monday–Saturday; Monday–Sunday; Saturday and Sunday;
- Monday–Wednesday; Thursday–Saturday; Monday/Wednesday/Friday; Tuesday/ Thursday/Saturday.
- Manual Over-ride provided by “On/Auto/Off” switch.
- The program Reset button clears all settings. First, using a small pointed object push the reset button to clear all settings. The reset button is just above the “MIN” dark gray button.
- Enclosure (TC7D-W): Requires a 4″ x 4″ electrical box by others.
- The box must accommodate (4) mounting screws (see drawing page 5).
- Minimum box depth 1.5″. White wall plate and mounting screws provided.
- Enclosure (TC7D-E): NEMA 4X and 12K (see drawing page 5).
- Use installation instructions that come with an enclosure.
DIMENSION DRAWINGS
SETTING INSTRUCTIONS
SETTING THE CLOCK
- Press and hold the CLOCK button.
- Press the DAY key until the correct day is displayed.
- Do the same with the HOUR and MIN. Now the clock is set!
SETTING THE TIMER:
Press the “DAY” key to scroll through these settings.
These can be used to simplify programming. All times must be the same for the days chosen! Let us say you want to run a device Monday through Friday at the same time. Scroll down to #9 and you will have the days set! Press the “TIMER” key and the display will show “1ON–:—-” Set the time you want the unit to turn on by pressing the “HOUR” and “MIN” buttons respectively. To set the turn-off time, press the “TIMER” key again, and “1OFF–:—-” will show in the display. Again, set the “HOUR” and “MIN” times. If you want more than 1 on/off per day, press the “TIMER” key again and set “2ON–:—-,” “2OFF–:—-” until you reach the maximum of 8 on/offs per day. The timer is now set, but you need to push the “MANUAL” button until the line is under “AUTO.” If you only want 1 on/off per day or if you have more on/off’s per day, when you are done programming them in, press the “CLOCK” key again and you are almost done. Reset the setting: If you wish to change any or all on/off times, you must reset the timer. You cannot change just one setting. Clear all: To erase all settings, Press the. button.
Operation Modes
There are three operation modes: “ON,” “AUTO,” and “OFF”; selected through the
“MANUAL” key. When the “MANUAL” key is pressed, observe that the indicator
(line) on the screen moves upon the words.
- MODE ON: When the indicator is on “ON,” the output turns on immediately and keeps this status while in “ON” mode.
- MODE OFF: When the indicator is on “OFF,” the output turns off immediately and keeps this status while in “OFF” mode.
- MODE AUTO: When the indicator is on “AUTO,” the output turn on and turns off based on the programs.
- When the timer is not powered, it turns off the output permanently.
ELECTRICAL
ELECTRICAL SCHEMATICS
NOTE: There is a wire on the TC7D that connects Terminal 1 to the relay common of the timer. You must cut this wire to eliminate voltage to relay common.
In this example, the timer turns the Energy Recovery Ventilator (ERV) on at High speed when the timer dictates it is an occupied time.
NOTE: For EV450 and HE1XIN models built prior to 1/22/2011, please call RenewAire CustomerService at 800-627-4499 or email RenewAireSupport@RenewAire.com.
NOTE: For HE1XRT and HE2X through LE10X models built prior to 1/22/2011, please call RenewAire Customer Service at 800-627-4499 or email RenewAireSupport@RenewAire.com.
In this example, the timer turns ERV on at a speed set by a potentiometer(s) when space is occupied. EV450 Circuit Board shown with one potentiometer. HE1X and HE1.5 Circuit Boards have two potentiometers.
In this example, the ERV does not run while unoccupied, set by the timer. During occupancy, ERV runs at variable Speed. CO2 Controller sets speed based on CO2 levels. Remove the potentiometer(s) by cutting the wires at the potentiometer. Cap the orange and purple wires from the potentiometer with wire nuts. EV450 Circuit Board shown with one potentiometer. HE1X and HE1.5 Circuit Board have two potentiometers and the cut wires can be wired in parallel back to the CO2 Controller.
NOTE: Remove supplied wires from the time clock spade terminals prior to wiring to an RH-W thermostat as shown.
About RenewAire
For over 35 years, RenewAire has been a pioneer in enhancing indoor air quality (IAQ) in commercial and residential buildings of every size. This is achieved while maximizing sustainability through our fifth-generation, static- plate, enthalpic-core Energy Recovery Ventilators (ERVs) that optimize energy efficiency, lower capital costs via load reduction, and decrease operational expenses by minimizing equipment needs, resulting in significant energy savings. Our ERVs are competitively priced, simple to install, easy to use and maintain and have a quick payback. They also enjoy the industry’s best warranty with the lowest claims due to long-term reliability derived from innovative design practices, expert workmanship, and Quick Response Manufacturing (QRM). As the pioneer of static-plate core technology in North America, RenewAire is the largest ERV producer in the USA. We’re committed to sustainable manufacturing and lessening our environmental footprint, and to that end our Waunakee, WI plant is 100% powered by wind turbines. The facility is also one of the few buildings worldwide to be LEED and Green Globes certified, as well as having achieved ENERGY STAR Building status. In 2010, RenewAire joined the Soler & Palau (S&P) Ventilation Group in order to provide direct access to the latest in energy-efficient air-moving technologies. For more information, visit renewaire.com.201 Raemisch Road | Waunakee, WI | 53597 | 800.627.4499 | RenewAire.com
References
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