Introduction
This manual provides instructions for the GARRISON 119088 2-Stage Heat/Cool Programmable Digital Thermostat. This thermostat is designed to manage your heating and cooling systems efficiently. It is compatible with most gas, oil, electric boiler, or 2-wire systems, as well as air conditioning systems that utilize 24-volt or millivolt control.
Please read these instructions carefully before installation and operation to ensure proper use and to maximize the benefits of your new thermostat.
Product Overview
Figure 1: GARRISON 119088 Thermostat Front View
The image displays the GARRISON 119088 digital thermostat. The upper section features a large green backlit LCD screen showing "Wed", "13:42" (time), "HOLD", "TEMP 23°C", and "AUTO HEAT" mode indicators. To the right of the screen is a circular navigation pad with up, down, left, right, and center buttons. Below the screen, there are two slider switches: one for "fan" with "on" and "auto" settings, and another for "system" with "cool", "off", "heat", and "auto" settings. To the right of these sliders are several push buttons: "DAY/TIME", "HOLD", "EMER", "PROG", "PROG DAY", and "RUN". The lower section of the thermostat is a hinged panel that opens to reveal additional programming instructions printed on the inside, including steps for setting time and day, setting programs, and program override functions. This panel also has an open rectangular cutout, likely for a battery compartment or wiring access, and a circular cutout.
Setup and Installation
1. Safety Precautions
- Always turn off power to the heating/cooling system at the main fuse or circuit breaker panel before installing or servicing the thermostat.
- Ensure all wiring is done according to local electrical codes. If you are unsure about wiring, consult a qualified electrician or HVAC technician.
2. Battery Installation
The thermostat requires two (2) AA batteries for operation. These batteries are included with the unit.
- Open the front panel of the thermostat.
- Locate the battery compartment.
- Insert two new AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment and the front panel.
Note: Replace batteries annually or when the low battery indicator appears on the display.
3. Wiring (Professional Installation Recommended)
This thermostat is designed for 24-volt or millivolt control systems. Proper wiring is crucial for safe and correct operation. Refer to the wiring diagram provided with your thermostat packaging or consult a professional HVAC technician for installation.
- Compatible with Gas, Oil, and Electric systems.
- Supports 2-stage heat and 2-stage cool configurations.
Operating Instructions
1. Understanding the Display
The large LCD screen displays current time, day, temperature, and system status. Key indicators include:
- Time and Day: Displays the current time (e.g., 13:42) and day of the week (e.g., Wed).
- Temperature: Shows the current room temperature (e.g., 23°C).
- HOLD: Indicates that the thermostat is in a temporary or permanent hold mode, overriding the program.
- AUTO/HEAT/COOL: Shows the current operating mode of the system.
2. Basic Controls
The thermostat features two slider switches and several push buttons for control.
- Fan Switch:
- ON: Fan runs continuously.
- AUTO: Fan runs only when heating or cooling system is active.
- System Switch:
- COOL: Thermostat controls cooling.
- OFF: System is off.
- HEAT: Thermostat controls heating.
- AUTO: Thermostat automatically switches between heating and cooling to maintain the set temperature.
3. Setting Time and Day
- Press the DAY/TIME button.
- Use the UP or DOWN arrows on the navigation pad to adjust the time.
- Press DAY/TIME again to set the day of the week.
- Use the UP or DOWN arrows to select the day.
- Press RUN to save and exit.
4. Programming the Thermostat
The thermostat supports 7-day or 5+2 day programming with 4 periods per day.
- Press the PROG button to enter programming mode.
- Use PROG DAY to select the day or group of days (e.g., Mon-Fri, Sat-Sun).
- Use the PROG button to cycle through the 4 periods (e.g., Wake, Leave, Return, Sleep).
- For each period, use the UP or DOWN arrows to set the desired temperature and time.
- Repeat for all periods and days.
- Press RUN to save the program and return to normal operation.
5. Hold and Override Functions
- Temporary Override: To temporarily change the temperature until the next programmed period, simply use the UP or DOWN arrows. The "HOLD" indicator will flash. The thermostat will revert to the program at the start of the next scheduled period. Press HOLD for less than 1 second to return to the program.
- Permanent Override (Hold): To maintain a set temperature indefinitely, press the HOLD button. The "HOLD" indicator will appear steadily on the display. Use the UP or DOWN arrows to set the desired temperature. To cancel, press HOLD again, or press RUN.
- Designated Day Override: Press HOLD twice, then DAY/TIME or EMER to set up override days. Use the UP or DOWN arrows to set the temperature. Press HOLD to return to the program.
Maintenance
1. Battery Replacement
Replace the two AA batteries annually or immediately when the low battery indicator appears on the display. Refer to the "Battery Installation" section for detailed steps.
2. Cleaning
To clean the thermostat, gently wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents. Avoid spraying liquids directly onto the thermostat.
3. Filter Reminder
The thermostat includes a "Filter" indicator on the display, reminding you to check or replace your system's air filter. Regularly changing your air filter helps maintain system efficiency and air quality.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display or dim display | Dead or low batteries. | Replace with fresh AA batteries. |
| System not heating/cooling |
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| Thermostat not following program |
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| Inaccurate temperature reading | Thermostat located near heat source or draft. | Ensure thermostat is not exposed to direct sunlight, drafts, or heat-emitting appliances. |
Specifications
- Model: 119088
- Brand: GARRISON
- Control Type: Digital, Button Control
- Display Type: Digital LCD with Backlight
- Compatibility: 2-Stage Heat/2-Stage Cool systems, Gas, Oil, Electric Boiler, 2-wire systems, 24-volt or millivolt control.
- Power Source: 2 x AA Batteries (included)
- Voltage: 24 Volts
- Special Features: Programmable (7 days or 5+2, 4 ranges), Hold & Override function, Energy Saving Thermostat.
- Dimensions: Approximately 5.4 x 3.8 x 0.82 inches
- Item Weight: Approximately 3.04 ounces
- Color: White
Warranty & Support
Warranty Information
The GARRISON 119088 Thermostat comes with a Premier limited lifetime warranty. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty documentation included with your product or contact GARRISON customer service.
Customer Support
For further assistance, technical support, or to inquire about replacement parts, please contact GARRISON customer service. Contact details are typically found on the product packaging or the manufacturer's official website.
