Overview

The XE7C-24/HC wired controller includes several timer functions that allow your air conditioner to operate automatically based on your schedule:

• Daily Timer – Repeats the same schedule every day.
• Weekly Timer – Allows a different schedule for each day of the week.
• OFF Timer – Automatically turns the system OFF after a selected number of hours.
• Two-Week Timer – Supports alternating Week 1 and Week 2 schedules for changing occupancy patterns.

Before configuring any timer, ensure the controller clock and date are set correctly.

Daily Timer

The Daily Timer allows up to 4 timer events per day. Each event can turn the system ON or OFF and optionally change the operating mode, temperature and fan speed.

Timer Event Fields (What Each Setting Does)

⚠️ Important: If SCH = OFF, the event will not run.

How to Set a Daily Timer Schedule

1. Press Menu/OK
2. Select Timer
3. Select Daily Timer
4. Press Menu/OK to enter the schedule menu.

YouTube Video Tutorial

Daily Timer Setup

Watch Daily Timer Video

Select Event (1-4)

Use the navigation buttons to select:

• Event 1
• Event 2
• Event 3
• Event 4

Configure Event Settings

For each event:

1. Move the cursor to the required field (SCH / Time / ON/OFF / Mode / Temp / Fan)
2. Use ▲ / ▼ to adjust values
3. Press Menu/OK to save
4. Repeat for remaining events

Example Daily Heating Schedule

What Will Happen?

In the Daily Timer schedule shown above the system will:

• Turn ON at 6:30am in Heat mode with a setpoint of 19°C and fan speed set to High
• Turn OFF at 8:00am and remain OFF until 4:30pm
• Turn ON at 4:30pm in Heat mode with a setpoint of 21°C and fan speed set to High
• Remain ON at 10:00pm but reduce the setpoint to 16°C and fan speed to Low

Tips

Confirm before leaving site:

• Timer events are enabled (SCH = ON)
• Controller clock is set correctly
• Correct 24-hour time format is being used
• Changes have been saved using Menu/OK

Best Practice

• Use OFF events to avoid unnecessary runtime
• Use lower overnight temperatures for energy savings
• Leave fan speed on Auto unless a specific airflow requirement exists

Common Issues & Fixes

Key Notes

• Maximum of 4 Daily Timer events
• Timer repeats every day
• All changes must be confirmed using Menu/OK
• If SCH = OFF, that event will not occur

Weekly Timer

The Weekly Timer allows a different schedule to be programmed for each day of the week. Each day can contain up to 4 timer events.

Timer Event Fields

⚠️ Important: If SCH = OFF, the event will not run.

How to Set a Weekly Timer Schedule

1. Press Menu/OK
2. Select Timer
3. Select Weekly Timer
4. Press Menu/OK
5. Select the day to configure
6. Set up to 4 timer events
7. Press Menu/OK to save
8. Repeat for additional days as required.

YouTube Video Tutorial

Weekly Timer Setup

Watch Weekly Timer Video

Example Weekly Schedule (Monday)

What Will Happen?

For Monday the system will:

• Turn ON at 6:30am
• Turn OFF at 8:00am
• Turn ON again at 4:30pm
• Reduce temperature and fan speed at 10:00pm

The same process can be repeated with different settings for each day of the week.

Technician Tips

Confirm before leaving site:

• Each required day has been configured
• The controller clock is correct
• Events are enabled (SCH = ON)
• Settings have been saved correctly

Best Practice

• Program weekdays and weekends separately
• Review all seven days before finishing
• Use OFF events to reduce running costs

Common Issues & Fixes

Key Notes

• Maximum of 4 events per day
• Each day must be programmed individually
• Weekly schedule repeats automatically
• If SCH = OFF, that event will not occur

OFF Timer

The OFF Timer automatically turns the system OFF after a selected operating period.

OFF Timer Field

How to Set an OFF Timer

1. Press Menu/OK
2. Select Timer
3. Select Timer OFF
4. Use ▲ / ▼ to adjust the required time
5. Press Menu/OK to save.

YouTube Video Tutorial

OFF Timer Setup

Watch OFF Timer Video

Example OFF Timer

What Will Happen?

In the example shown:

• The system continues operating normally
• After 2 hours and 30 minutes, the air conditioner automatically turns OFF
• No further action is required

Technician Tips

Confirm before leaving site:

• Countdown time is correct
• Customer understands this is not a recurring timer
• Settings have been saved

Best Practice

• Ideal for bedrooms overnight
• Useful when temporarily cooling or heating a room
• Can be combined with Daily or Weekly schedules

Common Issues & Fixes

Key Notes

• Adjustable in 0.5-hour increments
• Turns the system OFF after the selected period
• Does not repeat automatically
• Settings must be saved using Menu/OK

Two-Week Timer

The Two-Week Timer supports separate schedules for Week 1 and Week 2, allowing the controller to automatically alternate between the two schedules.

When Should I Use a Two-Week Timer?

The Two-Week Timer is useful when occupancy patterns change every fortnight, such as:

• Shift workers
• Rotating rosters
• Holiday homes
• Fortnightly office occupancy

Key Notes

• Week 1 and Week 2 are programmed separately
• Up to 4 events per day
• Automatically alternates between weeks
• Requires the correct current week to be selected
• All changes must be confirmed using Menu/OK

Which Timer Should I Use?

Quick Recommendation

✅ Daily Timer – Most common residential setup.

✅ Weekly Timer – Homes with different weekday and weekend routines.

✅ OFF Timer – Bedrooms and temporary operation.

✅ Two-Week Timer – Shift workers and rotating occupancy schedules.

Related YouTube Videos

Daily Timer Setup

Weekly Timer Setup

OFF Timer Setup