Installation and Commissioning Guide - Split Ducted ESP Plus/Ultima Indoor Unit
Doc. No.0525-078 Ver. 2 190925
40
Installation and Commissioning Guide
Split Ducted ESP Indoor Unit
16. EC Fan Commissioning Guide
Read Installation Instructions On Outdoor Unit Access Panel
ESP Plus/Ultima Self-Learn Mode Activation
Before activating ensure the following:
1. Return air filter, return air box and grille are properly installed.
2. All bedroom doors are open or any other doors that may obstruct the path of return air back to the return air
grille.
3. Adjustable outlets should be in open position and System Air Balance is complete.
Initiating Self-Learn Mode:
1. System should be in the Off- Mode before activating Self-Learn Mode.
2. Press and hold the button and then the button for 5 seconds or until the word ESP flashes on controller
display then release.
3. Press the button once and release.
NOTES
• Self-Learn Mode should not be activated when there are obstructions in duct system layout.
• When system layout of duct design is changed, Self-Learn Mode should be reactivated. This will allow the controller to
learn the new duct layout.
• During the operation of Self-Learn Mode, HIGH, MED and LOW will appear on the controller display. After this, E5 will
be displayed and will go back to setpoint temperature. This process can take up to 3 minutes.
ESP Plus/Ultima Variable Fan System Check
Please ensure that the Self- Learn mode operation is performed first:
ESP PLUS/ULTIMA Functionality:
1. Open all available zones and Select ESP mode on Wall Control
2. Allow 3 minutes for fan to adjust speed
3. Check airflow at any outlet from Zone 1
4. Close all zones except zone 1
5. Allow 3 minutes for fan to adjust speed
6. Check airflow at the same outlet
7. The airflow at this outlet should remain reasonably constant
8. Switch to manual mode High
9. A significant increase in airflow should be noted.
10. Switch to medium then Low and note airflow drops accordingly
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