Installation and Commissioning Guide - Split Ducted ESP Digital Units
Doc. No.0525-077 Ver. 2 200129
Installation and Commissioning Guide
Split Ducted ESP Digital
42
Q. Can you put a Zone Sensor and Zone Control in each room?
A. Yes you can, it will average the temperature between the two sensors, this application is normally used for large open
plan areas that may be on the same zone.
Q. Is the sensor on the master control operational?
A. Not in Ultima. The sensor on the master wall control is disregarded in Ultima.
Q. Would an in-line fan cause any operational problems if installed?
A. Yes it would. An in-line fan is not recommended on the variable fan units.
Q. Can you use a master control to act as a zone sensor controlling the varying air to that zone?
A. No, the Master control cannot be used for zone control. The sensor is not wired on the master control.
Q. Is it possible to turn all zone controls off to shut the system down?
A. Yes, if on auto fan, the system will go into a standby mode. And if the last zone safety feature is deactivated.
Q. Is it possible to use the Manual fan speed mode to increase the air into a particular zone if the ESP fan mode is not
producing enough air?
A. Yes, it is recommended that in extreme conditions to turn the fan mode to either Manual High or Medium to increase
the airflow into the zone thus improving the system performance.
Note: This is when using less than your total number of installed zones.
Q. Can I still piggyback 2 zone barrels together as 1 zone?
A. Yes, up to a total of 10 zone barrels per system can be installed.
Q. If the system receives 2 equal call for both Cooling and Heating while the system is in standby, what cycle starts
first?
A. Cooling will start first as a default, and then when cooling is satisfied the system will swing to Heating.
Q. Can I use 2 Remote Sensors to average a large room?
A. No, for averaging large rooms you must use a 1 x Zone Control (Ultima only) and 1 x Zone Sensor.
Note: Use of 2 Remote Sensors causes inconsistent temperature sensor readings.
Q. Can the zone control show the room temperature as main display instead of set point?
A. If you hold the Room Temp button in for 5 secs this display will remain on screen for 45mins then revert back to set
point display. Room temp light will flash to indicate you are in room temperature display.
Q. Does the Ultima system use a different zone barrel to the standard ON/OFF type 24volt ActronAir barrels?
A. No, they are the same barrels. ActronAir designed these zone motors with the intension to communicate with the
Ultima system.
Q. Can I use the master control to control the main area’s temperature?
A. No, the on board sensor on the master control is disregarded when wired to the Ultima system. All temperature
information is fed back from the Zone Controls and or Zone Sensors back to the Ultima module.
Q. Can I check what zone number my Zone control is from the zone control?
A. Yes, When the system is first powered up the zone number is displayed on the Zone Control display. You can also check
the Zone number by Holding the room temp button and pressing the ON/OFF button. This shows the Zone Number
before showing the software versions.
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