ActronAir ESP ULTIMA SYSTEM Installation & Commissioning Manual

Copyright © 2013 Actron Engineering Pty. Ltd. 2525FREQUENTLY ASKED QUESTIONSQ. Does the backlight on the individual zone control effect brightness of the room at night?A. The display backlight turns off at approximately 30 seconds after any button is pressed.Q. Does the LM7-D come standard with all R410a ESP Ultima units?A. Yes it does.Q. Can you turn the system off from the individual zone controls?A. No, It can only be done from the master control. If you’re the last zone on and you turn it off, thesystem goes into standby mode, as there is no demand for heating or cooling operation.Q. Can you adjust differentials on the zone?A. No you cannot.Q. Is there any indication on the zone control when it is in defrost mode?A. No. The HEAT light flashing on the master control indicates and highlights this.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 normallyused for large open plan areas that may be on the same zone.Q. Is the sensor on the master control operational?A. No it’s disregarded.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.Q. Is it possible to use the Manual fan speed mode to increase the air into a particular zone if theESP 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 orMedium 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.Q. If the system receives 2 equal call for both Cooling and Heating while the system is in standby,what cycle starts fi rst?A. Cooling will start first as a default, and then when cooling is satisfied the system will swing to Heating.

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