21 Changi South Street 1 Singapore 486777 Phone: +65 65420833 Fax: +65 65426920
E-mail: ductless@escoglobal.com Website:
www.escoglobal.com/ductless
SERVICE SECTION
CHAPTER 1 – RE-CERTIFICATION AND MAINTENANCE BY SERVICE PERSONNEL
1.3 SOFTWARE UPDATING
Esco sometimes releases upgraded versions of the Sentinel® control’s embedded software. The
upgraded version can be downloaded from our website using a toolkit that can be purchased from Esco
at a nominal cost.
You do not have to compulsorily upgrade your Sentinel® control’s embedded software unless it is for
safety considerations. You can download the software upgrades from
http://biotech.escoglobal.com/support/sentinel
WARNING: SOFTWARE UPDATE PROCEDURE WILL CAUSE CALIBRATION DATA TO BE
ERASED FROM YOUR SYSTEM. ENSURE THAT THE SYSTEM IS RECALIBRATED
AFTERWARDS
1.4 REPLACEMENT OF FILTER
Under normal usage and barring any accident (example - puncture), the filter does not need replacement
unless and until the inflow velocity cannot be maintained at the specifications required by the testing
report even though the fan has been set to maximum speed.
1. Ensure that the motor is shut off first
2. Lift the head unit and lock it in place by using the stoppers
3. Lift & pull out each of the carbon filter unit from the filter bank
4. Unpack the new carbon filter & install it into the filter bank
5. Repeat the procedure in reverse order to complete the replacement.
1.5 REPLACEMENT OF FLUORESCENT LAMP
Note: This is only applicable for SPD
1. Disconnect the electrical connections
2. Lift the head unit and lock it in place by using the stoppers
3. The fluorescent lamp(s) are located behind the blue panel. Remove the old one(s) from their
socket(s) and replace back with the new one(s)
The use of non-Esco parts and/or parts not supplied directly by Esco or our authorized
distributors, including but not limited to maintenance parts, spare parts, replacement parts,
system components and/or system accessories shall void all expressed or implied warranties.
Used filter is contaminated with chemical vapours and so should be sealed in a
plastic bag for disposal in accordance with local regulations. Please refer to
SAFETY WARNING in Page 4 for more information.
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