Air Chiller System (ACS) and Chiller Panel Getting Started Guide for the DMA 850 Page 54
Maintaining the Accessory
The primary maintenance procedures described in this section are the customer’s responsibility. Any fur-
ther maintenance should be performed by a representative of TA Instruments or other qualified service per-
sonnel.
Changing the Filter Cartridges – Rev B
The cartridges in each filter should be replaced every 12 months or when there is excessive dirt or liquid
visibly built up in the filter bowls.
Changing the Filter Cartridges – Rev A
The cartridges in each filter should be replaced every 12 months or when the pointer in the central filter is
in the red CHANGE section- whichever occurs first.
Figure 51 Filter indicator showing CLEAN.
Cleaning the Accessory
To clean the ACS Accessory, wipe down the exterior of the Chiller with a damp, soft cloth.
CAUTION: Do not use harsh chemicals, abrasive cleansers, steel wool, or any rough materials to
clean the cabinet, as you may scratch the surface and degrade its properties.
MISE EN GARDE: N'utilisez pas de produits chimiques agressifs, de nettoyants abrasifs, de la laine
d'acier ou tout autre matériau rugueux pour nettoyer l'armoire [écran tactile], car vous pourriez
égratigner sa surface et dégrader ses propriétés.
NOTE: It is important to power off the ACS regularly and purge with dry gas for a period of time, typi-
cally over-night. This prevents build-up of frost inside the ACS, which can slowly degrade the perfor-
mance of the Chiller or even stop operation entirely. It is recommended to power off the Chiller daily when
the ACS is used continually. Some users with exceptionally dry supply air will find that less frequent dry-
ing intervals are acceptable, possibly allowing up to a week to pass between drying cycles.
NOTE: Extended operation without load is detrimental to the system. For this reason, it is also advised
that the ACS be shut down overnight, or during other extended periods in which it will not be used
actively.
Filter indicator
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