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185211000 16
SERVICE AND MAINTENANCE
This section describes service and maintenance procedures to be performed on the Unit.
IMPORTANT: Only qualified personnel should service internal components or electrical wiring.
WARNING: Disconnect electrical power from the Unit to prevent personnel injury before
attempting any internal maintenance. Only qualified personnel should service the internal
components or electrical wiring.
CAUTION: This Unit is intended for indoor installation only. Do not install this Unit in an
outdoor environment which would expose it to the outside elements.
IMPORTANT: For the most efficient operation of the Unit, the ambient operating temperature for the
Unit should not exceed 90° F. Satisfactory temperatures may be obtained using blowers, air
conditioning, etc. Check your local codes.
PREPARING UNIT FOR SHIPPING, RELOCATING, OR STORING
CAUTION: Before shipping, relocating, or storing the Unit, all product coils must be
sanitized and all sanitizing solution must be purged from the coils. Ice bank must be
melted and all water drained from the water tank. A freezing ambient environment will
cause residual water remaining inside the Unit to freeze resulting in damage to internal
components.
TOP COVER, ACCESS GRILLES, AND DRIP TRAY REMOVAL
(see Figure 3)
OPENING HINGED TOP COVER
Pull release latch on front of top cover, then lift hinged top cover up into open position.
ACCESS GRILLE REMOVAL
Remove screws securing access grille on Unit, then remove grille.
DRIP TRAY REMOVAL
1. Disconnect drain hose from bottom of drip tray.
2. Lift drip tray up slightly, and at same time, tip front of drip tray up to disengage its bottom supports from
square holes in the Unit front panel. Slide drip tray down to disengage its upper rear edge from under valve
trim panel lip.
3. Install drip tray on Unit by reversing removal procedure.
PERIODIC INSPECTION
1. Check Unit condenser coil for accumulation of dust, lint, and grease which will restrict air flow through the
condenser coil. Restricting air flow through the condenser coil will decrease Unit cooling efficiency.