Fault Analysis; Options - Lennox CWC 020 Installation, Operation & Maintenance Manual

Chilled water cassette
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OPTIONS

WATER CONTROL VALVE KIT (2 AND 4 WAYS, ON/OFF AND PROPORTIONAL)
Water control valve (4 ways)
AUXILIARY DRIP TRAY
• Install the auxiliary drip tray as shown in the illustration.
• Connect the drain tube from drip tray to the auxiliary drip tray.
• The condensate drains from auxiliary drip tray will be pumped away.
Auxiliary drip tray
Drain tube from drip
tray

FAULT ANALYSIS

PROBLEM
1.- Unit not operating
2.- Indoor unit fan running to
fast without apparent speed
change
3.- Condensate overflowing
Coupling
Drain tube from
auxiliary drip tray
Connecting flexible hose
ACTION
• Check power is available at unit.
• Check wiring.
• Check remote control is functioning and set properly ( if any).
• Check the indoor unit filter is clean.
• Check wiring
• If problem persists then motor may be faulty.
• Check drip tray for blockage, and condensate drains away.
• Check unit is level.
• Check condensate pump is working.
• Check service drain pipework.
NOTE THE CORRECT POSITION OF THE
WATER CONTROL VALVE
Condensate pump flexible hose
Main cable
Auxiliary drip tray
14
Air vent
Water control valve

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This manual is also suitable for:

Cwc 030Cwc 040Cwc 050

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