Aircommand HERON 2.2 Gebruikershandleiding - Pagina 13
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Ook voor Aircommand HERON 2.2: Handleiding voor installatie-instructies (10 pagina's)
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Symptom
Condenser set is noisy and
vibrates
"Tipping" noise from Con/set
"Tipping" noise from A/H
Unit does not energize
A/H fan will not run on any
speed
Compressor & cond. fan will
not run
Insufficient cooling
Insufficient heating
Water drips from A/H
TROUBLE SHOOTING
Probable Cause
Check that general pipework is
not touching cabinet, lid, or
chassis
Fan rotor touching inlet ring
Fan rotor touching inlet ring
Circuit breaker open
Plug not in correctly at back of
S/W box
Plug not in correctly at back of
S/W box
1. Thermostat set too high
2. Fan speed too low
3. Condenser fan not running
4. Unit is low on refrigerant
charge. Generally the temp.
diff. between return air and
discharge air is 11 to 12°C
1. Thermostat set too low
2. If no heating apparent check
8 pin plug at back of switch
box
3. Element faulty
1. Faulty drain installation,
elbow into A/H must not
protrude above grommet
2. Drain hose does not have
continuous downward
gradient
3. Drain hose kinked or blocked
4. Condensate dripping off
flare nut on A/H
10
Remedy
Gently bend or pull away from
panel etc
Ease motor retaining screws,
and adjust
A/H must be partially removed
from cupb'd. Remove top and
adj. fan ht. via 4 support bolts
(5/16")
Reset circuit breaker
Remove control panel & push in
8 pin plug
Remove control panel & push in
3 pin plug
Adjust more into blue
Switch fan to high
Check free to turn
Check resistor ok
Refrigeration Mech. to adjust
charge
Adjust further into red
Remove control panel and push
in plug
Replace element
Check correct elbow has been
used at A/H see pp. 4
Adjust accordingly
see pp. 4 & fig. 10
Ensure elbow is used at top of
vertical drop.
3
/
Wrap bituminous tape around
8
f/nut to insulate