HERON 2.2 - Insufficient Cooling Issues; Insufficient Heating Issues; Water Dripping from Air Handler

24
Insufficient cooling
Insufficient heating
Water drips from A/H
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 9
pin plug at back of
S/W 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
3
/8 flare
nut on A/H
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 facia and push
in plug
Replace element
Check correct elbow
has been used at A/H
see pp. 4
Adjust accordingly
see pp. 4 & fig. 11
Ensure elbow is used at
top of vertical drop.
Wrap bituminous tape
around f/nut to insulate