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The System can now be put into normal Operation
Trouble Shooting
Problem
Reason
Solution
1
Heating or
Cooling is not
satisfactory.
•
Setting target temperature is
not proper
.
•
Set target temperature correct ly
.
•
Check if temperature is
w
ater-based or air-based
.
See "Remote
sensor active
'
and 'Temp
.
sensor selection' in Chapter6.
•
Charged
w
ater is not
enough
.
•
Check pressure gage and charge more
w
ater until pressure gage
is indication 2
~
2
.
5 Bar
•
Water flo
w
rate is low
.
•
Check if strainer gathers too much partices
.
If so, strainer
should be cleaned
.
•
Check if pressure gage indicates above 4 Bar
•
Check if
w
ater pipe is getting closed due to stacked paticles or
lime.
2
Although
electric po
w
er
supply is OK
(remote
controller
displays
information), the
unit does not
start
w
orking.
•
Water inlet temperature is
too high
.
•
If
w
ater inlet temperature is above 57
°
C, the unit does not
operated for the sake of system protection
•
Water inlet temperature is
too lo
w
.
•
If
w
ater inlet temperature is belo
w
5
°
C in cooling operation, the unit
does not operated for the sake of system protection. Wait
w
hile unit
w
arms up the
w
ater inlet temperature.
•
If
w
ater inlet temperature is belo
w
15
°
C in heating operation, the
unit does not operated for the sake of system protection. Wait
w
hile unit
w
arms up to 18
°
C the
w
ater inlet temperature
.
•
If you are not using the back up heater accessory (HA** 1M
E1)
,
increase the
w
ater temperature
w
ith the e
x
ternal heat
source (heater
,
boiler).
If the problem persists, contact your dealer.
•
If you
w
ant to use the screed drying function, be sure to purchase
and install back up hater accessories (HA
**
1M E1)
.
3
Water pump
noise
.
•
Air purging is not
completely finished.
•
Open the cap of air purge and charge more
w
ater until
pressure gage is indicating 2~2.5 Bar
•
If
w
ater does not splash out
w
hen the tip(at the top of the hole)
is pressed, then air purging is not completed yet. If
w
ell purged,
the
w
ater
w
ill splash out like fountain
.
•
Water pressure is lo
w.
•
Check if pressure gage indicates above 0.3 Bar.
•
Check if the e
x
panstion tank and pressure gage operates
w
ell.
4
Water is flood
out through
drain hose
.
•
Too much
w
ater is
charged
.
•
Flood out
w
ater by opening the s
w
itch of the safety valve until
pressure gage is indicating 2~2.5 Bar.
•
E
x
pantion tank is
damaged
.
•
Replace the e
x
pantion tank
5
DHW is not hot.
•
Thermal protector of
w
ater
tank heater is actived
.
•
Open the side panel of the DHW tank and push the reset button
of the thermal protector. (for more detail information, please
refer to intallation manual of DHW tank
.
•
DHW Heating is disabled.
•
Select DHW Heating Operation and identify if icon is displayed on
the remote conr toller
.
