![background image](http://html1.mh-extra.com/html/daikin/jehscu-series/jehscu-series_technical-data-manual_2460243024.webp)
• Scroll Condensing Unit • JEHSCU
• Scroll Condensing Unit • JEHSCU
22
10
Service & Maintenance
Important Note
Warning! - Disconnect the main electrical supply be
f
ore servicing or opening the unit
Warning! - Ensure there is no re
f
rigerant in re
f
rigerant circuit be
f
ore dismantle it
Warning! - I
f
the supply cord is damaged, it must be replaced by the quali
f
ied service agent in order to avoid a hazard.
The condensing units are designed to give long li
f
e operation
w
ith minimum maintenance. Ho
w
ever, they should be routinely chec
k
ed and the
f
ollo
w
ing
service schedule is recommended under normal circumstances:
The removal o
f
the top, side and
f
ront panels ensures that all parts are accessible.
1.
Compressor - Inspect at regular intervals
•
Chec
k
f
or re
f
rigerant lea
k
s on all joints and
f
ittings.
•
Ensure that no abnormal noise or vibration is detected during test run.
•
Chec
k
the compressor oil levels and top up i
f
required. The oil level should not be lo
w
er than quarter o
f
the compressor oil sight glass.
2.
Condenser Fan Motor & Blade - Clean and inspect at regular intervals
•
Chec
k
f
or abnormal noise, vibration and
f
an imbalance.
•
Ensure that the
f
an motor is clean and spins
f
reely.
•
Chec
k
that the condenser
f
an blade is clean and
f
ree
f
rom restriction.
•
Note: The Fan Motor is pre-lubricated and
f
actory sealed so no maintenance is necessary.
3.
Condenser Coil - Clean and inspect at regular intervals
•
Chec
k
and remove the dirt and debris bet
w
een the
f
ins using a suitable chemical coil cleaner.
•
Chec
k
and remove any obstacles
w
hich may hinder the air
f
lo
w
through the condenser coil.
4.
Po
w
er Supply - Inspect at regular intervals
•
Chec
k
the running current and voltage
f
or the condensing unit.
•
Chec
k
the electrical
w
iring and tighten the
w
ires onto the terminal bloc
k
s i
f
necessary.
Under normal circumstances:
•
Clean condenser coil every three months
•
Carry out lea
k
test every month
•
Examine electrical cables and enclosures each year
•
Chec
k
and veri
f
y operation o
f
all sa
f
ety devices every three months, ensure cran
k
case heater is operational
•
Chec
k
sight glass and operating conditions
•
Chec
k
security o
f
compressor mountings and the bolts that hold do
w
n the unit each year
EE
D
E
N
1
3
-
780A
_
Scro
ll
Condensing
U
nits
- JEH
SC
U.p
d
f 24
30
/
0
4/2
0
1
3
16:11:11