OPA 390R
DIMENSIONS (mm)
Not to Scale
405
SUPPLY
AIR
RETURN
AIR
150
375
425
105
1560
MOUNTING CENTRES
1360
MOUNTING CENTRES
55
1680
1475
1330
OUTDOOR
AIR FLOW
OPTIONAL
WEATHER
HOOD
500 MIN.
CLEARANCE
1000 MIN. CLEARANCE
OPTIONAL
WEATHER
HOOD
770
ACCESS
PANEL
X
Y
Z
W
DRAIN
1" BSP
FEMALE
60
365
1000 MIN. CLEARANCE
ELECTRICAL
BOX
FILTER
ACCESS
PANEL
225
600
Fig. 1
Horizontal Supply & Return Air / Mounting Rails
Version 1
PROJECTION
POINT LOADS (kg)
W
X
Y
Z
127
99
113
140
Note :
A 2 m clearance is
required above the
exhaust air fans
Net Weight 479 kg
ADD-ON
SPIGOTS
(SUPPLIED)
SUPPLY
& RETURN AIR
205
150
425
380
375
750
135
100
290
405
OUTDOOR
AIR FLOW
Fig. 2
Downward Supply Air / Mounting Rails
Version 2
NOTE
The manufacturer reserves
the right to make changes in
specifications at any time
without notice or obligation.
Certified data is available on
request.
Note
:
Supply and return air spigots
are shipped loose inside the
return air cavity.
2. Check condensate drain for free
drainage.
3. Check compressor compartment for oil
stains indicating refrigerant leaks.
Three Monthly
(or every 1200 hrs of operation)
Check the indoor unit's fan belt tension and
adjust if necessary.
Six Monthly
1. Check the tightness of electrical
connections.
2. Check the tightness of fans, motor
mountings, pulleys and belt tension.
3. Check suction and discharge operating
pressures.
4. Replace indoor air filters (if fitted).
5. Check condensate drain for free
drainage.
Yearly
1. Check all refrigerant piping for chafing
and vibration.
2. Check the operation of electric heaters, if
fitted.
3. Check air supply at all diffusers.
4. Check for excessive noise and vibration
and correct as necessary.
5. Check fan and motor bearings and
lubricate or replace as necessary.
6. Check for insulation and duct damage
and repair as necessary.
7. Remove lint and dust accumulation from
outdoor coil fins.
8.Touch up any paintwork damage to
prevent corrosion.
