TemperZone ISU KD Series Installation & Maintenance

ISU 140/160 KD
Underceiling/Console
Split System Indoor Units
GENERAL
The ISU Underceiling Indoor Units are
designed to be coupled with the OSA
outdoor units and controlled by the SAT-2
room temperature controller. Units must be
installed in accordance with all national and
local safety codes.
Combinations
One ISU 140KD with one OSA 140RKTH
One ISU 160KD with one OSA 156RKSH
One ISU 160KD with one OSA 156RKTH
UNpACKING UNItS
The OSA outdoor unit and ISU indoor unit
are cartoned separately. Unpack each item
carefully. Examine for transit damage.
ISU UNIt
Components
The ISU carton includes:
1. ISU indoor unit.
2. SAT-2 Wall Control (shipped inside
unit behind filter panel)
3. Insulated condensate drain extension kit.
4. Right-angled suction pipe extension
c/w lock nut and teflon seal.
Fig. 2 Mounting Bracket Detachment
VIEWED FROM BELOW
ENDCAP
MOUNTING
BRACKET
SCREW SECURING
ENDCAP
(c/w SAT-2 Controller)
INStALLAtION
positioning & Mounting
The ISU is designed to be installed :
a. suspended horizontally beneath a level
or sloping ceiling, or
b. floor or wall mounted (i.e. vertically).
Note: For an extra low profile the unit can
be recessed into the ceiling (or wall).
Fig. 1 Mounting Options
UNDERCEILING
MOUNTING
OPTIONAL
MOUNTING
(RECESSED)
MOUNTING ROD CENTRES
HINGED DOWN
FILTER PANEL
Installation &
Maintenance
preparation
Prior to mounting the ISU the mounting
brackets must be detached from each end
of the unit.
1. Open the end filter panel and locate the
2. Remove the endcap securing screw and
3. Remove the endcap by first sliding
4. Release each mounting bracket from
5. Remove the floor mounting base from
Underceiling Mounting
Locate the ISU near a wall to take full
advantage of the long supply air throw and
to hide the condensate drain pipe (and other
connections) exiting at the rear of the unit.
Refrigeration and wiring connections are
via the top or the rear access holes. A right-
angled suction pipe extension is supplied to
WALL
facilitate top exit.
Underceiling Installation
1. If an extra low profile installation is
2. Install four M8 threaded hanging rods (not
Fig. 3 Mounting Detail
3. Thread on and tighten the lower washer
4. Adjust distance between mounting
screw securing the unit endcaps (refer
figure 2).
retain.
it forward approx. 20 mm, then pull
outwards away from end of the unit.
behind the two bolts securing them to the
unit.
the back of the ISU if when ceiling
mounted it is required to fit flush to the
wall.
preferred, first cut the required ceiling
aperture.
supplied) to protrude no more than 30 mm
below the level of the mounting bracket
flange (refer figure 3).
MOUNTING ROD
MOUNTING
BRACKET
30 mm
MAXIMUM
ISU 90: 1203 mm
ISU 140/160: 1803 mm
and locknut sets (not supplied) to secure
the left and right mounting brackets.
Note: Mounting bracket flanges face
inwards.
brackets to match dimensions in figure 3.