Johnson Controls VRF System Engineering Manual page 11

● Automatic COOL/HEAT Operation
By improving differential temperature for automatic COOL/HEAT operation, it is possible to perform refined
and sensitive operation and a more comfortable air conditioned environment is realized.
Control Flow of AUTO Mode
SET TEMP. +3
SET TEMP. -3
Room Air TEMP.
(Indoor Unit Air Intake Temp.)
Heating Mode
Cooling Mode
Thermo-ON
Thermo-OFF
Thermo-ON: The outdoor unit and some indoor units are running.
Thermo-OFF: The outdoor unit and some indoor units stay on, but don't run.
● Easy Maintenance (Adopting New Antibacterial Agent of Drain Pan)
The silver ions antibacterial agent is newly adopted in the drain pan, and
it inhibits generation of mold or bacterium which is the cause of slime.
The antibacterial agent (cased) is fixed in the drain pan.
(Exchangeable, term of validity is 10,000 hours of the cooling operation
(Approx. five years).)
● Easy Installation
(1) Easier Height Adjustment
The unit height can be adjusted from four corner
pockets, with the decorative panel attached to the unit.
Height adjustment from the corner pockets is suitable
for fine adjustment.
To keep the unit level, avoid significant height
adjustment.
(2) Improvement of Drain Pump
High-lift DC drain pump makes it possible to raise the drain pipe straight up, up to 33-7/16 inch
(850mm) from the false ceiling surface.
Max. Lift Height (H)
Max. Length (a+b+c)
TC-16002-rev.1
F (2 C)
o o
SET TEMP.
F (-2 C)
o o
inch (mm)
33-7/16 (850)
43-5/16 (1100)
Unit Body
Decorative Panel
Corner Pocket
Wrench
Ceiling
a
(Max. 11-13/16 (300))
Hose Band (Accessory)
Drain Hose
(Accessory)
FEATURES
The indoor unit height from
the false ceiling surface can
be adjusted from the corner
pocket with a wrench.
39-3/8 to 59-1/16 inch (mm)
(1000 to 1500)
Support Part
c
Shorter
1/25 to 1/100
if possible. Down-Slope
1-3