- 3-
J) Compressor starting fault
If compressor starting fails, 3 minutes later, it will try to
start again. It will not display error code at the first 3 times
fault. If the 4th time fail again, it will not start any more and
display the error code.
K) DC-BUS over voltage/under voltage protection
Once monitors the DC-BUS is over or under voltage, unit
stops and display error code.
L) EEPROM fault
When the unit is powered on, if system monitors the
EEPROM fault, displays error code and will not operate
any more.
• Intelligent control
-CPU will adjust the compressor
operating frequency according to the energy demand,
making the room temperature more stable and more
comfortable and more energy saving.
• Two-speed outdoor fan HIGH/LOW
-When outdoor
ambient temperature becomes lower (for example,
during the night), outdoor fan will operating in low speed,
so to lower the noise and also more energy saving.
•
Standard Physical Dimensions
-
The series PTAC is
with the same dimensions 42" wide x 16" high x 13-3/4"
deep
Replacement of older units is made easy.
•
Weather-Protected Electrical Components
-
Vital
electrical components are protected from the weather by
locating them on the indoor side of the weather barrier.
•
Highly Featured Microprocessor Controls
-
Microprocessor controls are programmed to interface
with the temperature sensors to maximize comfort
conditions for the room occupant and provide
outstanding features.
Thermistors are used to sense small changes in
temperature to give excellent room control and allow the
microprocessor to monitor and react to changing
conditions.
• Automatic Emergency Heat on Heat Pump Units
-
Automatically uses electric resistance heat if the heat
pump fails
.
• Fan Motors Permanently Lubricated
-
All units have
two fan motors for quiet operation and maximum
operating efficiency.
M o t o r s a r e p e r m a n e n t l y l u b r i c a t e d t o r e d u c e
maintenance and totally enclosed to keep dirt and water
out of the motor windings.
• Indoor Fan Speed Selections LOW /HIGH
-
Unit may
be operated in low fan speed or high fan speed. Some
speed may not be present based on unit
capacities
.
•
LS Control
(
front
-
desk control
)-
The unit can be
turned ON
/
OFF by front
-
desk control switch
.
The control
wire
,
colored purple
,
locates in the wall mounted
thermostat interface
(
refer to Fig11 on page 7
).
WALL MOUNTED THERMOSTAT INTERFACE
R LS GH B Y W GL C
T
he control logic as belw
:
1
.
Turn ON unit
:
short circuit R and LS then release for
one time within 5 seconds
.
2
.
Turn OFF unit
:
short circuit R and LS then release for
twice within 5 seconds
.
3
.
Force unit shut down for one time
:
connect LS to R for
over 5 seconds
.
NOTE
:
After force shut down
,
you can turn the unit ON
again by hand
-
held remote controller or the control
panel
.
WARNING
HIGH VOLTAGE
D I S C O N N E C T A L L P O W E R B E F O R E S E R V I C I N G O R
INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY
BE PRESENT, FAILURE TO DO SO MAY CAUSE PROPERTY
DAMAGE, PERSONAL INJURY OR DEATH.
UNIT ACCESSORIES
This unit is designed for through-the-wall installation in
new or existing buildings. To complete the installation
of this PTAC, an insulated wall sleeve and an outdoor
grille (either the stamped aluminum grille, or the
architectural grille ) are required.
The chassis and the cabinet front are shipped in one
carton. Optional accessories to complete a particular
installation are the following:
OPTIONAL ACCESSORIES
Wall Sleeve Kit
Key Lock Kit
Drain Kit
Filter Kit
Wire Harness Kit
Architectural Grille Kit
Stamped Louver Kit
LCDI Power Cord
Wireless IR Thermostat
Electric And Non Electric Sub Base Kit
IR REMOTE CONTROLLER
NOTE:
Consult sales literature for the appropriate
voltage and amperage selections, if applicable.
