PTAC Owners and Installation Manual

8
DIP SWITCHES CONFIGURATIONS (Optional)
REMOVING THE FRONT PANEL
- Dip switches controls are located behind front panel,
through an opening below the control panel.To
access,remove front panel.See Fig.2.
- Dip switches are accessible without opening the
control box.See Fig.3.
- Unit must be powered OFF to effectively change
their status.
Fig.2
- Pull out at the bottom to release it from the tabs .
- Then lift up .
DIP SWITCHES CONFIGURATIONS
- See Table 1 and Fig.4 for Dip Switches configurations
and functions of each dip switch position.
UP(ON)
DOWN(OFF)
Fig.4
Dip Switches
Fig.3
Table 1 DIP SWITCHES CONFIGURATIONS
No . UP(ON) DOWN(OFF)
Remarks
S1
Electric Heat Only
Electric Heat and Pump Heat For Heat Pump unit only
S2
O
Temperature Display in C
S3
Wall Thermostat Enable
Control Panel Enable
S4*S5
OOOO
UP*UP:61 F~86 F(16 C~30 C);
O
Temperature Display in F
OOOO
UP*DOWN:65 F~78 F(18 C~26 C);
OOOO
DOWN*UP:63 F~80 F(17 C~27 C);
OOOO
DOWN*DOWN:68 F~75 F(20 C~24 C);
Two configurations (S4*S5)
combine to select set point
range.
S6
S7
Fan Continuous Run for Heating Fan Cycle for Heating
Fan Continuous Run for Cooling Fan Cycle for Cooling
Electric Heat Only (for heat pump unit only)
- This setting is typically used for Emergency Heating.
Wall Thermostat Enable
- A wired wall thermostat can be connected to the
unit .If it is,this dip switch must be moved to the
Wall Thermostat Enable Position,before the wall
thermostat will begin control.
Heat and Cool Fan CON/CYC Dip-switches
- Allows the fan to operate in continuous or cycle
modes while the unit is in heating and cooling mode.
CON(Continuous)
-Allows fan to run continuously,circulating air even when the
temperature setting has been satisfied.This switch helps to
maintain the room temperature closer to the thermostat setting.
CYC(Cycle)
-This setting allows the fan to cycle on and off with the
compressor or electric heater.The fan stops a short time after
the temperature setting is satisfied.
Setpoint Temperature Limits
- Provides a restricted range of temperature control.
NOTE: On heating mode, the setting temperature
OO
can not be higher than 29 C/84 F.
11 22 33 44 11 22 33 44
S1S1 S2S2 S3S3 S4S4 S5S5 S6S6 S7S7 S8S8 S9S9
X X
A0-A0-
A3A3
Wall thermostat type
Heating type
Temperature display type
Control type
Setpoint limit 1
Setpoint limit 2
Fan CON/CYC for cooling
Fan CON/CYC for heating
11 22 11 22 33 44
S9
Use PTAC other Wall
Thermostat
Use some types of wall
Thermostat
you can consult with the
sales agency or manufacturer
for details
Low temp. Protection
S8
Low temp. Protection enable Low temp. Protection disable
Low temp. Protecton(optional)
O
- If unit senses a room temperature below 32 F
O
(0 C), the fan motor and electric strip heat will
OO
turn on and warm the room to 40 F(4.4 C). The
fan stops a short time after the temperature is
satisfied.
Optional