Installation – Trane PTAC-SVX01C-EN User Manual
Page 15

PTAC-SVX01C-EN
15
Installation
Note:
If using a third party 
thermostat to control the 
unit, the thermostat must 
have a clearly marked OFF 
state or position.
Note:
It is important to make sure 
that the control board’s fuse 
is functioning. The specs for 
the control board fuse are: 
5x20mm, 250V, 315mA, fast 
acting. For more inormation 
on a blown fuse on the 
control board, check the 
Troubleshooting section of 
this document.
Table 6.
Maximum wire length for front
desk switch and remote 
control connections
External Interface
Wire
Specification
Size
Length
Thermostat
#22
100 ft.
#20
200 ft
#18
300 ft.
Energy mgmt system
#20
900 ft.
#18
1500 ft.
Remote fan
#20
60 ft.
#18
66 ft.
Display module
#20
100 ft.
#18
120 ft.
Table 7.
Wiring Voltage
Unit
Mode
Voltage at terminal
Corresponding
Normal
Operation
GH
GL
W
Y
O
High Heat Pump
24
0
0
24
0
Heat
PTHE Heat Pump
Auxiliary is Electric
only
Low Heat Pump
0
24
0
24
0
Heat
High Emgcy Heat
24
0
24
0
0
Heat
24
0
24
24
0
Electric Heat Only
Low Emgcy Heat
0
24
24
0
0
Heat
0
24
24
24
0
Electric Heat Only
High Cooling
24
0
0
24
24 Cool
Low Cooling
0
24
0
24
24 Cool
High Fan
24
0
0
0
0
Fan Only
Low Fan
0
24
0
0
0
Fan Only
Off
0
0
0
0
0
Off – no capacity
Notes:
In the event that none of the
combinations listed in the table above is
present, the input will be deemed invalid and all
heating, cooling, and fan operation will be
disabled.
PTEE Air Conditioner
(Auxiliary is Electric,
Hot Water, or Steam
High Auxiliary Heat
24
0
24
0
X
Heat
Low Auxiliary Heat
0
24
24
0
X
Heat
High Cooling
24
0
0
24
X
Cool
Low Cooling
0
24
0
24
X
Cool
High Fan
24
0
0
0
X
Fan Only
Low Fan
0
24
0
0
X
Fan Only
Off
0
0
0
0
X
Off – no capacity
Table 7.
Wiring Voltage
Unit
Mode
Voltage at terminal
Corresponding
Normal
Operation
GH
GL
W
Y
O
High Heat Pump
24
0
0
24
0
Heat
