Trane Axiom GEHB - Field Wiring; Wiring Safety Precautions; Controller and Unit Wiring

12
Field wiring
30
30
30 30
1
12V GND Tx' Rx'
12V GND Tx' Rx'
To Controller
To Controller
OAT OD
ID
ROOM
CPU
HF
5A/250~
COMP
L
HEATER
L
MFLF
OF
4WVN
LIVE
3214
DIP
ON
SW-4
CN3
Figure 14 Thermostat/sensor Location
Figure 15 Wire controller base framework
Figure 16 Main unit control board Figure 17
All wiring and grounding must be
in accordance with national and
local codes. Trane shoulder no
liability for installation performed by
unqualified personnel.
Warning
In the process of installation,
debugging, servicing and repairing,
when power-on operation is required,
it must be performed by qualified and
special trained personnel. Or severe
body hurt and even death of operator
will result from electric shock.
Wiring safety precautions
1.Check the accordance of electric
parameters on the nameplate and unit
power specification.
2.A disconnect switch must be provided
at the job site and installed above or
adjacent to the unit.
3.Cooper wire only. Other kind of wire
will damage the unit.
4.Safety grounding is required for all
the units.
5.High voltage wire is connected firmly
and reliably to the control box thru
reserved hole on the shell.
Temperature controller
installation
Temperature controller must be
furnished at well-ventilated better
average temperature indicated
locations, excluding back door or
corner, cool/heat duct adjacency,
radiator neighbor like direct sunshine
places, concealed duct or chimney
adjacency, outdoor wall or un-
conditioned area, other unit neighbor
or conditioned area supply outlet. See
Figure 14 for the detail.
Wire controller
Wire controller can be set on the 86 a.
type of base box, which is installed
align to the wall.
Thread the communication shield
wire thru the reserved hole on the
base of the wire controller, which is
then fixed on the selected place.
Connect the communication shield
wire on the according terminals, as
shown in Figure 17.
Close the controller cover.
Connection to the main unit
Open the control box.
Connect power line and control
line firmly according to unit wiring
diagram.
Connect shield wire of wire
controller to according terminals on
the main unit control terminal, as
shown in Figure 16.
Close the control box.
b.
c.
d.
a.
b.
c.
d.