Datasheet
Chapter 7: Maintenance
7.2. Calibration procedures
In this section the calibration procedures for the TPG and TCU are detailed. In both
cases a few preliminary steps must be followed:
1. Switch off the device.
2. remove the TPG or TCU cover (refer to figure 7.8):
a) Pull off the light gray plastic pieces of the side of the front and back plates.
b) Lift off the light gray plastic shades form the side of the box, which gives
access to the screws holding the top and bottom covers.
2
1
T
e
m
p
e
r
a
t
u
r
e
C
o
n
t
r
o
l
l
e
r
A
l
a
r
m
R
e
s
e
t
E
x
t
e
r
n
a
l
I
n
t
e
r
n
a
l
R
e
a
l
I
R
e
a
l
C
S
e
t
t
i
n
g
C
S
e
t
t
i
n
g
+
I
S
e
t
t
i
n
g
−
I
+
−
TCU151
T
P
G
1
2
8
−
T
T
L
P
u
l
se
G
e
n
e
r
a
t
o
r
O
F
F
O
N
P
o
w
e
r
0
.
2
t
o
2
.
2
m
s
0
.
5
t
o
1
0
.
5
m
s
5
t
o
1
0
5
m
s
0
t
o
2
0
0
n
s
−
−
−
−
−
−
−
−
−
P
e
r
i
o
d
−
−
−
−
−
−
−
−
−
−
D
u
r
a
t
i
o
n
−
G
a
t
e
I
N
T
r
i
g
O
U
T
O
u
t
1
O
u
t
2
5
0
o
h
m
s
5
0
o
h
m
s
1
5
0
o
h
m
s
m
a
x
6
0
m
A
+
1
2
V
0
V
Figure 7.8.: TPG (left) and TCU (right) cover removal.
3. Switch on the device.
DANGER
Contact with AC line potential can cause death or serious injury If
work on live electrical circuits is required, use all appropriate
precautions and hot work procedures required at your location.
82 QCL user’s manual v3.0










