Outlet Louvres; Wiring - Norseman XGB Series Installation, Operation & Maintenance Instructions Manual

C.4 Outlet Louvres
1. A louvered grill on the heater outlet end is supplied as
standard. The louver assembly may be positioned either
horizontally or vertically for maximum flexibility.
2. Standard heaters are shipped with the louvers in the
horizontal position. To change the orientation of the
louvers to vertical, remove the three mounting screws
securing the louver assembly to the cabinet and rotate
the louver 90º to the desired direction.
C.5 Wiring
CAUTION. Whenever hazardous material are present,
ensure that the terminal housing covers, plugs, etc.,
are secured (but not over-tightened) before powering
CAUTION
the heater.
All circuits must be in the open position before
removing juncation or terminal box covers.
1. The heater must be installed by qualified personnel in
strict compliance with the electrical code.
2. All heaters are factory pre-wired and ready for direct
connections to the power supply leads.
Table 2: Recommended Fuse Sizes
supplied as standard.
3. The heater must be individually fused, preferably with
either horizontally or
Catalog Number
Class J time-delay fuses for maximum safety. Unless
stated otherwise in your local code, fuse size shall be
uvers in the horizontal
XGB038T3B
125% of line current or next size larger. See Table 2 and
ers to vertical, remove
uver assembly to the
Table 3, page 8 for recommendations.
d direction.
XGB050T3B
4. Use approved conduit and conduit seals are required by
the code for the hazardous location.
XGB075T3A
are present, ensure
5. The Norseman™ explosion-proof unit heaters are
tc., are secured (but
equipped with a factory installed conduit seal between
ater.
XGB100T2C
the control and supply housings. In Division 2, Zone 1 and
on before removing
Zone 2 applications, a field installed conduit seal may not
be required.
XGB100T3B
ed personnel in strict
6. Supply wiring connections are made by accessing the
over of the side mounted supply connection housing
XGB150T3B
nd ready for direct
(terminal box). Slide the control trolley out of the housing
just enough to access the terminal block (Figure 8,
XGB200T3B
referably with Class J
page 8).
s stated otherwise in
XGB225T3A
ne current or next size
7. Connect the power leads to terminals marked L1 and L2
XGB250T2D
for single phase and L1, L2 and L3 for three phase heaters
s are required by the making certain to leave some excess wire to ensure that
XGB300T2D
the leads may slide back into the housing with the trolley.
XGB325T2D
See Figure 9 and Figure 10, page 9 for control circuit
XGB350T2C
and Figure 11, page 9 for suggested wiring. Exercise
care to avoid damage to wires caused by threads on the
housing.
Figure 8 – Terminal Block Trolley
8
Recommended
kW Voltage Max Line Amps Fuse Size
(Amps)
1 Ø 3 Ø 1 Ø
3.75 2 0 8 1 9 1 1 2 5
2 4 0 1 7 1 0 2 5
4 8 0 - 6 -
6 0 0 - 5 -
5 2 0 8 2 5 1 5 3 5
2 4 0 2 2 1 3 3 0
4 8 0 - 7 -
6 0 0 - 6 -
7 . 5 2 0 8 3 7 2 2 5 0
2 4 0 3 2 1 9 4 0
4 8 0 - 1 0 -
6 0 0 - 8 -
1 0 2 0 8 2 9
2 4 0 4 3 2 5 6 0
4 8 0 - 1 3 -
6 0 0 - 1 1 -
1 0 2 0 8 - 3 0 -
2 4 0 4 7 2 6 6 0
4 8 0 - 1 3 -
6 0 0 - 1 1 -
1 5 2 0 8 - 4 4 -
2 4 0 - 3 8 -
4 8 0 - 1 9 -
6 0 0 - 1 5 -
2 0 4 8 0 - 2 5 -
6 0 0 - 2 0 -
22.5 4 8 0 - 2 8 -
6 0 0 - 2 3 -
2 5 4 8 0 - 3 1 -
6 0 0 - 2 5 -
3 0 4 8 0 - 3 7 -
6 0 0 - 3 0 -
32.5 4 8 0 - 4 0 -
6 0 0 - 3 2 -
3 5 4 8 0 - 4 3 -
6 0 0 - 3 4 -
TERMINAL BLOCK
Figure 8 - XGB Terminal Block Trolley Figure
Table 2 – Small cabinet
Catalog
Number
XGB038T3B
XGB050T3B
XGB075T3A
XGB100T2C
Table 3 – Large Cabinet
3 Ø
1 5
Catalog
1 5
Number
1 0
1 0
2 0
2 0
1 0
1 0
XGB100T3B
3 0
2 5
1 5
1 0
4 0
3 5
2 0
1 5
4 0
XGB150T3B
3 5
2 0
1 5
6 0
5 0
2 5
XGB200T3B
2 0
3 5
2 5
3 5
XGB225T3A
3 0
4 0
3 5
5 0
XGB250T2D
4 0
5 0
4 0
6 0
XGB300T2D
4 5
XGB325T2D
XGB350T2C
Max Line
Amps
kW Voltage
1 Ø 3 Ø
208 19
11
240 17
10
3.75
480 –
6
600 –
5
208 25 15
240 22 13
5
480 – 7
600 – 6
208 37 22
240 32 19
7.5
480 – 10
600 – 8
208 – 29
240 43 25
10
480 – 13
600 – 11
Max Line
Amps
kW Voltage
1 Ø 3 Ø
208 – 30
240 47 26
10
480 – 13
600 – 11
208 – 44
240 – 38
15
480 – 19
600 – 15
480 – 25
20
600 – 20
480 – 28
22.5
600 – 23
480 – 31
25
600 – 25
480 – 37
30
600 – 30
480 – 40
32.5
600 – 32
480 – 43
35
600 – 34
Recommended
Fuse Size (Amps)
1 Ø 3 Ø
25 15
25 15
– 10
– 10
35 20
30 20
– 10
– 10
50 30
40 25
– 15
– 10
– 40
60 35
– 20
– 15
Recommended
Fuse Size (Amps)
1 Ø 3 Ø
– 40
60 35
– 0
– 15
– 60
– 50
– 25
– 20
– 35
– 25
– 35
– 30
– 40
– 35
– 50
– 40
– 50
– 40
– 60
– 45