Norseman XB1 Installation, Operation & Maintenance Instructions Manual page 4

IMPROPER ORIENTATION OF THE HEATER
COULD AFFECT THE SAFE AND RELIABLE
OPERATION OF THE HEATER.
WARNING
7.0 THERMOSTAT INSTALLATION
7.1 FACTORY
purposes the thermostat well (located at back
of unit) has not been installed.
Position thermostat bulb perpendicular to
housing being careful not to kink the capillary.
Slide well over bulb and screw into place. Make
sure that a minimum 5 threads engagement is
achieved.
7.2 FIELD INSTALLED KIT - Most Norseman
XB units are suitable for field installation of a
thermostat kit with the operator shaft hole on the
front side of the unit and plugged with a socket
head cap screw. If a thermostat is to be field
installed, check to verify that you have been
supplied with the correct thermostat kit. Single
phase heaters use a single pole thermostat
as supplied in kit number XTKW04481. Three
phase heaters use a double pole thermostat
as supplied in kit number XTKW04483. Follow
the instructions supplied with the kit.
8.0 WIRING
8.1 Whenever hazardous materials are present,
ensure that the terminal housing covers are
secure before powering the heater.
8.2 Use supply wires suitable for 221°F (105°C).
8.3 Use approved conduit and conduit seals as
required by the code for hazardous locations.
8.4 To provide
Norseman
TM
individually using the nearest standard fuse
size which is not less than 120% of the
expected line current.
8.5 All heaters come factory prewired and ready
for direct connection to the power supply
leads.
(a) Connect the power leads to terminals
marked L1 and L2 for single phase and L1,
L2 & L3 for three phase heaters as shown in
Figure 9.
(b) Connect the ground wire to the ground
connection located in the heater terminal
housing.
4
INSTALLED - For
maximum protection
XB heater should be fused
shipping
TM
TABLE 3 -
Part No.
XB1-1005T6
XB1-1010T4A
XB1-1017T4A
XB1-1030T3B
XB1-1047T2D
XB1-3047T3B
XB1-3075T2D
XB1-4100T2D
XB1-6020T6
XB1-6045T4A
XB1-6125T2D
XB1-6135T2D
XB2-1075T2D
XB2-3150T2D
XB2-4100T3B
XB2-4200T2D
each
XB2-6040T6
XB2-6085T4A
XB2-6150T3B
XB2-6250T2D
XB3-1100T2D
XB3-1125T2D
XB3-3100T3B
XB3-3200T2D
XB3-4150T3B
XB3-4300T2D
XB3-6060T6
XB3-6125T4A
XB3-6225T3B
XB3-6375T2D
XB4-1150T2D
XB4-3250T2D
XB4-4225T3B
XB4-4375T2D
XB4-6080T6
XB4-6160T4A
XB4-6300T3B
XB4-6450T2D
XB4-6500T2D
FIGURE 9 - WIRING DIAGRAM
REPLACEMENT THERMOSTATS
Wiring Diagram (Figure 9)
1Ø
Fig. 1
Fig. 2
Fig. 3
(Except
XB3-4150T3B 600V
& XB3-6125T4A 600V
use Fig. 8)
Fig. 4 (Except XB4-
6160T4A 600V &
XB3-3250T2D 600V
use Fig. 10)
3Ø
-
Fig. 5
Fig. 6
(Except
XB3-4150T3B 600V
& XB3-6125T4A
600V use Fig. 9)
Fig. 7