Options; Temperature Control; Auto/Off/Fan-Only" (Optional) - Norseman XGB Series Installation, Operation & Maintenance Instructions Manual

C
L3
L3
1 OR 3
Ø
L2
1 OR 3
Ø
SUPPLY L2
SUPPLY
L1
L1
X1
120V T1
X2
Figure 9A - Small Cabinet XGB Wiring Schematic
Figure 9A - Small Cabinet XGB Wiring Schematic
Figure 9 – Small Cabinet Wiring Schematic
1 OR 3
Ø
1 OR 3
Ø
SUPPLY
3 ONLY
SUPPLY Ø
L3 L2 L1
L3 L2 L1
L1
L1
L2
L2
L3
L3
X1
120V
X2
3
5
3
Figure 10 – Large Cabinet Wiring Schematic
Figure 9B - Large Cabinet XGB Wiring Schematic
Figure 9B - Large Cabinet XGB Wiring Schematic
3.5.8 Connect the ground wire to the ground connection located in
D.

OPTIONS

the supply connection housing; once again, making sure that the
3.5.8 Connect the ground wire to the ground connection located in
wire is sufficiently long to slide back into the housing with the trolley.
the supply connection housing; once again, making sure that the
See Figure 10.
wire is sufficiently long to slide back into the housing with the trolley.
D.1 Temperature Control
See Figure 10.
1. Built-in Thermostat (Optional)
TOP
When specified, the unit comes equipped with a built-in
TOP
thermostat pre-wired to all other standard controls. Set
the temperature to the desired operating condition.
2. Remote Thermostat (Optional)
Install the XT thermostat in accordance with the
instruction sheet provided. Terminals "T1" and "T2" in the
heater supply housing are provided for connection to
the remote thermostat and are pre-wired to the rest of
the control circuit. Remove the jumper wire between "T1"
and "T2" and connect the thermostat to these terminals.
(Refer to Figure 9 and Figure 10, page 9 ). Set the
temperature to the desired operating condition.
D.2 "AUTO/OFF/FAN-ONLY" (Optional)
Figure 10 - Supply Connection
If ordered, a factory installed "AUTO/OFF/FAN-ONLY"
switch may be included on the heater. The "fan-only"
3.5.9 Figure 10 - Supply Connection Due to the presence of hazardous materials, ensure that
feature allows the heater to cycle in a "heat" mode
the terminal housing covers, plugs, etc., are secured (but not
dictated by the controlling thermostat, even though the
over-tightened) before powering the heater.
fan is operating continuously.
3.5.9 Due to the presence of hazardous materials, ensure that
the terminal housing covers, plugs, etc., are secured (but not
over-tightened) before powering the heater.
C
H3
H3
TO HEATING
H2
TO HEATING
LOAD
H2
LOAD
H1
H1
REMOVE JUMPER FOR
REMOVE JUMPER FOR
OPTIONAL THERMOSTAT
OPTIONAL THERMOSTAT
X1
120V T1 T2 HI-LIMITS
T2 HI-LIMITS
C
C
X2 C/AUX
C/AUX
M
M
NO NO MOTOR MOTOR
3 ONLY
Ø
C
C
H1
TO HEATING H1
H2
TO HEATING
LOAD
H2
H3
LOAD
H3
REMOVE JUMPER FOR
REMOVE JUMPER FOR
OPTIONAL THERMOSTAT
OPTIONAL THERMOSTAT
HI-LIMITS
X1
120V HI-LIMITS C
T1 T2
C
T1 T2
X2
FD
FD
FD
1
M FD
4
3 1
M
5
4
ONLY
Ø
3 ONLY
Ø
LOOP
SIDE
LOOP
SIDE
3
Ø
Figure 9B - Large Cabinet XGB Wiring Schematic

4.0 TEMPERATURE CONTROL

8. Connect the ground wire to the ground connection
4.0 TEMPERATURE CONTROL
3.5.8 Connect the ground wire to the ground connection located in
located in the supply connection housing; once again,
the supply connection housing; once again, making sure that the 4.1 BUILT-IN THERMOSTAT (OPTIONAL)
making sure that the wire is sufficiently long to slide
4.1 BUILT-IN THERMOSTAT (OPTIONAL)
wire is sufficiently long to slide back into the housing with the trolley.
back into the housing with the trolley. See Figure 11,
See Figure 10.
page 9.
When specified, the unit comes equipped with a built
When specified, the unit comes equipped with a built-in thermosta
pre-wired to all other standard controls. Set the temp
pre-wired to all other standard controls. Set the temperature to th
desired operating condition.
desired operating condition.
TOP
4.2 REMOTE THERMOSTAT (OPTIONAL)
4.2 REMOTE THERMOSTAT (OPTIONAL)
Install the XT thermostat in accordance with the instruction shee
Install the XT thermostat in accordance with the ins
provided. Terminals "T1" and "T2" in the heater supply housing ar
provided. Terminals "T1" and "T2" in the heater suppl
provided for connection to the remote thermostat and are pre-wire
provided for connection to the remote thermostat and
to the rest of the control circuit. Remove the jumper wire betwee
to the rest of the control circuit. Remove the jumper
"T1" and "T2" and connect the thermostat to these terminals. (Refe
"T1" and "T2" and connect the thermostat to these term
to Figure 9). Set the temperature to the desired operating condition
to Figure 9). Set the temperature to the desired operat
5.0 "AUTO / OFF / FAN-ONLY" SWITCH (OPTIONAL)
5.0 "AUTO / OFF / FAN-ONLY" SWITCH (OPTIONAL
If ordered, a factory installed "auto / off / fan-only" switch may b
If ordered, a factory installed "auto / off / fan-only" s
included on the heater. The "fan-only" feature allows the heater t
included on the heater. The "fan-only" feature allows
cycle in a "heat" mode dictated by the controlling thermostat, eve
Figure 10 - Supply Connection
Figure 11 – Supply Connection
cycle in a "heat" mode dictated by the controlling the
though the fan is operating continuously.
though the fan is operating continuously.
9. Due to the presence of hazardous materials, ensure that
6.0 NORMAL SEQUENCE OF OPERATION
the terminal housing covers, plugs, etc., are secured (but
3.5.9 Due to the presence of hazardous materials, ensure that
not over-tightened) before powering the heater. 6.0 NORMAL SEQUENCE OF OPERATION
the terminal housing covers, plugs, etc., are secured (but not
6.1 The heater must be properly mounted and wired in accordanc
over-tightened) before powering the heater.
with the instructions contained in this manual. The fan blade must b
6.1 The heater must be properly mounted and wired i
free to rotate with no obstruction to air inlet or outlet areas.
with the instructions contained in this manual. The fan b
free to rotate with no obstruction to air inlet or outlet ar
6.2 Energize the heater at the rated supply voltage.
6.2 Energize the heater at the rated supply voltage.
6.3 Assuming that the thermostat calls for heat, i.e. the thermostat
set to a higher temperature that ambient:
6.3 Assuming that the thermostat calls for heat, i.e. the
set to a higher temperature that ambient:
a) The main contactor will energize the elements and the fan moto
b) After the inlet air temperature rises to the set point of th
a) The main contactor will energize the elements and t
thermostat, the thermostat contacts will open and the main contacto
b) After the inlet air temperature rises to the set
will de-energize the elements and the fan motor.
thermostat, the thermostat contacts will open and the m
will de-energize the elements and the fan motor.
Note: The large cabinet XGB incorporates a fan delay feature in bot
the "ON" and "OFF" cycles. This is a desirable feature as it allow
the heater to come to temperature before the fan operates (no col Note: The large cabinet XGB incorporates a fan delay f
blasts) and to cool down the "OFF" cycle (longer life for contro
the "ON" and "OFF" cycles. This is a desirable featur
components and motor). Delay "ON" is 15 - 40 seconds and dela
the heater to come to temperature before the fan ope
"OFF" is 60 -160 seconds.
blasts) and to cool down the "OFF" cycle (longer li
components and motor). Delay "ON" is 15 - 40 secon
6.4 The cycle described above will repeat when the ambien
"OFF" is 60 -160 seconds.
temperature falls below the thermostat set point.
6.4 The cycle described above will repeat when
temperature falls below the thermostat set point.
ONLY
LOOP
SIDE
with the
free to r
6.2 Ene
6.3 Ass
set to a
a) The m
b) After
thermos
will de-e
Note: T
the "ON
the hea
blasts)
compon
"OFF" i
6.4 Th
tempera
9