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instAlling the thermostAt
1. Verify that the thermostat is suitable for the area where it is to
be installed.
2. Check the line voltage and the
heat-tracing load to ensure that
the thermostat ratings are not
exceeded.
3. Mount the unit in a position that
prevents condensation from
draining into the enclosure from
the connecting conduit (see diagram above).
Wiring
Power Supply
GFEPD
Ø
Ø
208-V or 240-V supply - 240 -V heating cable
or
G
120-V supply – 120-V heating cable
N
Ø
277-V supply – 240-V heating cable
Power
G
connection
Braid
Heating
Cable
Figure 1. Heat-tracing control
NORTH AMERICA
Tel: +1.800.545.6258
Fax: +1.800.527.5703
Tel: +1.650.216.1526
Fax: +1.650.474.7711
thermal.info@pentair.com
Pentair and AMC are owned by Pentair or its global affiliates. All other trademarks are the property of their respective owners. Pentair reserves the right
to change specifications without prior notice.
© 2001-2015 Pentair.
IndustrIal Heat tracIng solutIons
Conduit
drain
Control
thermostat
EuROPE, MIddLE EAsT, AfRICA
Tel: +32.16.213.511
Fax: +32.16.213.603
thermal.info@pentair.com
EN-RaychemAMC1A-IM-H56908 9/15
positioning
4. Mount ambient-sensing units in the area exposed to the
coldest temperature and the most wind. Do not mount on the
side of a warm building or in a location that is exposed to warm
air currents or direct sun light.
setting AnD ADjusting
5. Set the thermostat dial to the desired temperature and finish
wiring.
Power Supply
GFEPD
G
N
N
N
Ø
Ø
Ø
A
B
C
A
B
C
Braid
Heating
Cable A
Heating
Cable B
Heating
Cable C
Figure 2. Controlling a contactor
For switching heat-tracing loads greater than 22 A
or switching multiple heat-tracing circuits.
AsIA PACIfIC
Tel: +86.21.2412.1688
Fax: +86.21.5426.2937
cn.thermal.info@pentair.com
120-V supply – 120-V heating cable or
277-V supply – 240-V heating cable
NC
NO
C
Control
thermostat
C
120-V or
277-V
coil
NC
NO
C
WWW.PENTAIRTHERMAL.COM
LATIN AMERICA
Tel: +1.713.868.4800
Fax: +1.713.868.2333
thermal.info@pentair.com
PN 689375
2 / 2
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