Installation Manual

APPENDIX E:
APPENDIX F:
10
2.5” in (6.3cm) maximum
thickness brick or concrete
paver
1.5” sand, stone
dust or mortar
Plastic tie wrap
4 in (10) or 6 in (15) square 10
gauge wire mesh
Level of
heating
cable
2” (5 cm)
3” (7.6 cm)
8”-12” crushed
rock aggregate
3” gap
End
Cold lead is in the conduit
Thermostat / Relay / or splice box
4” of cold lead shall be buried
directly in concrete
All Blue section of cable on mesh is buried in concrete
Factory splice buried in concrete
Right
hot/cold joints 6
in (15 cm) apart
and 6 in (15 cm)
from slab edge
Wrong
hot/cold joints
installed on
slab edge
Wrong
hot/cold joints
bunched
concrete wall
Junction box mounted on
inside wall
Cable identification tag
(within 3 in (7.5cm) of NPT
connector)
Cold lead
Conduit
Expansion joint
Heated Slab
Conduit
Hot/Cold
joint
Heating
cable
Cold leads protected with 1-1/2in (3.8cm)
minimum nonmetallic conduit
where they emerge from slab
Conduit for slab temperature sensor
Corner rounded off to
prevent cable damage
1.2 in (1.3 cm) wide steel
prepunched strapping
Wrong
cold joints
unche
Wrong
cold joints
stalle
slab
Cable must be at least 4 in
(10 cm) from rail post
Cable must be at least 4 in
(10 cm) from edge
2” to 3” (51mm to 76mm) of finished concrete
2” to 3” (51mm to 76mm) of concrete
8” to 12” (203mm to 305mm) of crushed rock aggregate base
Wire mesh with heating cable
4” thick sand over crushed rock aggregate
2” polystyrene insulation
Factory Splice
J
Conduit for heating cable cold lead protrudes into bottom of slab only
2.5” in (6.3cm) maximum
thickness brick or concrete
paver
1.5” sand, stone
dust or mortar
Plastic tie wrap
4 in (10) or 6 in (15) square 10
gauge wire mesh
Level of
heating
cable
2” (5 cm)
3” (7.6 cm)
8”-12” crushed
rock aggregate
3” gap
End
Cold lead is in the conduit
Thermostat / Relay / or splice box
4” of cold lead shall be buried
directly in concrete
All Blue section of cable on mesh is buried in concrete
Factory splice buried in concrete
Right
hot/cold joints 6
in (15 cm) apart
and 6 in (15 cm)
from slab edge
Wrong
hot/cold joints
installed on
slab edge
Wrong
hot/cold joints
bunched
concrete wall
Junction box mounted on
inside wall
Cable identification tag
(within 3 in (7.5cm) of NPT
connector)
Cold lead
Conduit
Expansion joint
Heated Slab
Conduit
Hot/Cold
joint
Heating
cable
Cold leads protected with 1-1/2in (3.8cm)
minimum nonmetallic conduit
where they emerge from slab
Conduit for slab temperature sensor
Corner rounded off to
prevent cable damage
1.2 in (1.3 cm) wide steel
prepunched strapping
Wrong
cold joints
unche
Wrong
cold joints
stalle
slab
Cable must be at least 4 in
(10 cm) from rail post
Cable must be at least 4 in
(10 cm) from edge
2” to 3” (51mm to 76mm) of finished concrete
2” to 3” (51mm to 76mm) of concrete
8” to 12” (203mm to 305mm) of crushed rock aggregate base
Wire mesh with heating cable
4” thick sand over crushed rock aggregate
2” polystyrene insulation
Factory Splice
J
Conduit for heating cable cold lead protrudes into bottom of slab only