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CORTO-C INSTALLATION GUIDE | PAGE

OF 6

CORTO-C

650, 850

INSTALLATION INSTRUCTIONS

PRE WIRING – CONTINUED

•   For masonry walls using an angle grinder and masonry cutting disc, cut a 25mm deep slot from the cable leg to the eventual location 

of the transformer, see Fig 2.0.

•   Place the supplied low voltage wiring in the slot created and render over directly.

•   Black polytube is supplied to locate the wire in the correct position. Conduit may also be used but is not essential.

•   Low voltage wiring tails should protrude from the finished lined wall approx 150mm to allow for trimming.

3. TOWEL RAIL ASSEMBLY

•  Fix the legs to the towel rail using the stainless steel machine screws and spring washers supplied. See Fig 3.0

•  The small grub screw holes must face, what will be, the BOTTOM of the towel rail.

4. TOWEL RAIL FIXING / CONNECTION

•  If a wirenut is accidentally removed, it may be reconnected with the spare waterproof wirenut connector provided. Waterproof wirenuts 

MUST NOT BE REUSED. 

•  Fix the round polycarbonate bushes to the wall using the screws provided. DO NOT substitute other screws. In particular, DO NOT 

use countersunk head screws less than 50mm long.

•  Use the towel rail as a guide to determine the correct position for the bushes. MAKE SURE IT IS LEVEL.

•  Make the electrical connection to the towel rail using the waterproof wirenut connectors provided. See Fig 7.0

•  The connectors and excess wiring should be pushed back into the leg of the towel rail and/or into the wall.

•  If there is a concern that water may enter into the wall cavity, neutral cure silicone sealant may be applied around the cable where it 

exits the wall lining.

•  Finally, fix the towel rail in position using the self tapping grub screws provided. See Fig 5.0

5. TIMER AND SWITCH

•   The towel rail must have a switch in the bathroom that can be identified as the towel rail switch. This is typically a separate switch 

mechanism on the light switch plate for the bathroom. eg. 3 gang switch plate – lights – extractor – towel rail.

•  

The supplied ‘ECOTIMER’ is a 230 – 240V device that should be installed behind the switchplate between the switch and the transformer. 

See Fig 6.0.

FIGURE 4

FIGURE 5

FIGURE 6

ELECTRICIANS

 please ensure a copy of the installation 

instructions is left with the end user for future reference.

DCS

CORTO 350, 550, 750

Electricians, please ensure a copy of the installation 
instructions is left with the end user for future reference

2. PRe WiRing - COnTinUed

.

•  For masonry walls using an angle grinder and masonry cutting disc, 

cut a 25mm deep slot from the cable leg to the eventual location of the 
transformer, see Fig 2.0

•  Place the supplied low voltage wiring in the slot created and render over 

directly.

•  Black poly tube is supplied to locate the wire in the correct position. Conduit 

may also be used but is not essential.

•  Low voltage wiring tails should protrude from the finished lined wall approx 

150mm to allow for trimming. 

3. TOWel Rail assemBlY

•  Fix the legs to the towel rail using the stainless steel machine screws and 

spring washer supplied. See Fig 3.0

•  The small grub screw holes must face, what will be, the BOTTOM of the 

towel rail.

3. TOWel Rail COnneCTiOn

•  Fix the polycarbonate rectangular bushes to the wall using the screws 

provided. DO NOT substitute other screws. In particular, DO NOT use 
countersunk head screws less than 50mm long. See Fig 4.0

•  Use the towel rail as a guide to determine the correct position for the bushes 

or use the fixing dimensions Table 1.0. MAKE SURE IT IS LEVEL.

•  Make the electrical connection to the towel rail using the waterproof wirenut 

connectors provided. See Fig 7.0 
Waterproof wirenuts MUST NOT BE REUSED. A spare is included.

•  The connectors and excess wiring should be pushed back into the leg of 

the towel rail.

•  If there is a concern that water may enter into the wall cavity, neutral cure 

silicone sealant may be applied around the cable where it exits the wall 
lining.

•  Finally, fix the towel rail in position using the small stainless steel screws 

provided. See Fig 5.0

•  Note: Drilling a 2mm pilot hole makes it much easier to screw in the 

self tapping screws. The bushes are moulded from glass reinforced 
polycarbonate and are very hard.

5. TimeR and sWiTCH

•  The towel rail must have a switch in the bathroom that can be identified 

as the towel rail switch. This is typically a separate switch mechanism on 
the light switch plate for the bathroom. eg. 3 gang switch plate - lights - 
extractor - towel rail

•  The supplied ‘ECOTIMER’ is a 230 - 240V device that should be installed 

behind the switchplate between the switch and the transformer. See Fig 6.0

Towel Rail

Wall Switch

Transformer

N

L

Mains

12 Volt

Ecotimer

Red

Blue

Brown

Towel Rail

Towel Rail

Fig 4.0

Fig 5.0

Fig 6.0

Screw fixing approx 14mm 

from cable hole centre

10mm 
hole

page 3 of 5

DCS

CORTO 350, 550, 750

Electricians, please ensure a copy of the installation 
instructions is left with the end user for future reference

2. PRe WiRing - COnTinUed

.

•  For masonry walls using an angle grinder and masonry cutting disc, 

cut a 25mm deep slot from the cable leg to the eventual location of the 
transformer, see Fig 2.0

•  Place the supplied low voltage wiring in the slot created and render over 

directly.

•  Black poly tube is supplied to locate the wire in the correct position. Conduit 

may also be used but is not essential.

•  Low voltage wiring tails should protrude from the finished lined wall approx 

150mm to allow for trimming. 

3. TOWel Rail assemBlY

•  Fix the legs to the towel rail using the stainless steel machine screws and 

spring washer supplied. See Fig 3.0

•  The small grub screw holes must face, what will be, the BOTTOM of the 

towel rail.

3. TOWel Rail COnneCTiOn

•  Fix the polycarbonate rectangular bushes to the wall using the screws 

provided. DO NOT substitute other screws. In particular, DO NOT use 
countersunk head screws less than 50mm long. See Fig 4.0

•  Use the towel rail as a guide to determine the correct position for the bushes 

or use the fixing dimensions Table 1.0. MAKE SURE IT IS LEVEL.

•  Make the electrical connection to the towel rail using the waterproof wirenut 

connectors provided. See Fig 7.0 
Waterproof wirenuts MUST NOT BE REUSED. A spare is included.

•  The connectors and excess wiring should be pushed back into the leg of 

the towel rail.

•  If there is a concern that water may enter into the wall cavity, neutral cure 

silicone sealant may be applied around the cable where it exits the wall 
lining.

•  Finally, fix the towel rail in position using the small stainless steel screws 

provided. See Fig 5.0

•  Note: Drilling a 2mm pilot hole makes it much easier to screw in the 

self tapping screws. The bushes are moulded from glass reinforced 
polycarbonate and are very hard.

5. TimeR and sWiTCH

•  The towel rail must have a switch in the bathroom that can be identified 

as the towel rail switch. This is typically a separate switch mechanism on 
the light switch plate for the bathroom. eg. 3 gang switch plate - lights - 
extractor - towel rail

•  The supplied ‘ECOTIMER’ is a 230 - 240V device that should be installed 

behind the switchplate between the switch and the transformer. See Fig 6.0

Towel Rail

Wall Switch

Transformer

N

L

Mains

12 Volt

Ecotimer

Red

Blue

Brown

Towel Rail

Towel Rail

Fig 4.0

Fig 5.0

Fig 6.0

Screw fixing approx 14mm 

from cable hole centre

10mm 
hole

page 3 of 5

DCS

CORTO 350, 550, 750

Electricians, please ensure a copy of the installation 
instructions is left with the end user for future reference

2. PRe WiRing - COnTinUed

.

•  For masonry walls using an angle grinder and masonry cutting disc, 

cut a 25mm deep slot from the cable leg to the eventual location of the 
transformer, see Fig 2.0

•  Place the supplied low voltage wiring in the slot created and render over 

directly.

•  Black poly tube is supplied to locate the wire in the correct position. Conduit 

may also be used but is not essential.

•  Low voltage wiring tails should protrude from the finished lined wall approx 

150mm to allow for trimming. 

3. TOWel Rail assemBlY

•  Fix the legs to the towel rail using the stainless steel machine screws and 

spring washer supplied. See Fig 3.0

•  The small grub screw holes must face, what will be, the BOTTOM of the 

towel rail.

3. TOWel Rail COnneCTiOn

•  Fix the polycarbonate rectangular bushes to the wall using the screws 

provided. DO NOT substitute other screws. In particular, DO NOT use 
countersunk head screws less than 50mm long. See Fig 4.0

•  Use the towel rail as a guide to determine the correct position for the bushes 

or use the fixing dimensions Table 1.0. MAKE SURE IT IS LEVEL.

•  Make the electrical connection to the towel rail using the waterproof wirenut 

connectors provided. See Fig 7.0 
Waterproof wirenuts MUST NOT BE REUSED. A spare is included.

•  The connectors and excess wiring should be pushed back into the leg of 

the towel rail.

•  If there is a concern that water may enter into the wall cavity, neutral cure 

silicone sealant may be applied around the cable where it exits the wall 
lining.

•  Finally, fix the towel rail in position using the small stainless steel screws 

provided. See Fig 5.0

•  Note: Drilling a 2mm pilot hole makes it much easier to screw in the 

self tapping screws. The bushes are moulded from glass reinforced 
polycarbonate and are very hard.

5. TimeR and sWiTCH

•  The towel rail must have a switch in the bathroom that can be identified 

as the towel rail switch. This is typically a separate switch mechanism on 
the light switch plate for the bathroom. eg. 3 gang switch plate - lights - 
extractor - towel rail

•  The supplied ‘ECOTIMER’ is a 230 - 240V device that should be installed 

behind the switchplate between the switch and the transformer. See Fig 6.0

Towel Rail

Wall Switch

Transformer

N

L

Mains

12 Volt

Ecotimer

Red

Blue

Brown

Towel Rail

Towel Rail

Fig 4.0

Fig 5.0

Fig 6.0

Screw fixing approx 14mm 

from cable hole centre

10mm 
hole

page 3 of 5

Summary of Contents for Corto-C 650

Page 1: ...Stainless steel 304 grade Voltage 12V AC safety isolating transformer FInish Chrome Satin Matte Black Matte White Wattage 650 40W 850 60W Technology Dry element no leaks Standards AS NZS 60335 2 43 Element Replaceable Safety rating IPX7 immersion at 1 metre for 30mins Options Heated or non heated DISCLAIMER Products in this specification manual must by regulation be installed by licensed and regis...

Page 2: ...e transformer and farthest from wet areas eg top left leg if the transformer is in the ceiling and shower is to the right For stud walls drill a 10mm hole in the noggin for the low voltage wiring supplied at the leg position chosen Typical layout see Table 1 0 for fixing dimensions hildren with perience and ction concerning Children should ce this appliance 0 mm above the cated in a metres wiring ...

Page 3: ...ect position for the bushes g dimensions Table 1 0 MAKE SURE IT IS LEVEL rical connection to the towel rail using the waterproof wirenut ovided See Fig 7 0 enuts MUST NOT BE REUSED A spare is included s and excess wiring should be pushed back into the leg of ncern that water may enter into the wall cavity neutral cure t may be applied around the cable where it exits the wall owel rail in position ...

Page 4: ...Conditions on the last page TRANSFORMER KIT TO BE ORDERED SEPARATELY 1 x Ecotimer 2 x 3m lengths 1mm 2 appliance wire 90 deg C 1 x Electronic transformer CORRECT USE OF WATERPROOF WIRENUTS Strip wires 12 7mm 1 2 Align any frayed strands or conductors Pre twisting unnecessary Place stripped wires together with ends of insulation even Twist connector onto wires pushing firmly until hand tight Do not...

Page 5: ...ntains no moving parts or electrical contacts this ensures a long life A quick test to determine if the rail is functioning correctly follows 1 Turn the towel rail on and leave for one hour with no towels 2 After one hour each bar of the towel rail should be a similar temperature but no more than warm 3 Cover each bar of the towel rail with a DRY FOLDED towel three towels a double layer of towelli...

Page 6: ...aser or any person other than a qualified tradesman Normal wear and tear Inadequate or complete lack of maintenance Chemical electrochemical or electrical influences Harsh detergents or abrasive cleaners used on product finishes 1 YEAR WARRANTY COMMERCIAL USE Commercial use is all use other than for normal domestic residential purposes including use in non business places as in public buildings sc...

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