Pre-Installation Checks; Heating Cable Installation And Attachments Methods; Roofs With Overhang - Pentair Raychem GM-2CW Installation Manual

2. Pre- installation checks
• Correct Constant wattage Heating cable and size?
— GM-2CW for 230 VAC
— GM-4CW for 400 VAC
— Overview of sizes
• Controller (EMDR-10) – to be ordered separately
• Roof and gutter accessories – to be ordered separately
— GM-RAKE
— ICE-STOP-GMK-RC
— GM-SEAL-02
— GM-CLIP-S, GM-CLIP-M, GM-CLIP-L
— GM-HANGER
— KBL-10 cable ties (UV resistant)
• Material physical damaged check
• Review the Design
— Plan of location of all junction boxes and supply points
— Review the attachment methodes
imPoRTaNT!
The gm-2(4)CW is a constant wattage heating cable. Please do not overlap and shorten
or cut the heating cable! The cable must be connected by an authorised electrician.
3. heating cable installation and attachment methods
a. Sloped roof with overhang
• Heating cable should be in contact with snow or ice
• Layout in zig-zag pattern
• Fasten the clips to the roof with GM-SEAL-02 before installing heating cable in
the brackets
8
77
Roof
30 cm
Area where ice dams are
Heated
area
Exterior wall
most likely to form
Heating cable
Gutter
Eave overhang