4
DIN rail
hooks
and
snaps
Tools Required
• tekmar
®
or jeweler flathead screwdriver
• Screwdriver for mounting hardware
• Needle-nose pliers
• Wire stripper
Materials Required
• 18 AWG, stranded solid cable (low-voltage connections)
• Four #6 or #8 screws
The following are included in the product packaging:
• BACnet Snow/Ice Sensor Interface 681
• tekmar flathead screwdriver
• 1 Installation and Operation Manual IOM-T-681
• 1 BAS Integration Manual IS-T-681
Physical Dimensions
Packaging Contents
Front View
Side View
1
9
⁄
32
"
(33 mm)
Mounting Base
6
11
⁄
32
"
(161 mm)
5
1
⁄
8
"
(130 mm)
1.46"
(37 mm)
Choose the placement of the 681 early in the construction process to enable proper wiring
during rough-in .
Installation Location
NOTICE
• Keep the 681 dry . Avoid potential leakage onto the 681 .
• Maintain relative humidity less than 90% in a non-condensing environment .
• Avoid exposure to extreme temperatures beyond -4 to 122°F (20-50°C) .
• Install away from equipment, appliances, or other sources of electrical interference .
• Install to allow easy access for wiring, viewing, and adjusting the display screen .
• Install approximately 5 feet (1 .5 m) off the finished floor .
Installation
