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This section provides the installation instructions for the MSI OTM.
The installation process consists of the following basic steps:
1. Selecting appropriate locations and mounting the device(s).
2. Connecting power and communications wiring.
3. Performing an initial startup and configuration of the system.
Required Materials (Not Supplied)
The following materials/tools are required for installation, but are not supplied:
• General tool kit (screwdrivers, wrenches, wire strippers, power drill, etc.)
• 1/4" copper compression tee
• 1/4" copper tubing (soft)
• 18 AWG multi‐conductor, shielded twisted‐pair cable (Belden p/n 8760 or equivalent #18/2 cable) – used for the 24Vac OTM to
MSI Hub connection
Mounting the MSI OTM
1. Select an appropriate location to mount the Oil Tank Monitor. The location must meet the following minimum requirements:
• The location should be between the oil tank being monitored and the control, and must be within 500 feet (152.4 meters) of
the MSI Hub.
• The mounting surface should be flat and strong enough to hold the weight of the device.
• DO NOT mount the device in a location where it will be exposed to extreme heat, cold, humidity, or moisture.
2. Remove the Enclosure Wiring Cover (1) by removing the two lower screws (2) holding it to the base (3), and then remove the
Enclosure Display Module (4) by removing the two middle screws (5) holding it to the base.
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Heat‐Timer Corp.
Installation Instructions
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Installation Instructions 5
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059411-00 Rev. A
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