1 Overview
The Cypress Envirosystems Wireless Pneumatic Thermostat (WPT) retrofits an
existing pneumatic thermostat to provide Direct Digital Control (DDC) like zone control
functionality at a fraction of the time and cost without disturbing occupants.
The WPT enables remote monitoring of zone temperature, branch pressure, remote
control of setpoints, and programmable setback or setup of the pneumatic HVAC
systems. It also enables integration with utility Demand Response programs.
The WPT can be integrated with an existing Building Management System via
BACnet/IP. As a result, the WPT helps a building owner and tenants save energy by
implementing indoor temperature policies, improve comfort, and reduce the
maintenance cost of the legacy pneumatic HVAC systems.
1.1 Components
The WPT Series kit includes the following components:
• WPT
• Universal Wall Bracket
• Mounting screws, #6 x 1” self-tapping (x2)
• Wall Anchors
• Tadiran TL-5920 lithium battery
1.2 Prerequisites for Installation
The WPT relies on a wireless network for communication. Before installing the WPT,
the wireless network must be set up. The following tasks must be completed before
proceeding to WPT installation:
• Installation of WPT Green Box Server and Blue Box Gateway
• Assignment of a unique node ID for each WPT (to be programmed during
installation)
• LoRa gateway must be configured with for each WPT. (Please refer to the LoRa
WPT Gateway and Server Installation Manual, Document number 910-00031-
01).
1.3 Tools Required for Installation
• # 1 Philips-head screwdriver
• 1/16” hex Allen wrench
• 3/16” Drill (for setting Wall Anchor, if required)
2 WPT Installation
The overall WPT installation procedure includes:
• Mounting the WPT on the wall
• Configuring the WPT
• Calibrating the WPT
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