Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 April 2014 (RVE, ERCH-01, ERT-01) User Manual
Reference guide for the microprocessor controller

Program Features
The microprocessor controller offers improved control
through easy monitoring and adjustment of unit
parameters by way of a lighted graphical display and a
push-button keypad.
Pre-Programmed Operating Sequences
The controller has been pre-programmed to offer
multiple control sequences to provide tempered
air. Factory default settings allow for easy setup
and commissioning. The sequence parameters are
fully adjustable. Refer to the Sequence of Operation
beginning on page 2 for details.
BMS Communication
With the addition of an optional BMS Communication
card, the user can remotely adjust set points, view
unit status points and alarms. The microprocessor
controller is capable of communicating over several
protocols:
• BACnet® MSTP
• LonWork®
• BACnet® IP/Ethernet
• Modbus
See Points List on pages 36 and 37 for a complete list
of BMS points.
Internal Time Clock
The controller has an internal programmable time
clock, allowing the user to add up to seven different
occupancy schedules. The user may also add Holidays
for additional energy savings. The time clock option
Introduction
TAP v2.10
Version Date: 4/1/14
WARNING
Electrical shock hazard. Can cause personal injury
or equipment damage. Service must be performed
only by personnel that are knowledgeable in the
operation of the equipment being controlled.
also has morning warm-up capability for optional
comfort at the time of occupancy.
Alarm Management
The microprocessor controller will monitor the unit
conditions for alarm conditions. Upon detecting an
alarm, the controller will record the alarm description,
time, date, available temperatures, and unit status for
user review. A digital output is reserved for remote
alarm indication. Alarms are also communicated via
BMS (if equipped).
Occupancy Modes
The microprocessor controller offers three modes of
determining occupancy: a dry contact, the internal time
clock or the BMS. If in the Unoccupied mode the unit
will either be shut down, or will cycle on to maintain
adjustable unoccupied room temperature and humidity
set points.
Remote Display Panel (Optional)
A touchpad display panel allows for remote monitoring
and adjustment of parameters, allowing ease of control
access without going outdoors.
1
DDC Controller for Tempered Air Products
Reference Guide for the Microprocessor Controller
Please read and save these instructions. Read carefully before attempting to operate or maintain the product
described. Protect yourself and others by observing all safety practices. Failure to comply with instructions
could result in personal injury and/or property damage! Retain instructions for future reference.
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Document 475595
Microprocessor Controller for
Tempered Air Products