Thermostat And Other Controls - Re-Verber-Ray MP-25-80N Insert Manual

MP Series
Electric Shock
Field wiring to the tube heater must be connected and grounded in accordance with national,
state, provincial, local codes and to the guidelines in the Tube Heater General Manual and
Series Insert Manual. In the United States refer to the most current revisions to the ANSI/NFPA
70 Standard and in Canada refer to the most current revisions to the CSA C22.1 Part I Standard.

Thermostat and Other Controls

The MP Series heater is designed to operate on various control configurations. The available control
options are:
A. Premium User Interface.
B. Potentiometer with On/Off switch.
C. Single-Stage Thermostat with optional room temperature sensor.
"A" Premium User Interface
The Premium User Interface (TH-PUI) is a smart logic controller that offers the optimal
performance out of your MP Series heater. It modulates the heater(s) with a full PID Controller
considering various inputs and outputs. It utilizes the current set temperature, the room
temperature (based on an on-board thermistor or an externally connected zone sensor), mode
selected, and other items to set the speed of modulation. Therefore, the heater output immediately
responds to a change in air temperature. For installation of this device, see Figure 2.2 on Page 10.
"B" Potentiometer
A linear 10k Ohm potentiometer can be used as a control device for the MP Series. This allows
the user to manually control the heaters firing rate based on the dial position. The heater will
modulate in increments of 1%, and vary from minimum firing rate to the full firing rate. An On/Off
switch or timer is necessary to allow for the heater to shut off. For installation with this device,
see Figure 2.3 on Page 11.
"C" Single-Stage Thermostat
A single stage heating thermostat can be used as a control device for the MP Series. This allows
the user to utilize a desired field supplied thermostat that best suits their individual needs. The
heat control is designed for use with a 2-wire heating system, (R & W) and is low voltage. The
heater cannot power the thermostat. The thermostat selected must not have a heat anticipator. For
installation with this device, see Figure 2.4 on Page 12.
When using a single stage thermostat, the use of a zone sensor is highly recommended. The unit will operate
without this accessory, but will then only modulate based on a predetermined algorithm that considers cycle
timing and history. Therefore the heater will not respond to rapid changes in air temperatures.
2.0
WARNING
!
NOTICE
7
Installation • Thermostat and Other Controls