Orion-system MHGRV-X Manual de usuario descargar pdf (Pagina 3)

MHGRV-X Field Technical Guide

OVERVIEW

Overview

The OE377-26-00059 MHGRV-X Controller (AAON Part

No. V12100) is designed to control a Modulating Hot Gas Re-

heat Valve to maintain a desired Supply Air Temperature set-

point. The controller can be used as a stand-alone controller

or can be used in conjunction with any AAON unit controller.

In addition, up to (7) Reheat Expansion Modules can be connected to

the Controller and to each other for additional Reheat Valve Control.

The MHGRV-X controller connects to an AAON unit controller or

expansion module via a modular cable. Depending on the type of

unit controller, this connection will utilize an I

C connection or an

E-BUS connection.

When using the MHGRV-X Controller to replace an existing

MHGRV II Controller, see Appendix B, page 19 for details.

See Figure 1 for dimensions (in inches).

MHGRV-X Controller General Information

Figure 1: OE377-26-00059 MHGRV-X Controller Dimensions

Features

The MHGRV-X provides the following:

 Can be operated as a stand-alone controller or

communicating with AAON unit controllers.

 Provides for Supply Air Temperature Setpoint

reset when required

 Second stage reheat capability when using

2 Hot Gas Reheat Valves

 Control of reheat solenoid valve to provide coil

ﬂ ushing for positive refrigerant oil return

 Can provide further Reheat control using up to (7)

Reheat Expansion Modules

 Contains a 2 x 8 LCD character display and 4 buttons

that allow for status display, setpoint changes, and

conﬁ guration changes

5.73

2.62

2.04

4.09

0.57

0.21

5.04

5.63

5.24

Note: iDepth s 1.49 inches.

1 2 3 4 5 6 7 8 ... 25 26

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Orion-system MHGRV-X Manual de usuario Pagina 3

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