Orion-system MODGAS-X Bedienungsanleitung PDF herunterladen (Seite 11)

MODGAS-X Field Technical Guide

WIRING

Two Modulating Staged Valves - Stand-Alone Wiring

MODGAS-X CONTROLLER

(OE377-26-00058)

Low Speed Fan

See For

Settings.

Only One Supply Air Temperature Sensor

Can Be Used Per Application.

Table 8, Page 24

SAT OPTIONS Jumper

24 VAC Power

Input Terminals

Max. Power

Consumption

1 Gas Valve

= 18 VA

2 Gas Valves

= 33 VA

Stage 2 Heat (Mod)

Fan Enable and

Stage 1 Heat (Mod)

Connect SAT and

Input to

Board’s

Input If

Applicable.

See

GND

Reheat

SAT

Table 7,

Page 24

Figure 8: Two Modulating Staged Valves Stand-Alone Wiring Diagram

Two Modulating Staged Valves Wiring

In this conﬁ guration, the ﬁ rst Modulating Valve is enabled by the

FAN RLY. The second Modulating Valve is enabled by the AUX1

relay.

This conﬁ guration operates as Stand-Alone (Figure 8, below) or

communicating with an AAON Unit Controller (Figure 9, page 12).

If using a MHGRV-X Controller along with the MODGAS-X

Controller in Stand-Alone, the SAT Sensor always connects to the

MODGAS-X Controller.

This conﬁ guration

can use either the MAXITROL

0-20 volt valve(s)

or the MAXITROL

EXA STAR 0-10 volt stepper valve(s)—conﬁ g-

ured at the factory. See Appendix C, page 26 for depiction.

WARNING: Do Not Connect Power To VOUT/Ground

Terminal Block!

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 27 28

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