Orion-system MODGAS-X Manual de usuario descargar pdf (Pagina 9)

MODGAS-X Field Technical Guide

WIRING

Two Modulating Valves & Up To 13 Stages Fixed Heat Stand-Alone

Figure 6: Two Modulating Valves - Stand-Alone

MODGAS-X CONTROLLER

(OE377-26-00058)

See

For Settings.

Only One Supply Air Temperature Sensor

Can Be Used Per Application.

Table 8, Page 24

SAT OPTIONS Jumper

EBC-E-BUS Cable

Connects To

12 Relay E-BUS

Expansion

Port

Fan Enable And

Stage 1 Heat (Mod)

Low Speed Fan

Stage 2 Heat (Mod)

Stage 3 Heat (Fixed)

Connect SAT and

Input to

Board’s

Input If

Applicable.

See

GND

Reheat

SAT

Table 7,

Page 24

24 VAC Power

Input Terminals

Max. Power

Consumption

1 Gas Valve

= 18 VA

2 Gas Valves

= 33 VA

Two Modulating Valves With Up To 13

Additional Stages Of Fixed Heat

Stand-Alone Wiring

This conﬁ guration only applies to a Stand-Alone operation (Figure

6, below) and is factory-conﬁ gured.

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. The ﬁ xed stage uses the AUX2 relay to enable it (Figure 6,

below). Additional ﬁ xed stages can be added by using the 12-Relay

E-BUS Expansion Module. (Figure 7, page 10).

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 configuration

can use either the MAXITROL

0-20 volt

valve(s) or the MAXITROL

EXA STAR 0-10 volt stepper valve(s)

(conﬁ gured at the factory). See Appendix C, page 26 for depiction.

WARNING: Do Not Connect Power To VOUT/Ground

Terminal Block!

Revised 9/30/14

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 27 28

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Orion-system MODGAS-X Manual de usuario Pagina 9

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