Armstrong EHU-700 Series Guía para resolver problemas descargar pdf (Pagina 10)

10

Step 9E (EM): Make Electrical

Connections

as recommended by the

manufacturers of the operators and controls.

Also, use Figures 10-1 through 10-3 as a guide.

Be sure wiring is adequate for the requirements

of the system. Check voltage ratings on

operator nameplate.

“EM” Series electric motor operated humidifiers

are furnished with a choice of Honeywell

M9182A operators (24 watts at 24v, 60 Hz

suitable for 120v or 240v with transformer),

Belimo AF24SR or NVF24 electric

motorized operators. These operators

may be controlled by compatible humidity

controllers or electronic humidity panels.

For all EM operators mount operator so

that the motor shaft is parallel to the

floor (or horizontal).

Step 10E: Install and Wire

Humidity Controller as specified by the

design engineer and in accordance with

manufacturer's instructions. If location is

not specified, the controller may be

installed in area controlled or in either the

return air or exhaust air ducts.

Figure 10-1

H915 (Series 90

)

Humidity Controller

If High Limit Not Used,

Wire (R) Directly to (R)

HC-201 High Limit

Duct Humidity Controller

(When Used)

M9182A (Series 90)

Motorized Operator

Transformer

Fan Interlock

Figure 10-2

Dip Settings Shown Are For

One (1) M9182A Motor With

4-20 mA Control Signal

Input Impedance On Resistor

Board is 66 OHMS

Primary Voltage

120, 208, 240, 480 VAC

Optional Fan

Interlock or

Pressure Switch 

(Open on Fault)

AMW#A9023

4-20 mA Humidistat

or Controller

Neg. (-) (+) Pos.

Optional

High Limit

Humidistat

(Open on %RH

Rise) AMW#A8581

Optional

Temperature

Switch (Open on Fault)

AMW#B1564

Figure 10-3

Belimo AF24-SR

or NVF24-MFT-E

Line Voltage

24 VAC

Transformer

B1564 Electric

Temperature

Switch (Optional)

A

8581

High Limi

t

Humidista

t

(Optional)

A9023

Pressure

Switch

(Optional)

Armstrong

0-10 VDC Stat

A18609 or A18610

1 2 ... 5 6 7 8 9 10 11 12

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