Van Air Systems 46-2529 2-02 User Manual

INSTALLATION, OPERATION, & MAINTENANCE MANUAL

FOR

DEW POINT METER

P/N 46-2529

WARNING

BEFORE STARTING INSTALLATION AND/OR MAINTENANCE PROCEDURES, TURN OFF POWER AND DEPRESSURIZE
UNIT BEFORE SERVICING TO PREVENT SERIOUS INJURY. SERIOUS PERSONAL INJURY MAY RESULT IF THESE SAFETY
RULES ARE NOT FOLLOWED.

DO NOT REMOVE, REPAIR, OR REPLACE ANY ITEM ON THIS UNIT WHILE IT IS ENERGIZED OR UNDER PRESSURE. TURN
OFF MAIN POWER TO THE UNIT AND DEPRESSURIZE THE SAMPLE CELL BY CLOSING THE ISOLATION VALVE
COMPLETELY BEFORE STARTING ANY INSTALLATION OR MAINTENANCE PROCEDURES.

WHEN MAKING ANY ELECTRICAL CONNECTIONS TO THE METER, COMPLY WITH ALL LOCAL, STATE, AND FEDERAL
CODES I.E. THE NATIONAL ELECTRICAL CODE. ALWAYS USE COMPONENTS AND WIRING RATED FOR THIS
INSTALLATION.

INTRODUCTION SECTION 1

1.1 SPECIFICA TIONS

Dew Point Range ........ -40oF to +15oF (-40oC to -9oC)

Accuracy..................... +2oF

1.2 DIMENSIONS

Alarm Set Point........... -10oF (-23oC) (Adjustable)

Remote Alarm Output

Normally open and closed contacts
5A @ 115V rated

Recorder Output ......... 4-20 mA or 0-5V (jumper selectable)

Power Requirement.....115VAC (+10%) 50/60Hz

Power Consumption ... 4 Watts

Enclosure .................... Nema 4, Fiberglass w/window

INSTALLATION SECTION 2

2.1 INST ALLA TION

The meter can be mounted on any flat vertical surface. The
enclosure has threaded inserts on the back for mounting.

Once the unit has been mounted, the sample line can be connected
to the sample cell isolation needle valve. The sample line should be
1/4" copper tubing. The pressure of the sample line should not
exceed 150 PSIG.

NOTE:

See Model 6392N and 6392N2 instructions for operation,
maintenance, printed circuit board details, and calibration of
equipment.

The unit will require 115 volts for operation. Run the necessary
conduit and wiring to the enclosure.

If the alarm relays and the recorder output are to be used, they will
require several procedures for installation. Otherwise, no additional
installation steps are required to use the meter.

WIRING DIAGRAM SECTION 3

REPLACEMENT PARTS SECTION 4

ITEM

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16

QTY

1
2
4
1
1
1
2

.5'

2
2
1
1
1
1
1
1

DESCRIPTION

Enclosure
Panel
Terminal, Grey
Terminal, Blue
Terminal, Ground
End piece
End clamp
Channel
Screw, 8-32UNF x 1/2"lg
Lockwasher, #8 nom
Meter, (humistat)
Sensor
Sensor mount
Meter bezel
Cable
O-Ring

PART NO.

27-1114

27-1082

26-0380
26-1391
26-1392
26-2053
26-0388
26-0389
28-0204
28-0314
26-5977
26-5978
26-0816
26-5979
46-2185
18-0249

ITEM

17
18
19
20
21
22
23
24
33
34
35
36
37
38
39
40

QTY

1
2
1
1
1
1
1
1
4
4
2
6
6
4
2
2

DESCRIPTION

Tee 1" NPT
Bushing 1" x 1/4" NPT
Choke fitting
Short coupling 10-32
Reducing fitting 1/4" x 10-32
Needle valve
Fitting nut & sleeve assy
Sintered filter
Standoff
Screw, 10-32UNF x 1/2"lg
Nut, 10-32UNF
Washer flat, #10 nom
Lockwasher, #10UNF nom
Screw, 6-32UNF x 1/4"lg
Standoff
Lockwasher, #6 nom

PART NO.

14-1807
14-1808
26-0490
26-0657
26-0296
14-1306
26-3043
26-0623
26-6805
28-0203
28-1062
28-0323
28-0312
28-1321
26-6006
28-0324

HYGRODYNAMICS

DIGITAL DEW POINT MONITOR

PC BOARD

MODEL 6392N & 6392N2

TABLE OF CONTENTS

INTRODUCTION 2
SPECIFICATIONS 2
INSTALLATION 2

WIRING SUMMARY 3
OPERATION & MAINTENANCE 4
CIRCUIT CALIBRATION 4
ALARM SETPOINT ADJUSTMENT 4

REMOTE ALARM CONNECTION 5
AUXILIARY ALARM INDICATION 5
AUXILIARY NON-ALARM INDICATION 5
RECORDER OUTPUT 5

AUXILIARY PUMP POWER 5
°F TO °C DISPLAY CHANGE 5
115 TO 230V CHANGE 5

WARRANTY 6

DIAGRAMS

MOUNTING & WIRING DIAGRAM DWG. # 6392NWD

NEWPORT SCIENTIFIC, INC.

8246-E SANDY COURT

JESSUP, MARYLAND 20794-9632

PHONE: [phone] FAX [phone]

E-MAIL: [e-mail]

WEBSITE: WWW.NEWPORT-SCIENTIFIC.COM

ADMIN/MANUAL/6392N-N2 JANUARY 2002