Dwyer RSM User Manual download pdf

Bulletin P-3-RSM

The Series RSM Room Status Monitor is designed for critical low

differential pressure applications that require stringent pressure

monitoring and alarming. The Series RSM can be configured to monitor

positive or negative pressure in protected environments and hospital

isolation rooms per CDC guidelines. The RSM is a complete system that

includes a backlit RGB LCD display with a graphic user interface which

enables access to pressure, security, calibration, and alarm setup. The

touch-screen displays menus that guide the user through setup, as well

as setting up password protection. Red and green LED's and a local

audible alarm (with time delay feature) alert personnel to system status.

The RSM has a NEMA 1 (IP20) rated fire retardant plastic for indoor

applications. True differential pressure is displayed with a resolution of

0.001 in w.c. The very low pressure capacitance is dead ended and

avoids the potential for cross contamination of the room and reference

space as well as eliminating drift that results from fouling of flow based

sensors, which by nature have a flow path connecting the protected and

reference spaces. Additionally, there are two levels of password

protection available as well as optional BACnet MSTP communication.

1.0 INTRODUCTION

Congratulations, and thank you for purchasing Dwyer Instruments’

Room Status Monitor (Series RSM). Its ease of operation and durable

construction will provide years of reliable service. While the Series RSM

is easy to operate, it is advisable to read this guide carefully before use.

It is designed to help you take full advantage of the function and

performance of the Series RSM.

1.1 INTENDED USE

The Series RSM is designed to monitor critical air environments,

providing room static pressure indication, alarming, and communication

functions. The applications include:

1. Hospitals - patient isolation and protection rooms, operating suites,

intensive care and emergency rooms.

2. Pharmaceutical, semiconductor, precision, manufacturing and clean

rooms.

3. Laboratories - medical research and BSLs (Bio-Safety Labs),

radiation, toxic metals and chemicals.

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

SPECIFICATIONS

Service: Air or nonconductive, nonexplosive gases.

Accuracy: ±0.5% FS, ±0.25% FS (optional).

Temperature Limits: 32 to 120°F (0 to 50°C).

Humidity Limits: 5 to 95% Relative humidity (non-condensing).

Altitude: 6561 ft (2000 meters) max.

Thermal Effects: ±0.03% FS / °F (± 0.05% FS / °C).

Pressure Limits: 15 in w.c. (±3.7 kPa).

Supply Voltage:

Order Code A (24 VAC): 18 to 32 VAC, 50 to 60 Hz.

Order Code B (120 VAC): 85 to 265 VAC, 50 to 60 Hz.

Main supply voltage fluctuations up to 10%.

Power Consumption (Voltage output): 5 W.

Output Signal: Selectable 4 to 20 mA (2-wire), 0 to 5 VDC (3-wire), or

0 to 10 VDC (3-wire).

Loop Resistance (4 to 20 mA output): 0 to 510 Ω.

Electrical Connection: Removable terminal block.

Process Connection: Barbed fittings for 3/16˝ I.D. tubing.

Enclosure Rating: NEMA 1 (IP20) rated for indoor app lications.

Housing: Fire retardant plastic.

Mounting: Mount to standard double gang metal electrical box using 4x4˝

plaster ring adapter.

Dimensions: 8˝ H x 5.4˝ W x 1.8˝ D (20.3 H x 13.7 W x 4.1 D cm).

Weight: 1.5 lbs (680 g).

Communications: BACnet MSTP ASC optional.

Agency Approvals: CE, CSA (RSM only).

Specifications - Installation and Operating Instructions

Series RSM Room Status Monitor

5-13/32

[137.16]

[203.20]

2-5/32

[55.12]

4-5/8

[117.09]

TUBING HEADER PORT

1-5/8

[41.66]

ROOM STATUS MONITOR

A-285 REMOTE

ANNUNCIATOR

ALARM

ACKNOWLEDGE

BUTTON

SPEAKER

LED

INDICATORS

P-3-RSM:TEMPLATE 2/17/11 2:22 PM Page 1

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - DWYER INSTRUMENTS, INC

Bulletin P-3-RSMThe Series RSM Room Status Monitor is designed for critical lowdifferential pressure applications that require stringent pressuremonit

Page 2

1.2 RSM FUNCTIONThe Series RSM senses very low differential pressure using high accuracycapacitive sensor technology. The pressure difference for thes

Page 3 - Voltage Output

3.5 ATTACHING PRESSURE TUBINGTypically a Room Pressure Snubber (RPS) is installed in the monitoredroom. Always attach tubing to the RSM header and the

Page 4

7.0 STARTUP AND OPERATIONThe RSM is designed with an easy to use touch screen interface. In itsnormal state the Monitoring Screen displays the actual

Page 5

7.4.3 ROOM MODE SCREENOCCUPIED/NO ISOLATIONUse these buttons to quickly change the room to standby or no isolationstatus. If No Isolation is used ther

Page 6

BACnet Setup ScreenTo set up BACnet communications the MAC address enable switch (S1) onthe dip switch must be enabled by pushing it to the right. Set

Page 7

11.0 AGENCY ELECTRICAL STANDARDSThis device falls into CSA “Pollution Degree 2” for PCB insulation and CSA˝Installation Category 2˝.The RSM meets the

Page 8

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