Installation Instructions Document No. 129-145 November 18, 2013 Room Pressure Monitor Item Number 129-145, Rev. EA Page 1 of 11 Product Description The Room Pressure Monitor (RPM) is designed for critical low differential pressure applications that require stringent pressure monitoring and alarming. The unit can be configured to monitor positive or negative pressure in protected environments and hospital isolation rooms per CDC guidelines. Contents Qty Description 1 Room Pressure Monitor Assembly 2 Strain relief tubing assembly 3 6-32 × 1/2" mounting screws (for connecting the monitor base to the plaster ring) Intended Use The SRPM is designed for indoor use only to monitor critical environments by providing differential pressure indication. Typically, this is between a monitored room and a reference space such as a corridor or ante room. The unit also provides monitorin, alarm and communications functions. Installation must be indoors, Pollution Degree 2, Installation Category II. Typical Applications • Surgical suites • Intensive care isolation rooms • Research laboratories • Pharmaceutical facilities • Organic laboratories • Animal research facilities Expected Installation Time 20 minutes Product Numbers Product Number WC Protocol FS 547-101A +/- 0.05" WC (12.5 Pa) P1 0.5% 547-102A +/- 0.1" WC (25 Pa) P1 0.5% 547-103A +/- 0.25" WC (62.5 Pa) P1 0.5% 547-104A +/- 0.50" WC (12 5Pa) P1 0.5% 547-105A +/- 1.0" WC (250 Pa) P1 0.5% 547-106A +/- 2.55" WC (625 Pa) P1 0.5% 547-107A +/- 5.0" WC (1250 Pa) P1 0.5% 547-101B +/- 0.05" WC (12.5 Pa) P1 0.25% 547-102B +/- 0.1" WC (25 Pa) P1 0.25% 547-103B +/- 0.25" WC (62.5 Pa) P1 0.25% 547-104B +/- 0.50" WC (12 5Pa) P1 0.25% 547-105B +/- 1.0" WC (250 Pa) P1 0.25% 547-106B +/- 2.55" WC (625 Pa) P1 0.25% 547-107B +/- 5.0" WC (1250 Pa) P1 0.25% 547-201A +/- 0.05" WC (12.5 Pa) BACnet 0.5% 547-202A +/- 0.1" WC (25 Pa) BACnet 0.5% 547-203A +/- 0.25" WC (62.5 Pa) BACnet 0.5% 547-204A +/- 0.50" WC (12 5Pa) BACnet 0.5% 547-205A +/- 1.0" WC (250 Pa) BACnet 0.5% 547-206A +/- 2.55" WC (625 Pa) BACnet 0.5% 547-207A +/- 5.0" WC (1250 Pa) BACnet 0.5% 547-201B +/- 0.05" WC (12.5 Pa) BACnet 0.25% 547-202B +/- 0.1" WC (25 Pa) BACnet 0.25% 547-203B +/- 0.25" WC (62.5 Pa) BACnet 0.25% 547-204B +/- 0.50" WC (12 5Pa) BACnet 0.25% 547-205B +/- 1.0" WC (250 Pa) BACnet 0.25% 547-206B +/- 2.55" WC (625 Pa) BACnet 0.25% 547-207B +/- 5.0" WC (1250 Pa) BACnet 0.25% Warning/Caution Notations WARNING: Personal injury/loss of life may occur if you do not follow the procedures as specified. CAUTION: Equipment damage, or loss of data may occur if you do not follow the procedures as specified. Document No. 129-145 Installation Instructions November 18, 2013 Required Tools and Components NOTE: The plaster ring external mounting face must be positioned flush to recessed, relative to the surface of the wall. Also note the orientation of the four mounting screws in the plaster ring, as the plaster ring is rotated 90° from conventional mounting. In the following wiring sections, abbreviations are used, such as, J1, P3. • Flat-head screwdriver • (1) Double gang metal electrical box with grounding stud • (1) 4 × 4-inch metal plaster ring • (1) Door switch SPDT or SPST, N.O., as needed For Annunciator and Tap Plate: Page 2 of 11 Siemens Industry, Inc. • (1) Single gang electrical box NOTE: Components are not included. Specifications Service: Air or non-conductive, non-explosive gases Accuracy: ±0.5% F.S., +/-0.25% FS optional Operating Temperature Limits: 32°F to 120°F (0°C to 50°C) Operating Humidity Limits: 5 min. to 95% max. RH (non-condensing) Figure 1. RPM Installation. Altitude: 2000 meters (max.) Thermal Effects: ±0.03% F.S./°F (± 0.05% F.S./°C) Wiring Electrical Box (Rough-In) Overpressure: ±15" WC Supply Voltage: 18-32 Vac, 50-60 Hz Power Consumption (Voltage Output): 5W 1. Lay out the system in terms of wiring: power, annunciator, analog output, BACnet, relay output and plumbing to connect to the monitored spaces (pressure taps). Output: Selectable 4-20 mA (2-wire) 0-5 Vdc (3-wire), or 0-10 Vdc (3-wire) Loop Resistance (4-20 mA Output): 0-510 Ω max. Electrical Connection: Removable terminal block Pressure Fittings: Barbed fittings for 1/4" O.D. tubing 2. Bring all power, earth ground, signal, communications and analog output wiring into the 4 × 4 electrical box. 3. Bring 1/4-inch O.D. tubing for 3/6-inch barb fitting into box. Housing: Fire retardant plastic (NEMA 1, IP20 rated for indoor applications) Mounting: Mounts to customer-supplied 4" × 4" plaster ring (mounts to double gang electrical box) In order to conform to the CSA safety standard, the electrical installer must comply with the following earth ground instructions: • Pre-wire the electrical box with power (24 Vac), and provide earth grounding to the electrical box. Dimensions: 8" H × 5.1" W × 1.8" D (203 mm H × 130 mm W × 46 mm D) Weight approx.: 1.5 lbs (680 grams) Certifications: CE, CAN/CSA-C22.2 No. 61010-1-04 • The safety ground path consists of four 6-32 × 1/2-inch metal screws that connect the RPM metal base to the 4-1/2 × 4-1/2-inch metal plaster ring. The plaster ring must be grounded to the 4-1/2 × 4-1/2-inch electrical box by two metal mounting screws. Communications: BACnet MSTP ASC P1 FLN trunk Installation • The 4-1/2 × 4-1/2-inch electrical box must be connected to the building earth ground. It is also highly recommended to use armored cable (Type AC) for all the wiring in applications where high levels of radio interference may be present. The RPM is designed to be mounted on a standard double gang metal electrical box using a 4 × 4-inch plaster ring adapter. Remove the cover and mount the baseplate to the plaster ring adapter using four 6-32, 1/2-inch long mounting screws. Document No. 129-145 Installation Instructions November 18, 2013 • Power leads, analog output, door status, and annunciator wiring should be 14 to 22 AWG stranded wire. • BACnet suggested wiring is 22 AWG stranded wire in a shielded cable, a +,-, Gnd (S) and shield should be run. This can be two twisted pairs with a separate cable shield. One twisted pair is used for communications, the second twisted pair can be used for communications ground and the shield wire can be connected to the other device shield wires. Plumbing (Attaching Pressure Tubing) CAUTION: Always attach tubing to the RPM header and then place Header onto RPM. This will prevent overpressure from crimped or collapsed tubes. Use the following procedure for all room types: positive, negative or neutral: Typically a Pressure Tap Plate is installed in the monitored room. Often, stiff nylon 1/4-inch tubing is used for running pressure signals from the RPM to the monitored spaces. To prevent buckling and collapse of this stiff tubing inside the electrical box, use the supplied strain relief tubing assemblies (2) to transition from the field tubing to the pressure fittings on the RPM. The strain relief tubing assemblies are an integrated system of tubing (2-1/4-inch long), tubing nipple and over-molded spring to prevent crimping or buckling of the tubing in the field. Attach pressure tubing as follows: 1. Connect the 1/4-inch O. D. tubing running from the Tap Plate (or other pressure connection from the monitored space) to the 4-1/2 × 4-1/2- inch electrical box for the RPM. 2. Install the barbed side of one of the strain relief tubing assemblies onto the end of the field- installed tubing. 3. Thread the tubes through the conduit opening at the bottom of the electrical box. 4. Push the open end of the strain relief tubing assembly onto the RPM pressure tube header (H1) port labeled “+”. NOTE: The header is an Electro-Pneumatic (EP) assembly. “+” indicates (Positive) pressure, and “-” indicates negative or reference pressure. SEN0559R1 Pressure Tap Plate Tubing Electrical Box RPM Header H1 Silicone Tubing Figure 2. Plumbing Inside Electrical Box. 5. For the most pressure stable operation, a Tap Plate installed in the reference pressure area is also recommended. In this case, install the Tap Plate in a hallway or reference space: a. Attach the tube to the RPM in the same way as for the + port, except attach the tube to the “-” port on the pressure tube header. b. Tighten swivel fittings on the RPM Header H1 assembly if they become loose, 9 in lb. max. c. Verify that the tubes are not buckled, which could close off pressure signal at end of installation. SEN0560R1 1/4” O.D. Tubing Figure 3. Pressure Tap Plate. Wiring, Finish Alarm Relay Output The Single Pole Single Throw (SPST) relay output can be used for remote signaling of alarm condition. A form “C” contact rated at 1A is available. Connect to J4, P1 and P4. This relay can be used as a dry contact for remote indication. Item Number 129-145, Rev. EA Page 3 of 11 Document No. 129-145 Installation Instructions November 18, 2013 Optional Remote Annunciator Wiring Non-Siemens Remote Annunciator The RPM can drive annunciators that are powered by a 15V supply, 50 mA max current draw, and accept a 15V trigger. In Figure 4, the Remote Annunciator connector is at left, and the RPM connector is at right: 1. On J4 of the RPM, jumper P1 to P2, this will connect the internal 15V supply to the common of the internal alarm relay. 2. Connect P2 to A1 (Located on Remote Annunciator), this supplies 15V excitation to the Annunciator for powering the circuit during normal conditions. 3. Connect P3 of J4 to A2 of Remote Annunciator J1. This is the 15V power return. 4. Connect P4 of RPM J4 to A3 terminal of Remote Annunciator J1. This is the alarm trigger. When an alarm occurs and after the programmed alarm delay times out the internal relay will supply 15V to the Annunciator circuit to actuate the audible beeper and the red LED. SEN0561R2 J1: Annunciator J4:RPM +15 VDC Excitation A1 +15 VDC Trigger A3 Ground A2 Jumper P4 (Annunciator Trigger) P3 (Ground) P2 (+15 VDC Excitation) P1 (Relay N.O.) Figure 4. Remote Annunciator Wiring. Door Status Switch Wiring 1. Install the door switch into the door jamb. 2. Wire to the normally open (N.O.) side of the door jamb contact switch. The RPM will indicate the status of door position. A contact closure indicates that the door is closed. This is a low voltage circuit (5 Vdc). Page 4 of 11 Siemens Industry, Inc. 3. Run two wires from the door switch to connector J6 on the RPM (See Figure 7). The door input status function is enabled in the SETUP ALARMS menu screen. Analog Output The RPM can be configured to have either current (4 to 20 mA) or voltage (0 to 5 or 0 to 10 Vdc) outputs. Voltage output—pin 1; Current output—pin 2; Common—pin 3. NOTE: No external excitation is required. Current Output The RPM supplies its own loop power; do not wire in a separate power supply. SEN0563R1 Current Output 1 V Out 0 to 5, 0 to 10 VDC 2 C Out 4 to 20 mA 3 Common + - Receiver (mA) Figure 5. Voltage Output SEN0564R1 Voltage Output 1 V Out 0 to 5, 0 to 10 VDC 2 C Out 4 to 20 mA 3 Common + - Receiver (V) Figure 6. BACnet Set-up BACnet hardware is implemented as isolated RS485. Wire to Connector J2, labeled RS-485. Connect tx line to +(A), rx to –(B) and ground wires to S. Connect Shields together with wire nut. Hardware configuration is done using a 5-position DIP switch (S1) located in the upper right hand section of the PCBA as well as through the touch screen interface. Position Function 1 MAC address enabled 2 N/C Not Connected 3 Pull up resistor 4 Termination resistor 5 Pull down resistor Use a small, flat-blade screwdriver or pen to push the switch to the right to turn that function on; otherwise, it is off. There is a BACnet setup screen that is enabled by pushing position 1 switch to the ON position. After configuration the switch must be moved to the OFF position. Document No. 129-145 Installation Instructions November 18, 2013 FLN Set-up FLN hardware is implemented as isolated RS485. Wire to Connector J2, labeled FS-485. Connect tx line to +(A), rx to –(B) and ground wires to S. Connect Shields together with wire nut. The installation is now complete. Start-up and Operation The RPM is designed with as an easy-to-use, intuitive, touch screen interface. In its normal (default) state the Monitoring Screen displays the actual room static pressure, and a slider bar shows the actual pressure relative to the alarm limits. The RGB backlight is used to indicate the condition of the room. The buttons at the bottom of the screen give you access to the functions that can be performed. Siemens Industry, Inc. Page 5 of 11 Power-Up Apply power and observe the welcome screen and subsequent transition to the pressure monitor screen. The actual room static pressure is shown as a number in the center of the LCD and visually as a moving bar indicator operating between the preset alarm units. The vertical bar is an indicator of the pressure. Monitoring Screen Button Description Silence Shuts off alarm. Menu Provides access to Main Menu functions. Reset Resets the unit in Latched mode. The following screens are configuration screens that can be configured so that Password protection is required to make changes. If no entry is made to the screen, the unit will return to the default screen after approximately one minute. Main Menu Screen Button Description Unit Sets up supervisor password, output, engineering units, and display averaging. Room Sets up high and low pressure limits to monitor a positive, negative, or neutral room. Operator password setup. Alarm Sets up latch alarm, audible alarm, door alarm input, mute time out, alarm delay, and volume. BACnet/ P1FLN Configures BACnet/P1FLN Communications. Self-test Identifies product model and software version, and serial number. Verifies memory and performs alarm test. Calibration Performs zero and span calibration. Back Returns to monitoring screen. Document No. 129-145 Installation Instructions November 18, 2013 Set-up Unit Operation Entering Data Press (or tap) the button to select an output or engineering unit. Selected button background will change from clear to black. Password Protection Lightly pressing (or tapping) the Yes button activates Supervisor password protection. With Supervisor password protection enabled, operators cannot access menu screens to update setup. Pressing No disables password protection. Pressing Change will open Password Setting Screen. To change the password, enter the present password (numeric value), followed by the new password in the New Password and Confirm New Password entry boxes, and then press Save. Be careful to store the password for future reference. NOTE: If the password is lost, 351 can be used to reset the password to a new value. Analog Output Select : 4-20, 0-5, or 0-10 Eng. Unit Select: WC, or Pa Display Averaging Lightly pressing (or tapping) the Display Averaging box activates the data entry box. Enter from 0 to 60 seconds. Display averaging affects the analog output. Increase the display averaging time to smooth out the pressure readings; this will also reduce the display update rate. Press Save and Exit. Data Entry Screen Enter numbers by pressing each key in sequence until the desired character is displayed in the data entry box above the keypad. NOTE: The cursor will blink for one to two seconds and then stop and display the character. Erase any mistakes by using the BACKSPACE (Å) key. When data entry is complete, press the ENTER key to return to SETUP UNIT screen. NOTE: Use the eraser end of a pencil or back-end of a pen to press (or tap) box on screen to increase accuracy of inputs. Setup Room Screen Setup Room Operation Setup alarm limits for protective positive room static pressure, isolating negative room static pressure, or neutral (where the limits can be – to +). Page 6 of 11 Siemens Industry, Inc. Document No. 129-145 Installation Instructions November 18, 2013 Entering Data Lightly press or tap in the Lower Limit data entry box. Enter the lower limit pressure. Lightly press or tap in the Upper Limit data entry box. Enter the upper limit pressure. The Room Type box will change depending on the lower and upper limits. If both entries are positive, the room will be a Positive Room. If both are negative, the room will be a Negative Room. If the lower limit is negative and the upper limit is positive, the room will be a Neutral Room. Operator Password The operator can only enable or disable the room alarms. Lightly pressing (or tapping) Yes activates Operator Password Protection. With Operator Password Protection enabled, room Enabled/Disabled status cannot be changed without entering a valid operator password. Pressing No disables password protection. Pressing Change will open the Password Setting Screen. To change the password, enter the present password, followed by the new password in the New Password and Confirm New Password entry boxes, and then press Save. Be careful to save the operator password for future reference. NOTE: If the password is lost, 351 can be used to reset the password to a new value. Setup Alarms Screen From this screen you can access the following: • Latch Alarm - Requires the pressure to return to normal and the alarm to be acknowledged before the alarm can be silenced and reset. • Audible Alarm - Enable by selecting Yes, or use visual only alarm by selecting No. • Door Alarm Input - Provide a “door open” warning visual indication. When a door jamb contact switch is used and this button is activated by pressing Yes, the door status “open” condition is indicated by the touch screen display turning from green to yellow, and door open indicated on the monitoring (default) screen. • Mute Time Out - Set the time (in seconds) that the alarm can be silenced in the Latched Alarm mode before the alarm resumes. This assumes that the room static pressure is still outside the normal or set operating limits. The Mute Time Out can be set from 0 to 9999 seconds. • Alarm Delay - Set the Alarm Delay (in seconds) from the time that the room pressure goes out of the preset limits until the alarm activates. The alarm delay may be set from 0 to 9999 seconds. • Volume - Set the alarm volume or sound level. Using the Up and Down keys, the volume can be set at level 1 to 4. Level 4 alarm volume is the loudest and corresponds to a sound level of 85 dB at a distance of 4 inches. Alarm Setup Operation Lightly press (or tap) the button to select Yes or No for Latch Alarm, Audible Alarm, or Door Alarm Inputs. Selected box background will change from clear to black when selected. Mute Time Out/Alarm Delay Pressing (or tapping) the Mute Time Out or Alarm Delay box activates the Data Entry screen to set the time delay duration. Self Test Screen This screen identifies the Product Model Part Number and Software Version. Siemens Industry, Inc. Page 7 of 11 Document No. 129-145 Installation Instructions November 18, 2013 You can also perform a self-test of the unit to verify that the data in the protected area of the EEPROM memory hasn’t been corrupted, and test the alarm to verify the sound level and alarm setup. Press the Self Test button to initiate an EEPROM memory checksum test sequence. Press Alarm Test to test beeper, visual Red LED Alarm, and relay output. This can be used to verify the system in Alarm Mode. Page 8 of 11 Siemens Industry, Inc. Press Cancel Test to stop the alarm test. Press Exit to return to the Main Menu. BACnet Setup Screen 1. Enable the MAC address enable switch (S1) on the DIP switch by pushing it to the right. 2. Set Device Address – Enter the address of the device 3. Select Baud Rate – Press the correct baud rate button (9600 to 76800). 4. Press Save & Exit to save settings, or Cancel to cancel the setting changes. 5. When complete, disable the BACnet setup by moving the DIP switch position 1 to Off (left) position. 6. If the unit will be at the end of the line, the pull up resistor can be enabled by pushing position 3 to On. 7. The termination resistor can be inserted by pushing position 4 switch to On. 8. The pull down resistor can be enabled by turning position 5 to On. 9. Press Save & Exit. After the unit returns to the Main Menu screen, disconnect the power to the unit, then reconnect to boot-up with the proper MAC Address and Device Instance. DIP Switch Position Function 1 MAC address enabled 2 Not Used 3 Pull Up Resistor 4 Termination Resistor 5 Pull Down Resistor Contact Siemens Industry, Inc. for information on Point list and PICS and BIBBS statements. FLN Setup Screen To set up FLN communications: 1. Set Device Address – Enter the address of the device. 2. Select Baud Rate – Press the correct baud rate button (4800 to 19200). 3. Press Save & Exit to save settings, or Cancel to cancel the setting changes. Pressure Monitoring Screens Document No. 129-145 Installation Instructions November 18, 2013 Changing Room Alarm Modes The Room Pressure Monitor can be quickly changed from Enabled monitor and alarming to Disabled (or unoccupied). To do this, touch the room mode indicator at the top of the pressure monitoring screen. Enabled/Disabled Use these buttons to quickly change the room to ENABLED or DISABLED status. If DISABLED is used there will be no alarms generated if the room is outside pressure limits. Press Save & Exit. Calibration Screen The device is designed to operate without routine calibration. However, it should be periodically re- zeroed as follows: 1. Open the device cover. 2. Disconnect the electro-pneumatic Header H1 so that room pressures are not applied to the pressure sensor. 3. On the Calibration screen, lightly press (or tap) the ZERO button. 4. Reconnect the electro-pneumatic Header H1 and close the cover. If a sufficiently accurate pressure calibrator is available, then span calibration can also be performed. The calibration unit needs to be more accurate than the RPM, depending on the facility’s calibration requirements. The WC and FS columns in the Product Numbers table on the first page of this document the water column and full scale accuracy of each RPM. To calibrate the span: 1. Open the device cover. 2. Apply a steady full-scale pressure signal to the + on the header fitting and press (or tap) the SPAN button. 3. Reconnect the room pressure tube and calibration is complete. Calibration must be within ±5% of original calibration for this to occur; otherwise, an error message will occur. To restore the original factory pressure calibration, press the Restore Factory Calib button. Maintenance The Room Pressure Monitor is designed to operate in an indoor environment, and monitor clean, dry air. Upon final installation of the Room Pressure Monitor, no routine maintenance is required. A periodic check of system calibration is recommended, as described in the Calibration Screen section. The unit is not field serviceable and should be returned if repair is needed (field repair should not be attempted and may void warranty). Be sure to include a brief description of the problem plus any relevant application notes. Contact Customer Service to receive a return goods authorization number before shipping. Cleaning CAUTION: Do not blow into the pressure tubing or fittings with mouth, compressed air, or canned air. Such actions may permanently damage the pressure sensor. Do not clean or wash-down the unit with industrial cleaners or solvents. The housing may be wiped down with soap and water or isopropyl alcohol. The LCD may only be cleaned with isopropyl alcohol. Do not immerse unit. Siemens Industry, Inc. Page 9 of 11 Next >