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Specifications subject to change without notice.

 

4 of 5

 

Standard Range Zone Pressure Multi-Sensor (ZPM)

 

Installation and Operation

 

Catalog No. 11-808-711-01 

 

 

 

 

 

#38592 

– 

1/10/19 

Output Termination 

 

 

To ensure that all wires are properly terminated, twist the stripped ends of each 
wire together before inserting into the terminals. Gently tug on the wire after 
inserting into the terminal to verify a good connection.

 

 

PWR

 

Terminal

 

GND/4-20

 

Terminal

 

Vout 
Terminal

 

 

Figure 6: 

ZPM Wiring Terminals

 

 
 
 
 

Auto-Zero Operation 

 

Auto-Zeroing must be done after the initial setup and after any changing of 
settings.

 

1. 

Make sure power is applied

 

2. 

Deadhead ports

 

4. 

Press the Auto-Zero button for 2 seconds (LED blinks)

 

5. 

Remove deadhead after LED stops blinking

 

6. 

Attach system tubing

 

 
 

 

Figure 7:

 

Auto-Zero

 

Button

 

 

 

Status LED Operation 

 

 

LED Off: 

No power is applied or the unit is in 4 to 20 mA Mode

 

LED On: 

LED is on when power is applied and voltage output is selected. 

When 4 to 20 mA output is selected, the light is on for 2 seconds at power up 
then goes off.

 

LED Blinking Fast: 

Auto-Zero or Error Mode

 

LED Blinking Slow: 

The pressure measurement is above or below the 

selected pressure range. Note: When the reading is above or below the 
selected pressure range, the LCD on the face of the unit will alternate 
between 

showing the actual reading and showing “err”.

 

Figure 8:

 

Status LED on the 
inside of the cover

 

Carrier

 

recommends wiring the product with power disconnected. 

Proper supply voltage, polarity and wiring connections are important 
to a successful installation. Not observing these recommendations 
may damage the product and void the warranty.

 

Table 1: ZPM Termination 

Output Signal 

PWR Terminal 

GND/4-20 Terminal 

Vout Terminal 

4 to 20 mA 

7 to 40 VDC 

4 to 20 mA Signal To 
Controller Analog Input 

Not Used 

0 to 5 or 1 to 5 VDC 

7 to 40 VDC 
or 18 to 32 VAC 

To Controller Ground 

VDC Signal To 
Controller Analog Input 

0 to 10 or 2 to 10 VDC 

13 to 40 VDC 
or 18 to 32 VAC 

To Controller Ground 

VDC Signal To 
Controller Analog Input 

 

Summary of Contents for NSB-ZPM-SR-ST-D

Page 1: ...o 32 VAC for 0 to 10 or 2 to 10 V Output Power Consumption 20 mA max DC only at 4 to 20 mA Output 4 9 mA max DC at 0 to 5 VDC or 0 to 10 VDC Output 0 12 VA max AC at 0 to 5 VDC or 0 to 10 VDC Output Load Resistance 4 to 20 mA Output 850 Ω Maximum 24 VDC 0 to 5 V or 0 to 10 V output 6K to 10KΩ minimum Accuracy for Standard Pressure Ranges at 72 F 0 25 of range Stability 0 25 F S per year Port Size ...

Page 2: ... and 0 to 5 Unidirectional 4 Choose UNITS Inches WC or PASCALS 5 Choose RESPONSE TIME Fast Response 1 2 second Slow Response 4 seconds 38592 1 10 19 Switch Setup Outputs Ranges Units Response Do not have power applied to unit when changing settings After changing settings apply power and Auto Zero the unit in its orientation of operation Figure 2 Setup Switches for Standard Range Units 1 Select OU...

Page 3: ...entation is with the pressure ports facing down Remove the deadhead tubing and push the system tubing onto the port nipple without creating any kinks or holes Figure 3 ZPM Mounting A locking screw can be inserted into the hole in the cover latch to prevent unintentional cover openings Figure 4 Cover Latch Screw Center hole is only needed for the Attached Tube AT version of the ZPM unit Figure 5 Mo...

Page 4: ...lied and voltage output is selected When 4 to 20 mA output is selected the light is on for 2 seconds at power up then goes off LED Blinking Fast Auto Zero or Error Mode LED Blinking Slow The pressure measurement is above or below the selected pressure range Note When the reading is above or below the selected pressure range the LCD on the face of the unit will alternate between showing the actual ...

Page 5: ...e is to form a drip loop in the tubing to prevent condensation from reaching the ZPM Troubleshooting POSSIBLE PROBLEMS LED does not light LED is blinking fast 1 2 second on 1 2 second off Display is alternating between a number and err Output stuck high or low Output not tracking pressure properly POSSIBLE SOLUTIONS Check power connections for proper power The unit may be performing an auto zero W...

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