Dwyer Instruments RHP-W series Instrucciones de instalación y funcionamiento

DWYER INSTRUMENTS, INC.

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

P. . Box 373 • Michigan City, IN 46360-0373, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

The Series RHP-W Wall Mount Humidity/Temperature/Dew Point Transmitter

is the most versatile room transmitter on the market. The stylish housing is well

vented to provide air flow across the sensor to improve measurement accuracy. An

optional LCD display can be integral to the transmitter or a remote display can be

ordered for building balancing or LEED validation. The LCD display indicates the

ambient temperature along with the humidity or dew point. The transmitter has

internal dip switches to select the temperature engineering units and whether the

transmitter outputs humidity or dew point.

The humidity and temperature sensors are field replaceable to reduce service cost

and inventory. The humidity and the dew point are measured using a capacitive

polymer sensor that completely recovers from 100% saturation. The humidity and

dew point can have either a current or voltage output, while the optional tempera-

ture output can be a current, voltage, RTD or thermistor. For models with current

or voltage for the temperature output, the temperature range is field selectable.

INSTALLATI N

Series RHP-W Wall Mount Humidity/Temperature/Dew Point Transmitter

Specifications - Installation and perating Instructions

Bulletin H-RHP-W

SPECIFICATI NS

Relative Humidity Range: 0 to 100% R .

Temperature Range: -40 to 140°F (-40 to 60°C) for thermistor and RTD sensors.

-20 to 140°F (-28.9 to 60°C) for solid state temperature sensors.

Dew Point Temperature Range: -20 to 140°F (-28.9 to 60°C); 0 to 100°F

(-17.8 to 37.8°C); 40 to 90°F (4.4 to 32.3°C); -4 to 140°F (-20 to 60°C) field selec-

table ranges.

Accuracy:

RH: Model R P2 ±2% 10-90% R @ 25°C; Model R P3 ±3% 20-80% R @

25°C.

Thermistor Temperature Sensor: ±0.4°F @ 77°F (±0.22°C @ 25°C).

RTD Temperature Sensor: DIN Class B; ±0.54°F @ 32°F (±0.3°C @ 0°C).

Solid State Temperature Sensor: ±0.9°F @ 72°F (±0.3°C @ 25°C).

Hysteresis: ±1%.

Repeatability: ±0.1% typical.

Temperature Limits: -40 to 140°F (-40 to 60°C).

Storage Temperature: -40 to 176°F (-40 to 80°C).

Compensated Temperature Range: -4 to 140°F (-20 to 60°C).

4-20 mA Loop Powered Models:

Power Requirements: 10-35 VDC.

utput Signal: 4-20 mA, 2 channels for humidity/solid state temperature sensor

models (loop powered on R ). Switch selectable R /dew point. Switch

selectable normal or reverse output.

0-5/10V utput Models:

Power Requirements: 15-35 VDC or 15-29 VAC.

utput Load: 5 mA max., 2 channels for humidity/solid state temperature

sensor models. Switch selectable 0-10V/2-10V or 0-5V/1-5V output. Switch

selectable R /dew point. Switch selectable normal or reverse output.

Solid State Temperature Sensor utput Ranges: Switch selectable,

-20 to 140°F (-28.9 to 60°C); 0 to 100°F (-17.8 to 37.8°C); 40 to 90°F

(4.4 to 32.3°C); -4 to 140°F (-20 to 60°C).

Response Time: 15 seconds.

Electrical Connections: Screw terminal block.

Drift: <1% R /year.

RH Sensor: Capacitance polymer.

Enclosure Material: White polycarbonate.

Display: Optional LCD, backlit on 0-5/10V models. Switch selectable %R or dew

point, °F/°C.

Display Resolution: R : 1%; Temperature: 0.1°F (0.1°C); Dew Point: 1°F (1°C).

Weight: 0.3 lb (0.14 kg).

Agency Approvals: CE.

1-3/16

[30.16]

1-3/16

[30.16]

.921

3x 3/8

[9.53]

35/64

[13.89]

1-13/32

[35.72]

1-53/64

[46.43]

4x 3/16

[4.76]

1-13/32

[50.01]

4-31/64

[113.9]

3-13/32

[86.52]

Shown with optional LCD display

Do not exceed ratings of this device, permanent damage not

covered by warranty may result. The 4-20 mA models are not

designed for AC voltage operation.

CAUTI N

Avoid locations where severe shock or vibration, excessive

moisture or corrosive fumes are present.

CAUTI N

Use electrostatic discharge precautions (e.g., use of wrist

straps) during installation and wiring to prevent equipment dam-

age.

CAUTI N

Disconnect power supply before installation to prevent electrical

shock and equipment damage.

Make sure all connections are in accordance with the job wiring diagram and in

accordance with national and local electrical codes. Use copper conductors only.

WARNING

www. .com information@itm.com1.800.561.8187

1. Push tab on bottom of cover and lift cover from back plate. (See Figure 1).

2. Select the mounting location, away from diffusers, lights, or any external

influences.

3. Mount transmitter on a vertical surface to a standard electrical box using the two

#6 M2C type screws provided.

4. Pull wires through sub base hole and make necessary connections.

5. Reattach cover to base plate.

Wiring

Use maximum 18 AWG wire for wiring to terminals. Refer to figures 2 through 5 for

wiring information.

Current utput Models (RHP-XW1X)

Current output models must be powered with 10-35 VDC supply voltage. Wire the

R current output as shown in Figure 2. If the unit has a 4-20 mA temperature out-

put, wire the temperature receiver between terminal 3 and the negative terminal of

the power supply. If the unit has a passive temperature sensor, wire to terminals 4

and 5. If the R output is not required, wire the negative terminal of the power sup-

ply to terminal 1 of the transmitter. If the temperature output is not used, it may be

left disconnected.

Voltage utput Models (RHP-XW2X)

Wire as shown in Figure 3. Voltage outputs may be powered with 15-35 VDC or 15-

29 VAC. Note polarity when using DC power. If the unit has a voltage temperature

output, wire the temperature receiver between terminal 4 and negative terminal of

power supply. If the unit has a passive temperature sensor, wire to terminals 5 and

6. For units with R and temperature voltage outputs, the R or Temperature out-

put may be used by itself.

Models with Selectable Current or Voltage utputs (RHP-XW44)

These models may be wired for current or voltage output. Note that both outputs

must be wired either for current or voltage. It is not possible to wire one output for

current, and the other for voltage.

Prior to wiring, verify that the Current/Voltage select switch is set to current or volt-

age as desired. Refer to “Setting the Current/Voltage Select Switch”.

Current utput Selected: Wire as shown in Figure 4. Current outputs must be

powered with 10-35 VDC. If the R output is not required, wire the negative termi-

nal of the power supply to terminal 1 of the transmitter. All units come with 4-20 mA

R and Temperature outputs. If the 4-20 mA temperature output is not used it

maybe left disconnected. If the unit has a passive temperature sensor, wire to ter-

minals 7 and 8.

Voltage utput Selected: Voltage outputs may be powered with 15-35 VDC or 15-

29 VAC. Note polarity when using DC power. Wire the R voltage output as shown

in Figure 5. If the unit has a voltage temperature output, wire the temperature

receiver between terminal 6 and the negative terminal of the power supply. All units

come with R and Temperature voltage outputs. If the temperature or R voltage

output is not used it may be left disconnected. If the unit has a passive temperature

sensor, wire to terminals 7 and 8.

Setting the Current/Voltage Select Switch

Remove the cover of the unit as shown in Figure 1. The Current/Voltage select

switch is located on the back of the circuit board. Set the switch “IOUT” for current,

“VOUT” for voltage.

1 2 3 4 5 6 7 812345678

POWER

SUPPLY

POWER

SUPPLY

+ -+ -

RH RECEIVERRH RECEIVER

TEMP RECEIVERTEMP RECEIVER

PASSIVE TEMP.

SENSOR

PASSIVE TEMP.

SENSOR

(IF PRESENT)(IF PRESENT)

4-20MA4-20MA 4-20MA4-20MA

BOTTOM TAB

HINGE

TO REMOVE COVER

APPLY PRESSURE TO

BOTTOM TAB WHERE

INDICATED AND THE

TWO PARTS

WILL BECOME

UNHINGED AT TOP

REVERSE PROCESS

TO APPLY COVER

MOUNTING

BACK PLATE

SELF-LATCHING

COVER

MOUNTING

SCREWS

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

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DIP SWITCH SETTINGS

To access the DIP SWITC , remove the cover of the unit as shown in Figure 1. The

DIP SWITC is located on the back of the circuit board.

ALL DIP SWITCHES are factory set to “ N”

5V/10V utput Select (Applies only to Voltage utput units)

DIP SWITC #1 OFF: Output = 0-5V

DIP SWITC #1 ON: Output = 0-10V

Zero Suppression (Applies only to Voltage utput Units)

DIP SWITC #2 OFF : Output range = 1-5V or 2-10V, depending on output range

DIP SWITC #2 ON : Output range = 0-5V or 0-10V, depending on output range

Upper Display reads RH or DEW P INT

DIP SWITC #3 OFF: Upper Display reads Dew Point

DIP SWITC #3 ON: Upper Display reads R

RH UTPUT, Normal or Invert

DIP SWITC #4 OFF: Output is inverted

DIP SWITC #4 ON: Output is Normal

When set to normal output, the output increases as the R increases. When set to

inverted output, the output decreases as the R increases.

Example: Normal 4-20 mA output, 0%R = 4 mA, 100% R = 20 mA

Inverted 4-20 mA output, 0%R = 20 mA, 100% R = 4 mA

TEMP UTPUT, Normal or Invert

DIP SWITC #5 OFF: Output is inverted

DIP SWITC #5 ON: Output is Normal

When set to normal output, the output increases as the temperature increases.

When set to inverted output, the output decreases as the temperature increases.

Example: Normal 4-20 mA output, -20°F = 4 mA, +140°F = 20 mA

Inverted 4-20 mA output, -20°F = 20 mA, +140°F = 4 mA

°F/°C Select

DIP SWITC #6 OFF: °C

DIP SWITC #6 ON: °F

Temperature utput Range Select

The temperature range applies only to the current or voltage output. If the unit has

a display, it will display temperature from -40 to +140°F (-40 to +60°C). If the unit is

set to read DEW POINT, the output range of the DEW POINT will be the same as

the Temperature Output Range.

Note: The display will indicate temperature even if the unit does not have a tem-

perature output.

TR UBLESH TING

1. Verify that the unit is mounted in the correct position.

2. 4-20 mA Models:

Verify appropriate supply voltage. The transmitter requires a minimum of 10 and a

maximum of 35 VDC at its connection for proper operation. Choose a power sup-

ply with a voltage and current rating which meets this requirement under all oper-

ating conditions. If the power supply is unregulated, make sure voltage remains

within these limits under all power line conditions. Ripple on the supply should not

exceed 100 mV.

Loop Resistance – The maximum allowable loop resistance depends on the

power supply voltage. Maximum loop voltage drop must not reduce the transmitter

voltage below the 10 VDC minimum. Maximum loop resistance can be calculated

with the following equation. Vps is the power supply voltage.

Rmax =

Some receivers, particularly loop powered indicators, may maintain a fixed loop

voltage to power the device. This voltage drop must also be subtracted from the

power supply voltage when calculating the voltage margin for the transmitter. The

following equation takes this into account. Vrec is the receiver fixed voltage.

Rmax =

0-10 V utput Models:

Verify appropriate supply voltage. The 0-10V output models require a DC supply of

15 to 35 V or an AC supply of 15-29 V for proper operation maximum. Maximum

output load is 5 mA.

FIELD SENS R REPLACEMENT

Replacement sensors are available. Replacement sensors are factory calibrated

and do not require any further calibration.

1. Remove cover as shown in Figure 1.

2. Remove existing sensor as shown in Figure 8.

3. Replace the sensor with appropriate replacement sensor.

4. Reattach cover to base plate.

Remote Display

For models that are ordered without an integral LCD display, remote display Model

A-449 can be used to display the temperature and humidity or dew point. The mini

USB plug of the remote display plugs into the receptor on the side of the housing.

After a short warm up time, the display will begin to show the current temperature

and humidity or dew point measurements. umidity or dew point can be selected

via the internal dip switches as described earlier in this manual.

Sensor is sensitive to Electro-Static Discharge (ESD). Follow

industry standard practice for control and protection against

ESD. Failure to exercise good ESD practices may cause damage to the sensor.

Range

-4 to +140°F (-20 to +60°C)

+40 to +90°F (+4.4 to +32.2°C)

0 to +100°F (-17.8 to +37.8°C)

-20 to +140°F (-28.9 to +60°C)

Dip Switch 7

OFF

Dip Switch 8

OFF

Figure 7

Vps-10.0

20 mA

Vps-10.0-Vrec

20 mA

Figure 8

N TICE

www. .com information@itm.com1.800.561.8187

DWYER INSTRUMENTS, INC.

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

P. . Box 373 • Michigan City, IN 46360-0373, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

0MAINTENANCE

Upon final installation of the Series R P-W Temperature/ umidity/Dew Point

Transmitter and the companion receiver, no routine maintenance is required. A peri-

odic check of the system calibration is recommended. Except for sensor replace-

ment, t he Series R P-W 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.

RHP Model #

R P-2(W)XA

R P-2(W)XB

R P-2(W)XC

R P-2(W)XD

R P-2(W)XE

R P-2(W)XF

R P-2(W)X(0,1, 2, 4)

R P-3(W)XA

R P-3(W)XB

R P-3(W)XC

R P-3(W)XD

R P-3(W)XE

R P-3(W)XF

R P-3(W)X(0, 1, 2, 4)

Replacement Sensor Part #

R PS-D2A

R PS-D2B

R PS-D2C

R PS-D2D

R PS-D2E

R PS-D2F

R PS-D20

R PS-D3A

R PS-D3B

R PS-D3C

R PS-D3D

R PS-D3E

R PS-D3F

R PS-D30

Example

Series

Accuracy

ousing Type

R Output

Temperature

Sensor/Output

Option

R P

LCD

Blank

RP-2D1A-LCD

R/Passive Temperature Sensor Transmitter

2% Accuracy

3% Accuracy

Wall Mount

4-20 mA

0-10V/0-5V

0-10V/0-5V/4-20 mA

10K @ 25°C Thermistor Dwyer Curve A

10K @ 25°C Thermistor Dwyer Curve B

3K @ 25°C Thermistor Dwyer Curve C

100Ω RTD DIN 385

1KΩ RTD DIN 385

20KC 25°C Thermistor Curve F

NONE

4-20 mA Solid State Sensor

0-10V/0-5V mA Solid State Sensor

0-10V/0-5V/4-20 mA Sensor

LCD Display

No Options

Model Chart

ACCESS RIES

Replacement sensor part number table:

RESISTANCE VS TEMPERATURE TABLE

°C

-55

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

100

105

110

115

120

125

130

135

140

145

150

°F

-67.0

-58.0

-49.0

-40.0

-31.0

-22.0

-13.0

-4.0

5.0

14.0

23.0

32.0

41.0

50.0

59.0

68.0

77.0

86.0

95.0

104.0

113.0

122.0

131.0

140.0

149.0

158.0

167.0

176.0

185.0

194.0

203.0

212.0

221.0

230.0

239.0

248.0

257.0

266.0

275.0

284.0

293.0

302.0

Temperature

607800.00

441200.00

323600.00

239700.00

179200.00

135200.00

102900.00

78910.00

61020.00

47540.00

37310.00

29490.00

23460.00

18780.00

15130.00

12260.00

10000.00

8194.00

6752.00

5592.00

4655.00

3893.00

3271.00

2760.00

2339.00

1990.00

1700.00

1458.00

1255.00

1084.00

939.30

816.80

712.60

623.60

547.30

481.80

425.30

376.40

334.00

297.20

265.10

237.00

963849.00

670166.00

471985.00

336479.00

242681.00

176974.00

130421.00

97081.00

72957.00

55329.00

42327.00

32650.00

25392.00

19901.00

15712.00

12493.00

10000.00

8057.00

6531.00

5326.00

4368.00

3602.00

2986.00

2488.00

2083.00

1752.00

1480.00

1255.00

1070.00

915.50

786.60

678.60

587.60

510.60

445.30

389.60

341.90

301.00

265.80

235.30

208.90

186.10

289154.70

201049.80

141595.50

100943.70

72804.30

53092.20

39126.30

29.124.30

21887.10

16598.70

12698.10

9795.00

7617.60

5970.30

4713.60

3747.90

3000.00

2417.10

1959.30

1597.80

1310.40

1080.60

895.80

746.40

624.90

525.60

444.00

376.50

321.00

274.65

235.98

203.58

176.28

153.18

133.59

116.88

102.57

90.30

79.74

70.59

62.67

55.83

78.32

80.31

82.29

84.27

86.25

88.22

90.19

92.16

94.12

96.09

98.04

100.00

101.95

103.90

105.85

107.79

109.74

111.67

113.61

115.54

117.47

119.40

121.32

123.24

125.16

127.08

128.99

130.90

132.80

134.71

136.61

138.51

140.40

142.29

144.18

146.07

147.95

149.83

151.71

153.58

155.46

157.33

783.2

803.1

822.9

842.7

862.5

882.2

901.9

921.6

941.2

960.9

980.4

1000.0

1019.5

1039.0

1058.5

1077.9

1097.4

1116.7

1136.1

1155.4

1174.7

1194.0

1213.2

1232.4

1251.6

1270.8

1289.9

1309.0

1328.0

1347.1

1366.1

1385.1

1404.0

1422.9

1441.8

1460.7

1479.5

1498.3

1517.1

1535.8

1554.6

1573.3

2394000.00

1646200.00

1145800.00

806800.00

574400.00

413400.00

300400.00

220600.00

163.500.00

122280.00

92240.00

70160.00

53780.00

41560.00

32340.00

25360.00

20000.00

15892.00

12704.00

10216.00

8264.00

6722.00

5498.00

4520.00

3734.00

3100.00

2586.00

2166.00

1822.60

1540.00

1306.40

1112.60

951.00

815.80

702.20

606.40

525.60

N/A

Resistance Curves (in hms)

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