Honeywell PRO 2000 Series User manual

INSTALLATION INSTRUCTIONS

62-0220—01

C7031G; C7041B,C,F; T775-SENS-OAT

Series 2000 Electronic Temperature Sensors

C7031G, C7041F, T775-SENS-OAT OUTDOOR; C7041K STRAP-ON

C7041B,C DUCT; C7031D, C7041D IMMERSION

SENSOR APPLICATIONS

Table 1. Electronic Sensor Application Guide

C7031D,

C7041D

C7031G, C7041F,

T775-SENS-OAT

C7041B,C

C7041K

Model Application Output Element Insertion Length

C7031D Immersion 1097 ohms @ 77 F 5 in. (127 mm)

C7031G Outdoor 3484 ohms @ 77 F —

C7041B Duct 20 K ohm NTC @ 77 F 6 in. (152) or 12 in. (305 mm)

C7041C Duct 20 K ohm NTC @ 77 F 18 in. (457 mm)

C7041D Immersion 20 K ohm NTC @ 77 F 5 in. (127 mm)

C7041F Outdoor 20 K ohm NTC @ 77 F —

C7041K Strap-On 20 K ohm NTC @ 77 F —

T775-SENS-OAT Outdoor 1097 ohms @ 77 F —

C7041B,C

Duct

C7031D,

C7041D

Immersion

C7031G, C7041F,

T775-SENS-OAT

Outdoor

Be sure to take advantage of the entire line of quality Honeywell Sensors

C7041P

Button

Probe

C7041K

Strap-on

C7041R

Duct

Rigid

Copper C7031J,

C7041J

Duct

Cable

Averaging

62-0220-1.fm Page 1 Monday, June 11, 2007 8:47 AM

C7031G; C7041B,C,F; T775-SENS-OAT SERIES 2000 ELECTRONIC TEMPERATURE SENSORS

62-0220—01 2

INSTALLATION

When Installing this Product...

1. Read these instructions carefully. Failure to

follow them could damage the product or

cause a hazardous condition.

2. Check the ratings given in the instructions and on

the product to make sure the product is suitable for

your application.

3. Installer must be a trained, experienced service

technician.

Mounting

The mounting method depends on the particular sensor

application. The following procedures include:

— duct applications

— outdoor applications

— immersion well applications

— strap-on applications

NOTE: Also refer to the instructions for the electronic

control.

Duct Mounting (C7041B,C)

IMPORTANT

Select a spot for the sensor that will exposed it to

average duct air temperature. Avoid locations

where stratification can cause sensing errors.

1. Cut a hole in the duct just large enough to accept

the sensing element.

2. Use the sensor’s case to mark locations of pilot

holes for the mounting screws.

3. Drill pilot holes and fasten the sensor to the duct.

Fig. 1. C7041B,C dimensions in in. (mm).

Outdoor Mounting (C7031G, C7041F;

T775-SENS-OAT)

The outdoor air temperature sensors have a weather-

proof enclosure. Mount the sensor where it can sense

average outdoor air temperature. All mounting hardware

is provided with the sensor. Be sure to mount the sensor

out of direct sunlight with the sensor probe point down.

Normally, the north side of a building provides a suitable

location.

NOTE: C7031G, C7041F, and T775-SENS-OAT are

weatherproof for outdoor use. Knockouts allow

for 1/2 in. conduit connection.

1. Remove and set aside the wiring box cover.

2. Mount the sensor to standard 1/2 in. conduit.

NOTE: Mount sensor so that the element points

down.

3. Make wiring connections using two wire nuts.

4. Reattach the wiring box cover.

Fig. 2. C7031G, C7041F, T775-SENS-OAT

dimensions in in. (mm).

2-5/16

(59)

15/16

(23)

1-11/16

(43)

4-3/16

(107)

3/4

(19)

(70)

1-11/16

(43)

C7031B: 5-11/16 (145)

C7041B: 11-5/8 (295)

C7041C: 17-5/8 (448)

M22131

1-13/16

(46)

7/16 (12)

1/8 NPSM (3)

3-7/8 (99)

2-1/4 (57)

3/4

(19)

1 (25)

(127)

7/8

(22)

8-5/16

(211)

M22132

3-5/8 (91)

62-0220-1.fm Page 2 Monday, June 11, 2007 8:47 AM

C7031G; C7041B,C,F; T775-SENS-OAT SERIES 2000 ELECTRONIC TEMPERATURE SENSORS

3 62-0220—01

Immersion Well Mounting (C7031D, C7041D)

NOTE: The C7041D uses the 50001774-001 Well

Assembly. See Fig. 5 for dimensions.

The C7031D Sensor includes an immersion well. The

C7041D Sensor does not include a well. For the C7041D,

order the well as an accessory (part no.: 50001774-001).

When used on a boiler, follow the manufacturer

instructions for location. If a tapped hole is not provided

for the immersion well, provide one as follows:

1. Drain boiler and drill a 23/32 in. (18 mm) hole at the

selected location.

2. Cut threads in the hole with a 1/2 in. (13 mm) by

14 NPT tap.

In other installations, mount the immersion well in an

elbow with a heel outlet as shown in Fig. 3.

1. Drain the system, if you have not already done it,

and open the tapped hole.

2. Put pipe joint compound on the threads of the

immersion well and screw it into the tapped hole or

elbow, tightening it securely.

3. Refill the system and check for leaks.

Mount the C7031D/C7041D into the well:

NOTE: Mounting using previously installed

Honeywell wells (part no.: 32005960-001)

requires an adapter

(part no.: 50001775-001).

1. When an adapter is required, first thread it into the

well no more than one or two turns.

2. Slide the sensor into the well.

3. Rotate the sensor to thread it tightly into the adapter

and the adapter tightly into the well.

Fig. 3. Method of mounting C7031D/C7041D Sensor.

Fig. 4. C7031D, C7041D dimensions in in. (mm).

Fig. 5. 50001774-001 Immersion Well dimensions in in. (mm).

1/2 NPT (13)

M22135

SENSING ELEMENT

(SEALED IN STAINLESS STEEL

TUBE INSIDE OF INSERTION WELL)

2-5/16

(59)

1-11/16

(43)

4-3/16

(107)

1/4

(6)

(70)

1-11/16

(43)

6-11/16 (170)

M22596

5 (127)

1/2 NPSM (13)

3/4 (19)

3/8

(10)

1 (26) 4 (102)

FITS 1/2 NPT TAPPED HOLE

M22597

1/2 NPSM

INTERNALLY

THREADED

62-0220-1.fm Page 3 Monday, June 11, 2007 8:47 AM

C7031G; C7041B,C,F; T775-SENS-OAT SERIES 2000 ELECTRONIC TEMPERATURE SENSORS

Automation and Control Solutions

Honeywell International Inc. Honeywell Limited-Honeywell Limitée

1985 Douglas Drive North 35 Dynamic Drive

Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9

customer.honeywell.com

® U.S. Registered Trademark

62-0220—01 C.H. Rev. 06-07

Strap-on Mounting (C7041K)

The C7041K Sensor mounts on metal pipes from

1-5/8 inch to five inches in diameter using the straps

supplied. Clean the pipe surface where the sensor makes

contact before mounting. If necessary, remove pipe

insulation at the installation point. Thermal compound is

recommended. Locate the sensor on the discharge pipe

within 3 feet (0.9m) of the boiler. See Fig. 6.

NOTE: Insulation around the contact area increases

sensor accuracy.

Fig. 6. Strap-on mounting of C7041K Sensor.

Fig. 7. C7041K dimensions in in. (mm).

M22136

SENSOR

PIPE

COPPER PLATE MUST

MAKE GOOD CONTACT

WITH METAL PIPE

WORM GEAR

2-5/16

(59)

4-3/16

(107)

(70)

1-11/16

(43)

7-1/8 (182)

9/16 (14)

1-1/2

(38)

1-1/2

(38)

2-5/16

(59)

M22134

1-1/4

(32)

5 (127)

MAXIMUM PIPE DIAMETER SHOWN.

MINIMUM PIPE DIAMETER: 1-5/8 (41)

4-3/16 (107)

COPPER PLATE

FOAM PAD

62-0220-1.fm Page 4 Monday, June 11, 2007 8:47 AM

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