Instruction/ maintenance manual of the product W7761A Honeywell
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U.S. Regi s tered Tradem ark Copyright 1998 Honeywell In c . • All Ri ght s Reserved LonW orks LonMark and LonMark l ogo are Regi s tered Trademark s of Echel on Corporat i on. 74-2699 CONTENTS Table of Contents Introduction .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 2 74-2699 Fig. 5. DIN rail adapters..................................................................................... 12 Fig. 6. T7770A,B,C,D construction (T 7770A,C shown). .................................... 15 Fig.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 3 74-2699 INTRODUCTION Description of Devices The W 7761A, Excel 10 R emote Input/Output device, provides aux iliary inputs and outputs for use w ith an Excel 10 Zone Manager and Ex cel 10 controllers over the Echelon ® LonW orks ® E-Bus.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 4 74-2699 Control Application The W 7761A, Excel 10 R emote Input/Output device, provides aux iliary inputs and outputs for use w ith an Excel 10 Zone Manager and Ex cel 10 controllers over the Echelon ® LonW orks ® E-Bus.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 5 74-2699 74-2698 Excel 10 W 7761A Device Specification Data 74-2956 Excel 10 W 7750A,B Controller Specification Data 74-2697 T7770A through G W all Module Specifi.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 6 74-2699 Agency Lis tings Table 1 provides information on agency listings for Excel 10 products. Table 1. Agency Listings. Device A gency Comments W7761A Input/Output Dev ice UL Tested and listed under UL916 (file number E87741).
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 7 74-2699 DDF - Delta Degrees Fahrenheit. D/X - Direct Expansion; refers to a ty pe of mechanical cooling where refrigerant is (ex panded) to its cold state, within a heat-exchanging coil that is mounted in the air stream supplied to the conditioned space.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 8 74-2699 PWM - Pulse W idth Modulated output; allows analog modulating control of equipment using a digital output on the controller. RTD - Resistance Temperature Detector; refers to a ty pe of temperature sensor whose resistance output changes according to the temperature change of the sensing element.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 9 74-2699 M 1 01 18 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 J 3 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 EGND GND 22 V D C O U T E B US E .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 10 74-2699 1 2 3 4 5 6 7 8 91 01 1 1 2 1 3 1 4 1 5 J 3 22 VDC OUT EB U S EB U S JAC K 31 30 2 9 28 2 7 26 2 5 24 23 22 21 2 0 19 18 17 16 COM OUT 1 O UT 2 OUT 3 OU.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 11 74-2699 M6857 1 2 3 Fig. 5. DIN rail adapters. The input/output points are summarized in T able 2. Table 2. List Of Av ailable Points.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 12 74-2699 CPU: Motorola or T oshiba 3150 Neuron processor, containing three eight-bit CPU ’s. Each Neuron has a unique 48-bit netw ork identification number. Memory Capacity : 64K ROM /PROM (6K reserved for network operations, 58K usable for control algorithm code).
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 13 74-2699 Supported Sensors: T7770A,B,C,D sensor—(current feature that can be used w ith the RIO Device) and T7780 DDW M. Discharge A ir Temperature: Type: RTD. Supported Sensors: C7100A1015*, C7770A1006, C7031B1033, C7031C 1031, C7031D1062, C7031J1050, C7031K1017.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 14 74-2699 CA UTION W hen any device is energized by a T riac, the device must be able to sink a minimum of 25 mA. NOT E: Triacs sink current to the 24 Vac common (CO M terminal on the W 7761A); see Fig. 19 for wiring ex ample.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 15 74-2699 The T 7780 DDW M for the Ex cel 10 Controllers (see Product Names section) is show n in Fig. 7. M11391 ST ANDARD UT ILIT Y CONDU IT BOX ( 2 X 4) M OUNTIN G HO LES KNOCKOUT S F OR E UROPEAN A PPLIC AT IO NS 3-5/32 (80) 2-3/8 (60) 1 (25) 5-1/16 (128) 2-3/8 (60) Fig.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 16 74-2699 average many space temperature sensors that are located in a z one that is controlled by the W 7750 Constant Volume AHU Controller.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 17 74-2699 APPLICATION STEPS Overview The seven application steps show n in Table 3 are planning considerations for engineering an Ex cel 10 W 7761 Remote Input/Output Device.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 18 74-2699 It is important to understand these interrelationships early in the job engineering process to ensure implementing w hen configuring the controllers. (See Application Step 6. Configure Devices, for information on the v arious Excel 10 parameters and on Excel 10 point mapping.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 19 74-2699 NOTE: For wiring details see the E-Bus T ermination Module subsection in Step 4. For w all module wiring, US part AK3782 (non-plenum) or US part AK3792 (plenum) can be used.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 20 74-2699 Fig. 10. Bus wiring lay out for two singly terminated E-Bus segments. NOTE : See the E-Bus Termination M odule section for wiring details. IMPORTANT Notes on communications w iring: • All field wiring must conform to local codes and ordinances.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 21 74-2699 ML6161 2.2 VA TRADELINE® Damper Actuator Catalog R8242A 21.0 VA TRADELINE® Contactor for fan Catalog in-rush rating M6410A Steam 0.7 VA TRADELINE® Heating Coil Valve Catalog, 0.32A at 24 Vac TOT AL: 29.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 22 74-2699 No installation should be designed where the line loss is greater than two volts to allow for nom inal operation if the primary voltage drops to 102 Vac (120 Vac minus 15 percent).
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 23 74-2699 M10 090 24 VA C 12 0 / 240 VAC TRAN SFORMER EARTH` GROUND 24 25 1 EART H` GROUND 24 25 1 EARTH ` GROUND 24 25 1 W7761A W77 61A W7761A Fig. 13. Power w iring details for two or more Excel 10s per transformer.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 24 74-2699 • Make earth ground connections w ith the shortest possible wire run using 14 AWG (2.0 mm 2 ) wire. A good earth ground is essential for W7761A operation. Ideally, connect the earth ground to the ground bus at a motor control center or circuit breaker panel.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 25 74-2699 3/8` (1 0) ST R IP 3 /8 IN . ( 10 MM ) F RO M WI RES ` TO BE A TTACHE D AT ONE TE RMINAL. 1 . 2 . T WIST WIRES TOGETHER ` WITH P LIERS (A MINIMUM ` OF THREE TURNS). TWO 14 A WG` (2.0 MM 2 ) WIRES 3 . CUT TWI ST ED END O F WIRES TO 3/16 IN.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 26 74-2699 GROU ND 5 Analog ground AI-1 4 Analog Input 1 resistance 3 Not Used 2 Not Used EGND 1 Earth Ground See Fig. 20 to wire a pneumatic transducer to a W 7761A. 12345678 E-BUS 24 VAC W7761A REMOTE I/O DEVICE 1 2 1 2 EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 27 74-2699 1 E-B 1 2 3 4 56 78 W 7 761 A RE M O T E I/O DE V IC E EAR T H GR O U ND 91 0 1 1 1 2 1 4 1 5 31 30 2 9 2 8 27 26 2 5 24 23 22 2 1 20 GR O U N D E- BU S.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 28 74-2699 12345678 E-BUS 24 VAC W7761A REMOTE I/O DEVICE 1 2 1 2 EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM. USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM 2 ) WITH A MINIMUM OF 18 AWG (1.O MM 2 ), FOR EARTH GROUND WIRE.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 29 74-2699 12345678 E-BUS 24 VAC W7761A REMOTE I/O DEVICE 1 2 1 2 EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM. USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM 2 ) WITH A MINIMUM OF 18 AWG (1.O MM 2 ), FOR EARTH GROUND WIRE.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 30 74-2699 12345678 E-BUS 24 VAC W7761A REMOTE I/O DEVICE 5 E GND GND GND GND NOT USED NOT USED AI-1 OHM AI-2 OHM 9 1 01 11 2 1 4 J 3 15 31 30 29 28 27 26 25 24 23.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 31 74-2699 M12690 PART NO. 209541B TERMINATION MODULE PART NO. 209541B TERMINATION MODULE W7753A 14 15 14 15 W7753A 14 15 W7753A BROWN BROWN ORANGE ORANGE Fig. 21. Ty pical E-Bus termination module w iring diagrams (place a w ire nut on each remaining wire that is not connected to a controller or device).
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 32 74-2699 Fig. 22. E-Bus termination wiring options..
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 33 74-2699 Step 5. Orde r Equipment After compiling a bill of materials through completion of the previous application steps, refer to Table 8 for ordering informa tion. Contact Honeyw ell for information about Controllers and W all Modules w ith no logo.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 34 74-2699 Table 8. Excel 10 W7761A Dev ice Ordering Information (Continued). Part Number Product Description Comments Sensors (Continued): C7031J1050 Av eraging Discharge/Return Air Temperature Sensor. 20 Kohm NTC Duct element cord length 12 ft.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 35 74-2699 Table 8. Excel 10 W7761A Dev ice Ordering Information (Continued). Part Number Product Description Comments Accessories (Continued): ML6474A1008 D irect Coupled Actuator, 132 lb-in. torque, Series 60 — ML6185A1000 D irect Coupled Actuator, 50 lb-in.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 36 74-2699 Table 8. Excel 10 W7761A Dev ice Ordering Information (Continued). Part Number Product Description Comments Cabling (Continued): Honeyw ell AK3752 (typical or equivalent) Outputs/Power: 14 to 18 AW G (2.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 37 74-2699 Table 9. Excel 10 Alarms. Name of alarm or error bit Alar m ty pe number Meaning of alarm code or error bit RETURN_T O_NORM AL 128U Return to no alarm after being in an alarm condition. This code is added numerically to another alarm code to indicate that the alarm condition has returned to normal.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 38 74-2699 Table 10. LED States. Alarm Condition Hardwa re or Software Failure Service LED Blink Rate (Cy c les per second) None None 1 Any alarm condition None 2 Don't Care Failed steady ON or OFF 1. Off—no power to the processor.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 39 74-2699 M11616 T7780A BYPASS PUSHBUTTON Fig. 26. By pass pushbutton location on T7780 DDWM. APPENDICES Appendix A. Using E-Vision to Commission a W7761 Device. CARE/E-Vision must be used to configure the W 7761 device.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 40 74-2699 This procedure w ill use switching logic to add the pseudo analog point. W ith the RIO plant having the focus, go into switching logic. Select the Software Points menu item and then Pseudo Analog . The Create/Select Software Point < Va > dialog box w ill be displayed.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 41 74-2699 Custom Mapping function. From there it can be used w ith other Excel 10 controllers (referenced) on the E-Bus, that are used in the Zone Manager control strategy or switching logic, or are used w ith Excel 5000 controllers on the C-Bus.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 42 74-2699 displayed. Select the project and the Zone manager w ithin that project that is being exported and the Export button. Exit CARE and Start E-Vision. Select the E-Vision project to open and the CARE Export Filename created prev iously.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 43 74-2699 The T 7770A,B,C,D wall module is the room space temperature sensor—(current feature that can be used with the RIO Device). W hen it is configured, it provides the temperature input that can be shared w ith the W 7750 or W 7751 controllers.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 44 74-2699 Appendix C. Complete List of Excel 10 W7761A Remote I/O Device User Addresses. C1. Input/Output Points. C2. Control Parameters. C3. Status Points. C4. Configuration Parameters. C5. Direct Access And Special Points.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 45 74-2699 Table C1. Input/Output Points (Left). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Name States plus Range.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 46 74-2699 Table C1. Input/Output Points (Right). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Parameter (P), Sch.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 47 74-2699 Table C1. Input/Output Points (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Name States .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 48 74-2699 Table C1. Input/Output Points (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Paramete.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 49 74-2699 Table C1. Input/Output Points (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Nam e S tates pl us Range State Default DI3Sel1Type nciri oI oSelect Digit al I n2S1 See DI1Sel 1Type E ng.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 50 74-2699 Table C1. Input/Output Points (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Paramete.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 51 74-2699 Table C1. Input/Output Points (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Name States plus Range State Default DO2Type nc irioIoSel ec t DigitalOut1 Refer t o t he Eng.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 52 74-2699 Table C1. Input/Output Points (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Paramete.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 53 74-2699 Table C1. Input/Output Points (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Name States .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 54 74-2699 Table C1. Input/Output Points (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Paramete.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 55 74-2699 Table C2. Control Parameters (Left). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Nam e States plus Range.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 56 74-2699 Table C2. Control Parameters (Right). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Parameter (P), Sche.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 57 74-2699 Table C3. Status Points (Left). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Name States plus Range State.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 58 74-2699 Table C3. Status Points (Right). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Parameter (P), Schemati .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 59 74-2699 Table C3. Status Points (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Field Name States plus R.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 60 74-2699 Table C3. Status Points (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Parameter (P),.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 61 74-2699 Table C3. Status Points (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvNam e Fi el d Nam e States pl.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 62 74-2699 Table C3. Status Points (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Parameter (P),.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 63 74-2699 Table C4. Configuration Parameters (Left). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Fi el d Nam e States pl.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 64 74-2699 Table C4. Configuration Parameters (Right). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Parameter (P).
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 65 74-2699 Table C4. Configuration Parameters (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Fi el d Name .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 66 74-2699 Table C4. Configuration Parameters (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Par.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 67 74-2699 Table C4. Configuration Parameters (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Fi eld Name S.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 68 74-2699 Table C4. Configuration Parameters (Right Continued). Share (SH), M ap (MA), Direct A ccess (DA ) E-Visi o n (E V): Cali brate (C), M o n i tor (M), Par.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 69 74-2699 Table C4. Configuration Parameters (Left Continued). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvName Fi eld Name States plus Range S tate Default DO6PW MPeriod nciPW MConfi g2 DO5.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 70 74-2699 Table C5. Direct Access A nd Special Points (Left). Engineering Units: English (Metric) or Digital State or Value of User A ddress NvNam e Fiel d Nam e .
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 71 74-2699 Appendix D. Q7750A Excel 10 Zone Manage r Point Estimating Guide . Memory size approx imation is shown below : (all sizes in bytes) W hen memory si ze is less than 110,000 bytes, the size is O K. W hen memory si ze is between 110,000 and 128,000 by tes, the application may be too large.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 72 74-2699 Appendix E. Sens or Data for Ca libration. Resistance Sensors. Sensor Ty pe: C7100A1015, (and C7170A1002). Sensor Use: Discharge air, Outdoor air. Table E-1 lists the points for Sensor Resistance v ersus Temperature.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 73 74-2699 Table E-2 lists the points for Sensor Resistance v ersus Temperature. Fig. E-2 show s the graph of these points. Table E-2. Sensor Resistance Versus Temperature. °F (°C) Resistance Ohms 30 (-1.1) 1956.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 74 74-2699 65 (18.3) 8660.16 70 (21.1) 8399.98 75 (23.9) 8139.79 80 (26.7) 7879.61 85 (29.4) 7619.42 90 (32.2) 7359.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 75 74-2699 85 8.69 90 9.09 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 VOLTS PERCENTAGE SENSOR VOLTAGE VERSUS HUMIDITY PERCENTAGE M11610 Fig.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 76 74-2699 HUMIDITY IN PERCENT RELATIVE HUMIDITY CURRENT IN MILLIAMPS 4 18 8 16 6 14 12 20 10 10 M3131B 5.6 7.2 8.8 10.4 12.0 13.6 15.2 16.8 18.4 10 20 30 40 50 60 70 80 90 20 100 90 80 70 60 50 40 30 RH (%) I (mA) 0 Fig.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 77 74-2699 Fig. E-6. Graph of Sensor Current versus Enthalpy (volts). See Fig. E-7 for a partial psychometric chart for the a C7400A Solid State Enthalpy Sensor.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 78 74-2699 Sensor Ty pe: T7242 or equivalent. Sensor Use: CO 2 concentration. Table E-9 lists the points for Sensor Voltage versus C O 2 concentration. Fig. E-9 show s the graph of these points. Table E-9. Sensor Voltage Versus CO 2 Concentration.
EXCEL 10 W7761A INPUT/O UTPUT DEVICE 79 74-2699 Voltage to A/D Sensor Voltage 0.00 0.00 0.50 0.25 1.00 0.50 1.50 0.75 2.00 1.00 2.50 1.25 3.00 1.50 3.50 1.75 4.00 2.00 4.50 2.25 5.00 2.50 5.50 2.75 6.00 3.00 6.50 3.25 7.00 3.50 7.50 3.75 8.00 4.00 8.50 4.
74-2699 J.D. 6-98 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. www. honeywell. com 3.00 (0.75) 6.80 3.50 (0.87) 7.60 4.00 (1.00) 8.40 4.50 (1.12) 9.20 5.00 (1.25) 10.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.
An important point after buying a device Honeywell W7761A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell W7761A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell W7761A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell W7761A you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell W7761A will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell W7761A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell W7761A.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell W7761A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell W7761A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
