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HONEYWELL W7751H2025 Excel 10 smart VAV controller

HONEYWELL W7751H2025 Excel 10 smart VAV controller. The W7751B,D and F are VAV II Controllers in the Excel 10 family product line. These VAV controllers provide pressure independent or pressure dependent air flow control and series and parallel (induction) fan control using single and dual duct applications. VAV systems generally provide cool air only to the zones. The W7751 controllers provide additional outputs that control VAV box reheat coils. The heaters can be staged electric or modulating hot water. Supply and exhaust pressurization control are provided on a zone basis. W7751H and J Smart VAV Actuator are factory-integrated VAV Box Controllers with a 90 second ML6161B Direct-Coupled Actuator in the Excel 10 family product line.


Uses Echelon LonWorks protocol.

W7751B,D,F use Free Topology Transceiver (FTT) networks and are compliant with VAV device object type number 8010 functional LonMark profile.

Energy saving setpoint reset for electrical demand limit control.

Actuator included with W7751H mounts directly onto VAV box damper shaft and has up to 35 lb. in. torque, 90 degrees stroke, and 90 sec.

Timing at 60 Hz.

High speed 78 kilobit communications network.

Capable of standalone operation, but uses E-Bus network communications.

Easy user-access to the network communications jack.

Uses enhanced microbridge-type airflow sensor with dual integral restrictor design.

Easy user-access to airflow sensor inputs.

Provides Proportional Integral Derivative (PID) temperature control.

Designed for pressure independent Variable Air Volume (VAV) control.

Floating hot water and three-stage electric or modulating hot water heat.

Provides nonlinear floating algorithm for velocity control loops.

Individual zone pressurization for supply and exhaust control.

Factory configured via EEPROM with critical user parameters default values.

Motion sensor interface for enhanced energy savings.

Supports Terminal Regulated Air Volume (TRAV) concept.

Pressurize and depressurize, night purge, and morning warm-up sequences supported.

Wall module options for sensor, setpoint and bypass.

Software selectable limits on remote setpoint adjustments.

Three integrated 8 bit pipelined microprocessors running at 10 MHz.

14 bit A/D converter.

32K by 8 ROM/PROM, 512 bytes of EEPROM, and 2048 bytes of static RAM.

W7751D,F mount to a standard 4 x 4 in. and 5 x 5 in. junction box or snapped to 35 by 7.5mm EN50022 DIN Rail.

Subbase provides the slotted hole pattern for the R7450 series IRC devices (118x87 mm).

Product Specifications:

Description: Excel 10 Smart VAV Actuator.

Application: VAV Terminal Box.

Network Communications: LonWorks Bus.

Commissioning Software: CARE.

Commissioning Software: LonSpec.

Commissioning Software: RapidZone.

Commissioning Software: LNS Plug-in.

Output Type: Pulse Width Modulation, Floating, Staged On/Off.

Compatible With: See Application Selection Guide (63-7045).

Contact Ratings: Has UUKL approval for use on fire systems.

Frequency: 50/60 Hz.

Power Consumption: 6 VA.

Voltage: 24 Vac with a valid range of 20 to 30 Vac.

Setpoint Temperature Range (F): 45 to 99 F.

Setpoint Temperature Range (C): 7 to 37 C.

Dimensions (in.): 5 7/8 in. high x 4 1/16 in. wide x 3 3/4 in. deep.

Dimensions (mm): 149 mm high x 103 mm wide x 95 mm deep.

Operating Temperature Range (F): 32 F to 125 F.

Operating Temperature Range (C): 0 C to 50 C.

Shipping Temperature Range (F): -40 F to +150 F.

Shipping Temperature Range (C): -40 C to +65 C.

Operating Humidity Range (% RH): 5 to 95% RH, non-condensing.

Approvals, Canadian Standards Association: Canadian Standards Association Listed: File number LR95329-3.

Approvals, Federal Communications Commission: FCC Meets FCC part 15 Class A requirements.

Includes: ML6161 Actuator mounted directly on the VAV box.

Comments: UUKL approval for use on fire systems.

This product was added to our catalog on Wednesday 07 December, 2005.

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