Honeywell Valve Actuators VU843A1004/B, VU843A1004/U, VU843A1020/U, VU843A1087/U

VU843

The VU843 humidity resistant, Fan Coil Valve Actuators are used in conjunction with VU52, VU53 and VU54 valves for controlling the flow of hot or chilled water in commercial HVAC equipment such as fan coil units, terminal reheat coils and convectors.

VU843A1004/B

Valve Actuator - 24V 50/60hz 2W- 6" Lead

VU843A1004/U

Valve Actuator - 24V 50/60hz 2W- 6" Lead

VU843A1020/U

Valve Actuator - 24V 50/60hz 2W -8" Lead

VU843A1087/U

Two-position actuator for valve bodies with 24V, 50/60Hz

Overview

Features

Compact construction for easy installation.
Fits under the cover of most baseboard convectors with actuator fitted to valve body.
One-button, quick release. Secure 3-point, metal latch to valve body.
Spring return operation.
Stainless steel case and aluminum cover. Rust-proof nickel-plated motors available.
Line or low voltage, rust-resistant motors.
Manual opener for installation and valve operation on power failure.
Valve returns to automatic position when power is restored.
Actuator may be reinstalled or serviced without draining the system or disassembling the valve.
Slotted conduit hole for faster wiring.

Product Specifications

Application: HVAC
Dimensions (in.): 2 3/8 in. high, 3 1/2 in. wide, 2 3/8 in. wide
Dimensions (mm): 62 mm high, 88 mm wide, 60 mm deep
Used With: 2-way NC VU valve body (VU53)
Materials: Stainless Case, Aluminum Cover
Comments: For controlling the flow of hot or chilled water in commercial HVAC equipment such as fan coil units, terminal reheat coils and convectors
Frequency: 50 Hz; 60 Hz
Approvals, Canadian Standards Association: Certified C/US File No. LR1322
Electrical Connections: Leads
Supply Voltage: 24V
Power Consumption: Driving-- 6 Watts
Ambient Temperature Range (F): 34 F to 125 F ambient at 200 F Fluid
Ambient Temperature Range (C): 1 C to 52 C ambient at 93 C Fluid
Internal Auxiliary Switch: 0
Fluid Temperature (C): 94 C
Fluid Temperature (F): 200 F
Actuator Type: Valve
Control Signal: Two position; SPST
Fail Safe Mode: Spring Return
Stroke (in.): 22 deg.
Timing, Nominal: Driving @ 60 Hz (sec)-- 15 sec maximum
Spring Return Timing: Nominal-- 4 sec
Maximum Differential Pressure Ratings (Close-off) (psi): Depends on Cv rating of valve
Maximum Differential Pressure Ratings (Close-off) (kPa): Depends on Cv rating of valve
Manual operation: Lever
Electrical Connections (in.): 6 in.
Electrical Connections (mm): 0.15 m

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