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What are the primary features of the HONEYWELL V8043C motorized zone valve?
The HONEYWELL V8043C offers several key features for dependable operation:
Quiet, dependable operation provided by a motor-operated powerhead and swing-type ball valve.
A unique rotating ball plug that seats on a different part of its surface on each closing.
The valve closes against the flow of water to assure quiet operation.
A manual opener allows the ball to move away from the seat, enabling installation without disassembly.
Manual operation is possible during power failures.
Easy servicing as the entire powerhead assembly can be replaced without removing the valve body from the line.
Low power requirements allow up to four valves to be operated from a single 40 VA transformer.
Compact construction permits fitting under the cover of most baseboards.
What are the water pressure and capacity ratings for the HONEYWELL V8043C?
| Rating Type | Value |
|---|---|
| Close-off Pressure (1.0 Cv) | 50 psi |
| Close-off Pressure (3.5 Cv – Standard) | 20 psi |
| Close-off Pressure (8.0 Cv) | 8 psi |
| Static Pressure (Standard) | 125 psi |
| Static Pressure (High Pressure Models) | 300 psi |
What are the temperature ratings for the HONEYWELL V8043C?
Liquid: 4 degrees Celsius to 93 degrees Celsius (40 degrees Fahrenheit to 200 degrees Fahrenheit).
Ambient: 4 degrees Celsius to 52 degrees Celsius (40 degrees Fahrenheit to 125 degrees Fahrenheit).
What are the power requirements and timing specifications for the HONEYWELL V8043C?
Voltage: 24 V, 50/60 Hz (cycles).
Power Consumption: 6 W nominal.
Opening Time: 15 seconds to open.
Closing Time: 4 to 5 seconds to close.
How should the HONEYWELL V8043C be mounted during installation?
The valve may be mounted in any position on a vertical line. On a horizontal line, the valve must be mounted so that the powerhead is even with or above the center line of the piping. Ensure there is enough room provided above the powerhead to remove the cover for servicing.
Mount the valve directly in the pipe or tube. It must be installed so that the arrow stamped on the side of the valve body corresponds to the flow direction.
For sweat copper fittings, ensure good solder connections are made. Do not use silver solder because of the high melting temperature it requires.
What is the important step for normally closed HONEYWELL V8043C models with sweat fittings before applying heat?
For normally closed models with sweat fittings, you must set the opener lever to the MAN. OPEN position before applying heat to the fittings. This protects the plug inside the valve by removing it from the seat. After the installation is complete, place the manual opener back into the AUTO position.
What are the different manual operation modes for the HONEYWELL V8043C?
AUTO Mode: The valve cycles with the thermostat and activates the auxiliary switch when the valve is at full open.
OPEN Mode: The valve is opened to allow the system to be filled, flushed, or drained. In this mode, the auxiliary switch is not activated. The valve returns to AUTO mode when it is energized.
SWITCH Mode (on 300 psi models only): The valve is opened and the auxiliary switch is activated to run the pump. The valve returns to AUTO mode when it is energized.
How does the HONEYWELL V8043C operate when it is a normally closed model?
With the manual opener set to AUTO and the powerhead energized, the valve opens. When the powerhead is de-energized, a spring return mechanism drives the valve to the closed position. The valve can also be opened without electrical power by moving the manual opener lever over the stop and pushing slowly and firmly to the MAN. OPEN position. The valve will return to the automatic position once energized.
What are the wiring connection specifications for HONEYWELL V8043C models?
The HONEYWELL V8043C (specifically the ‘C’ and ‘D’ models) features two low voltage 0.5 meter (18 inch) leadwires with strain relief for connection to the control circuit.
What are the physical dimensions of the HONEYWELL V8043C?
Dimensions are provided in millimeters (inches in brackets):
| Dimension Label | Measurement |
|---|---|
| A (Width) | 60 mm (2 3/8 in.) |
| B (Height to Top of Powerhead) | 79 mm (3 1/8 in.) |
| C (Clearance Below Centerline) | 22 mm (7/8 in.) |
| D (Internal Body Depth) | 19 mm (3/4 in.) |
| F (Total Height for Removal) | 98 mm (3 7/8 in.) |
| G (Total Width including Motor) | 87 mm (3 7/16 in.) |
| H (End to Centerline) | 16 mm (5/8 in.) |
What replacement powerheads are available for 125 psi HONEYWELL V8043C series valves?
| Valve Model | Replacement Powerhead Part Number |
|---|---|
| C Model | P/N 40003916-011 |
| D Model | P/N 40003916-014 |
| G Model | P/N 40003916-012 |
| F Model | P/N 40003916-013 |
What are the safety cautions regarding the wiring and power of the HONEYWELL V8043C?
Step 1: Disconnect the power supply before connecting any wiring to prevent electrical shock and equipment damage.
Step 2: Never jumper the supply wires or actuator terminals, even temporarily. Doing so may damage the thermostat.
What is the recommended thermostat heater setting for the HONEYWELL V8043C?
For proper heat anticipation when using the HONEYWELL V8043C, the thermostat heater setting should be adjusted to 0.32 Amps.
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