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Honeywell 40003916 Powerhead Installation Instructions

Replacement powerhead for the v4043, v4044, v8043, and v8044 fan coil and zone valves.
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40003916 Powerhead
APPLICATION
The 40003916 is a replacement powerhead for the
V4043, V4044, V8043, and V8044 fan coil and zone
valves. See Table 1. The powerhead includes the motor,
housing, and 2 mounting screws. Models are available
for low or line voltage applications.
This powerhead is for use with new style valve bodies
(series 6) or old style valve bodies (series 1-5) that have
been converted to accept this powerhead. The new style
valve bodies are identified with a sideways 6 on the
powerhead after the OS number and an indent under the
OS number on the powerhead. See Fig.1. If using an old
style valve, the valve must be converted using Part No.
40003918 (order separately).
Fig. 1. Sideways number after OS number on
powerhead identifies valve series.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition.
2. Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
SYSTEMS WITH OLD STYLE VALVE BODIES
(SERIES 1-5)
To install this powerhead in a system with an old style
valve body (series 1-5), the valve body must be
converted to accept 40003916 Powerhead using Part
No. 40003918 Conversion Kit. The kit includes a metal
plate with driveshaft and rubber plug, O-ring, and 4
screws.
IMPORTANT
COVER
RETAINING
SCREW
OS AND SERIES NUMBER
M16861

INSTALLATION INSTRUCTIONS

3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
CAUTION
Disconnect power supply before connecting
wiring to prevent electrical shock or
equipment damage.
Converting the valve body for use with the new
powerhead does not require removal of the
valve body from the pipeline. It is, however, nec-
essary to drain the water from the system
before beginning the conversion.
1. Disconnect power supply before connecting wiring
to prevent electrical shock or equipment damage.
2. Disconnect the leadwires to the powerhead at ter-
minal block or conduit connection. Remove conduit
or cable connector if fitted. Label each wire for
rewiring later.
3. Drain the water from the system.
4. Remove the old powerhead from the valve body.
(See Fig. 2.)
Place the manual opening lever (normally
closed models only) on the old powerhead in
the MAN. OPEN position. (Fig. 2A.)
Remove the cover. (Fig. 2B.)
With the cover off, remove the 4 screws
securing the powerhead to the valve body.
Lift the powerhead off the valve body. (Fig.
2C.)
Remove the O-ring from the top of the valve
body.
Place Bar Code Here
69-0404-02

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   Summary of Contents for Honeywell 40003916 Powerhead

  • Page 1: Installation Instructions

    Part No. valve body (series 1-5), the valve body must be 40003918 (order separately). converted to accept 40003916 Powerhead using Part No. 40003918 Conversion Kit. The kit includes a metal plate with driveshaft and rubber plug, O-ring, and 4 screws.
  • Page 2 40003916 POWERHEAD Table 1. Powerhead Replacements Valve Model Replacement Powerhead Part Number Voltage (Vac) Current Draw Type of Electrical Comments Number and Frequency Connections Electrical Connection Electrical Connection (Hz) on Manual Opener Opposite Manual Opener V4043A 40003916-024 — 120, 60 0.08...
  • Page 3: Installing

    40003916 POWERHEAD 5. Install 40003918 Conversion Kit (See Fig. 3). — If fitted, reconnect the conduit or cable. — Insert new O-ring in the valve body. Reconnect the leadwires. — Place metal plate with rubber plug on top of —...
  • Page 4 MAN. NOTE: Honeywell zone valves are designed and tested OPEN position. The stop permits the valve to be locked for silent operation in properly designed and in the open position.

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