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Honeywell Aquastat L4007 Product Data

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L4006,7,8; L6006,7,8
Aquastat
FOR SURFACE
MOUNTING

GENERAL

®
Aquastat
Controllers are immersion type devices for limiting
or regulating the temperature of liquids in boilers, storage
tanks, and other applications where temperature control is
required.
®
Controllers
FOR VERTICAL
MOUNTING AND
HORIZONTAL
SENSOR
INSERTION
WITH REMOTE BULB

FEATURES

• L4006, 7, and 8 provide Spst switching for high or low
limit or circulator control.
• L4006G includes two Spst switches that provide high
limit and circulator control.
• L4006,7; L6006,7 models are available for insertion in:
vertical or horizontal immersion well, vertical or
horizontal direct immersion, and surface mounting.
• L4008, L6008 include remote bulb for mounting
controller at a location away from the sensing element.
• Totally enclosed Micro Switch™ snap-acting switches
operate on temperature rise to set point.
• Models calibrated for high limit use are also suitable
for low limit control if a separate high limit controller
is used.
• Visible control point scale and external adjustment
screw, permit easy setting.
• Remote bulb models may be used to sense air
temperature in ducts and in outside air sensing
applications.
General .............................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Operation .......................................................................... 14
Adjustments ...................................................................... 15
Checkout .......................................................................... 17
Material Safety Data Sheet .............................................. 18
PRODUCT DATA
Contents
1
1
2
2
8
60-2104-10

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  Summary of Contents for Honeywell Aquastat L4007

  • Page 1: Table Of Contents

    L4006,7,8; L6006,7,8 ® Aquastat Controllers PRODUCT DATA FEATURES FOR VERTICAL • L4006, 7, and 8 provide Spst switching for high or low MOUNTING AND limit or circulator control. HORIZONTAL • L4006G includes two Spst switches that provide high SENSOR limit and circulator control. INSERTION •...
  • Page 2: Specifications

    If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory). 2. Honeywell Customer Care...
  • Page 3 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Approvals: Underwriters Laboratories Inc: 1 (25) Remote bulb devices and well-mounted devices shipped without well are component recognized: KNOCKOUT FOR 3/4 (19 ) 5/16 CONDUIT ON ALL MODELS. SIMILAR File No. MP466, Guide No. MBPR2. KNOCKOUT ON BOTTOM FOR L4006A shipped with well, L4006G, L4007A,B;...
  • Page 4 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS 1/2 — 14 IN. NPT 7/8 IN. (22 MM) STANDARD 7/16 KNOCKOUT (2) (11) M8789A 1-1/2 (38) 3 (76) (25) Fig. 4. Approximate immersion well dimensions in inches (mm) for all models except L4006C and L6006B. 1/2 OR 3/4 —...
  • Page 5 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Standard Models: L4006,A,B,C,E,G; L4007,A,B; L4008A,B.E; L6006A,B,C; L6007A, L6008,A,G,H Table 1. L4006, L4007, L4008 Controller (SPST Switching) Specifications. Midscale Switching On Range Differential Temperature Model Application °F (°C) °F (°C) Insertion Rise Available Options L4006A High or low 40°...
  • Page 6 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Table 1. L4006, L4007, L4008 Controller (SPST Switching) Specifications. (Cont.) Midscale Switching On Range Differential Temperature Model Application °F (°C) °F (°C) Insertion Rise Available Options L4006G High limit 100° F to 200° F 10° F (6° C) fixed Horizontal Two switches —...
  • Page 7 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Table 2. L6006, L6007, L6008 Controller (SPDT Switching) Specifications. Midscale Range Differential Model Application °F (°C) °F (°C) Insertion Available Options L6006A Circulator and low 100° F to 240° F 5° F (3° C) fixed Horizontal —...
  • Page 8: Installation

    ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS INSTALLATION The manufacturer usually provides a tapping for insertion of the controller sensing element. This tapping is located at a point where typical water temperature can be measured. Depending on the model, the element is inserted in an When Installing This Product…...
  • Page 9: L4006,7,8; L6006

    ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS 2. Insert the immersion sensing bulb through the bulb compression fitting. Adjust the adapter clamp so that the clamp fits over the groove at the opening of the bulb compression fitting. SETPOINT 3. Tighten the adapter clamp screws so that the Aquastat INDICATING DIAL Controller is firmly attached to the bulb compression DIFFERENTIAL...
  • Page 10 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS CLAMP B CLAMP SCREWS (2) CLAMP A BULB BULB COMPRESSION SEALING FITTING WASHER JAWS SPREAD JAWS TO FIT OVER RIDGE ON WELL SPUD INSERTION LENGTH SCREWDRIVER APPROX. 3-3/16 IN. (81 MM) SPLIT SLEEVE M8815A MOUNTING CLAMP Fig.
  • Page 11 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Mounting Remote Bulb Models For Outdoor Air Sensing These models have a 5 ft (1.5 m) capillary that establishes the maximum distance between the case and the outdoor mounting. Install the bulb on the outside of the building in the shield provided (See Fig.
  • Page 12 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Mounting on Suction Line Wiring 1. In cooling units with more than one suction line, place Disconnect power supply before beginning installation to the sensing bulb on the common line. prevent electrical shock or equipment damage. 2.
  • Page 13 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS 24 VOLT PROTECTORELAY THERMOSTAT CONTROL L4006A OR L4007A (HOT) HIGH LIMIT RA832A ® AQUASTAT L4006A OR L4007A HIGH SWITCHING RELAY (HOT) CONTROLLER LIMIT CONTROLLER 24 VOLT THERMOSTAT IGNITION IGNITION CIRCULATOR L4006B OR L4007B CIRCULATOR OIL VALVE BURNER ®...
  • Page 14: Operation

    ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS L4006 HIGH LIMIT (HOT) L2 SERIES 80 CONTROLLER THERMOSTAT MILLIVOLTAGE THERMOSTAT L6006 CIRCULATOR MILLIVOLTAGE VALVE OPERATOR LOW LIMIT SAFETY CONTROL SHUTOFF PILOT PILOTSTAT¨ OPERATOR BURNER POWER UNIT COIL L8148A POWER UNIT COIL M1156A Fig. 27. Typical Powerpile System wiring diagram. LOW VOLTAGE HEATING LOAD LINE VOLTAGE...
  • Page 15: Adjustments

    ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Low Limit Controller R-B terminals provide low limit switching function (contacts open at set point on temperature rise). Maintains minimum boiler temperature for domestic hot water. Turns on boiler at temperature setting, less differential. BREAKS R-B MAKES R-W ON RISE LEFT SWITCH...
  • Page 16 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Adjust the control point to correspond with the boiler Table 3. Temperature Adjustments. manufacturer recommendations. To adjust, insert a screwdriver in the slotted screw type head located beneath the Difference Between Desired window in the cover. Turn the scale to the desired control point. Room Temperature and Case Temperature Reduce Dial Setting...
  • Page 17: Checkout

    ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS CHECKOUT Check to make certain that the Aquastat Controller is properly installed and adjusted. Put the system into operation and observe the action of the controller through several cycles to make certain it provides proper control of the system as WARNING described in the OPERATION section.
  • Page 18: Material Safety Data Sheet

    ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS MATERIAL SAFETY DATA SHEET Section 1. Product And Company Manufacturer: Honeywell Inc., 1985 Douglas Drive North, Minneapolis, MN 55422. Identification Date Released: October 8, 1999 Product Name: Heat Conductive Compound NFPA Ratings: MSDS ID: DS9021 Health 0;...
  • Page 19 ® L4006,7,8; L6006,7,8 AQUASTAT CONTROLLERS Section 6. Accidental Release Measures Reactivity: Hazardous polymerization will not occur. Scrape up and dispose of as solid waste in accordance with Incompatibilities: Strong oxidizing agents and halogens. state and federal regulations. Hazardous Decomposition Products: Carbon dioxide, Section 7.
  • Page 20 CONTROLLERS Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered Trademark © 2006 Honeywell International Inc. 60-2104—10 J.I. Rev. 12-06...