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Honeywell Aquastat L4006, Installation Manual, Page: 14 / 20

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Honeywell Aquastat L4006 Installation Manual Download Page 14

Installation Guide

60-2104—01 12

WIRING

M8771C

ENCLOSED
SENSING BULB

PIPE

12 IN.
ADJUSTABLE
PIPE 
STRAP

AQUASTAT
CONTROLLER CASE

MOUNTING
BRACKET

®

Fig. 18. Mounting L4006H or L6006C directly on surface.  

Use with L4006A,B; L6008A.

Fig. 19. Typical gas-fired system with domestic hot 

water. Use with L4006A,B; L6008A.

L1 
(HOT)

L2

1

1 POWER SUPPLY. PROVIDE DISCONNECT MEANS 

AND OVERLOAD PROTECTION AS REQUIRED.

PROTECTORELAY

CONTROL

L4006A OR L4007A HIGH 

LIMIT CONTROLLER

IGNITION

24 VOLT
THERMOSTAT

BURNER
MOTOR

OIL VALVE
(IF USED)

M1054C

1

2

3

4

T

T

Fig. 20. Typical oil-fired gravity system. Use with 

L4006A,B; L6008A.

L1 
(HOT)

L2

1

1 POWER SUPPLY. PROVIDE DISCONNECT MEANS 

AND OVERLOAD PROTECTION AS REQUIRED.

L6008A
CIRCULATOR AND
LOW LIMIT 
CONTROLLER

R

W

B

M8780B

COOLING
EQUIPMENT

INDICATING
LIGHT

Fig. 21. L6008A used to control cooling equipment and 

indicating light. Use with L4006A,B; L6008A.

Wiring

Disconnect power supply before beginning installation to pre-
vent electrical shock or equipment damage. 
All wiring must comply with local codes and ordinances 
regarding wire size, type of insulation, enclosure, etc. 
Figures 19 through 28 show typical hookups. 
When wiring a switch equipped with a 1/4 in. (19 mm) tab 
terminal connector, use 18 AWG to 22 AWG (0.8 mm2 to 0.3 
mm2) gauge wire with an AMP Inc. part no. 2-520129-2 fully 
insulated flag receptable connector or equivalent.

POWER SUPPLY.  PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.

USE L4006E FOR MANUAL RESET.

1

2  

M2856C

2  

L1 
(HOT)
L2

1

24 VOLT
THERMOSTAT

LOW WATER
CUTOFF

PRESSURE 
CONTROL

L4006A OR
L4007A
LOW LIMIT
AQUASTAT
CONTROLLER

GAS
VALVE

PILOTSTAT
CONTROL

®

Summary of Contents for Aquastat L4006

Page 1: ...ntrollers Aquastat Installation Guide 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 ...

Page 2: ...e ordering number 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 1885 Douglas Drive North Minneapolis Minnesota 55422 4386 In Canada Honeywell Limited Honeywell Limitée 35 Dynami...

Page 3: ...so this product is tested and calibrated under closely controlled conditions and some minor differences in performance can be expected if those conditions are changed SUPER TRADELINE TRADELINE MODELS SUPER TRADELINE controls offer features not available on TRADELINE or standard models and are designed to replace a wide range of Honeywell and competitive controls TRADELINE models are selected and p...

Page 4: ...le Insulation depth 1 1 2 in or 3 in 38 mm or 76 mm NPT brass spud 3 4 in 19 mm Screw in front of case on dial sui able for Powerpile control Factory set stop at 240 F 116 C L4006C High or low limit 65 F to 200 F 18 C to 93 C 3 1 2 F 2 C fixed Horizontal direct immersion Breaks TRADELINE model available Less cover Capillary 10 in 254 mm NPT brass spud 3 4 in 19 mm L4006Eb High limit 130 F to 290 F...

Page 5: ...irect immersion Breaks Remote capillary 5 1 2 ft 1 7 m 8 1 2 ft 2 6 m or 10 ft 3 0 m Factory set scale stops at 120 170 or 200 F 49 77 or 93 C Celsius scale markings Front cover screw L4008B Circulator 100 F to 240 F 38 C to 116 C 5 F 3 C fixed or 5 F to 30 F 3 C to 17 C adjustable Remote bulb direct immersion Makes Capillary 5 1 2 ft 1 7 m L4008Eb High limit 40 F to 80 F 4 C to 27 C or 130 F to 2...

Page 6: ... 18 C to 93 C 5 F 3 C fixed or 5 F to 30 F 3 C to 17 C adjustable Horizontal or vertical surface mounted TRADELINE model available Strap on surface mount L6007A Circulator and low limit or high limit 40 F to 180 F 4 C to 82 C Fixed Horizontal or vertical Insulation depth 1 1 2 in or 3 in 38 mm or 76 mm L6008A Circulator and low limit cooling 100 F to 240 F 38 C to 116 C or 30 F to 70 F 35 C to 21 ...

Page 7: ...ect insertion models Fig 2 Approximate installation dimensions in inches mm for remote bulb models Otherdimensions are the same as Fig 1 M8957A KNOCKOUT FOR 3 4 19 CONDUIT ON ALL MODELS SIMILAR KNOCKOUT ON BOTTOM FOR HORIZONTAL INSERTION AND REMOTE BULB MODELS 1 25 5 16 8 2 51 2 1 8 54 5 5 8 136 1 7 8 48 3 16 5 RESET BUTTON L4006E L4008E ONLY KNOCKOUT FOR 3 4 19 CONDUIT ON VERTICAL INSERTION MODEL...

Page 8: ...deline models as follows Fold the plastic bag of compound lengthwise and twist gently Snip the end of the bag and insert into the well Slowly pull out the bag while squeezing firmly to distribute compound evenly in the well Insert the bulb into the well Bend the tubing if necessary to provide force to hold the bulb against the bottom of the well and to hold the outer end of the bulb firmly in cont...

Page 9: ...m the boiler tapping 3 Install the immersion well included with the controller If the boiler tapping is greater than 1 2 in 13 mm use a reduction fitting to adapt the boiler opening to the 1 2 in 13 mm threads that are standard with the well or fitting Fittings with 3 4 in 19 mm threads are also available 4 Fill the system Make sure that the well is screwed intightly enough to prevent leakage Do n...

Page 10: ...er itself or in the feed riser about 6 in 153 mm above the boiler If the riser is valved the bulb can be installed between the boiler and the valve NOTE Do not make sharp bends or kinks in the capillary Make bends no sharper than 1 in 25 mm radius After installing the controller carefully coil the excess capillary at the bottom of the controller case 1 M8777B WELL BULB SPUD MOUNTING CLAMP A DRAW N...

Page 11: ...Capillary Compression Fitting 1 Screw the fitting into the boiler or pipe tapping 2 Place the packing nut on the tubing 3 Slide the bulb completely through the fitting 4 Place the composition disk and four slotted brass washers on the tubing in the order shown in Fig 11 Turn the brass washers so the slots are 180 degrees apart 5 Slide the seal assembly into the fitting and tighten the packing nut ...

Page 12: ...r other debris cannot obstruct circulation of air around it and where children cannot reach it Avoid vents from the building Install the case at the indoor location selected fastening the screws through holes in the back of the case Bring out the bulb and tubing through a 3 4 in 19 mm hole in the outside wall avoiding sharp bends or kinks Leave excess tubing coiled near the case Do not make sharp ...

Page 13: ...f the horizontal suction line between the coil and trap not on the trap 4 Attach the sensing bulb to the suction line with clips or straps See Fig 17 5 Coil the excess length of capillary tubing near the L6008A case 5 Coil the excess length of capillary tubing near the L6008A case Fig 16 Securing remote bulb in clip M8805B L6008A CIRCULATOR LOW LIMIT CONTROLLER CAPILLARY REMOTE BULB SUCTION LINE B...

Page 14: ...OR AND LOW LIMIT CONTROLLER R W B M8780B COOLING EQUIPMENT INDICATING LIGHT Fig 21 L6008A used to control cooling equipment and indicating light Use with L4006A B L6008A Wiring Disconnect power supply before beginning installation to pre vent electrical shock or equipment damage All wiring must comply with local codes and ordinances regarding wire size type of insulation enclosure etc Figures 19 t...

Page 15: ...nnection diagram for an oil fired hydronic heating system that provides year round domestic hot water using RA817A Fig 23 Typical oil fired hydronic heating system that provides year round domestic hot water using RA832A Use with L4006A B L6008A L1 HOT L2 1 1 2 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED WHEN USING CIRCULATOR LOW LIMIT CONTROL REMOVE L1 L2 JUMPER 2 L6...

Page 16: ...BREAKS R W MAKES R B ON FALL BREAKS R W MAKES R B ON FALL INTERSTAGE DIFFERENTIAL DIFFERENCE BETWEEN THE TEMPERATURES AT WHICH THE TWO SWITCHES MAKE R W ADJUSTABLE FROM 3 F TO 10 F 1 7 C TO 5 6 C ON STANDARD MODELS OR FROM 3 6 F TO 12 F 2 0 C TO 6 7 C 55 F TO 175 F 13 C TO 79 C MODELS TWO SPDT SWITCHES OPERATE IN SEQUENCE EACH SWITCH DIFFERENTIAL IS FIXED AT APPROXIMATELY 3 F 1 7 C ON STANDARD MOD...

Page 17: ... the wheel on the back of the snap switch See Fig 32 until the desired reading is aligned with the V notch in the frame The wheel provides an adjustment from 5 F to 30 F 3 C to 17 C Replace the cover on the Aquastat Controller 1 ADJUSTMENTS Adjust the control point to correspond with the boiler manufacturer recommendations To adjust insert a screwdriver in the slotted screw type head located benea...

Page 18: ...8A case is located in a room with a lower temperature than the controlled space Adjusting the controlled space setting dial setting is necessary to compensate for the temperature difference of 35 F 20 C between the two rooms Table 3 indicates that the dial setting should be lowered 5 F 3 C to compensate for the 35 F 20 C temperature difference Manual Reset If the device includes manual reset L4006...

Page 19: ...r Obtain medical atten tion if irritation develops and persists Ingestion Contact physician or local poison control center immediately Inhalation Remove patient to fresh Manufacturer Honeywell Inc 1985 Douglas Drive North Minneapolis MN 55422 Date Released October 8 1999 NFPA Ratings Health 0 Flammability 1 Reactivity 0 Personal Protection B Section 2 Composition Information on Ingredients Section...

Page 20: ...e gloves and clothing are recommended as material is dif ficult to remove from skin and clothing Other Protective Equipment None required Section 9 Physical and Chemical Properties Appearance Odor Aluminum color semi solid material pleasant odor Solubility in Water Negligible Specific Gravity 0 86 Section 10 Stability and Reactivity Stability Stable Reactivity Hazardous polymerization will not occ...

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