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resideo Multiple Aquastat L4081A, Quick Start Manual

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resideo Multiple Aquastat L4081A Quick Start Manual Download Page 6

L4081A,B AND L6081A,C MULTIPLE AQUASTAT® CONTROLLERS

60-2105—07

6

Fig. 7. L4081A used with burner cycled from the water temperature.

Fig. 8. L4081A used with oil burner.

T

T

L1 

(HOT)

L2

1

2

1

2

2

4

3

1

CIRCULATOR

1R1

1R

24V

THERMO-

STAT

B

R

B

R

RA89A SWITCHING RELAY

L4081A

HIGH LIMIT

LOW LIMIT

M8788A

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD 

PROTECTION AS REQUIRED.

B TERMINALS ARE TAB TERMINALS.

L1 

(HOT)
L2

1

GAS VALVE

PILOTSTAT® 

CONTROL

T

T

T

T

X

X

L1 

(HOT)

L2

1

2

1

2

1

2

4

3

1

CIRCULATOR

1R1

1R2

1R

24V

THERMOSTAT

B

R

B

R

RA832A SWITCHING RELAY

L4081A

HIGH LIMIT

LOW LIMIT

OIL PRIMARY

CONTROL

L2

L1

(HOT)

JUNCTION 

BOX

M8786A

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD 

PROTECTION AS REQUIRED.

B TERMINALS ARE TAB TERMINALS.

BLACK

WHITE

Summary of Contents for Multiple Aquastat L4081A

Page 1: ...The other switch operates as a low limit and or circulator control depending on the model Controller may be mounted in any positioning and needs no leveling Separate easy to read calibrated dial and setpoint adjustments for each switch Differential adjustment on low limit or circulator switch All adjustments accessible inside front cover Push in terminals for quick connecting Single sensing elemen...

Page 2: ...if well is needed refer to form 68 0040 for ordering information bDevice is less case and cover Scale Markings For Fahrenheit models High Limit 160 180 200 220 F Low Limit or Circulator 120 140 160 180 200 F For Celsius models High Limit 55 65 75 85 95 C Low Limit or Circulator 45 55 65 75 85 95 C Differentials High Limit 10 F 6 C nominal Low Limit or Circulator L6081A C 10 to 25 F 6 to 14 C adjus...

Page 3: ...sius scale on L4081A Accessories ordered separately 126580 Setting Stop Used to prevent turning setting knob beyond a predetermined point 124904 Well Adapter Use to convert mounting on some competitive wells to fit L4081 L6081 See form 68 0040 7 8 IN 22 MM DIA KNOCKOUT FOR 1 2 IN 12 5 CONDUIT 6 1 3 16 30 2 3 64 63 4 3 32 125 5 3 4 19 2 2 1 13 64 30 5 2 1 13 64 30 5 WELL CLAMP SCREW MAXIMUM INSERTI...

Page 4: ...a tion or 6 3 8 in 162 mm if designed for 3 in 76 mm insulation If this requires bending the tube inside the case insert the end of your index finger through the hole and carefully mold the tube into the correct shape as you gently pull or push the bulb to the correct posi tion The bulb must project the right distance so that after the case in installed the spring force of the capil lary tube hold...

Page 5: ...no 14 or 16 unistranded wire for connecting the push in terminals 2 Strip the insulation from the end of each wire 3 Insert a screwdriver into the rectangular slot near the terminal and hold it in the slot while inserting the wire into the terminal hole as far as possible 4 Remove the screwdriver when complete Jumper When using the controller field addable jumper Fig 4 connect terminals R R When t...

Page 6: ... LIMIT LOW LIMIT M8788A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED B TERMINALS ARE TAB TERMINALS L1 HOT L2 1 GAS VALVE PILOTSTAT CONTROL T T T T X X L1 HOT L2 1 2 1 2 1 2 4 3 1 CIRCULATOR 1R1 1R2 1R 24V THERMOSTAT B R B R RA832A SWITCHING RELAY L4081A HIGH LIMIT LOW LIMIT OIL PRIMARY CONTROL L2 L1 HOT JUNCTION BOX M8786A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVER...

Page 7: ...s at 155 F 69 C On a temperature fall the switch makes at 130 F 55 C L4081B Setpoint of 140 F 60 C differential set at 25 F 14 C On a temperature rise the switch makes at 155 F 69 C On a temperature fall the switch breaks at 130 F 55 C L6081A B Setpoint of 140 F 60 C differential set at 25 F 14 C On a temperature rise R B breaks and R W makes at 155 F 69 C On a temperature fall R B makes and R W b...

Page 8: ...tching response to temperature changes LOW LIMIT SETTING HIGH LIMIT SETTING SWITCH BREAKS ON RISE BURNER TURNS OFF SWITCH MAKES ON FALL BURNER OPERATES ON A CALL FOR HEAT SWITCH BREAKS ON RISE 10 F 5 6 C DIFFERENTIAL SWITCH MAKES ON FALL BURNER ON M8847B SWITCH BREAKS ON RISE 25 F 13 9 C DIFFERENTIAL 10 F 5 6 C DIFFERENTIAL 25 F 13 9 C DIFFERENTIAL 10 F 5 6 C DIFFERENTIAL CIRCULATOR SETTING HIGH L...

Page 9: ...on container May also contain minute amounts of lithium and molybdenum lubricant compounds Section 3 Hazard Identification Acute Health Effects Skin Excessive contact can cause skin irritation and dermatitis Eye Direct contact with eye will cause irritation Inhalation No adverse effects are expected Ingestion Ingestion of product may cause nausea vomiting and diarrhea Chronic Health Effects Existi...

Page 10: ...r faceshield if potential for eye contact exists especially if material is heated Hand Clothing Protection Not normally required Protective gloves and clothing are recommended as material is difficult 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 Wat...

Page 11: ...L4081A B AND L6081A C MULTIPLE AQUASTAT CONTROLLERS 11 60 2105 07 ...

Page 12: ...Technologies Inc All rights reserved This product is manufactured by Resideo Technologies Inc and its affiliates www resideo com Resideo Technologies Inc 1985 Douglas Drive North Golden Valley MN 55422 1 800 468 1502 60 2105 07 M S Rev 04 20 Printed in United States ...

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