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Mounting Surface Mount Model (L4006H); Wiring - Honeywell Aquastat L4006A Installation Instructions Manual

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6. Make sure the end of the well fits into the hole in the
case. Position the immersion well clamp snugly
over the well flange and tighten the clamp screw
securely.

Mounting Surface Mount Model (L4006H)

The L4006H is designed for surface mounting on piping or
tank and can be mounted in any position.
When mounting the L4006H on piping, the pipe should be
1 in. (25 mm) diameter or larger for accurate temperature
sensing.
1. Remove any insulation from the pipe.
2. Thoroughly scrape off all scale, rust or paint.
3. Mount controller as shown in Fig. 3 using adjustable
12 in. (294 mm) pipe strap furnished.
When mounting the L4006H on a tank, use a pipe strap of
appropriate length, approximately 6-10 ft (17.6- 29.4m) for
the tank (not provided). Fit the pipe strap through the slot
in the mounting bracket. See Fig. 3.

Wiring

WARNING
Electrical Shock Hazard.
Can cause serious injury, death or equipment
damage.
Disconnect power supply before connecting wiring
to avoid electrical shock or equipment damage.
All wiring must comply with local codes and ordinances
regarding wire size, insulation, enclosure, etc. See Fig. 4
and 5 for typical diagrams of Aquastat® Controllers used
in heating systems.
Use these Aquastat Controllers with copper wire only.
24 VOLT
THERMOSTAT
LOW WATER
CUTOFF
2
L4006A OR
L4007A
GAS
LOW LIMIT
VALVE
AQUASTAT¨
CONTROLLER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROJECTION AS REQUIRED.
2
USE L4006E FOR MANUAL RESET.
Fig. 4. Typical hookup for gas-fired system with
domestic hot water.
PRESSURE
CONTROL
L1
(HOT)
L2
1
PILOTSTAT¨
CONTROL
M2856
L4006A,B,E,H AQUASTAT® CONTROLLERS
PIPE
12 IN.
ADJUSTABLE
PIPE
STRAP
Fig. 3. Mount L4006H directly on surface.
24 VOLT
THERMOSTAT
RA832A
SWITCHING RELAY
T
T
2
1
4
X
X
L4006B OR L4007B
CIRCULATOR
AQUASTAT¨
CONTROLLER
2
L4006A OR L4007A LOW LIMIT
AQUASTAT¨ CONTROLLER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2
USE L4006E FOR MANUAL RESET.
Fig. 5. Hookup for oil-fired, summer-winter, hydronic
system with domestic hot water. This is typical where
control for domestic hot water is added, or where
each Aquastat Controller is mounted in a separate
3
ENCLOSED
SENSING BULB
AQUASTAT
CONTROLLER CASE
1
L4006A OR L4007A
HIGH LIMIT
L1
L2
AQUASTAT¨
(HOT)
CONTROLLER
IGNITION
CIRCULATOR
BURNER
PROTECTORELAY¨
CONTROL
M2855A
location.
60-0915—5
MOUNTING
BRACKET
M8771A
1
2
4
3
T
T

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Aquastat l4006eAquastat l4006hAquastat l4006b