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L7224A,C; L7248A,C,L OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT
Accessories:
W8735Y1000 Wireless Outdoor Reset Kit
W8735ER1000 Wireless Outdoor Reset Module
C7089R1013 Wireless Outdoor Temperature Sensor
(requires W8735ER1000)
W8735S1000 AquaReset™ Outdoor Reset Kit
(includes 50022037-002 Outdoor Reset Module
and C7089U1006 Outdoor Temperature Sensor)
W8735S1008 AquaReset™ Domestic Hot Water Kit
(includes 50022037-005 Domestic Hot Water
Module and 32003971-003 Sensor)
W8735S3000 EnviraCOM™ Alarm Module
C7089U1006 Outdoor Temperature Sensor (used with
the 50022037-002)
32003971-003 Temperature Sensor (used with
50022037-005)
Sensor (See Table 2).
120650 Heat Conductive Compound.
121371AA Sensor Well Clamp.
Table 1. Wells for L7224A,C; L7248A,C,L Control-
Part
Spud Size
Number
in. (mm)
123869A 1/2 (12.7) NPT 3 (76.2)
123870A 3/4 (19.05)
NPT
Table 2. Sensors for L7224A,C and
L7248A,C,L Controllers.
Length in.
Part Number
(mm)
50001464-001 12 (304.8) Well-mounted
50001464-003 24 (609.6) Flush-mounted
50001464-004 36 (914.4)
50001464-005 48
(1219.2)
3/4
(75)
7-1/8
(181)
6-1/2
(166)
5-11/16
(145)
Fig. 1. L7224A,C; L7248A,C,L mounting dimensions in inches (mm).
68-0281EFS—09
lers.
Insertion
Insulation
in. (mm)
in. (mm)
1-1/2 (38.1)
3 (76.2)
1-1/2 (38.1)
Application
controls
controls
3/8
(10)
2-5/8 (67)
4-1/4 (109)
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to
follow them could damage the product or cause
a hazardous condition.
2. Check the ratings given in the instructions and
on the product to make sure the product is suit-
able for your application.
3. The installer must be a trained, experienced ser-
vice technician.
4. After installation is complete, check out product
operation as provided in these instructions.
5. Set High Limit, Low Limit and Low Limit Differ-
ential to the settings recommended by the boiler
OEM.
6. Record the maximum High Limit setting from
the replaced controller in the text box provided
on the cover insert label.
7. Record the High Limit setting at time of installa-
tion in the text box provided on the cover insert
label.
WARNING
Electrical Shock Hazard.
Can cause severe injury, death or property
damage.
Disconnect power supply before beginning
installation to prevent electrical shock or
equipment damage.
Mounting
The L7224A,C and L7248A,C,L models are available in
a well-mount, horizontal position, vertical position, or
flush mounted remote from the well versions.
Dimensions for the variety of mounting options are
shown in Fig. 1. Note that each identity will have only a
single mounting option.
3-13/32 (86)
2x 1/4 (7) x 3/8 (9)
2
®
CONTROLLERS
1-3/16
(30)
2-1/16 (53)
1/16 (2)
3-1/32
(77)
1-1/8 (29)
M22147B
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