Honeywell L7248A,C,L, L7224A,C Installation, When Installing this Product, Mounting

L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT® CONTROLLERS

Accessories:

W8735Y1000 Wireless Outdoor Reset Kit W873ER1000 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).

14,000,485-016 1/4 in. (6.35 mm) diameter, 1-1/4 in. (31.75 mm) long glass cartridge Fuse, 1A, Slow-Blow.

120650 Heat Conductive Compound. 121371AA Sensor Well Clamp.

Table 1. Wells for L7224A,C; L7248A,C,L Controllers.

Part		Spud Size			Insertion		Insulation
Number		in. (mm)				in. (mm)	in. (mm)
123869A	1/2 (12.7) NPT				3 (76.2)		1-1/2 (38.1)
123870A	3/4 (19.05) NPT				3 (76.2)		1-1/2 (38.1)
Table 2. Sensors for L7224A,C and
		L7248A,C,L Controllers.
			Length in.
Part Number				(mm)		Application
50001464-001			12	(304.8)		Well-mounted controls
50001464-003			24	(609.6)		Flush-mounted controls
50001464-004			36	(914.4)
50001464-005			48	(1219.2)

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 suitable for your application.

3.The installer must be a trained, experienced service technician.

4.After installation is complete, check out product operation as provided in these instructions.

5.Set High Limit, Low Limit and Low Limit Differential 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 installation 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.

3/4

(75)

7-1/8

(181)

6-1/2

(166)

5-11/16

(145)

2-5/8 (67)

4-1/4 (109)

3/8

(10)

3-13/32 (86)

2x 1/4 (7) x 3/8 (9)

1-3/16

(30)

1/16 (2)

3-1/32

(77)

1-1/8 (29)

2-1/16 (53)

M22147B

Fig. 1. L7224A,C; L7248A,C,L mounting dimensions in inches (mm).

68-0281EFS—05 2