WARM AIR
CONTROLS
FAN/LIMIT
FAN AND LIMIT CONTROLS FOR
UNIVERSAL REPLACEMENT
Single Element Type for Applications with Narrow Space Limitations.
Regulates Fan or Blower Operation & Acts as High Limit Safety Control
FEATURES
• Slotted mounting holes for easy installation.
• Long terminal screws for wiring — Junctions can be made on terminal block.
• Dial has individual pointers for fan cut-in and cut-out settings.
• Removable solid copper jumper between fan and limit switches.
• Summer fan switch for ventilation without changing control settings. Has same fan
and limit switch mechanism.
SPECIFICATIONS
5D51-35
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. recognized and C.S.A. certified
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 2.9”W x 4.3”H x ꢀ.6”D
Full
Electrical
Rating
Motor Rating
(Full Load)
Valves and
Relays
Model
Number
5D51-35
Element
Length Description
Switch
Action
Close on Rise
Range
50 to 265°F
Differential
Adjustable
120 VAC
240 VAC
24 VAC
0.3-12v DC
5”
Fan
HT
14.0A
7.0A
5.6A
—
(ꢀ0 to ꢀ29°C) ꢀ5°F minimum
See page 4ꢀ6
ꢀ 5D51-90
ꢀ 5D51-78
8”
Limit
ꢀ00 to 300°F
(38 to ꢀ49°C)
Fixed 25°F
Open on Rise
HTV
See page 4ꢀ6
ꢀ0.0A
6.0A
6.0A
ꢀ.0A
ꢀꢀ”
BOARD MOUNT LIMIT CONTROLS
ꢀ/2” Bimetal Disc with Ranges for Your System Needs
FEATURES
• Proven reliability in a compact, versatile, cost-effective design.
• Provides high-speed contact separation.
• OEM replacement for competitive models.
TECHNICAL HELP
Dimension drawings and specifications . . . . . . . . . . . . . . . . . . See pages 287-289
?
Model
Number
Figure Construction Opens/
Model
Number
Figure Construction Opens/
(pages
(pages
287-289)
Closes
(°F)
Length TOD
(in inches) Type Style
TOD
(pages
(pages
287-289)
Closes
(°F)
Length TOD
(in inches) Type Style
TOD
287-289)
287-289)
3L09-1
3L09-2
3L09-3
3L09-4
3L09-5
3L09-6
3L09-7
3L09-8
3L09-9
3L09-10
3L09-11
3L09-12
3L09-13
3L09-14
ꢀ
ꢀ
2
2
2
2
2
2
2
2
2
2
2
2
ꢀ40/ꢀ00
ꢀ70/ꢀ30
ꢀ40/ꢀꢀ0
ꢀ50/ꢀ30
ꢀ60/ꢀ40
ꢀ70/ꢀ30
ꢀ75/ꢀ45
ꢀ80/ꢀ60
ꢀ90/ꢀ70
200/ꢀ60
2ꢀ0/ꢀ70
220/ꢀ80
240/2ꢀ0
250/2ꢀ0
ꢀ.87
ꢀ.87
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
36T 6ꢀ2700
36T 6ꢀ2708
36T 6ꢀ270ꢀ
36T 6ꢀ2703
36T 6ꢀ2706
36T 6ꢀ27ꢀ0
36T 6ꢀ27ꢀꢀ
36T 6ꢀ27ꢀ4
36T 6ꢀ27ꢀ5
36T 6ꢀ27ꢀ8
36T 6ꢀ27ꢀ9
36T 6ꢀ2722
36T 6ꢀ2723
36T 6ꢀ2725
3L09-15
3L09-16
3L09-17
3L09-18
3L09-19
3L09-20
3L09-21
3L09-22
3L09-23
3L09-24
3L09-25
3L09-26
3L09-27
3L09-28
2
3
3
3
3
3
4
4
4
4
4
5
5
6
A
A
A
B
B
B
A
A
A
B
B
260/230
ꢀ50/ꢀ30
250/225
ꢀ55/ꢀ25
ꢀ75/ꢀ45
240/2ꢀ0
ꢀ50/ꢀ30
ꢀ60/ꢀ40
ꢀ70/ꢀ50
ꢀ90/ꢀ70
200/ꢀ80
ꢀ80/ꢀ60
220/200
2ꢀ0/ꢀ80
3.ꢀ2
3.ꢀ2
3.ꢀ2
7.ꢀ2
7.ꢀ2
7.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
3.ꢀ2
ꢀ.87
ꢀ.87
3.ꢀ2
36T 6ꢀ2727
36T 6ꢀ2704
36T 6ꢀ2726
36T 6ꢀ2705
36T 6ꢀ27ꢀ2
36T 6ꢀ2724
36T 6ꢀ2702
36T 6ꢀ2707
36T 6ꢀ2709
36T 6ꢀ27ꢀ6
36T 6ꢀ27ꢀ7
36T 6ꢀ27ꢀ3
36T 6ꢀ272ꢀ
36T 6ꢀ2720
A
C
C
B
A
B
C
B
B
B
A
B
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