Instructionmanual
WMR-21 — Double pole/single throw switching relay
Switching Relay
24V | T | T |
C | R | W |
Made in U.S.A.
Circuit ON
T/W C
24 VAC
120 VAC
L2
T/R
Relay coil
L1
4
3
Jumper
85903
6
5
24 VAC field wiring
24 VAC factory wiring
120 VAC field wiring
120 VAC ground lead
120 VAC factory wiring
WMR-21 cross reference table
L2 | L1 | 3 | 4 | 5 | 6 |
120 VAC
Michigan City, IN
Weil- | Argo | Honeywell | Taco | White- |
McLain |
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AR821 | RA 89A | SR501 | ||
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AR821 | RA 832A | SR501 | ||
AR821 | R 845A | SR501 | ||
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WMR-22 — Double pole/double throw switching relay
Switching Relay
T | T | 24V |
| NO NC | ||
5 | 6 | 6 | ||||
R | W | C | ||||
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Circuit ON
T/W C
24 VAC
120 VAC
L2
T/R |
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| 85904 |
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coil | NO | NC | NO | NC |
Relay | 4 | 4 | 6 | 6 |
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| 3 | 5 |
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| 24 | VAC field wiring | |
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| 24 | VAC factory wiring | |
| Jumper |
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| 120 VAC field wiring | ||||
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| 120 VAC ground lead | |||||
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L1
120 VAC factory wiring
L2 | L1 | 3 | 4 | 4 |
120 VAC |
| NO NC | ||
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| Made in U.S.A. | ||
Michigan City, IN |
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85902
Argo | Taco | |
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AR822 | SR501 | |
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Part Number | 3 |
