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Weil-McLain WMR-21 User Manual

Instruction manual, Zone controller

background image

120 VAC

Circuit ON

Weil-McLain

Michigan City, IN

WMR-21

Switching Relay

T

L2 L1 3

4

5

6

R

C

24V

T

W

Made in U.S.A.

Part Number 550-141-859/0799

Zone

Controller

This manual must only be used by a

qualified heating installer/service

technician

. Failure to comply could result in severe personal injury, death

or substantial property damage.

Instruction manual

• WMR-21 DPST (Double-pole/single throw)

• WMR-22 DPDT (Double-pole/double throw)

120 VAC

Circuit

O

N

Weil-McLain

Michigan City, IN

Switching Relay

Made in U.S.A.

WMR-22

T

L2 L1 3

5

4

6

NO

NO

NC

NC

4

6

R

C

24V

T

W

85902

This manual is related to the following products: