Weil-McLain WMR-21 user manual

Device: Weil-McLain WMR-21

Category: Switch

Manufacturer: Weil-McLain

Size: 0.42 MB

Added : 3/5/2013

Number of pages: 4

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Weil-McLain WMR-21 User manual - Online PDF

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Summaries

Below you will find previews of the content of the user manuals presented on the following pages to Weil-McLain WMR-21. If you want to quickly view the content of pages found on the following pages of the manual, you can use them.

Abstracts of contents

Summary of the content on the page No. 1

Zone
Controller
Instruction manual
• WMR-21 DPST (Double-pole/single throw)
WMR-22 DPDT (Double-pole/double throw)
WMR-21
24V
Switching Relay T T
C R W
Made in U.S.A.
Circuit ON
WMR-22
Switching Relay
NO NC
24V
T T
5 6 6
RC W
L2 L1 3 4 5 6
120 VAC
Weil-McLain
Michigan City, IN
L2 L1 3 4 4
NO NC
120 VAC
Made in U.S.A.
Weil-McLain
Michigan City, IN
85902
This manual must only be used by a qualified heating installer/service
technician. Failure to comply could result in severe personal injury,

Summary of the content on the page No. 2

Contents Hazard definitions and “To the installer” .............................................................. 2 Specifications and replacement parts ................................................................... 2 WMR-21 layout, schematic diagram and cross reference table ......................... 3 WMR-22 layout, schematic diagram and cross reference table ......................... 3 WMR-21 and WMR-22 General wiring .................................................................. 4 W

Summary of the content on the page No. 3

WMR-21 — Double pole/single throw switching relay 85903 T/W C T/R WMR-21 24V T T Switching Relay C R W 46 Made in U.S.A. Circuit ON 24 VAC 3 5 24 VAC field wiring 24 VAC factory wiring 120 VAC 120 VAC field wiring 120 VAC ground lead L2 L1 120 VAC factory wiring WMR-21 cross reference table Weil- Argo Honeywell Taco White- McLain Rodgers L2 L1 3 4 5 6 WMR-21 AR821 RA 89A SR501 809A-189 120 VAC WMR-21 AR821 RA 832A SR501 829A-832 Weil-McLain Michigan City, IN WMR-21 AR821 R 845A SR501 829A-845 WM

Summary of the content on the page No. 4

WMR-21 and WMR-22 WMR-21 — Typical application General wiring Add circulator to L8124A or C aquastat/relay Thermostat or 24 vac to 3-wire Thermostat or 24 vac to 3-wire thermostat thermostat isolated contact isolated contact to activate relay to activate relay Electrical shock hazard — Disconnect power before WMR-21 WMR-21 installing or servicing. Can T T T T T T T T C C C C cause severe personal injury, R R W W R R W W death or substantial property damage if ignored. Remove factory- 24 VAC 24 V

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