Instrukcja obsługi Weil-McLain WMR-22

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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,

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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

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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

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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