Single And Multi Zoning - Slant/Fin LYNX LX-85A Installation And Operating Instructions Manual

National Excelsior Company
www.excelsiorhvac.com
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ZONE 1
THERMOSTAT
V8043E/F
END
TH-TR
SWITCH MOTOR
T T T T T
1 2 3 4 5 6 7 8
R845A
RELAY ZONE 3
1 2 3
DISCONNECT
SWITCH
1
LI
L2
1
POWER SUPPLY, PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
MULTIZONING OF "LYNX" BOILER;
ZONE VALVE SYSTEM USING V8043E/F ZONE VALVES AND R845A RELAY
ZONE 2
THERMOSTAT
V8043E/F
END
MOTOR
SWITCH TH-TR
T T T T T
FIELD WIRING
TERMINALS
ON BOILER
R845A
RELAY
MULTIZONING OF "LYNX" BOILER;
PUMP ZONING SYSTEM USING R845A RELAY
ZONE 3
THERMOSTAT
R845A
RELAY ZONE 2
T T
4 5 6 1
CIRC.
ZONE 3
Subject to change without notice.
ZONE 3
THERMOSTAT
V8043E/F
END
TH-TR MOTOR
SWITCH
T T T T T
T T
JUMPER
1 2 3 4 5 6
ZONE 2
THERMOSTAT
RELAY ZONE 1
T T
2 3 4 5 6
CIRC.
ZONE 2
1 2 3 4 5 6 7 8
120V/24V
POWER SUPPLY, PROVIDE DISCONNECT
1
TRANSFORMER
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
SPACE
HEATING
SYSTEM
CIRCULATOR
ZONE 1
THERMOSTAT
R845A
T T
1 2 3 4 5 6
CIRC.
ZONE 1
FIELD WIRING
TERMINALS
ON BOILER
DISCONNECT
SWITCH
LI
1
L2