Pump Or Valve Zoning Of Water Boilers - Slant/Fin Galaxy GXH-300H Installation And Operating Instructions Manual

GALAXY

PUMP OR VALVE ZONING OF WATER BOILERS

COMBINATION CONTROLS WITH T TV Z TERMINALS*
L8148-
TO ADDITIONAL
L8124
R845A RELAYS
FOR OTHER ZONES
LOW VOLTAGE
GAS VALVE
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
USE TYPE 105°C WIRE OR EQUIVALENT
L8148-
L8124
HOT1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
USE TYPE 105°C WIRE OR EQUIVALENT
R845A RELAYS
ZONE 1
ADD
JUMPER
AS
SHOWN
LOW VOLTAGE
THERMOSTAT
HOT
ZONE 1 ZONE 2
THERMOSTAT THERMOSTAT
R8230C
ZONE 1
CIRCULATOR
V8043F
V8043F
L8148-
L8124
TO BURNER
CIRCUIT
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
MAXIMUM OF 2 V8043'S ACROSS L8148 USE AN AT 720 TRANSFORMER
FOR EACH ADDITIONAL GROUP OF 3 OR LESS V8043'S
USE TYPE 105°C WIRE OR EQUIVALENT
ZONE 3
THERMOSTAT
R8230C
R8230C
ZONE 2 ZONE 3
CIRCULATOR CIRCULATOR
AS MANY AS FOUR R8230C RELAYS MAY BE
POWERED BY THE L8148 OR L8124
V8043F
CIRCULATOR
20