Install Instructions

20
T
W
R
T
C 5
NC
6
NO
6
L2 L1 3
4
NO
4
NO
13 14
5 9 8 12
"AT" BOILER
THERMOSTAT
SPST(2 WIRE)
24 VAC
CIR.
CIRCULATOR
PUMP 120 VAC
PRIMARY
TT
TT
C1 C2
ISOLATION
RELAY
CIR.
CIRCULATOR
PUMP 120 VAC
SECONDARY
THERMOSTAT
"AT" BOILER
CIR.
CIRCULATOR
PUMP 120 VAC
TT
TT
C1 C2
"AT" BOILER
CIR.
CIRCULATOR
PUMP 120 VAC
PRIMARY
TT
TT
C1 C2
SINGLE ZONE WITH CIRCULATOR
2 BOILERS
ONE SINGLE ZONE
NOTE:
ABOVE NUMBERS REFER TO NUMBER
DESIGNATIONS ON RELAY BASE
9
13
14
12
5
1
RELAY
RELAY
BASE
4
8
DIN RAIL
ELECTRONIC FUSE
FACTORY INSTALLED
JUMPER
120VAC
NOTE:
NUMBERS REFER TO NUMBER
DESIGNATIONS ON RELAY BASE, SEE BELOW.
N
L
ARGO
AR822-2II
ADDITIONAL WIRING DIAGRAMS
ITEM
NUMBER
DESCRIPTION
R35C Relay 10A 24VAC
240004745
Relay Base, DIN Rail
Mount
240004746
DIN Rail Approximatly
2"
Long