COMMON
ZONE MODULE
TO EXTRA
24 VAC
@ 1VA
PRIORITY ON
Hotline indirect water heater
ZR-ZC
CONTROL WITH
PRIORITY
120V AC
L2 N
L1 (HOT)
ISOLATED
CH C1
L1
SWITCH
X X
ZC
ARM-4P
X-X
DATA PORT
CIRC 3
ZONE 3
ZR
L
1
N
ZONE 2
CIRC 2
L
2
N
L
N
CIRC 4
3
N
4
ZONE 4
L
120 VAC
L
N
ZONE 3
T-STAT
THERMOSTATS
ZONE 3
ZONE 1
ZONE 2
PRIORITY
T
W
ZONE
1
T
R
ZONE 2
T-STAT
T
W
2
T
R
T
W
ZONE 4
T-STAT
T
3
R
ZONE 4
W
T
4
R
T
DHW CIRC
L2
CH C2
DHW C2
DHW C1
DHW T2
A2
A1
DHW T1
CH T2
CH T1
OUTDOOR
AIR SENSOR
aquastat or thermostat
Boiler Control Panel
115 V COIL / ISOLATION RELAY
NORMALY OPEN
NOTE: IN PLACE OF 115
VOLT ISOLATION RELAY,
OPTIONAL CONTROL
ARGO AR822II
TERMINAL 5 & 6 N.O.
TO DHW T1 & DHW T2
L1 & L2 TO ARM L &
N ON PRIORITY ZONE
ELEC
TR
ONIC FUSE
VAC
CIR
CUIT ON
120
L2
NO
4
NC
4
AR822-TT
SCREWS
TORQUE TERMINAL
6 TO 7 INCH LBS
TT
T
T
R W
24V
C 5 6
NO
6
NC
Xvi - pipinG and wirinG appendiX
wiring diagram 4: multizone system with circulators and domestic hot water priority
35
Summary of Contents for UTICA BOILERS UB95M-200
Page 26: ...26 ...
Page 45: ...45 ...
Page 46: ...46 ...
Page 47: ...NOTES ...
Page 48: ...Date Service Performed Company Name Tech Initials Company Address Phone ...