UTICA BOILERS UB95M-200 Installation, Operation & Maintenance Manual page 29

Piping Diagram 1: Single Zone System With Domestic Hot Water Priority
Wiring Diagram 1 : Single Zone System With Domestic Hot Water Priority
APPENDIX A - BOILER PIPING AND WIRING
NOTE: NOT RECOMMENDED FOR ANTIFREEZE APPLICATIONS
T-STAT
AR822-II
TORQUE TERMINAL
AR822-TT
SCREWS
6 TO 7 INCH LBS
T T
24V
NO NC
R W C 5 6 6
L2 4 4
NO NC
120
VAC
CH CIRC
L2 N
120V AC
L1 (HOT)
Hotline indirect water heater
aquastat or thermostat
Boiler Control Panel
CH T1
CH T2
DHW T1
DHW T2
A1
A2
OUTDOOR
AIR SENSOR
29
L1
L2
CH C1
CH C2
DHW C1
DHW CIRC
DHW C2