UTICA BOILERS MAC-150 - 9 - Start Up Procedure; Central Heating System Connections

47
LEGEND 100 / 125 165
A Pressure Gauge -
B Pressure Relief Valve 30.00 psi [2.11 bar]
C Heating return connection 3/4" [22.2 mm] 1" [25.4 mm]
E  3/4" [22.2 mm]
H Drain connection for condensate
13/16" [21 mm] ID
Hose
3/4 NPT
I Heating supply connection 3/4" [22.2 mm] 1" [25.4 mm]
J Optional Indirect DHW connection 3/4" [22.2 mm] na
MANIFOLD
MAH -100 & MAH-125
9 - START UP PROCEDURE
9.1 Central Heating System Connections - HEAT ONLY
MAH-100 & MAH-125 HEAT ONLY
WITH OPTIONAL INDIRECT
DHW CONNECTION
MAH-100 & MAH-125 HEAT ONLY
WITHOUT OPTIONAL INDIRECT DHW
CONNECTION
MAH-165 HEAT ONLY
MANIFOLD
MAH-165
A
C
E
I
B
H
240013354 REV B [09/15/2021]