Indirect Storage Tank - UTICA BOILERS MAH-125 Installation, Operation And Maintenance Manual

8.8 Indirect Storage Tank

Boilers MAH-125 & MAH-165 can be electrically connected to
indirect storage tank as follows:
• Connect DHW priority sensor NTC to terminals 9-10 on
terminal block M2.
• Insert NTC sensor element in the sensor well of indirect
storage tank.
• Verify exchange capacity of the storage boiler coil is
appropriate for boiler power.
• Adjust DHW temperature +95 °F...+140 °F (+35
°C...+60 °C) by pressing
IMPORTANT: set parameter P03 = 05 as described in:
"PARAMETER SETTINGS".
FIGURE 8-7A Kt Indirect Storage Tank
*125 Model shown - See Application Guide for size 165
A
Heating system
B Three way diverter valve
C Heating water flow
D
Heating supply to DHW indirect storage tank coil
E Heating water return
F Tank
G Optional DHW priority sensor tank
8 - ELECTRICAL CONNECTIONS
on boiler Controll.
37
240011941 REV B, [03/31/2018]