Installation / Operation Instruction Manual

Table Of Contents
Page 37
Figure 19. Field Connection Terminal Block
7.C Control Panel Layout
Manual Reset
High Limit (optional)
Auto Reset
High Limit (optional)
Boiler Controller
(shown
uncovered)
Terminal
Block
Low Water
Cuto󰀨
Figure 18. Control Panel Components
output current of 1.5 amps. Boiler pump functionality is
congured using the touch screen.
Auxiliary – no functionality is available on this unit.
7.D.2 Dry Contacts
DHW Pump - if connecting a domestic hot water (DHW)
pump, use terminals 21 and 22 (See Figure 19) as this
is a dry contact, the DHW pump supply voltage or DHW
7.D Field Connections
Wiring for all Field Connections must be run along the
inside face of the available electrical raceway to the
back of the unit. See Figure 17. and See Figure 19.
7.D.1 Power
Boiler Pump – if connecting a boiler contactor or pump,
use terminals 17 (neutral) and 18 (line voltage). The
output of these terminals is 120VAC with a maximum
Lead
Lag