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Page 40
7.D Control Panel Layout
Handset, Display and
Operating Unit.
For Certified and
Trained Field
Techs Only.
12 Volt DC Power
Supply
O2 Sensor
Controller
Figure 19. Control Panel Components
7.E
Field Connections
Wiring for all field connections must be run through the
available electrical conduit to the low voltage box at the
back of the unit. See Figure 18.
Refer to Figure 20 in reference to Sections 7.E.1 thru
7.E.10
Power
7.E.1
Boiler Pump – If connecting a boiler contactor or pump,
use terminals 23 (neutral) and 24 (line voltage). The
output of these terminals is 120VAC with a maximum
120 VAC
H2406100A
Figure 20. Field Connections Terminal Block
LMV Controller Assembly
120 VAC
24 VAC
POWER
DRY CONTACTS
TEMPERATURE SENSOR INPUTS
H2406100A
OUTPUTS
output current of 1.5 amps. Boiler pump functionality is
configured using the touch screen.
Auxiliary – no functionality is available on this unit.
7.E.2
DHW Pump - If connecting a domestic hot water (DHW)
pump, use terminals 27 and 28 (See Figure 20). This is
a dry contact. The DHW pump supply voltage or DHW
pump relay coil voltage should be applied at terminal
27, and when the DHW pump is called, would be switch
to terminal 28. Contact ratings are 250VAC, 1.5A
POWER
24 VAC
OUTPUTS
LAARS Heating Systems
Low Water Cut-Off
RUN RELAY
CASCADE
SAFETY
ISOLATION
HEAT DEMANDS
ANALOG
ANALOG
ALARM RELAY
BMS RS485
CONTACTS
RS485
CHAIN
VALVE
INPUT
OUTPUT
CONTACTS
Dry Contacts
DRY CONTACTS
TEMPERATURE SENSOR INPUTS
Linc Controller
Assembly
Field Connections
Terminal Block
SAFETY
ISOLATION
CHAIN
VALVE
HEA
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