NTI Trinity Tft285 - Page 54

Trinity │Installation and Operation Instructions Tft Series
54
Figure 12-1 Line Voltage Field Wiring
Table 12-1 Line Voltage Field Connections
Connection
Location
Description
L1
(120VAC)
1
Location for connecting line voltage of the power supply. Note; most installation codes
require the installation of a service switch to break line voltage to the appliance.
PUMP A
2
120VAC output to the DHW circulator; powered during a demand for DHW.
PUMP B
3
120VAC output to the Boiler circulator; powered during all demands; DHW, local Central
Heat (CH1) and Lead-Lag Central Heat [CH2 (LL)]. This output is not used for all
plumbing configurations, see Section 10.0.
PUMP C
4
120VAC output to the Central Heating circulator; powered during a demand for local
Central Heat (CH1) or Lead-Lag Central Heat [CH2 (LL)].
L2
(Neutral)
5
Location for connecting neutral of the power supply and all circulators.
6
Ground
7
Location for connecting earth ground and for grounding all of the circulators.
8