NTI Trinity Tft399 Installation And Operation Manual page 54

│Installation and Operation Instructions
Trinity
Table 12-1 Line Voltage Field Connections
Connection Location
L1
1
(120VAC)
PUMP A 2
PUMP B 3
PUMP C 4
5
L2
(Neutral)
6
7
Ground
8
54
Figure 12-1 Line Voltage Field Wiring
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.
120VAC output to the DHW circulator; powered during a demand for DHW.
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.
120VAC output to the Central Heating circulator; powered during a demand for local
Central Heat (CH1) or Lead-Lag Central Heat [CH2 (LL)].
Location for connecting neutral of the power supply and all circulators.
Location for connecting earth ground and for grounding all of the circulators.
Description
Tft Series