Install Instructions

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• No changes to the boiler are required.
• Install the Peerless PFA-1 Interface Adapter
• On the boiler display, change Central Heating Mode
to 4 for 0-10 VDC Input to Modulate Setpoint
• Set boiler PIM DIP switch 2 to Off.
• Set boiler PIM DIP switch 5 to On.
• Set boiler PIM DIP switch 6 to Off.
• Set APP parameter to EMS.
• Set SIGNAL parameter to 0-10Vdc.
• Set SETP LO to 70°F.
• Set SETP HI to 180°F.
• Set BMS Type to Setpoint. This is the factory default
setting.
• Set BMS parameter to ACTIVE.
• Set BMS Type to SETPOINT.
• Enter boiler password.
• Set Parameter "Setpoint source" to 4-20mA
• Enter boiler password.
• Set Parameter "Setpoint source" to 4-20mA
Lochinvar Knight
Lochinvar FTXL
NTI Trinity LX
Riverside HeatStation
NTI Trinity Fire Tube
303V
303V
303V
303V
303V
Sensor I/O24Vac I/O
+
–
X
X
WR –+
1237 38
+
–
X
X
WR –+
21 22 35 36
+
–
X
X
CH1R +–
3511 12
+
–
X
X
CH1R –+
35
45
+–
–+
8
EMS
9
Laars Mascot FT
Peerless
Pinnacle
Terminal
Strip
Peerless
Pinnacle
Control
Board
Peerless PFA-1
Interface Adapter
303V
303V J5 J8 J18
+
–
16
–
17
+
+
–
15
+
16
–
2
–
8
+
12
12
Laars Mascot FT
NTI Trinity FireTube
Raypak MVB and XTherm
Peerless Pinnacle PF-200, 210, 300, 399
Riverside HeatStation
Lochinvar Knight
Lochinvar FTXL
NTI Trinity LX
• Set boiler PIM DIP switch 2 to Down.
• Set boiler PIM DIP switch 5 to Up.
Raypak MVB or XTherm
303V
+
–
X
X
–+
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