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Weil-McLain Evergreen
Raypak XFyre and XPakFT
Viessmann Vitodens 100-W, WB1B
Viessmann Vitodens 200-W, B2HP
and Vitocrossal 300 CU3A
• Set boiler PIM DIP switch 2 to Down.
• Set boiler PIM DIP switch 5 to Up.
• Use Local Priority 1 for DHW tank heating.
• Use Local Priority 2 for the RoomResponse
TM
signal.
• Set Local Priority 2 Supply Min to 60°F.
• Set Local Priority 2 Supply Max to 180°F.
• Set Local Priority 2 Volts For Min to 2 V.
• Set Local Priority 2 Volts For Max to 10 V.
• Install the OpenTherm Module as per the boiler
manufacturer's instructions.
Raypak XFyre or XPakFT
303V
J2
J1
+
–
X
X
–
+
T
T
8 9
9 10
Viessmann
OpenTherm Module
Viessmann
Extension Module EA1
Plug 0-10V
Weil-McLain
Evergreen P15
303V
303V
303V
+
–
1
–
4
+
+
–
1
–
2
+
+
–
5
+
6
–
• Connect to the Viessmann Extension Module EA1
Plug 0-10V.
Zone Valve Control 303V
Three Zones with Priority
Literature
Submittal 303V_C, Installation Manual 303V_D, Job Record 303V_J
Packaged weight
5.0 lb. (2250 g)
Dimensions
8-3/16” H x 10-11/16” W x 2-3/8” D (208 x 271 x 60 mm)
Enclosure
Cover: ABS plastic, Base: galvanized steel, NEMA type 1
Approvals
CSA C US, RoHS
Ambient conditions
Indoor use only, 32 to 122°F (0 to 50°C), RH ≤90% non-condensing
Power supply
115 V (ac) ±10%, 60 Hz, 11 A
Transformer
40 VA at 24 V (ac), expandable to 80 VA with additional transformer M3069 (sold
separately)
Control load
7 VA at 24 V (ac)
Fuses
T5A 250 V slow blow 5 x 20 mm glass fuse, two spare fuses included
Zone valve outputs
24 V (ac), 2 A max each, one transformer 33 VA, two transformer 73 VA
Zone valve end switch
24 V (ac)
Pump relays
230 V (ac), 5 A, 1/3 hp
Boiler XX end switch
24 V (ac), 5 A
DHW end switch
24 V (ac), 5 A
Mod boiler output
0-10 V (dc) 500 Ω min load impedance / 4-20 mA 1 kΩ max load impedance
Technical Data