Viessmann Vitocrossal 300 CA3 2.5 Installation And Service Instructions Manual page 33

Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Electrical Connections
DIN rail X0 Power supply connection
CA3 2.5, 3.0, 3.5 and 4.0
120 VAC/60 Hz/1 phase
(20 Amps - full load amperage)
DIN rail X0 Power supply connection (optional)
CA3 2.5, 3.0, 3.5 and 4.0
240 VAC/60 Hz/1 phase
(20 Amps - full load amperage)
Legend
1 Factory installed terminal bridge
2 Terminal bridge must be removed on site for 240VAC
connection.
(continued)
DIN rail X0 Power supply connection
CA3 5.0 and 6.0
208 Y/120VAC-60Hz - 3 phase
(20 Amps - full load amperage)
(4 wire L1, L2, L3, N, G)
WARNING
The control must be grounded.
Ensure that 'L', 'N' and 'G' are not interchanged.
WARNING
Incorrectly executed electrical installations can lead to
injuries from electrical current and result in appliance
damage.
IMPORTANT
Electrical installations must comply with the latest edition of:
In the U.S.A., the National Electrical Code (NEC),
ANSI/NFPA 70 and any other state, local codes and/or
regulations.
In Canada, the Canadian Electrical Code (CEC),
CSA C22.1 Part 1 and any other province, territory,
local codes and/or regulations.
Installation
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