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svf
series
500/600
This section is intended to provide wiring and zoning
instructions for qualified installers and service
contractors
Section Contents
Electrical – General
Field Wiring
Zoning with the Control
Electrical – General
WARNING
!
Turn off electrical power supply at the service
entrance panel before making any electrical
connections. Failure to turn off the electrical
power can cause electric shock, which can result
in severe personal injury or death.
NOTICE
Do not use 24V from a transformer to power any
external devices that are not listed in this manual.
The installation must comply with the National
Electrical Code and any other national, state,
provincial, or local codes and regulations In Canada,
comply with Canadian Electrical Code, Part 1 – CSA
C22 1, and any other local codes
WARNING
!
Wiring errors can cause improper and dangerous
operation. Label all wires to ensure proper
connection. Never jumper (bypass) any device
except for momentary testing. Failure to comply
can result in severe personal injury, death, or
substantial property damage.
Wiring must be N E C Class 1 If original wiring
supplied with the boiler must be replaced, use only
type 105°C wire or equivalent The boiler must be
electrically grounded as required by the National
Electrical Code – ANSI/NFPA 70, latest edition, or the
Canadian Electrical Code, Part 1 – CSA C22 1
550-100-207/1023
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The boiler must be electrically bonded to ground
when installed in accordance with the requirements
of the authority having jurisdiction In the absence of
such requirements, comply with the requirements in
the National Electrical Code – ANSI/NFPA 70, latest
edition, or the Canadian Electrical Code, Part 1 –
CSA C22 1
Seal all electrical entrances Use a sealed strain
relief, or a strain relief sealed with duct seal putty or
silicone Sealing the entrances prevents the boiler
from drawing air from inside the boiler room; this is
particularly important if the boiler is located in the
same room as other gas appliances
WARNING
!
All electrical entrances must be sealed. Unsealed
entrances can draw air from inside the room,
which can result in severe personal injury, death,
or substantial property damage.
Power Requirements
• The SVF 500/600 boilers are manufactured for
120 VAC, 60 Hz electrical service
• The total operating amperage of the boiler is
dictated by the boiler max draw (6A) plus 2 2A
per circulator Maximum total draw is 17 amps
Boiler total draw cannot exceed 80% of the
breaker amperage Size the external disconnect
accordingly
• Before starting the boiler, ensure the proper
electrical service is connected to the boiler
• An external electrical disconnect and overload
protection (not supplied with the boiler) are required
• The installed conduit must not block any of the
boiler's openings, and it must allow space to open the
front door
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