2.6 ELECTRICAL REQUIREMENTS
Any electrical work should be undertaken by a qualified electrician to current local regulations.
Assure all electrical connections are powered down prior to attempting replacement or service of electrical
components or connections of the equipment.
An individual wiring diagram for the boiler is located on the inside cover of the control box.
Make sure the information on the electrical drawing corresponds to your voltage and
frequency.
Check the supply voltage and make sure that there is no over-or under-voltage exceeding 10% of
the nominal value.
When referring to the electrical specification of the boiler, the reference number located on the
re
ar inside wall of the control box and the wiring diagram number should be quoted.
The audible alarms provided are mounted on the control panel, if not audible they should be
re
positioned where they can be heard by a person competent to take the appropriate action
should the alarm be activated.
Unless otherwise specified, the alarms supplie
d will be mains voltage models. Unless otherwise
specified all models are supplied with burner motors and feedwater pump motors arranged for
operation on a three phase supply.
A wall-mo
unted, fused disconnect sized for the unit must be provided and fitted by the client/
contractor, if disconnect is not supplied on the panel.
Connect power to the terminal strip as supplied on the inside of the panel box. Note: Single skid
syst
ems are generally shipped completely pre-wired.
Note: The
power ratings and requirements are given in Appendix A - TI-153-VSRT Dimensions & Specification.
2.6.1 STANDARD ELECTRICAL CUSTOMER CONNECTIONS
Remote Stop.
The Remote Stop option allows the customer to fit a remote stop push button / contact. An open
contact will stop the boiler. If a Remote Alarm panel is fitted, wire the remote stop between terminals
310 & 311.
Common Alarm Contact.
A
Common Alarm Volt Free Contact is provided for giving a Remote Common Alarm signal or
connecting to a site BMS system (Contact Rating 230V 5A).
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