Burnham Series 8H/8HE Boiler Manual De Propietario
59
sEcTION 5.0 – cONTROLs
5.1 General – Breeching ducts, water piping and gas
piping are generally less flexible than are electrical
conductors. To avoid conflicts for the same location,
design and layout breeching ducts, water and gas
piping before proceeding with electrical and control
layout in this section.
5.1.1 Selection of the control package should be based on:
1) The application or end use of the heat supplied by
the modules (ie: is the application for space heating
only, or will it be used for space and domestic hot
water requirements).
2) The number of boilers being controlled.
failure to properly wire electrical connections to the boiler may result in serious physical harm.
Electrical power may be from more than one source. Make sure all power is off before attempting any
Electrical power may be from more than one source. Make sure all power is off before attempting any
electrical work.
Each boiler must be protected with a properly sized fused disconnect.
Never jump out or make inoperative any safety or operating controls.
The wiring diagrams contained in this manual are for reference purposes only. Each boiler is shipped with
Each boiler must be protected with a properly sized fused disconnect.
Never jump out or make inoperative any safety or operating controls.
The wiring diagrams contained in this manual are for reference purposes only. Each boiler is shipped with
a wiring diagram attached to the front door. Refer to this diagram and the wiring diagram of any controls
used with the boiler. Read, understand and follow all wiring instructions supplied with the controls.
Positively assure all electrical connections are unpowered before attempting installation or service of
electrical components or connections of the boiler or building. Lock out all electrical boxes with padlock
once power is turned off.
5.1.2 Burnham Commercial offers Tekmar boiler staging
controls that can stage and rotate up to eight modules.
All Tekmar controls use PID logic for precise control
over the desired supply water or domestic hot water
temperature or both. Use the table below for selecting
the proper control for the number of boilers being
used.