Boiler house
TDS blowdown controls
2.4.31
52 mm
112 mm
120 mm
120 mm
140 mm
Safety information, installation and maintenance
Warning: This document does not contain sufficient information to install the unit safely. The unit operates at a potentially
fatal mains voltage. Before attempting to install the unit read the Installation and Maintenance Instructions supplied with it.
The product must be installed in a suitable industrial control panel or fireproof enclosure to provide impact and environmental protection.
A minimum of IP54 (EN 60529) or Type 3, 3S, 4, 4X, 6, 6P and 13 (UL50/NEMA 250 ) is required.
The product may be installed on a DIN rail, a chassis plate, or in a panel cut-out. A bezel is supplied.
Install the product in an environment that minimises the effects of heat, vibration, shock and electrical interference.
Do not install the product outdoors without additional weather protection.
Do not attempt to open the product - it is sealed and has no replaceable parts or internal switches.
Do not cover or obstruct the infrared beam between products.
Your attention is drawn to IEE Regulations (BS 7671, EN 12953, EN 12952 and EN 50156). Elsewhere, other regulations will normally
apply.
All wiring materials and methods shall comply with relevant EN and IEC standards where applicable.
No special servicing, preventative maintenance or inspection of the product is required.
Boiler water level controls and level alarms do, however, require testing and inspection. General guidance is given in Health and Safety
Executive Guidance Notes BG01 and INDG436.
Dimensions / weight (approximate) in mm and g.
Weight 550 g.
BC3250
100
50
0
%
OK
How to specify
8 mm
SP
PV
AL
Blowdown controller with integral bottom blowdown timer and infrared comms.
How to order
Example: 1 off Spirax Sarco BC3250 blowdown controller.
Page 6 of 6
TI-P403-90 AB Issue 6
BC3250 Blowdown Controller
