Commercial Electro Boilers Radiant Applications

RADIANT APPLICATIONS
Hydronics Radiant Floor, Emphasizing Electric Boiler
04/26/2010 BL002
Zone Controller*
This will simplify your wiring and make zone applications much
easier. In addition to wiring convenience and troubleshooting,
the Electro units include intelligence to stage the electric boiler
based upon connected zone capacity.
Pumps, Actuators, Valves
EB-ZTA-1 - install within boiler cabinet
EB-ZEA-1 - with enclosure and 40VA transformer
EB-ZEA-2 - add additional 4, enclosure and 40VA
Pumps
EB-Z2P - two pumps with priority and dual temp.
Zone Valves
EB-ZTS-1 - install within boiler cabinet, encl. option
EB-ZTS-2 - add additional 4, enclosure and 40VA
EB-ZES-1/-2 - with enclosure and 40VA transformer
Two Supply Water Temperature Requirement
• Handled as the priority zone on multi-zone (EB-ZEA-1) or two
pump (EB-Z2P) controllers
• Priority switch on, zone 1 active - TS boiler automatically changes
to 150° (or selection 176°) supply water setting
• All other zones are held off
• With zone 1 satisfi ed or 60-minute timeout, the boiler automatically
returns to the preset temperature and reacts to the other zones
EMB-S EMB-H
EB-S
EB-MS
EB-WA
EB-MA
EB-WO
EB-MO
1. Lower level, 1 zone - warm fl oor, also has forced air heating system

2. Lower level, small and large zones - warm fl oor, also has forced air
heating system

3. Garage, residential, 1,000 sq. ft. max.

4. Lower level, large, unequal and many zones - warm fl oor, also has
forced air heating system
*
5. Slab on grade - only heating system, one zone

6. Slab on grade, unequal and many zones - only heating system
*
7. Whole house, zones - all radiant, two temp. requirement
*
8. Whole house hydronics, zones - air handler coil, etc. - two temp.
req.
*
9. Large building, multi-boilers, large and many small zones - add
EB-C-STG5
* *
10. Dual heat, standby gas boiler

*Suggest zone controller board with the units noted in the above chart.
Slab Stat
Sensing and controlling the system based upon radiant fl oor
surface temperature or the concrete mass has very positive
benefi ts. Radiant fl oor air stat in the same area as a forced air
roomstat presents serious control problems. A remote sensing
slab stat for the radiant fl oor removes this issue.
Remote sensing slab stat is required for storage applications.
ES-24-BR
Low Temp High Temp
Radiant, slab Radiant, staple up
Radiant, slab Baseboard
Radiant, slab Fan coil
Radiant, slab Water heater, side arm
Radiant, slab Hanging unit heater (garage, shop, etc.)