Electro Industries Mini-Boiler EMB-S-1 Installation & Operating Instructions Manual

Mini-Boiler
Installation & Operating
EMB-S-1
EMB-S-2
EMB-S-4
EMB-S-5
EMB-S-7
EMB-S-9
Water Flow – Minimum 0.3 GPM per kW water flow is required through boiler.
Design Temperature Rise – Typical radiant floor system should be designed at 12° to 15° F.
Application – Low temperature, low pressure, radiant underfloor heating systems. This model includes factory
installed temperature sensing staging.
Comment – If this application is for traditional hydronic heating requiring temperatures greater than 160 F and
capacities larger than shown above, contact factory for other Electro-Boiler product series.

In this approximate sizing the EB-M*-** model series is fully modulating and designed for
temperatures up to 180° F. The EB-M* and EB-W* also have outdoor reset options and other features.
Accessories – Attached BL001 lists various accessory or option items which are not part of basic Electro-Boiler.
Note:
This product meets the requirements of the ASME Boiler and Pressure Vessel Code.
Conforms to: UL STD.UL834
Certified to: CSA STD.C22.2#165
DO NOT DESTROY THIS MANUAL. PLEASE READ CAREFULLY AND KEEP IN A SAFE
PLACE FOR FUTURE REFERENCE BY A SERVICE TECHNICIAN.
03/12/2019
Electric
Instructions
120-volt, 1-stage
120-volt, 1-stage
120-volt, 2-stage
240/208-volt, 1-stage
240/208-volt, 2-stage
240/208-volt, 2-stage
– 1.1 kW
– 2.5 kW
– 5 kW
30A CB 4.5/3.5 kW
45A CB 7/5.3 kW
60A CB 9/7 kW
™
3,753 Btu/h
8,530 Btu/h
17,060 Btu/h
15,354/11,942 Btu/h
23,885/17,913 Btu/h
30,709/23,885 Btu/h
BI309