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Mini-Boiler
Installation & Operating
Model EMB-2
Model EMB-4
Model EMB-1
Application - Low temperature, low pressure, radiant underfloor heating systems.
Comment - If this application is for traditional hydronics heating requiring temperatures greater
than 14Ø° and capacities larger than shown above, contact factory for other Electro-Boiler
product series.
Note:
This product meets the requirements of the ASME Boiler and Pressure
Vessel Code.
Drawings:
BX301
BH309
BS310
BL001
08/07/2008
Electric
- 120V Model -
Instructions
2.5 kW
2 GPM minimum flow
5 kW
3 GPM minimum flow
1.1 kW
Display or Demo
TM
BI305
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Table of Contents
Related Manuals for Electro Industries Mini-Boiler EMB-1
Summary of Contents for Electro Industries Mini-Boiler EMB-1
- Page 1 Electric Mini-Boiler - 120V Model - Installation & Operating Instructions Model EMB-2 2.5 kW 2 GPM minimum flow Model EMB-4 5 kW 3 GPM minimum flow Model EMB-1 1.1 kW Display or Demo Application - Low temperature, low pressure, radiant underfloor heating systems. Comment - If this application is for traditional hydronics heating requiring temperatures greater than 14Ø°...
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Page 2: Table Of Contents
TABLE OF CONTENTS Description Page System Components System or Water Flow Room Thermostat Placement Built in Temperature Control Water Flow Calculation Installation Requirements Mechanical Installation Water Fill Procedure Electrical Hookup Operational Tips Drawings: Piping, install kit BX301 Hook-up BH309 Internal Wiring (reference information) BS310 Boiler Accessories BL001... -
Page 3: System Or Water Flow
PVC conduit. If the slab is already poured without conduit for slab stat, use electronic remote sensing thermostat such as Electro Industries’ ES-24-SRO. This type of device only requires a ¼” hole drilled in the concrete at some center wall location. - Page 4 If the zoning system is more complex and you need zone controller shown on the accessories sheet, select the appropriate model and when ordering specify Mini-Boiler application. AVAILABLE, ELECTRO INDUSTRIES, INSTALL PARTS OR KITS EMB-BK BOILER MINI PLUMBING KIT BASIC...
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Page 5: Installation Requirements
MECHANICAL INSTALLATION CAUTION Electro Industries Inc. requires the use of dielectric isolation between the boiler vessel supply and return piping when the boiler is plumbed using copper or any other dissimilar metal. Damage to the vessel caused by galvanic corrosion voids Electro Industries’ warranty. -
Page 6: Water Fill Procedure
• Boiler/Plumbing Kit Placement – This model series is wall hung and the vessel must be vertical. • The plumbing kit items are located adjacent to the boiler housing itself as shown on drawing BX3Ø1. • For future servicing, the unit itself must be installed a minimum of 18” above the floor. The elements are screwed in from the bottom. -
Page 7: Electrical Hookup
4. Open ball valve at the boiler outlet supply piping. 5. Open “cold water supply” ball valve and allow the system to drain for 5 to 10 minutes. 6. The expansion tank comes factory set at 12 PSIG. If this pressure is not changed (make sure to check pressure at tank) the system pressure should match the expansion tank pressure at 12 PSIG. - Page 8 6. Zone Valve – see hookup page 2 showing suggested wiring for two zones. Other slab stat can be used, slab stat simply operates its own motor. Do not power zone valves and external control devices from Mini-Boiler internal transformer. Contractor needs to install separate 24VAC transformer to operate zone valves.
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Page 9: Operational Tips
Figure 1 OPERATIONAL TIPS 1. Indicator lights – there is a set of four indicator lights on the lower right corner of the front cover with an identical set of four indicator lights on the internal circuit board itself. Figure 1 is a reproduction of the front decal giving definition and information for using these indicator lights. - Page 15 OILER CCESSORIES OILER CCESSORIES ZONE CONTROLLER This will simplify your wiring and make zoning applications much easier. In addition, enhanced communicating features have the ability to stage the electric boiler based upon the connected zone capacity. Pumps, Actuators, Valves Standard Features EB-ZTA-1 - install within boiler cabinet •...
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Page 16: Bl001
Electro Industries’ boilers come standard equipped with outlet temperature/pressure gauge, pressure relief safety valve, and when applicable, the WarmFlo electronic control sensors. - Page 17 TWENTY YEAR (20) LIMITED WARRANTY ON SPIN FIN ELEMENTS Electro Industries, Inc. warrants that the spin fin elements of its products are free from defects in materials and workmanship through the twentieth year following date of installation. If any spin fin elements are found to have a manufacturing defect in materials or workmanship, Electro Industries will replace them.
- Page 18 ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED WITH RESPECT TO ALL PURCHASERS OR OWNERS. ELECTRO INDUSTRIES, INC. IS NOT BOUND BY PROMISES MADE BY OTHERS BEYOND THE TERMS OF THESE WARRANTIES. FAILURE TO RETURN THE WARRANTY CARD SHALL HAVE NO EFFECT ON THE DISCLAIMER OF THESE IMPLIED WARRANTIES.
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