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Electro Industries EMB-H-5 Installation And Operating Instructions Manual

Hi temp model
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Mini-Boiler
Installation & Operating
EMB-H-5
EMB-H-7
EMB-H-9
Application – This Electro-Boiler is factory equipped with WarmFlo smart controller. WarmFlo
automatically regulates outlet water temperature based upon preset, front panel, temperature selection. This
model does not have an outdoor sensor and is not programmed for outlet temperature ramping (outdoor reset
concept). If your application is "outdoor reset", you should consider using model EB-MO series.
Primary application is any hydronic water heating system (high or low temperature systems) where reduced
flow or radiation can cause overheat conditions (example, zones). However, if it is a mixture of large and small
zones, the sudden capacity and flow changes may cause some internal timing/over temp conditions.
This series is equipped for load management interrupt and can apply to standard baseboard radiation, dual heat
combinations, under floor radiant, wood boiler supplement, etc.
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.
Drawings:
BX305
BH310
UAW411
BL001
XX017
09/17/2014
Electric
HI TEMP MODEL
Instructions
240-volt, 1-stage
30A CB
240-volt, 2-stage
45A CB
240-volt, 2-stage
60A CB
™
4.5 kW
15,000 Btu/h
7 kW
24,000 Btu/h
9 kW
31,000 Btu/h
BI308

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Summary of Contents for Electro Industries EMB-H-5

  • Page 1 Electric Mini-Boiler ™ HI TEMP MODEL Installation & Operating Instructions EMB-H-5 240-volt, 1-stage 30A CB 4.5 kW 15,000 Btu/h EMB-H-7 240-volt, 2-stage 45A CB 7 kW 24,000 Btu/h EMB-H-9 240-volt, 2-stage 60A CB 9 kW 31,000 Btu/h Application – This Electro-Boiler is factory equipped with WarmFlo smart controller. WarmFlo automatically regulates outlet water temperature based upon preset, front panel, temperature selection.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Description Page System Components System or Water Flow Modulating Staging Control Zone Controller Safety Temperature Control Room Thermostat Placement Water Flow Calculation Installation Requirements Electric Supply Clearances Mechanical Installation Electrical Hookup Water Fill Procedure Operational Tips Troubleshooting Helps Drawings: BX305 BH310...

  • Page 3: System Or Water Flow

    TABLE 1 - ELECTRO-BOILER SPECIFICATION 240 volts, 60 Hz, single phase Model Btuh Rating Stages Min. GPM for 160° F Min. GPM for 144° F and above* and below EMB-H-5 15,000 5 kW 18.7A EMB-H-7 24,000 7 kW 29.1A EMB-H-9 31,000 9 kW 37.5A...

  • Page 4: Modulating Staging Control

    PVC conduit. If the slab is already poured without conduit for slab stat, use electronic remote sensing thermostat such as Electro Industries’ ES-24-BR. This type of device only requires a 5/16” hole drilled in the concrete at some center wall location.

  • Page 5: Installation Requirements

    INSTALLATION REQUIREMENTS 1. All installation work must be performed by trained, qualified contractors or technicians. Electro Industries, Inc., sponsors installation and service schools to assist the installer. Visit our web site at electromn.com for upcoming service schools. WARNING ALL ELECTRICAL WIRING MUST BE IN ACCORDANCE WITH NATIONAL ELECTRIC CODE AND LOCAL ELECTRIC CODES, ORDINANCES, AND REGULATIONS.

  • Page 6: Mechanical Installation

    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 7: Electrical Hookup

    Use drawing EH308 (with ES product) for hookup, note change in load control connection. Comment: If using an Electro Industries zone controller or zone valve type devices, the turn-on or operating thermostat control function will come from the zone controller W OUT.

  • Page 8: Water Fill Procedure

    7. Zone Valve – the installer may elect to totally wire in the zone valves where paralleling the end switches activate the control board R and W. However, if using EB-5415 or other Electro Industries’ zone controller, wiring is substantially easier and the W OUT goes directly to W input (verify there is a common on all secondary or auxiliary units).
  • Page 9 6. Open "water supply valve" and open household water supply source. This may be at normal household pressure (4Ø to 6Ø PSI), the auto-fill value regulator keeps the hydronics loop at its proper low pressure. 7. Allow system to circulate, discharging through drain valve, for at least 1Ø minutes. 8.

  • Page 10: Operational Tips

    OPERATIONAL TIPS 1. Indicator lights – there is a set of four indicator lights on the front cover. Figure 1 is a reproduction of the front decal giving definition and information for using these indicator lights. 2. Boiler power LED indicates 24-volt is present on the control board and is continuous on. Off could mean no 240 power, open manual reset (vessel top), open fuse, or bad transformer.

  • Page 11: Troubleshooting Helps

    WarmFlo control. In other words, with the jumper installed, a “W” input represents both stages, full on. Note: Basic 24V power must be present for the E-tab function to work. AVAILABLE, ELECTRO INDUSTRIES, INSTALL PARTS OR KITS EMB-BK MINI-BOILER PLUMBING KIT BASIC...

  • Page 18: Slab Stat

    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 •...

  • Page 19: 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 20: Xx017

    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 21 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.

This manual is also suitable for:

Emb-h-7Emb-h-9

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