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

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

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Mini-Boiler
Installation & Operating
EMB-H-1
EMB-H-2
EMB-H-4
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-MX 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.
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.
03/13/2019
Electric
HI TEMP MODEL
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
BI310

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Summary of Contents for Electro Industries Mini-Boiler EMB-H-1

  • Page 1 Electric ™ Mini-Boiler HI TEMP MODEL Installation & Operating Instructions EMB-H-1 120-volt, 1-stage – 1.1 kW 3,753 Btu/h EMB-H-2 120-volt, 1-stage – 2.5 kW 8,530 Btu/h EMB-H-4 120-volt, 2-stage – 5 kW 17,060 Btu/h EMB-H-5 240/208-volt, 1-stage 30A CB 4.5/3.5 kW 15,354/11,942 Btu/h EMB-H-7 240/208-volt, 2-stage...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Description Page System Components System or Water Flow Modulating Staging Control 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 UAW411...
  • Page 3: System Or Water Flow

    GENERAL The basic components for an electric energy heating system typically include: 1. Electric Mini-Boiler itself – covered by this manual. 2. Thermostat hookup control – covered by this manual. 3. Plumbing kit or piping material at the boiler itself – can be ordered as a kit, reference catalog number EMB-PK.
  • Page 4: Modulating Staging Control

    251.04 x 6° C rise 1506.24 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.
  • Page 5: Electric Supply

    , and manufacturer product liability. Electro Industries, Inc., cannot ETL/Intertek certification be held responsible for field modifications, incorrect installations, and conditions which may bypass or compromise the built-in safety features and controls.
  • 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

    ELECTRICAL HOOKUP Reference drawing BH310 WARNING DISCONNECT ALL ELECTRICAL POWER BEFORE ELECTRICALLY CONNECTING OR SERVICING THE UNIT. FAILURE TO DISCONNECT THE ELECTRICAL POWER BEFORE WORKING ON THIS PRODUCT CAN CREATE A HAZARD LEADING TO PERSONAL INJURY OR DEATH. 1. Panel breaker sizes – based upon the installed unit capacity, cover page shows model number/amps/kW, service from appropriate size panel breaker based on NEC code.
  • Page 8: Water Fill Procedure

    6. Load Management Interrupt Control (LMC) – this Mini-Boiler product has been pre-wired and designed for a power company load management receiver connection. This should not be altered in any manner! A. Remove wire-nut from blue pigtail wires. B. Extend the blue and blue/white wires to the power company load control device. As shipped, this unit is only equipped for off-peak = N.C.
  • Page 9 6. Open "water supply valve" and open household water supply source. This may be at normal household pressure (40 to 60 PSI), the auto-fill value regulator keeps the hydronic loop at its proper low pressure. 7. Allow system to circulate, discharging through drain valve, for at least 10 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 green LED indicates 24-volt is present on the control board and is continuous on. Off could mean no 240/208-volt power, open manual reset (vessel top), open fuse, or bad transformer.
  • Page 11: Troubleshooting Helps

    A flow switch is not included with the boiler. However, one can be added to the LMC circuit. Simply place the field provided flow switch in series with this circuit. NOTE: The “L/W” (J3) jumper must be in the “W” position. AVAILABLE, ELECTRO INDUSTRIES, INSTALL PARTS OR KITS EMB-BK MINI-BOILER PLUMBING KIT BASIC...
  • Page 12 EMB(S,H)* 12/04/18 1 of 2 BX305...
  • Page 13 EMB(S,H)* 12/04/18 2 of 2 BX305...
  • Page 14 EMB-S*, EMB-H* 03/19/19 1 of 2 BH310 G...
  • Page 15 EMB-S*, EMB-H* 03/19/19 2 of 2 BH310 G...
  • Page 16 DECAL + TITLEBLOCK...
  • Page 17 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 •...
  • Page 18 Electro Industries’ boilers come standard equipped with outlet temperature/pressure gauge, pressure relief safety valve, and when applicable, the WarmFlo electronic control sensors.
  • Page 19: Xx017

    Limited Product Warranty Effective November 1, 2009 Electro Industries, Inc. warrants to the original owner, at the original installation site, for a period of two (2) years from date of original purchase, that the product and product parts manufactured by Electro Industries, Inc.
  • Page 20 The decision whether to repair or, in the alternative, replace products or product parts shall be made by Electro Industries, Inc. or its authorized representative.

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