Introduction; Product Description - ECR International AT Serie Manuel D'installation, D'utilisation Et D'entretien

Introduction

• Boiler sizing is crucial. Calculate the maximum
hourly heat loss for each heated space in
accordance with procedures describes in The
Hydronics Institute manual H-22 (Heat Loss
Calculation Guide), or method suitable for local
conditions, provided results are in agreement.
• Select appropriate boiler based on accurate heat
loss calculation.
• Do not oversize boiler, sizing is critical for in-floor
radiant heat applications.
• This manual is intended to familiarize installer and
user of Electric Hydronic Block with its installation,
operation and maintenance to assure its normal
trouble free operation.
• Electric boilers are designed and manufactured
with quality components for maximum life,
durability and minimum service. Follow installation
instructions carefully before operating heating
system for optimum efficiency and satisfaction.
Unpacking
• Remove packaging and inspect unit for damage or
missing parts.
• Report any concealed damage or claims to carrier
immediately.
Standard Control Features
• Three character LED display
• Three button User Interface
• Error code display
• Element Staging and Rotation
• Dual set points for comfort heating and domestic
hot water
• Setting for Fahrenheit or Centigrade temperature
scales
• Water temperature heating range 90°-180°F (32-
82°C)
• Dry fire protection
• Connections for flow sensor and low water cutoff
• Load management control connection with
auxiliary heat source connection
• Freeze protection
• Circulator pump terminals
• 40 VA transformer
• Three wire thermostat connection
• Audible alarm
• Pump exercising
• Relay contact monitoring
• Non-Volatile memory
INTRODUCTION

Product Description

Electric Hydronic Block is heating device converts
electrical energy to heat energy through medium
of water. Simplified theory of this conversion is as
follows:
Electrical Energy x Conversion Factor = Energy
Kilowatts Of Electricity Used Per Hour x 3412 = British
Thermal Units (Btu/h) Available Per Hour For Heating.
• Information is basis used to establish Electric
Hydronic Block ratings (See Table 1 on page 6).
Since conversion process requires no combustion,
boiler operates with highest possible efficiency.
• Electric Hydronic Block is constructed with cast
iron boiler that conforms to American Society of
Mechanical Engineers (ASME) Boiler & Pressure
Vessel Code. Interior design allows just enough
water to be present for proper heating element
operation - no excess water is stored which would
cause undesirable thermal losses and longer
recovery times.
• Maximum Allowable Working Pressure Water (MAWP)
30 psi.
• Control system is assembled in modular package
keeping overall size and weight of Electric Hydronic
Block to minimum. Construction of entire Electric
Hydronic Block conforms to Canadian Standards
Association (CSA) Standards for Safety for Electric
Boilers.
Following important product information is located on
cabinet cover:
• Model Number
• Manufacturer's Serial Number
• BTU Rating
• Heating Element Ratings
• Water Pressure & Temperature Limits
• CSA Listing
• ASME Stamp
• Total Amps
• Clearance
• Electric Boilers are controlled by electronic control
board maintaining water temperature. Control
cycles heating elements based on heating demand,
and preset boiler outlet water temperature. Control
also operates 120 Vac circulating pump rated up
to 5 A. When thermostat calls for heat, control
will operate boiler to regulate water temperature
at pre-selected set point. System pump is on
whenever thermostat calls for heat.
• This product is not designed for use with aluminum
wiring.
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PN 240013676 REV. A [07/01/2022]