Electric boiler with integrated instantaneous water heater
capacity from 8 kw to 24 kw :
240 volts ( single phase )
with installation instructions for the contractor
Electric boiler with integrated instantaneous water heater (20 pages)
Summary of Contents for COMBOMAX 23-8
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Use and Care Manual With installation instructions for the contractor ® Your COMBOMAX electric boiler has been carefully assembled and factory tested to provide years of trouble-free service. This manual contains instructions for the safe and proper installation, operation and maintenance of the boiler, in order to ensure your full...
The manufacturer s responsibility ceases upon delivery of goods to the carrier in good condition. Consignee must file any claims for damage, shortage in shipments, or non- delivery immediately against carrier. COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
Set-up details follow. operating pressure to 30 psi. 3.5 HEATING WATER CIRCUIT This COMBOMAX electric boiler is designed for a maximum operating temperature of 190°F. 3.5.1 Connecting the heating water It is designed as a hot water heating system piping only.
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No valve of any type, restriction or reducer coupling should be installed in the 3.5.9 Circulator selection criteria discharge line. Local codes shall govern the The COMBOMAX boiler includes a pre- installation of relief valves. mounted circulator. The information below will help you select additional units for multiple 3.5.4 Operating pressure control :...
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The installation of copper unions or copper alloy unions is recommended on the HOT and COLD For example, a 24 Kw COMBOMAX boiler has water lines, so that the water heater may be a rated output of 81,964 BTU/hour. The system easily disconnected for servicing if necessary.
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6 above the floor, far from any live electrical the corresponding zone valve will be actuated parts. The discharge line must pitch downward and will in turn activate the COMBOMAX from the valve to allow complete draining and be circulator relay. Connect the zone valve switch to the T&T terminals on the COMBOMAX...
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120Vac electrical service 3.10 BI-ENERGY SETUP To take advantage of a special domestic electric utility rate, your COMBOMAX boiler can be combined with an existing oil or gas-fired furnace. Please contact your utility to make sure your building is eligible and to find out about the new wiring configuration.
Once the plumbing and electrical connections Each aquastat controls a boiler stage (in the are completed, your COMBOMAX unit is 240V model, each element has its own ready for automatic operation. aquastat). Adjust the setting of each aquastat by turning the dial scaled in degrees Celsius and 4.1 FILLING THE TANK...
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5°F below the demand, only one is activated ; if two are lowest heating element aquastat set point. required, two are activated, etc ... You thus COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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A higher boiler water temperature setting is now possible thanks to this moderating effect. The boiler water in the COMBOMAX tank acts as a buffer and increases the boiler efficiency as well as the amount of domestic hot water produced.
Section 5 : Maintenance Regular boiler maintenance will ensure trouble- flowing out. Upon releasing the lever, the safety free service for many years. It is recommended valve should shut tight. If it does not, it must be that you set up and follow a maintenance replaced by an identical or equivalent model.
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General Safety Precautions Be sure to read and understand the entire Use & Care Manual before attempting to install or operate this COMBOMAX unit. Pay particular attention to the following General Safety Precautions. Failure to follow these warnings could cause property damage, bodily injury or death.
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Figure 2 : General diagram, single zone COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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Figure 3 : General diagram, radiant floor application COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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Figure 4 : General diagram, multi-zones COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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Figure 5 : General diagram Dual Energy system without trhee way valve. COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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Figure 6 : General diagram Dual Energy with three way valve : COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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Figure 7: Dual Energy controller CBE-EM wiring diagram Diagramme électrique/ Wiring diagram Contrôle Bi-énergy avec chaudière Combomax Dual control energy CBE-EM with Combomax boiler 120 Vac Transfo 24 Vac Lumière haut tarif/ High tarif light Relais BTH, DTH/ BTH, DTH Relay Sonde extérieur/...
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Figure 8: Wiring diagram, single and multiple zones COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
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Figure 10: Parts list : 240V models COMBOMAX Electric boiler Set-up, use and care guide , Page (revised Aug.2012)
(1) A polybutylene pipe or radiant panel installation without an oxygen absorption COMBOMAX tank and exchanger is to be use in only one (1) dwelling. In the event barrier is used; or...