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DESSIN D'ATELIER / GENERAL DIMENSIONS COMBOMAX XX-XX THERMO 2000 inc. Legeng/Légende: Figure 2 1) Boiler Water Supply Connection / Alimentation du chauffage (1" npt F) 2) Boiler Water Return/ Retour du chauffage (1" npt F) 3) Domestic Water inlet / Entrée eau domestique (3/4" Sweat F) 4) Domestic Water outlet/ 7 Sortie eau domestique (3/4" Sweat F) 5) Safety relief valve/ Soupape de sûreté (3/4" npt M.) 6) Temperature and pressure Gage/ Indicateur de Températur
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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 water heater. Pay particular attention to the following General Safety Precautions. Failure to follow these warnings could cause property damage, bodily injury or death. Should you have any problems understanding the instructions in this manual, STOP, and get help from a qualified installer or technician. Section 2 : Introduction ! WARNING
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Section 3 : INSTALLATION WARNING ! 3.3 CLEARANCE The manufacturer’s warranty does not cover The minimum clearances required for proper any damage or defect caused by installation inspection and servicing are as follows: or attachment or use of any special attachment other than those authorized by Table 4: Clearances the manufacturer into, onto, or in Left side 3 inches conjunction with the water heater. The use of Right side 3 inches such unauthorized d
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Install shutoff (ball) valves for servicing boiler or any part of the circuit. It is preferable to convenience. Install thermometers on the inlet use a calibrated diaphragm expansion tank. and outlet lines. 3.5.5 Makeup valve Never plug the pressure relief valve to avoid Connecting a makeup valve must be done creating a hazardous situation. according to code. This valve must include a flow-check valve to maintain the minimum 3.5.2 Flow-check valve operating pressure by admitting
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reverse-piping method to ensure equal flow through each boiler. Pump flow rate = Boiler output ÷ BWTD ÷ 500 The HOT WATER OUTLET and the COLD • Pump flow rate is expressed in U.S. gallons WATER INLET connections are clearly marked. per minute or GPM. Inlet water connections (COLD WATER INLET) • The Boiler output ( in net BTU per hour) is are to be made to the copper pipe (sweat the maximum amount of heat to be connection) at the bottom of the heater. Outlet transferred throu
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cold water supply line between the 3.7 BOILER WIRING MC COMBOMAX unit and flow check valve. The boiler cabling and grounding must conform Contact your installing contractor, water to local codes or, in their absence, to the supplier, local plumbing inspector or plumbing National Electrical Code. supply house for assistance. Power must be provided by a 120/240 volt 3.6.3 Recirculation line (if applicable) (single phase, 60 Hz) circuit, appropriately fused If a recirculation line
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3.11 BI-ENERGY SETUP To take advantage of a special domestic electric MC 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. Please refer to figures 7 and 8 for the set-up required. The CBE-EM bi-energy switching control (available as an option) is especially designed to satisfy utility requirements. The CBE-EM control s
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Section 4 : Operation ! SAFETY PRECAUTIONS Before operating this water heater, be sure to 4.3 ADJUSTING THE AQUASTATS read and follow these instructions, as well as Once all air has been bled from the system and the warnings printed in this manual. Failure all components (valves, bleeders, controls) have to do so can result in unsafe operation of the been properly adjusted, the boiler can be put water heater resulting in property damage, into operation. Never operate the boiler be
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Adjust the boiler aquastats as required. Please avoid excessive wear and tear on the note that lowering the setting will not have an components due to numerous on-off cycles and immediate effect as the heat stored in the boiler reduce your total heating costs. water must first be consumed. Check the boiler water temperature periodically. Further 4.5 DOMESTIC HOT WATER STARTUP adjustments may be required as the system Maximum boiler water temperature is 190°F. goes through several spac
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4.6 ADJUSTING THE MIXING VALVE A thermostatically controlled mixing valve works automatically thanks to the thermostatic element controlling the mix of very hot and cold water as required to provide safe domestic hot water under variable conditions. To adjust the mixing valve setting, carefully open a hot water tap. Protect yourself against the possibility of scalding. Measure the hot water temperature and adjust it with the mixing valve, following the manufacturer’s instructions.
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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. program. All components fail eventually. The use Never plug a safety valve. of incorrect replacement parts or disregarding safety procedures and warnings during repairs 5.5 SCALE B
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! General Safety Precautions Be sure to read and understand the entire Use & Care Manual before attempting to install MC 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. Should you have any problems understanding the instructions in this manual, STOP, and get help from a qualified installer or technician. To meet commercial hot water needs, the Maxi
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THERMO 2000 inc. Réducteur de pression/ COMBOMAX Reducing valve Figure 2 Eau chaude domestique/ Domestic hot water mixed Schéma d'installation général/ Valve de mélange thermostatique/ Thermostatic mixing valve General installation Simple Zone/ Anti retour/ Back flow preventer Valve de sécurité (T&P)/ Single Zone Eau froide domestique/ Safety valve (T&P) Domestic cold water supply Pompe/ à ajouter/ to add Tuyauterie chauffage/ Pump Boiler piping Thermostat Tuyauterie eau domestique/ Domestic
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THERMO 2000 inc. Eau chaude domestique/ COMBOMAX Réducteur de pression/ Domestic hot water mixed Reducing valve Figure 3 Schéma d'installation général/ Valve de zonage électrique/ General installation Electric zone valve Système multizones (valves)/ Valve de mélange thermostatique/ Multi-zone system using valves Thermostatic mixing valve Eau froide domestique/ Domestic cold water supply Anti retour/ Valve de sécurité (T&P)/ Tuyauterie chauffage/ Back flow preventer Safety valve (T&P) Boiler pi
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THERMO 2000 inc. Eau chaude domestique/ COMBOMAX Réducteur de pression/ Domestic hot water mixed Reducing valve Figure 4 Système primaire/secondaire Valve de zonage électrique/ Primary/Secondary system Electric zone valve Système multizones / Valve de mélange thermostatique/ Multi-zone system Thermostatic mixing valve Anti retour/ Tuyauterie chauffage/ Back flow preventer Boiler piping Valve de sécurité (T&P)/ Safety valve (T&P) Tuyauterie eau domestique/ Pompe/ Domestic piping à ajouter/ to
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Diagramme électrique/ Wiri ng diagram Figure 5 COMBOMAX 240V Modèle/Model 6 - 10 KW L1 G L2 N F R5 Voir/see note 2 HL C1 EL1 TH1 R4 CC C1 C1 EL2 TH2 120 V 24 V Légende/ Legend TH5 R1 TH Relais Aquastat R Relay R2 Lampe témoin Élément chauffant/ R3 Pilot light Heating element Fusible R3 Contacteur de puissance R3 C Fuse Power relay T T Cablage en usine/ R4 Chauffage/ Heating Factory wiring HL Haute limite Brun/ Brown Cablage par l'installateur/ B Hi-Limit Wiring by others Noir / Black AB Valve 3
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Diagramme électrique/ Wiri ng diagram COMBOMAX 240V : modèle/ model 15 - 24 KW Figure 6 L1 G L2 N F R5 Voir/see note 2 HL C1 EL1 TH1 R4 CC C1 C1 EL2 TH2 120 V EL3 24 V TH3 TH5 C1 C1 R1 EL4 R2 TH4 R3 R3 R3 T T Légende/ Legend R4 Chauffage/ Heating Brun/ Brown TH Relais B Aquastat R Relay Noir / Black AB Valve 3 voies / Bleu / 3-way valve Voir/see note 2 Lampe témoin R6 R1 Blue A Élément chauffant/ Pilot light Heating element Recirculation Fusible Contacteur de puissance R2 C Fuse Power relay Cont
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MC
COMBOMAX
Electric boiler with integrated instantaneous water heater
Models from 8 kW to 24 kW :
240 Volts ( single phase )
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 en
Resumo do conteúdo contido na página número 2
Section 1 : Technical specifications Table 1: Boiler specifications 240 Vac (single phase) : Power Nominal load in amps Fuse Wire Model Including Cu Amps Heating Kw BTU/h the elements circulator 1 X 3KW COMBOMAX XX-8 8 27 296 33.3 34.3 2 8 50 1 X 5KW COMBOMAX XX-10 10 34 120 41.6 42.6 2 X 5KW 2 6 60 2 X 3KW COMBOMAX XX-15 15 51 180 62.5 63.5 4 3 100 2 X 4.5KW COMBOMAX XX-18 18 61 416 75.0 76.0 4 X 4.5KW 4 3 100 COMBOMAX XX-20 20 68 240 83.4 84.4 4 X 5KW 4 2 125 COMBOMAX
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Figure 7 L1 Diagramme électrique/ Wiri ng diagram N Contrôle Bi-énergy/ Dual control ener gy CBE-EM 120 Vac Transfo 24 Vac Lumière haut tarif/ High tarif light H H V2 Relais/ Relay V3 E2 E2 V2 COMBOMAX Sonde extérieur/ Bi-energie/ Dual energy Outdoor sensor E1 Electrique/ Electric Mazout/ Oil SPDT T2 T Relais chaudière Relais/ Relay mazout/ Oil boiler Relay T1 T Interrupteur DPDT Switch ON-OFF-ON Electrique/ Electric Noir/ Black B V1 Brun/ Brown AB Bleu/ Blue A Cablage en usine/ Mazout/ Oil Fact
