THERMO 2OOO VOLTMAX 108 Installation And Operation Manual Download

Page: 30 / 69

TITRE:

Diagramme électrique

VOLTMA-STG: 23 @ 72 kW

208-240V / 1ph

NOM DE FICHIER:

VOLTMAX-SCR: 72-208/

240/1PH

PAGE

1 de 1

DATE IMPRESSION:

No DESSIN:

THERMO 2000 inc.

500, 9e avenue
Richmond (Québec)

J0B 2H0

REV.

DESCRIPTION

DATE

Par/Verif

TX-1

240-208V

x120V

Alimentation 120V Supply

voir détails de contrôle/See control details

R: Relais de puissance / Power relay

Circuit 240 & 208 x 1 ph Circuit

Basse tension 120VAC Low voltage

120VAC

de TX-1

LWCO

HL-MR

HL-AR

CR1

DO2-1

R-1

DO3-1

R-2

DO4-1

R-3

DO1-1

R-4

LWCO

(OPTION)

24Vac

Extension

R14

SCR

TX-2

120:24

40VA

Controler

TM171

Stage 2

Stage 3

Stage 4

Stage 5

Stage 6

SR-1

R-5

LWCO :

Bas niveau d’eau

/ Low water cut off

HL-MR: Haute limite manuel reset / High limit manual reset

HL-AR: Haute limite reset auto./ High limit automatic reset
SCR: Relais de modulation / Modulating relay

C : Contacteur principal /Main contactor
R: Relais de puissance / Power relay

Breaker

4 stg models

5 stg models

6 stg models

3 & 4 stg models

5 & 6 stg models

T out

CR1- 2

HL&LWCO

W2/DHW

120Vac

stg-5

stg-2

stg-3

stg-4

Filage en usine
Factory wiring

Filage au chantier
Field wiring

24Vac+

Outdoor

T sensor

BACnet

MSTP

24Vac

Sens. Ext.

RS485

Note

24Vac-

24Vac

TM171PFE03

TM171EP14R

DI4 DI3 DI2 DI1 AO2 AO1 G 24v+ 5v+ AI4 AI3 AI2 AI1 G

24VAC

DO1

DO2

DO3

DO4

DIP

SWITCH

CAN

24V:50mA

5V: 20mA

H GS

1 2

3 4

CAN

L H GS

G AI3 AI2

ETHERNET

24Vac

Bornes de raccordement de contrôles bas voltage
Low voltage Control terminal strip

stg-1

Stage 1

3 stg models

SR-2

R-5

stg-6

Summary of Contents for VOLTMAX 108

Page 1: ... provided to enable proper installation operation and maintenance of this product It is imperative that all persons who are expected to install operate or adjust this boiler should read these instructions carefully Any questions regarding the operation maintenance service or warranty of this electric boiler should be directed to the supplier When all installation steps have been completed keep thi...

Page 2: ... USER INTERFACE 34 4 1 1 Symbol description 34 4 1 2 Control panel 35 4 1 3 Navigation and adjustements 35 4 1 4 Main menu navigation 36 4 1 5 Navigation in boiler setting 37 4 2 MAIN MENU 39 4 2 1 Boiler status 39 4 2 2 Boiler configuration 39 4 2 3 User setting 39 4 2 4 Clock setting 40 4 2 5 Consumption 40 4 3 BOILER SETTINGS 40 4 3 1 Heating mode W1 41 4 3 2 Heating mode W2 DHW 41 4 3 3 Pump s...

Page 3: ...DE 59 4 10 4 Bi Energy MODE 60 4 11 LIMIT CONFIGURATION MENU SETTINGS 61 4 12 CONFIG ALARM MENU SETTINGS 62 4 13 OCCUPATION MENU SETTINGS 62 4 14 BOOST MENU SETTINGS 63 4 15 WARM WEATHER SHUTDOWN MENU SETTINGS 63 SECTION 5 BOILER START UP 64 5 1 FILLING THE BOILER 64 5 2 ADJUSTEMENT OF THE CONTROLLER OPERATING PARAMETERS 64 5 3 STARTUP PROCEDURE 64 SECTION 6 TROUBLESHOOTING 66 6 1 WARNING LIGHTS 6...

Page 4: ...W VOLTMAX 36 36 122 832 150 6 x 6 kW 3 x 12 kW 2 x 12 kW 1 x 12 kW VOLTMAX 40 40 136 480 166 7 8 x 5 kW 4 x 10 kW 3 x 10 kW 1 x 10 kW VOLTMAX 48 48 163 776 200 8 x 6 kW 4 x 12 kW 3 x 12 kW 1 x 12 kW VOLTMAX 55 55 187 660 229 2 5 x 5 kW 5 x 6 kW 5 x 11 kW 4 x 11 kW 1 x 11 kW VOLTMAX 60 60 204 720 250 10 x 6 kW 5 x 12 kW 4 x 12 kW 1 x 12 kW VOLTMAX 66 66 225 192 275 6 x 5 kW 6 x 6 kW 6 x 11 kW 5 x 1...

Page 5: ...W 1 x 15 kW 1 x 15 kW VOLTMAX 36 36 122 832 43 3 6 x 6 kW 2 x 18 kW 1 x 18 kW 1 x 18 kW VOLTMAX 45 45 153 540 54 1 9 x 5 kW 3 x 15 kW 2 x 15 kW 1 x 15 kW VOLTMAX 54 54 184 248 65 9 x 6 kW 3 x 18 kW 2 x 18 kW 1 x 18 kW VOLTMAX 60 60 204 720 72 2 12 x 5 kW 4 x 15 kW 3 x 15 kW 1 x 18 kW VOLTMAX 72 72 245 664 86 6 12 x 6 kW 4 x 18 kW 3 x 18 kW 1 x 18 kW VOLTMAX 75 75 255 900 90 2 15 x 5 kW 5 x 15 kW 4...

Page 6: ...99 337 788 95 3 9 x 5 kW 9 x 6 kW 3 x 33 kW 2 x 33 kW 1 x 33 kW VOLTMAX 108 108 368 496 103 9 18 x 6 kW 3 x 36 kW 2 x 36 kW 1 x 36 kW VOLTMAX 120 120 409 440 115 5 24 x 5 kW 4 x 30 kW 3 x 30 kW 1 x 30 kW VOLTMAX 132 132 450 384 127 12 x 5 kW 12 x 6 kW 4 x 33 kW 3 x 33 kW 1 x 33 kW VOLTMAX 144 144 491 328 138 6 24 x 6 kW 4 x 36 kW 3 x 36 kW 1 x 36 kW VOLTMAX 150 150 511 800 144 3 30 x 5 kW 5 x 30 k...

Page 7: ...PT F MIN CLEARANCES FOR INSTALLATION MAINTENANCE Left and Right sides 3 76mm Rear 3 76mm Front 24 610mm Bottom 0 0mm Top 32 813mm GENERAL INFORMATIONS Weight 310lbs 141kg Water Volume 11 Us gal 41 6 liters Max operating pressure STANDARD 30psi OPTION 70 PSI Available at 125PSI See Shop Drawing 99 180KW COMPONENTS IDENTIFICATION A Electrical main supply B Boiler controller C On Off switch D Disconn...

Page 8: ... 5 Access to the return sensor 1 2 NPT F MIN CLEARANCES FOR INSTALLATION MAINTENANCE Left and Right sides 3 76mm Rear 3 76mm Front 24 610mm Bottom 0 0mm Top 32 813mm GENERAL INFORMATIONS Weight 550lbs 250kg Water Volume 30 gal Us 113 5 liters Max operating pressure STANDARD 60psi OPTION 125 PSI COMPONENTS IDENTIFICATION A Electrical main supply B Boiler controller C On Off switch D Disconnect swit...

Page 9: ...ion In any case where instructions in this manual differ from local or national codes the local or national codes take precedence 2 2 CORROSIVE ENVIRONMENT The electric boiler must not be installed near an air duct supplying corrosive atmosphere or with high humidity content When a boiler defect is caused by such conditions the warranty will not apply 2 3 INSPECTION UPON RECEPTION Inspect the elec...

Page 10: ...ycol solution or an antifreeze water ethylene glycol solution specially designed for heating systems The maximum concentration of solution must be a maximum of 50 3 2 LOCATION The electric boiler should be installed in a clean dry location Long hot water lines should be insulated to conserve water and energy The electric boiler and water lines should be protected from exposure to freezing temperat...

Page 11: ...he DTH Ultra boiler to act as a back up controlled by the DTH Ultra the auxiliary boiler shall preferably be installed downstream of the electric boiler as shown on Figure 5 3 4 1 3 Safety valve The installation of a safety valve is an integral part of the boiler s installation The trigger point of the valve must not exceed the design pressure of the boiler as indicated on its registration and ide...

Page 12: ...let of the boiler on the highest point of the main supply piping It is imperative to ensure that all air possibly located in the boiler be eliminated at all time Regularly purge air from the pipes and beware that the heated water does not cause injury or damage If the boiler is located at a location higher than the heat distribution system such as a heated floor an automatic air eliminator should ...

Page 13: ...6 8 18 4 12 3 9 2 VOLTMAX 55 37 5 18 8 12 5 9 4 VOLTMAX 60 40 9 20 5 13 6 10 2 VOLTMAX 66 46 4 23 2 15 5 11 6 VOLTMAX 68 45 0 22 5 15 0 11 3 VOLTMAX 72 49 1 24 6 16 4 12 3 VOLTMAX 75 51 2 25 6 17 1 12 8 VOLTMAX 90 61 7 30 8 20 6 15 4 VOLTMAX 99 67 8 33 9 22 6 17 0 VOLTMAX 108 73 7 36 8 24 6 18 4 VOLTMAX 120 82 2 41 1 27 4 16 1 VOLTMAX 132 90 5 45 2 30 2 22 6 VOLTMAX 144 98 7 49 3 32 9 24 7 VOLTMAX...

Page 14: ...peration Manual Revised June 2017 Page 14 3 4 3 PRESSURE LOSS The graph of pressure loss due to friction of water inside the VOLTMAX boiler is shown in the following Figure 2 Pressure loss FTH as a function of the flow rate of heated water GPM ...

Page 15: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 15 Figure 3 Basic installation ...

Page 16: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 16 Figure 4 Basic installation with indirect water heater and radiator ...

Page 17: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 17 Figure 5 Dual Energy installation with a condensing boiler ...

Page 18: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 18 Figure 6 Multiple boiler parallel installation ...

Page 19: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 19 Figure 7 Basic installation with auxiliary boiler for production of domestic hot water and heating ...

Page 20: ... on top of it See the connection diagram on Figure 8 and Figure 9 Cables used for the connections shall resist temperature up to 90 C 3 5 3 1 Connecting the building heat demand signal Upon reception of a closed contact connected to terminals 24V and W1 or W2 the corresponding circulating pump P1 or P2 will start and the boiler will be allowed to operate If external controllers control the heating...

Page 21: ... terminals S Ext of the controller This sensor does not need to be connected if the boiler application is for a fixed set point operation N B Do not install a jumper if the outside sensor is not used Outdoor sensor location o Outside the building at a location that best represents the heat demand of the building a wall facing north for most of the buildings and on a south one on buildings with lar...

Page 22: ...ion and Operation Manual Revised June 2017 Page 22 Figure 8 ELECTRICAL CONNECTIONS OF THE INPUT AND OUTPUT SIGNALS TO THE CONTROLLER SCR MODEL Figure 9 ELECTRICAL CONNECTIONS OF THE INPUT AND OUTPUT SIGNALS TO THE CONTROLLER STG MODEL ...

Page 23: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 23 Figure 10 Control System Electrical Diagram SCR model 2 to 4 stages ...

Page 24: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 24 Figure 11 Control System Electrical Diagram SCR model 5 to 6 stages ...

Page 25: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 25 Figure 12 Control System Electrical Diagram STG model 2 to 6 stages ...

Page 26: ... GN CR1 2 HL LWCO W2 DHW W1 120Vac R2 stg 2 R3 stg 3 R4 stg 4 R5 stg 5 ALARM POMPE CHAUFF W1 POMPE W2 DHW SCR STATIC RELAY OCC On 5 6 stg models Note 1 COM Filage en usine Factory wiring Filage au chantier Field wiring CR 1 SR 1 0 10Vdc AUX AUX 24Vac 24Vac Outdoor T sensor BACnet MSTP 120 ohm 24Vac Sens Ext RS485 Note 2 Note 2 24Vac 24Vac 24Vac TM171PFE03 TM171EP14R TM171EP14R G DI4 DI3 DI2 DI1 AO...

Page 27: ...l ampérage max est inférieure à 120A In option on models on models having an amperage of 120A and less Press T in T out RD VT GN CR1 2 HL LWCO W2 DHW W1 120Vac R2 stg 2 R3 stg 3 R4 stg 4 R5 stg 5 ALARM POMPE CHAUFF W1 POMPE W2 DHW SCR OCC On 5 stg models Note 2 COM Filage en usine Factory wiring Filage au chantier Field wiring CR 1 SR 1 0 10Vdc AUX AUX 24Vac 24Vac Outdoor T sensor BACnet MSTP 120 ...

Page 28: ...liary boiler Note 2 Offert en Option sur les modèles dont le courant nominal est de 120A et moins Optional on models having a nominal amperage less than 120A Note 3 La configuration des éléments peut être en Delta ou en Y Heating element configuration could be in Delta or Y Press T in T out RD VT BK CR1 2 HL LWCO Bi Energ W2 DHW W1 120Vac R2 stg 2 R3 stg 3 R4 stg 4 R5 stg 5 ALARM POMPE CHAUFF W1 P...

Page 29: ...eur disconnect OPTION Fusible Fuse note 1 Note 1 En Option sur les modèles dont l ampérage max est inférieure à 120A Optional on models having an amperage less thant 120A Note 2 Ce contact est utilisé pour contrôler une chaudière auxiliaire sur les modèles ayant 4 stages et moins This contact is used to control an auxiliary boiler on models having 4stages and less Note 3 En option sur les modèles ...

Page 30: ...igh limit manual reset HL AR Haute limite reset auto High limit automatic reset SCR Relais de modulation Modulating relay C Contacteur principal Main contactor R Relais de puissance Power relay Breaker R2 R3 R4 R5 R6 CA 4 stg models 5 stg models 6 stg models 3 4 stg models 5 6 stg models T out RD VT BK CR1 2 HL LWCO W2 DHW W1 120Vac R5 stg 5 R2 stg 2 R3 stg 3 R4 stg 4 Filage en usine Factory wirin...

Page 31: ...ipal Main contactor R Relais de puissance Power relay Sectionneur disconnect OPTION R 3 B R 3 A Stage 2 Stage 3 EL 3 EL 2 EL 4 EL 5 CC Fusible Voir note 1 Note 1 En Option sur les modèles dont l ampérage max est inférieure à 120A In option on models on models having an amperage of 120A and less 4 stg models 5 stg models 4 stg models 5 stg models 4 5 stg models T out RD VT BK CR1 2 HL LWCO W2 DHW W...

Page 32: ...is statique Static relay T out RD VT BK CR1 2 HL LWCO W2 DHW W1 120Vac R5 stg 5 R2 stg 2 R3 stg 3 R4 stg 4 Filage en usine Factory wiring Filage au chantier Field wiring SR 24Vac Outdoor T sensor BACnet MSTP 120 ohm 24Vac Sens Ext RS485 Note 2 24Vac 24Vac TM171PFE03 TM171EP14R G DI4 DI3 DI2 DI1 AO2 AO1 G 24v 5v AI4 AI3 AI2 AI1 G 24VAC DO1 DO2 DO3 DO4 N DIP SWITCH CAN 24V 50mA 5V 20mA 1 2 3 4 5 6 7...

Page 33: ...ay C Contacteur principal Main contactor R Relais de puissance Power relay Sectionneur disconnect OPTION Fusible Fuse note 1 Note 1 En Option sur les modèles dont l ampérage max est inférieure à 120A Optional on models having an amperage less thant 120A Note 2 En Option sur les modèles de moins de 120kW Optional on models less than 120kW 1 2A Outdoor T sensor BACnet MSTP 120 ohm 24Vac Sens Ext RS4...

Page 34: ...ician The red light indicates that the unit is currently in a critical state high temperature alarm or in lock out mode More detail is provided in Section 6 Troubleshooting The controller can also be configured to activate an audible alarm and activate an external alarm signal when an alarm condition occurs causing the boiler to fail Figure 13 Illustration of the display 4 1 1 SYMBOL DESCRIPTION T...

Page 35: ...TION AND ADJUSTEMENTS The navigation within the display is done with the five pushbuttons on the right of the screen Navigation between the elements is done with the up and down arrows Use the right key to change the page in the menus The return key will bring you to the previous menu The return key returns you to the main display when it is pressed for 2 seconds or more The OK button confirms the...

Page 36: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 36 4 1 4 MAIN MENU NAVIGATION Figure 15 Main menu navigation ...

Page 37: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 37 4 1 5 NAVIGATION IN BOILER SETTING Figure 16 Navigation in boiler setting menu 1 2 ...

Page 38: ...VOLTMAX ELECTRIC BOILER Installation and Operation Manual Revised June 2017 Page 38 Figure 17 Navigation in boiler setting menu 2 2 ...

Page 39: ... the measurements of temperature pressure flow alarm summary version of the programme The set of variables presented in this menu are presented in Section 4 5 4 2 2 BOILER CONFIGURATION Configuration of the boiler operating mode This menu is accessible only to the installer or to an authorized person The options in the Boiler setting menu are detailed in Section 4 3 The Manufacturer access code gi...

Page 40: ... can be saved using the Save key And all saved report is available on the History tab The beginning of the consumption cycles can be reset using the Reset button The controller records up to 30 consumption report N B For the STG model the calculation of power consumption is based on a theoretical approach there may be differences between the actual consumption of the boiler and the consumption dis...

Page 41: ...temperature according to a 0 10VDC signal applied the terminal 0 10VDC and G produced by an external controller Ex Building Energy Management Controller The details of the parameters in this mode are presented in Section 4 6 3 4 3 1 3 Outdoor reset This operating mode makes it possible to modulate the boiler output set point temperature as a function of the outdoor temperature The outdoor temperat...

Page 42: ... SCR model A 0 10 VDC signal from a building management system can be used The signal is treated as a function in order to limit the maximum power In order to configure this mode you must connect the 0 10 VDC signal to the terminal block 0 10Vdc Cap and 0 10Vdc G Details of the variables in this mode are presented in Section 4 9 2 4 3 4 4 T EXT The maximum permitted power can be adjusted according...

Page 43: ...ils of the variables in this mode are presented in Section 4 10 1 4 3 5 3 Contact Ext This configuration mode makes it possible to operate the electric boiler or the auxiliary boiler according to a contact During a close contact at the BI E terminals the electric boiler is activated When the contact is open the auxiliary boiler will be on The auxiliary boiler will not be allowed to operate if the ...

Page 44: ...ic to this menu Details about this menu s operation are available in Section 4 12 4 3 8 COMMUNICATION The boiler controller can be connected via an Ethernet network communication port or using a BACNet protocol The boiler web portal can be accessed in a variety of ways You will be able to modify the parameters remotely on a web portal and to visualize the anomalies Direct connection between the co...

Page 45: ...ou must then enter the correct baud rate Ex For a BACnet MS TP communication protocol with a Metasys system the default baud rate is 38400 You must enter the correct MS TP address Ex For a BACnet MS TP communication with a Metasys system the address is 5 For more information on the BACnet protocol please refer to the appropriate documentation 4 3 9 OCCUPATION Setting the temperature lowering perio...

Page 46: ...orary and has a maximum duration of 120 minutes or when the request is terminated on W1 and W2 N B The BOOST mode is particularly interesting for applications such as o Applications with a programmable thermostat with automatic lowering of the building temperature o Return to normal heat demand after a prolonged period of sunshine where there have been no long term demands and therefore heating fl...

Page 47: ...b Default Gateway c Subnet mask d Primary DNS e Secondary DNS You must restart the device for the changes to take place 2 Access the Boiler Web Portal 3 Click on the Installer Communication menu 4 Enter your e mail under Recipient You can also use your own mail server by entering the necessary data 5 Then select the types of alarms you want to receive by e mail If you want to send alarms to differ...

Page 48: ...ge of the nominal power AV_CapLimitPrc Consumption The power consumption of the last cycle You must first begin a history cycle MAIN MENU CONSUMPTION Actual Current A This variable allows the reading of the current sensor inside the boiler This sensor is only available on SCR models AV_SigCaptCourant Demand W1 When requesting heating on W1 allowing the operation of the heating elements BV_HeatingW...

Page 49: ...er s internal temperature is higher than the threshold BV_AlarmIntHL 0 Normal operation 1 Alarm activated LL Alarm Alarm triggered by the boiler s lack of capacity BV_AlarmLL 0 Normal operation 1 Alarm activated Low Pressure Alarm Alarm triggered by a low pressure BV_AlarmLowPressure 0 Normal operation 1 Alarm activated High Pressure Alarm Alarm triggered by a high pressure BV_AlarmHighPressure 0 ...

Page 50: ...ingMod eW1 Selects the power limitation mode between Stop Modulation T Ext DCC 0 10VDC and Fixed 0 Stop 1 Outdoor Reset 2 DCC 0 10VDC 3 Fixed Fixed 4 6 1 FIXED MODE Configure the fixed set point temperature Display BACnet Variable Description Selection Default W1 Set point WP_FixedSTPT W1 Selects the fixed set point temperature when there is demand on W1 10 to 93 0 C 50 to 200 0 F 140 0 F ...

Page 51: ... Default Calculated SPTP AV_TBoilerSTP TCalculatedOU TRST Current set point temperature calculated based on the adjustment curve and the outside temperature 10 to 93 0 C 50 to 200 0 F STPT at Min Outd T WP_STPTatMin OutdT Boiler set point temperature when the outside temperature reaches the Min Outd T 10 to 93 0 C 50 to 200 0 F 140 0 F STPT at Max Outd T WP_STPTatMa xOutdT Boiler set point tempera...

Page 52: ...DC 0 10 VDC Display BACnet variable Description Parameters Default T STPT 0 10VDC AV_TBoilerSTPTCalculatedV This variable represents the set point temperature based on the voltage of the building control system 0 C or 0 F STPT at Min Volt WP_STPTatMinRemote010V Set point of the boiler temperature corresponding to the voltage level of Min Voltage 0 C or 0 F 80 0 F STPT at Max Volt WP_STPTatMaxRemot...

Page 53: ...mperature during demand on W2 terminale 10 to 93 0 C 50 to 200 0 F 175 0 F T Min Boiler WP_FixedSTPT W0 Selects the boiler s minimum temperature The boiler s heating elements will activate automatically to keep the hydronic system at the selected temperature 10 to 93 0 C 50 to 200 0 F 150 0 F 4 8 PUMP CONFIGURATION MENU SETTINGS 4 8 1 PUMP 1 Display BACnet Variable Description Selection Default Pu...

Page 54: ...DC Display BACnet variable Description Parameters Default Max capacity kW The calculated power value as a function of the current and the nominal operating voltage of the boiler 0 to maximum rated power kW at Min Volt The maximum permissible power of the boiler when the voltage of the external controller is at Min Voltage 0 to maximum rated power 0 kW at Max Volt The maximum permissible power of t...

Page 55: ...VDC controller is used to adjust the maximum power Display BACnet Variable Description Selection Default Current authorized max kW AV_ActualCapLi mitkW The value of power calculated based on the current and the boiler s nominal operating voltage 0 to maximum rated power kW Minimum Power Volt kW WP_MinRemote VCapLimit The boiler s maximum power when the external controller voltage is at Min Voltage...

Page 56: ...oltage 0 to maximum rated power Cap At T Ext Min WP_CapLimitatM inOutdT Maximum authorized capacity according to T Ext Min Ex Maximum power is 170 kW for T Ext min 0 to maximum rated power Cap At T Ext Max WP_CapLimitatM axOutdT Maximum authorized capacity according to T Ext Max Ex Maximum power is 120 kW for T Ext min 0 to maximum rated power Actual T Exterior AV_OutdoorT This variable allows you...

Page 57: ...ity allowed at present time 0 to maximum rated power Cap In Schedule WP_CapLimitDay Mode Power limitation when the boiler internal clock is within the power limitation schedule 0 to maximum rated power Cap Out Schedule WP_CapLimitNig htMode Power limitation when the boiler internal clock is outside the power limitation schedule 0 to maximum rated power Schedule Configuring the boiler power limitat...

Page 58: ...nd boiler as a backup Display BACnet variable Description Parameters Default STPT Source WP_STPTSource Aux Selects the source used to control the set point temperature Auxiliary means that the set point will be determined by the auxiliary boiler The VOLTMAX boiler therefore has no set point temperature and is only used to activate the auxiliary boiler relay Voltmax means that the set point tempera...

Page 59: ... determined by the VOLTMAX boiler External or internal Internal 4 10 3 MANUAL MODE Manual mode is used to select the system s operating mode Electric or auxiliary Display BACnet Variable Description Selection Default Active Boiler WP_ActiveBoiler This option selects which boiler is in operation either the VOLTMAX boiler electric or the auxiliary boilder auxiliary VOLTMAX ou Auxiliary 0 VOLTMAX 1 A...

Page 60: ...as no set point temperature and is only used to activate the auxiliary boiler relay Voltmax means that the set point temperature will be determined by the VOLTMAX boiler Auxiliary or VOLTMAX 0 Auxiliary 1 VOLTMAX VOLTMAX Delta T Start Aux WP_DeltaTStartA ux This option adjusts the temperature differential Set point temperature Water outlet temperature used to activate the auxiliary boiler 0 to 55 ...

Page 61: ...temperature differential to activate the LL alarm 0 to 55 C 0 to 99 F 20 F Delay LL min WP_DelayLL Adjusts the LL alarm trigger delay 0 to 180 min 60 min Pressure sensor WP_ActivatePressureSensor Activates the boiler s internal pressure sensor module OFF ON 0 Off 1 On ON Actual pressure AV_SensorPressureSignal Reads the boiler s internal pressure sensor Current sensor WP_ActivateCurrentSensor Acti...

Page 62: ...nalBuzzer Activates the controller s internal buzzer 0 Off 1 On On Deactivate LL alarm WP_DeactivateAlarmLL Deactivates the LL alarm 0 Off 1 On Off 4 13 OCCUPATION MENU SETTINGS Display BACnet Variable Description Possible Settings Default Occupation Mode WP_ActivateOccupationMode Activates the Occupation function 0 Off 1 On Source OCC WP_SourceOccupation Selects the source used to determine the b...

Page 63: ...able Description Possible Settings Default Warm Weather Shutdown WP_ActivateWarmWeatherSD Shuts down the boiler when the outside temperature reaches a specific temperature This temperature can be set in the Warm Weather Shutdown Temperature box OFF ON 0 Off 1 On OFF T Ext Shutdown WWSD WP_WarmWeatherSDTemp Sets the outside temperature that activates the Warm Weather Shutdown if it shuts down the b...

Page 64: ...boiler s water temperature It is more energy efficient to maintain a set point as low as possible while still meeting heating needs Safety and energy conservation are factors to be considered when setting the boiler water operating temperature The most energy efficient operation will result when the temperature setting of the controller is the lowest that satisfies the heating needs Make sure that...

Page 65: ...tem The boiler temperature shall gradually increase and the boiler capacity shall drop gradually and stabilize when the boiler temperature will reach a temperature near the target temperature 9 When the heating request is completed the circulating pump can continue to operate depending on the operating mode or the purge time or switch off The heating elements stop working 10 Check the operation of...

Page 66: ...the boiler according to the low water level sensor Standard on 120 kW models and higher or when the high temperature limit control detects a temperature higher than 210 F The external alarm contact will be activated immediately if it has been activated Ext Alarm Contact in the Alarm menu The heating elements stop working and will start again when the water level returns to normal If this alarm hap...

Page 67: ... within one hour When the lock mode is activated the boiler is deactivated and can only be restarted by restarting the boiler to the left of the control panel or by using the reset Lock Out function in the alarm setting menu Tableau 12 Resistance Ohm according to the outdoor sensor measuring temperature Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance F C...

Page 68: ... dripping condition occurs 7 3 AIR PURGE TWICE A YEAR Check for proper operation of the automatic air purgers and activate manual air vents to eliminate air present 7 4 ELECTRICAL INSPECTION ANNUALLY It is recommended to perform a visual inspection of the boiler electric compartment annually during the heating season to ensure it is watertight and that there are no signs of component or wiring ove...

Page 69: ...s its rights to make changes in the details of design construction or material as shall in its judgment constitute an improvement of former practices This warranty is valid only for installations made within the territorial limits of Canada and the United States Warranty service procedure Only authorized VOLTMAX retailers may handle warranty claims The owner or contractor must provide the defectiv...

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THERMO 2OOO VOLTMAX 108, Installation And Operation Manual

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