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BTH
M
odels ranging from 6 kW to 33 kW :
120/ 24 0 Vol t s ( 1 ph a se )
INSTALLATION & OPERATION MANUAL
Your BTH ULTRA Electric Boiler has been carefully assembled and factory tested to provide
years of trouble-free service. The following information and safety measures are 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, insert this installation manual in its original
envelope, and keep in a safe place (close to the boiler) for future reference.
THERMO 2000 INC.
Printed in Canada
ULTRA
Electric Boilers
revision : April 2011
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Summary of Contents for THERMO 2000 BTH ULTRA 6
- Page 1 When all installation steps have been completed, insert this installation manual in its original envelope, and keep in a safe place (close to the boiler) for future reference. THERMO 2000 INC. revision : April 2011 Printed in Canada...
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Page 2: Section 1: Dimensions And Specifications
Table 1: Electric Ratings for 120/240 VAC (1 phase) Electric Boilers: Current Wire** Fuse Model Total Heating with Elements Circulator BTH ULTRA 6 25.0 30.0 2 X 3KW 1X 3KW BTH ULTRA 8 33.3 38.3 1 X 5KW BTH ULTRA 10 41.6... - Page 3 Figure 1 : Component identification 24 1/2" BTH ULTRA Electric Boilers USE & CARE MANUAL Page (Revision April 2011)
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Page 4: Section 2: Introduction
General Safety Precautions Be sure to read and understand the entire Use & Care Manual before attempting to install or to operate this electric boiler. 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, ask for help from a qualified installer or technician. -
Page 5: Section 3: Installation
Section 3: INSTALLATION 3.2 LOCATION WARNING The electric boiler should be installed in a clean, dry location. Long hot water lines should be The manufacturer s warranty does not cover any damage or defect caused by installation, insulated to conserve water and energy. The or attachment, or use of any special electric boiler and water lines should be attachment other than those authorized by... -
Page 6: Piping Installation
3.4 PIPING INSTALLATION 3.4.1 Type of installation You will find below on figures 2 to 6 typical piping arrangement for the two main types of installation. The first being as a self operating unit and the others being coonected to an auxiliary boiler in dual-energy. Figure 2 Figure 3 BTH ULTRA Electric Boilers USE &... - Page 7 Figure 4 Figure 5 BTH ULTRA Electric Boilers USE & CARE MANUAL Page (Revision April 2011)
- Page 8 Figure 6 3.4.3 Pressure relief valve 3.4.2 Boiler piping An automatic pressure relief valve must be The outlet of the boiler is located on the top side, installed during boiler setup. The pressure rating and the inlet of the boiler is located on the bottom of the relief valve must not exceed 30 psi.
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Page 9: Electric Connections
Model F 40 An automatic water feeding system must be employed as required by codes. An automatic BTH ULTRA 6 fill valve must be used with a backflow preventer BTH ULTRA 8 as required, to maintain minimum system pressure BTH ULTRA 10 by supplying water to make up for leakage. - Page 10 A two stage thermostat could also be installed. Then the second heating stage would be used to activate the Boost program allowing the boiler target to be gradually increased (see section 4.10). 3.5.2.2 Multi-Zone systems Zoning with motorised valves The components shall be connected in such a way that when a thermostat is in demand, only the corresponding valve opens.
- Page 11 the boiler, it will be activated on heat calls from the If the installation is made as shown on fig.6, thermostat whatsoever the heating mode selected. then with a three way valve orienting the To do so, heating return water only in the operating Open the front access panel to the boiler boiler: Install a three wire 18ga cable between electric compartment where the controller is...
- Page 12 Figure 12 Figure 13 BTH ULTRA Electric Boilers USE & CARE MANUAL Page (Revision April 2011)
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Page 13: Section 4 : Adjustment Of The Controller
Figure 14 Section 4 : ADJUSTMENT OF THE CONTROLLER 4.1 INTRODUCTION The BTH Ultra boiler is mainly designed to be Outdoor reset installed on closed circuit applications where the water of the heating system flows directly from the 4.2 DISPLAYED INFORMATION boiler to the heating distribution system (Standard The electronic control uses an LCD display to parallel Piping system) -
Page 14: Operation Of The Interface
Figure 15 4.3 OPERATION OF THE INTERFACE The controller uses four push buttons at the bottom of the display to select and adjust the parameters. The button is used to access the configuration menu and confirm a selection. buttons are used to select an item or adjust a value. -
Page 15: Temperature Set Point
4.4 OPERATION IN FIXED BOILER TEMPERATURE SET POINT installation where boiler target temperature shall be maintained at a fixed temperature that will not vary in relation to the outdoor temperature, the sequence of operation will be as follow: On a call for heat from the room thermostat, the circulating pump will start and the boiler will activate the number of stages required to get to and maintain the outlet temperature of the boiler... -
Page 16: Purge Delay Of The Pump
4.6 PURGE DELAY OF THE PUMP In order to do this, the installer will first have to tell the controller if the application is in Dual- The controller offers the possibility to energy with an auxiliary boiler. The selection is stop the operation of the pump after an made by selecting the position Elect. - Page 17 Table 5 : ITEM DESCRIPTION RANGE DEFAULT Choose the units the user prefers to work with or C -Radiant Floor in concrete -Radiant Floor between joists Select the type of heating system on which the -Cast iron radiator boiler will be installed. Hot water baseboards -Radiant Floor in 100F...
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Page 18: Adjustments Of The Target Temperature By The User
4.9 ADJUSTMENTS OF THE TARGET Operation in Boost Option ON1 (default setting) The controller will engage the Boost program when TEMPERATURE BY THE USER: the heat demand on terminals TT has been maintained By pressing the the end user has for a pre-determined period according to the type of the possibility to offset the programmed target selected application. -
Page 19: Operation In Dual-Energy
4.11 OPERATION IN DUAL-ENERGY: terminals and when the auxiliary boiler temperature will be lower than the settings of its own temperature In Dual-energy mode, the display will indicate that this controls. mode is active in showing the icon If a three way valve is used on the piping as shown in fig.6, it will change position when the contact will close on AUX terminals and it will be the end switch of the If it is not shown, check the position of the switch... -
Page 20: Section 5: Start Up Operation
Section 5: START UP OPERATION elements shall gradually come on and the boiler SAFETY PRECAUTIONS temperature will increase. N.B. A rapid check of the operation of all the boiler Before operating this boiler, be sure to read and components could be made by pressing simultaneously follow these instructions, as well as the warnings the + and- buttons of the controller and maintaining printed in this manual. -
Page 21: Section 6 Maintenance
Section 6 MAINTENANCE 6.1 INTRODUCTION Properly maintained, your boiler will provide years of WARNING dependable, trouble free service. It is recommended Make sure that the power on the unit has been that a regular routine maintenance program be turned off before opening the electrical established and followed by the user. -
Page 22: Troubleshooting Table
Section 7- TROUBLE SHOOTING 7.1 TROUBLE SHOOTING TABLE PROBLEM CAUSES SOLUTION -There is no heating demand -Generate a heat demand The display shows in TARGET when the outdoor sensor -Temporarily increase the value of this TEMP is used and the icon setting on the controller configuration. - Page 23 the thermostat is not in demand. valves, one or many end (Systems with more than one switches included in the valve is thermostat) defective. -A jumper has been installed on -Make appropriate connections as terminals TT of the boiler shown in fig.14 An overheated plastic odour is Turn the power OFF to the boiler.
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Page 24: Bth Ultra Limited Warranty
Manufacturer. The replacement unit will be warranted for the remaining portion of the original Warranty. Thermo 2000 reserves its rights to make changes in the details of design, construction, or material, as in its judgment constitute an improvement of former practices.
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