Weil-McLain Eco Tec 2 Series Advanced Manual
  1. Manuals
  2. Brands
  3. Weil-McLain Manuals
  4. Boiler
  5. Eco Tec 2 Series
  6. Advanced manual

Weil-McLain Eco Tec 2 Series Advanced Manual

Wall mount gas - fired condensing boilers – combi and heating only models
Hide thumbs Also See for Eco Tec 2 Series:
Table of Contents

Advertisement

Quick Links

Download this manual
Series 2
80/110/150/199
Wall Mount Gas - Fired
Condensing Boilers – Combi and Heating Only Models
Advanced Manual
Multiple Boiler Installation & Settings + Single Boiler Advanced Settings
This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual and
all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result in
severe personal injury, death or substantial property damage.
Part number 550-100-272/1021

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Eco Tec 2 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Weil-McLain Eco Tec 2 Series

Summary of Contents for Weil-McLain Eco Tec 2 Series

  • Page 1 Series 2 80/110/150/199 Wall Mount Gas - Fired Condensing Boilers – Combi and Heating Only Models Advanced Manual Multiple Boiler Installation & Settings + Single Boiler Advanced Settings This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual and all other information shipped with the boiler, before installing.

  • Page 2: Table Of Contents

    ® series 2 gas-fired water boiler – advanced manual Contents Follow all instructions for installation, start-up and servicing in the ECO Tec boiler manual. ECO Tec Control — Overview Use this Advanced Manual for multiple boiler installation guidelines and control settings and Combi Models —...

  • Page 3: Eco Tec Control - Overview

    ® series 2 gas-fired water boiler – advanced manual ECO Tec Control — Overview ECO Tec Figure 1 Control sequence of operation control overview y Control inputs and outputs allow operation of multiple heating circuits (space heating and DHW, for example). Display y Up to three priority levels can be set, providing automatic switch-over Control action...
  • Page 4 ® series 2 gas-fired water boiler – advanced manual ECO Tec Control Overview — (continued) Control features continued y When a Local Priority input becomes active (switch closes), Up to four (4) configurable outputs, including one (1) internal modulation for that input is not controlled by the Master, but ‰...
  • Page 5 ® series 2 gas-fired water boiler – advanced manual ECO Tec Control Overview — (continued) y Each boiler has up to four (4) input/output pairs (INPUT/ 2. In the examples of Figure 2, this occurs at 70 °F (the factory default). OUTPUT 1, 2, 3 and 4) for Heating Only boilers, 2 and 3 OUTDOOR TEMP FOR MAX TARGET for Combi models.

  • Page 6: Combi Models - For Dhw Piping

    ® series 2 gas-fired water boiler – advanced manual ECO Tec Control Combi Models — — Overview For DHW piping (cont.) MAX TARGET TEMP Set Max Target Temp to the required supply water temperature Domestic Water Piping – Combi Boiler for the system at design maximum heat loss (typically 180°F for finned tube baseboard on new installations).

  • Page 7: Multiple Boiler Installations

    ® series 2 gas-fired water boiler – advanced manual Multiple boiler installations Placing multiple boilers Figure 4 ECO Tec Side-to-side mounting of multiple boilers 1. Locate multiple boilers with spacings shown in Figure 4. Provide the indicated clearances around boilers for access and servicing.
  • Page 8 ® series 2 gas-fired water boiler – advanced manual Multiple boiler installations (continued) Easy-Fit piping installation ® Maximum connected load per manifold: 1. Main header and Easy-Fit® Manifold pipe sizing. 2-inch manifold — 450 MBH a. Size system piping as required for the flow. 3-inch manifold —...
  • Page 9 2 gas-fired water boiler – advanced manual Multiple boiler installations (continued) Figure 8 Piping schematic — typical piping for multiple ECO Tec boilers, using Weil-McLain Easy-Fit manifolds (adjust boiler connections as required for other boiler models) Legend — Figure 8 1 Flow/check or spring check valve.

  • Page 10: Express Setup - Requirements By Boiler

    ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP — Requirements by Boiler EXPRESS SETUP DHW circuit in system — For high-demand DHW circuits, the control setting for MIN BOILERS must ECO Tec control takes advantage of the EXPRESS Setup be set using the NETWORK ...

  • Page 11: Express Setup - The Wizard

    ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP — Steps must be used when using the procedure. This is necessary to ensure that all required settings are WIZARD EXPRESS Setup ECO Tec made. In addition, all instructions in the boiler manual must be followed completely.
  • Page 12 ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP — The WIZARD y The is available on the initial setup of the boiler. It can however y The leads through a step-by-step WIZARD WIZARD be accessed later. If the is accidentally by-passed, follow naviga- setup procedure designed for the applica- WIZARD...
  • Page 13 ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP— The WIZARD (continued) WIZARD • Each boiler provides four (4) input/output pairs for Heat Only INPUT/ models and two (2) input/output pairs for Combi models. Each OUTPUT WHAT IS THE USE OF INPUT/OUTPUT – 2? pair can be setup to function as a call for heat with output WIZARD HEAT DEMAND...
  • Page 14 ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP — The WIZARD (continued) • SYSTEM TYPE – Read only (assigned in previous step). PRIORITY SETTINGS • TARGET MOD SENSOR – Read only for network boilers, WIZARD adjustable for single boilers – Shows which sensor reading is SCREEN used for modulation.
  • Page 15 ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP— The WIZARD (continued) • The timings set on this screen prevent the boiler from operating PRIORITY too long on one demand if another demand is present. They also TIMERS prevent short cycling on a demand.
  • Page 16 ® series 2 gas-fired water boiler – advanced manual EXPRESS SETUP — The WIZARD (continued) • Use this screen to enter relevant data about the Contractor MAINTENANCE (installer) and boiler. WIZARD WIZARD • See Figure 43, page 72 for full explanation of the inputs on SCREEN this menu.

  • Page 17: Express Setup - Typical Application A

    1 Flow/check or spring check valve. 2 Isolation valves (when used). 21 Indirect-fired storage water heaters (Weil-McLain Aqua Plus Line shown) — Example is shown connected to one boiler of the system. Setup is shown on the next 3 Caps.
  • Page 18 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application A (cont.) Purpose Field Wiring LEGEND for y Space heating with multiple zones using system Applications A, B, C and D pump or zone circulators. y Zoning with circulators or zone valves. y DHW piped directly to the Shadow 2 boiler.
  • Page 19 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application A (cont.) See Legend on page 18 for Item number identification. Master Boiler – Field Wiring Service switch Neutral 120VAC Power Ground To Shadow 2 BK, W, G Zone 3 Zone Circulator 2.2A Max.
  • Page 20 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application A (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. Figure 10 Typical Application A —...

  • Page 21: Express Setup - Typical Application B

    1½ DHW3 Legend — Figure 11 Flow/check or spring check valve. Indirect-fired storage water heaters (Weil-McLain Aqua Plus Line shown) — This piping is Isolation valves (when used). Example is shown with each water heater having its own circulator. Alternate: suggested only.
  • Page 22 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application B (cont.) Purpose y Space heating with multiple zones using system pump or zone pumps. y DHW connected to primary with a secondary connec- tion. Multiple DHW tanks are zoned with circulators. y DHW priority—...
  • Page 23 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application B (cont.) See Legend on page 18 for Item number identification. See next page for Shadow boilers 3 & 4. Part number 550-100-272/1021 – 23 –...
  • Page 24 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application B (cont.) See Legend on page 18 for Item number identification. Shadow 3 Boiler – Field Wiring Service switch Neutral 120VAC Power Ground From Shadow 2 Boiler BK, W, G Zone Circulator 2.2A Max.
  • Page 25 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application B (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. Figure 12 Typical Application B —...

  • Page 26: Express Setup - Typical Application C

    ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application C Figure 13 Typical Application C — Piping layout — typical piping for multiple ECO Tec Heating Only boilers , using isolation exchanger (adjust boiler connections as required for other boiler models) Blr 1 Use isolation heat exchanger for: 1.
  • Page 27 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application C (cont.) See Legend on page 18 for Item number identification. See next page for Shadow boilers 3 & 4. Part number 550-100-272/1021 – 27 –...
  • Page 28 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application C (cont.) See Legend on page 18 for Item number identification. – 28 – Part number 550-100-272/1021...
  • Page 29 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application C (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. Purpose DHW system not shown.

  • Page 30: Express Setup - Typical Application D

    20 Boiler relief valve and discharge piping, installed per ECO Tec boiler manual. 3 Caps. 21 Indirect-fired storage water heaters (Weil-McLain Aqua Plus Line shown) — 4 Easy-Fit® Manifold (supply) — layout and size per page 8. Example is shown connected to one boiler of the system. Setup is shown on the next page for this configuration and also for the option of a DHW tank installed as a 5 Easy-Fit®...
  • Page 31 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application D (cont.) See Legend on page 18 for Item number identification. Master Boiler – Field Wiring (Heating Only Model) Service switch Neutral 120VAC Power Ground To Shadow 2 BK, W, G Zone 3 Zone Circulator...
  • Page 32 ® series 2 gas-fired water boiler – advanced manual EXPRESS Setup — Typical Application D (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. Figure 16 Typical Application D —...

  • Page 33: Field Wiring (See Wiring Diagram, )

    ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) Wiring must be NEC Class 1. If original wiring as ELECTRICAL SHOCK HAZARD — supplied with boiler must be replaced, use only type For your safety, turn off electrical power 105 °C wire or equivalent.
  • Page 34 ® series 2 gas-fired water boiler – advanced manual Field wiring (continued) 3. Wires should be connected directly into the correspond- Figure 17 Field wiring overview - Line and low voltage ing terminal block. entrances 4. Low water cutoff harness should be routed from location shown in page 41 to control module connection shown in Section G, page 38.
  • Page 35 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) (continued) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW (if needed) and Input 3 for Space Heating applications. A.
  • Page 36 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) (continued) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW (if needed) and Input 3 for Space Heating applications. C.
  • Page 37 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) (continued) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW (if needed) and Input 3 for Space Heating applications. D.
  • Page 38 1. Install a low water cut-off (required - Install supplied) 2. Wiring Weil-McLain LWCO Kit: a. When possible, use the Weil-McLain Low water cut-off kit listed in the back of this manual. It includes a probe-type low water cut-off and provides a simple harness connection for the wiring.
  • Page 39 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) (continued) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW (if needed) and Input 3 for Space Heating applications. J.
  • Page 40 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) (continued) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW (if needed) and Input 3 for Space Heating applications. L.
  • Page 41 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW (if needed) and Input 3 for Space Heating applications. N.
  • Page 42 ® series 2 gas-fired water boiler – advanced manual Field wiring (see wiring diagram, Figure 18, page 44) O. Touch screen display connections – Display to Control Connector J13 or J14 1. The electronic color touch screen display is factory wired to the control and is connected to the J13 or J14 connector.
  • Page 43 ® series 2 gas-fired water boiler – advanced manual Page Intentionally Blank Part number 550-100-272/1021 – 43 –...

  • Page 44: Wiring Diagram - Schematic

    ® series 2 gas-fired water boiler – advanced manual Wiring diagram — schematic Figure 18 ECO Tec schematic wiring diagram (see Figure 19, page 46 for legend and notes) – 44 – Part number 550-100-272/1021...
  • Page 45 ® series 2 gas-fired water boiler – advanced manual Wiring diagram — schematic (continued) Part number 550-100-272/1021 – 45 –...

  • Page 46: Wiring Diagram - Ladder

    ® series 2 gas-fired water boiler – advanced manual Wiring diagram — ladder Figure 19 ECO Tec ladder wiring diagram (see Figure 18, page 44 for schematic wiring diagram) – 46 – Part number 550-100-272/1021...
  • Page 47 ® series 2 gas-fired water boiler – advanced manual Wiring diagram — ladder (continued) Part number 550-100-272/1021 – 47 –...

  • Page 48: Zoning With The Eco Tec Control

    ® series 2 gas-fired water boiler – advanced manual Zoning with the ECO Tec Control Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW and Input 3 for Spacing Heating applications. A.
  • Page 49 ® series 2 gas-fired water boiler – advanced manual Zoning with the ECO Tec Control (continued) Combi models use Input/Output pairs 1 and 4 for 3-way valve operation and cannot be used for any other purpose. Use Input 2 for Indirect DHW and Input 3 for Spacing Heating applications. B.

  • Page 50: Control Operation

    ® series 2 gas-fired water boiler – advanced manual Control operation Figure 20 Boiler essential settings (REQUIRED on initial start-up) WM Logo Screens shown above are typical only. Screen branching options Actual screens depend on control settings 1. Occurs when a control is powered up after being chosen.

  • Page 51: Control Settings Menus

    ® series 2 gas-fired water boiler – advanced manual Control settings menus Figure 21 ECO Tec control display screens and typical navigation – Advanced mode, multiple boilers WM Logo Keyboard: Appears when editing name of inputs/outputs and contractor information. Navigation controls Swipe: Slide finger left or right on the screen to navigate forward and backward on applicable screens.
  • Page 52 ® series 2 gas-fired water boiler – advanced manual Available control settings and system presets ECO Tec Figure 22 Control / Priority settings PRIORITY SETTINGS Range/ Default COMBI PARAMETER NAME UNITS options setting default • 1, 2, 3, 4, 0-10V, FLOW ––...
  • Page 53 ® series 2 gas-fired water boiler – advanced manual Available control settings and system presets ECO Tec Figure 23 Control / Priority settings (continued) PRIORITY SETTINGS Range/ Default COMBI PARAMETER NAME UNITS options setting default OFF, 1 - 240 • MAX ON TIME OFF, 1 - 240 •...
  • Page 54 ® series 2 gas-fired water boiler – advanced manual Available control settings and system presets ECO Tec Figure 24 settings available Menus and Items Default setting Range/options AUTO AUTO or 100 to 32,000 MBTU’s • MAX SYS MBH (Network priorities only) 1 to 8 •...
  • Page 55 ® series 2 gas-fired water boiler – advanced manual Available control settings and system presets Figure 25 System Type Presets (each option shown with factory settings) System Type 8-Character 3-Character Target Target Abbreviation Abbreviation Temp °F Temp °F Fan-coil FAN-COIL Finned Tube Baseboard FIN BASE Cast Iron Baseboard...

  • Page 56: Homeowner Navigation Menus

    ® series 2 gas-fired water boiler – advanced manual HOMEOWNER NAVIGATION menus Boiler Model, Altitude and Fuel Type are 1. Access contractor menus by pressing and holding the WM critical settings. Failure to set correctly could Logo for 7 seconds from the home screen. result in severe personal injury, death or substantial 2.

  • Page 57: Bluetooth

    ® series 2 gas-fired water boiler – advanced manual HOMEOWNER NAVIGATION menus (continued) Boiler Model, Altitude and Fuel Type are 1. Access contractor menus by pressing and holding the WM critical settings. Failure to set correctly could Logo for 7 seconds from the home screen. result in severe personal injury, death or substantial 2.

  • Page 58: Contractor Menus

    ® series 2 gas-fired water boiler – advanced manual CONTRACTOR menus Boiler Model, Altitude and Fuel Type are 1. Access contractor menus by pressing and holding the WM critical settings. Failure to set correctly could Logo for 7 seconds from the home screen. result in severe personal injury, death or substantial 2.

  • Page 59: Boiler Settings Menu

    ® series 2 gas-fired water boiler – advanced manual BOILER SETTINGS menu Boiler Model, Altitude and Fuel Type are 1. Access contractor menus by pressing and holding the WM critical settings. Failure to set correctly could Logo for 7 seconds from the home screen. result in severe personal injury, death or substantial 2.

  • Page 60: Network Settings Menu

    ® series 2 gas-fired water boiler – advanced manual NETWORK SETTINGS menu Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM- cal settings. Failure to set correctly could result in Logo for 7 seconds. severe personal injury, death or substantial property 2.

  • Page 61: Rotation And Sequence

    ® series 2 gas-fired water boiler – advanced manual ROTATION AND SEQUENCE Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM- cal settings. Failure to set correctly could result in Logo for 7 seconds. severe personal injury, death or substantial property 2.
  • Page 62 ® series 2 gas-fired water boiler – advanced manual ROTATION AND SEQUENCE (continued) Figure 32 ECO Tec sequencing options — SMART, PARALLEL or SERIES (examples shown for 3-boiler network) SMART Sequencing PARALLEL Sequencing SERIES Sequencing Fewest Running Boilers Max Efficiency STAGE 1 –...
  • Page 63 ® series 2 gas-fired water boiler – advanced manual ROTATION AND SEQUENCE (continued) Figure 33 Boiler sequencing — adding and dropping boilers Part number 550-100-272/1021 – 63 –...

  • Page 64: System Settings

    ® series 2 gas-fired water boiler – advanced manual System Settings Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM Logo for 7 seconds from the home screen. cal settings. Failure to set correctly could result in severe personal injury, death or substantial property 2.

  • Page 65: Network Boiler Priority Menu

    ® series 2 gas-fired water boiler – advanced manual Network Boiler PRIORITY menu Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM Logo for 7 seconds from the home screen. cal settings. Failure to set correctly could result in severe personal injury, death or substantial property 2.
  • Page 66 ® series 2 gas-fired water boiler – advanced manual Network Boiler PRIORITY menu (continued) Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM Logo for 7 seconds from the home screen. cal settings.
  • Page 67 ® series 2 gas-fired water boiler – advanced manual Network Boiler PRIORITY menus (continued) Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM- cal settings. Failure to set correctly could result in Logo for 7 seconds.
  • Page 68 ® series 2 gas-fired water boiler – advanced manual Network Boiler PRIORITY menus (continued) Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM- cal settings. Failure to set correctly could result in Logo for 7 seconds.
  • Page 69 ® series 2 gas-fired water boiler – advanced manual Network Boiler PRIORITY menus (continued) Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM Logo for 7 seconds from the home screen. cal settings.
  • Page 70 ® series 2 gas-fired water boiler – advanced manual AUX Pump/Output Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM Logo for 7 seconds from the home screen. cal settings. Failure to set correctly could result in severe personal injury, death or substantial property 2.

  • Page 71: Network Inputs Menu

    ® series 2 gas-fired water boiler – advanced manual NETWORK INPUTS menu Boiler Model, Altitude and Fuel Type are criti- 1. Access contractor menus by pressing and holding the WM- cal settings. Failure to set correctly could result in Logo for 7 seconds. severe personal injury, death or substantial property 2.

  • Page 72: Service Menus

    ® series 2 gas-fired water boiler – advanced manual SERVICE menus Figure 43 SERVICE menus — navigation Service Info Comment Name Contractor name to appear in maintenance reminders and during lockouts. Phone Contractor phone number. Model Displays the boiler model selected in the boiler setup. CP Number Enter the Consumer Protection (CP) number of the boiler.

This manual is also suitable for:

Eco tec 80Eco tec 110Eco tec 150Eco tec 199

Table of Contents