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General| Type | Condensing Gas Boiler |
|---|---|
| Model | VITOCROSSAL 200 CI2 Series |
| Efficiency | up to 98% |
| Heat Exchanger | Stainless Steel |
| Max Flow Temperature | 85°C |
| Fuel Type | Natural Gas / Propane |
| Control System | Vitotronic Control |
| Connection (Heating Flow/Return) | 1 1/4" |
| Noise Level | 50 dB(A) |
Read all applicable documentation before installation. Store near boiler for service personnel.
Information in documentation must be read and followed; failure voids warranty.
Installation, adjustment, service by licensed professional.
Improper installation can cause flue products to flow into living space.
Equipment requires fresh air for safe operation.
Air contaminated by chemicals can cause by-products.
Never operate without venting system; improper system causes poisoning.
Familiarize owner with equipment, safety, shutdown, and annual service.
Handling precautions and first aid for fiberglass/ceramic fibers.
Installation must comply with local, national codes (NFPA, CSA, ANSI).
Requirements for mechanical room, including temperature limits.
Massachusetts modifications to NFPA-54 chapter 10, CO detectors, signage.
Explanation of warning, caution, and important symbols used in the manual.
Boiler is for sealed unvented heating systems and heating water only.
Boiler location requirements, combustion air quality.
Requirements for flushing heating system piping before connecting boiler.
Dimensions for installation and maintenance clearances around the boiler.
Avoid air contamination, dust, humidity; ensure ventilation.
Step-by-step instructions for unpacking the boiler from its pallet.
Boiler placement on a load-bearing foundation and leveling.
Requirements for WiFi router, internet connection, and signal range for boiler.
Information on connecting the appliance via the LAN socket.
Diagram and specifications for boiler supply, return, and other connections.
Boiler suitability for hot water, safety header details.
Detailed diagram of safety header and connections.
Diagrams and legends for gas connections for different models.
Connecting gas pipe, leak testing, purge, and fuel supply recommendations.
Referencing codes, piping layout, pressure test, valve leak test.
Instructions for removing front panels to access control units.
Opening control unit cover and routing cables.
Location of control unit components for different models.
Overview of connections to the wiring panel and MZIO.
Connecting ventilation air supply, external blocking, 0-10V connections, sensor.
Outside temperature sensor, tank temperature sensor, assigning functions.
Connecting circulation pumps to P1, P2, ZP1, ZP2, ZP3.
Pump connection diagrams for various voltage supplies.
Checking CAN bus terminator switch setting, connecting cascade.
Accessories with direct power supply, connecting PlusBus subscribers.
Subscriber numbers of connected extensions and rotary switch settings.
Overview of DIN rail terminal block connections.
Accessory connections and DIN rail fuses F1 replacement.
Isolation valve and pump connection details.
Pump connection diagrams for different voltage supplies.
Connection of Low Water Cut-off Device.
Wiring diagrams and code compliance for boiler power supply.
Fitting the condensate trap on the flue gas side.
Requirements for condensate drain pipe, connections, and neutralization.
Connecting the neutralizing system (accessories) for condensate.
Requirements for boiler feed water, antifreeze, system flushing, and pressure.
General notes on system layout schematics and installation responsibility.
Diagram of a system with DHW tank, 3 zone circuits, and 3 mixing valve circuits.
Diagram of a system with DHW tank, 3 zone circuits, and 3 mixing valve circuits.
Diagram for multiple boilers with heating/zone circuits and DHW.
Diagram for multiple boilers with system pump and DHW.
Boiler piping for heating/cooling applications with refrigeration systems.
Connecting the flue outlet and flue pipe, and accessories.
Connecting flue gas collector, vent system installation, and pipe sizes.
Installation steps, safety warnings, and recommended venting practices.
Combustion air intake materials and pipe requirements.
Vent termination location requirements for Canada and USA.
Flashing and storm collar installation, combustion air intake.
Suppliers and requirements for stainless steel vent pipe.
Requirements for PP(s) and stainless steel vent pipe, suppliers.
Chart for vent material adaptors for different boiler models.
Combustion air supply requirements and boiler location.
Side wall vent termination requirements and diagrams.
Side wall vent termination requirements and component installation guide.
Table showing equivalent lengths for 45° and 90° elbows.
Vertical vent termination requirements and installation of support systems.
Diagram and specifications for vertical venting systems.
Diagrams for vertical vent installation on sloped and flat roofs.
Diagram and specifications for horizontal venting systems.
Diagram and specifications for mixed vertical/horizontal venting.
Diagram and specifications for vertical single-pipe venting.
Diagram and specifications for horizontal single-pipe venting.
Minimum distance requirements for horizontal and vertical vent terminations.
Safety instructions before operating and step-by-step operating procedures.
