Biasi Riva Plus - User Manual

BOILER INSTALLATION, O
PERATION
INSTRUCTIONS
Riva
PLUS
WALL HUNG GAS BOILER FOR
CENTRAL HEATING SUPPLY
Please Read Instructions Carefully
Save for Future Reference
— Do not store or use gasoline or other flammable vapors and liquids
in the vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your
building.
• Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
• If you can not reach your gas supplier call the fire department.
— Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
Manufactured by:
Biasi S.p.A.
Verona, Italy
Distributed By:
Quincy Hydronic Technologies, Inc.
80 Rochester AVE. Suite # 12
Portsmouth, NH 03801
Phone: 603-334-6400
Fax: 603-334-6401

Summary

Boiler Safety Warnings

Important Information

Technical Information

Parts List

Electric Diagrams

Sequence of Operation

Installation Location

Exhaust Pipe Location

Mounting Bracket

Venting

Restrictor Sizing

Choice of Flue

Pipe Connections

Gas Pipe Connections

Electrical Connections and Wiring

12.1 Power Connection

Procedure for connecting the boiler to the electrical power supply.

12.2 Connection to the electricity supply

Room Thermostat Connection

Relay Panel Connection

Zone Valve Micro Switch Connection

Circulator Sizing

Piping

Primary - Secondary Piping

Primary - Secondary Piping with Zone Valves

Manifold Piping with Zone Valves

Commissioning

15.1 Initial filling of the system

Step-by-step guide for filling the heating system with water.

15.2 Lighting the boiler

Procedure for safely lighting the boiler and initiating operation.

Checking Gas Pressure at Burner

Adjustment of Gas Pressure

Checking the Ignition Device

Checking the Burner Ignition

Adjustment of Useful Central Heating Output

Checking Flue System and Combustion

Instructing the User

Gas Conversion

Annual Maintenance

17.1 Warnings

Safety precautions and advice for qualified personnel performing maintenance.

17.3 Emptying the Central Heating System

17.4 Cleaning the primary heat exchanger

Checking Expansion Vessel Pressurization

Cleaning the Burner

Checking the Flue System

Gas Pressures and Soundness

Condensate Trap Servicing

Biasi Riva Plus Specifications

General

Model	Riva Plus
Category	Boiler
Type	Combination
Fuel Type	Natural Gas
Efficiency Rating	A
Warranty	2 years
Mounting	Wall-mounted
Dimensions	700mm x 400mm x 250mm