Crown Boiler TWZ175 - Manual (Page 4)

2
table of contents
I. Product Description .............................................................. 2
II. Specifications ........................................................................ 2
III. Before Installing .................................................................... 3
IV. Locating the Boiler ............................................................... 4
V. Air for Combustion & Ventilation ......................................... 6
VI. Venting ................................................................................ 10
VII. System Piping Connections ................................................ 12
I Product Description
The TWZ series boiler is a cast iron oil-fired water boiler designed for use in closed forced circulation heating systems.
This boiler must be vented by natural draft into a lined masonry or metal chimney, or Type L vent. An adequate supply of
air for combustion, ventilation and dilution of flue gases must be available in the boiler room. An optional tankless heater is
available to generate domestic hot water.
II Specifications
VIII. Tankless Heater Piping................................... 16
IX. Fuel Line Piping ........................................... 17
X. Wiring ........................................................... 20
XI. Start-up and Checkout .................................. 23
XII. Service & Maintenance ................................ 25
XIII. Parts .............................................................. 28
FIGurE 1: GEnEral cOnFIGuratIOn *