Quick Start - Weil-McLain Ultra 3 Series Quick Start Manual

START-UP, ADJUST & TEST
• Follow the boiler manual instructions to clean the system
if needed, then fill and check water chemistry.
• Start up the boiler as directed in the manual. Use a
combustion analyzer where specified.
• Choose pre-loaded boiler settings, or customize settings
for various applications.
WIRE THE BOILER
• Connect power wiring and control wiring per boiler
manual wiring diagram.
• Connect system and DHW circulator wiring to the
terminals designated in the boiler manual.
INSTALL GAS PIPING
• Install a union and shutoff valve.
• No external drip leg is needed — it is already included in
the boiler's internal gas piping.
INSTALL CONDENSATE PIPING /
TUBING AND COMPONENTS
• Fill out the material checklist in this guide to ensure you
have the tubing or PVC pipe and all components you will
need for the condensate piping.
• Connection tee and internal components are supplied
with the boiler.
QUICK-START QUICK-START
(Follow all instructions in Boiler manual)
8 8
7 7
6 6
5 5
4 4
BEFORE INSTALLING . . .
• Make sure there is enough clearance for the boiler and all
water, gas and air piping. Verify vent/air termination can
be located as required.
• All models are shipped with the items needed for propane
conversion except the Ultra-80, which requires a separate
conversion kit (see material checklist).
• When wall mounting the boiler, obtain the wall-mount kit
(see material checklist).
Steps 2 – 6 can be done in any order —
just make sure that air, vent, water and gas
pipes will not interfere with one another.
INSTALL WATER PIPING
2 2
• See information at right.
• Refer to the material checklist in this guide for a list of
items needed.
INSTALL VENT & AIR PIPING
3 3
• See vent / air piping options at left.
• Refer to the material checklist in this guide for a list of
items needed.
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