Install Instructions

EXPRESS SETUP — using default settings
Part number 550-142-122/0513
62
TM
GAS-FIRED WATER BOILER — Boiler Manual
&IGURE Default boiler and temperature settings (for complete list and details, see instructions and figures on
pages 63-75).
 -!.$!4/29 #/.42/, 3%44).'3 — The
following settings must be checked and adjusted
if necessary: BOILER MODEL and HIGH AL-
TITUDE in BOILER SETTINGS menu. See
instructions on the following pages for menu
access and control settings.
1. 4HEECOCONTROLISSETUPTOSUPPLYONE$(7INPUT
ANDONE(%!4INPUT#IRCULATOROUTPUTSARERELAYS
CONTROLLEDBYTHEBOILERCONTROLMODULE
2. All heating zones use the same temperature settings (or
outdoor reset curve if outdoor sensor is connected — see
page 119).
3. DHW input is priority over the HEAT input.
4. DHW temperature settings are separate from heating settings
and DHW calls do not use the outdoor reset curve.
5. Default heating settings are for finned tube baseboard only.
(Other heat emitter types may require changes in the control
setup.)
6. Only one zone thermostat or end switch input is provided.
Use zone controllers for multiple zone systems.
7. Some of the default boiler and temperature setting are sum-
marized in Figure 68 below. Verify that these settings are
acceptable for the system type.
8. If the system qualifies for direct connect system piping
(guidelines on page 37), reference the following pages for
piping and control suggestions:
a. General guidelines—pages 37-40.
b. Zoned with zone valves—page 41.
c. Zoned with circulators—page 42.
9. If the system is piped using primary/secondary system pip-
ing, reference the following pages for piping and control
suggestions:
a. General guidelines—pages 43-46.
b. Zoned with zone valves—page 47.
c. Zoned with circulators (single temp heating)—page 48.
d. Zoned with circulators (multi-temp heating)—page 49.
Other control settings may need to be adjusted in
order for the control to operate the system most
effectively. To ensure proper operation, read all
instructions on pages 63-74 before starting up
the system. Failure to comply could cause system
problems.
Parameter Name Default setting Comments
Boiler Model Factory-set WARNING:
THIS MUST BE SET CORRECTLY FOR
SAFE OPERATION. See pages 67 and 68 if
not set correctly.
High Altitude No WARNING: IF INSTALLED AT ALTITUDES ABOVE 5,500
FEET, CHANGE SETTING. See pages 67 and
68 if not set correctly.
Supply Max (Heat only) 180° F
See pages 69 for suggestions based on system type.
Supply Min (Heat only) 130° F
OD Reset Max (Heat only) 70° F
OD Reset Min (Heat only) 0° F
Boiler Supply (DHW only) 185° F
See pages 70 -71. Consult tank supplier manual.