Express Setup — Using Default Settings - Weil-McLain WM97+100 Manual

WM97+ Series 2
EXPRESS SETUP — using default settings
The following settings must be checked and
adjusted if necessary: BOILER MODEL and
HIGH ALTITUDE in BOILER SETTINGS
menu. Also enter information at the MAIN-
TENANCE INFO screen. See instructions
on the following pages for menu access and
control settings.
1.
2. All boilers MUST utilize the provided Outdoor
temperature sensor for outdoor reset functionality unless
exempt - see page 141.
3. All zones use the same temperature settings (or outdoor
reset curve if outdoor sensor is connected — see page 133).
4. The terminal units in the system must be finned tube
baseboard only. (Other terminal units require changes in
the WM97+ control setup.)
5. The control is set up to accept up to three inputs from
zone thermostats or end switches.
6. The WM97+ control will regulate boiler outlet water
temperature as follows:
a. Outdoor sensor installed (see page 141):
180°F at 0°F outside temperature
130°F at 70°F outside temperature
b. Outdoor sensor not installed (see page 141):
180°F fixed target temperature
7. If the system is
lines in Figure 82 and guidelines below the illustration.
8. If the system is
ure 83, page 73 or Figure 84, page 73, Figure 82 and
guidelines below each illustration.
Use Figure 84, page 73
the limitations given on page 47 and page 48.
Install a system circulator when applying Fig-
ure 83, page 73. Failure to comply could cause
system problems.
1. Wire the circulator outputs (CIRC 1, CIRC 2 and CIRC 3)
to the zone circulators. See Figure 78, page 68.
2. Wire the zone thermostats to the Zone 1, Zone 2 and Zone 3
inputs on the 24VAC terminal strip. See Figure 79, page 69.
WM97+ boiler :
Relief valve, supplied with
boiler, field piped — MUST
be piped to boiler supply
connection — see page 14 for
information.
Relief valve piping to drain —
see page 42.
Isolation valves.
Supplementary expansion
tank, diaphragm type, if used.
– 72 –
-
GAS FIRED WATER BOILER
—
.
, follow the guide-
, follow Fig-
if the system meets
Air separator.
Flow/check valves.
Purge/drain valves (one drain
valve is supplied loose with
the boiler).
Boiler circulator, with inte-
gral flow/check valve, factory
installed in boiler.
Primary/secondary by-
pass valve — see page 43 or
page 44 for information —
OPEN: Boiler connected as
primary/secondary.
— Boiler Manual
Using default control settings (
primary/secondary piping
The piping shown is adapted from Fig-
ure 58, page 51,
The WM97+ control settings would have to be
changed to allow DHW operation. Follow all
appropriate instructions on page 51.
Make-up water supply.
Backflow preventer, if used.
Zone circulators.
Pressure reducing valve, if
used.
Internal expansion tank,
diaphragm-type.
Quick-fill valve, if used.
Install pipe cap supplied with
boiler (see Figure 7, page 14).
)
.
Install drain valve supplied
with boiler (see Fig-
ure 7, page 14).
Pressure/temperature
gauge, supplied with boiler,
field piped.
Heating circuits.
Additional heating circuits, if
any.
= Items supplied with boiler
— all other items supplied by
installer.
Part number 550-142-204/0117