Honeywell W8735ER Installation Instructions Manual page 6

W8735ER WIRELESS OUTDOOR RESET MODULE
Table 3. Warm Weather Shutdown Settings and Defaults.
Minimum
Parameter name value
40 F (or Off) 70 F
Warm Weather
Shutdown
BOILER
TEMPERATURE
HIGH LIMIT
MINIMUM BOILER
TEMPERATURE
MINIMUM
OUTDOOR
TEMPERATURE
Fig. 5. Outdoor temperature setback curve with boost.
As Outdoor Temp reaches the Warm Weather Shutdown set-
point (if enabled), the boiler is kept from cycling and will only
service DHW demands if the Aquastat Zr terminal is
configured for Domestic Hot Water request. See Table 4 on
page 6.
66-1202—01
Maximum
Value Default
Off
BOOST
STEP
BOOST
MAXIMUM OUTDOOR
OUTDOOR TEMPERATURE
TEMPERATURE
M29557
Table 4. Programming Parameters.
Aquastat
HL_ High Limit.
Hdf High Limit Differential.
LL**_ Low Limit.
Ldf Low Limit Differential.
ELL***
ZR input configured as External Low Limit (ON/OFF)
duu ZR input configured as external Domestic Hot Water
(DHW) request (ON/OFF)
ASC Anti Short Cycle Timeout (seconds); "OFF" is
disabled.
otL Outdoor Temperature Low (minimum) parameter for
the outdoor reset curve (F or C)*
otH Outdoor Temperature High (maximum) parameter for
outdoor reset curve (F or C)*
btL Boiler Temperature Low (minimum) parameter for
outdoor reset curve*
bP Boost Period (minutes). "OFF" is displayed if Boost is
inactive*
Boost step (F or C) shown only if Boost is active
bS
(bP=ON)*
Warm Weather Shutdown Temperature (F or C)*
UUS
Thermal Purging Limit Temperature (F or C),
tPL**
"OFF" if disabled.
tPt** Thermal Purging Time Delay (minutes), shown only
if tPL is enabled
PC Pump Cycling (ON/OFF)
Temperature units (F or C)
F-C
*Settings available for adjustment on the 3-digit Aquastat
display only when the "Outdoor Reset Module" is installed.
**Not displayed when connected to an L7248 Aquastat
Control.
***Only displayed when connected to an L7248L Aquastat
Control.
IBC
HL_ High Limit.
Hdf High Limit Differential.
Or_ Pump Overrun Time
otL Outdoor Temperature Low (minimum) parameter for
the outdoor reset curve (F or C)
otH Outdoor Temperature High (maximum) parameter for
outdoor reset curve (F or C)
btL Boiler Temperature Low (minimum) parameter for
outdoor reset curve
tPL Thermal purging minimal temperature (Parameter is
available only if outdoor temperature is invalid)
tPt Maximal Thermal Purge time (Parameter is available
only if outdoor temperature is invalid)
rSt Reset Lockout
Temperature units (F or C)
F-C
6