iWorx® SMZ1
22
505-048-2, Effective: March 10, 2015
© 2015 Taco Electronic Solutions, Inc.
Configuration
All Settings
This screen lists adjustments that system managers may modify periodically during normal operation. Some parame-
ters with a Range value of “Structure” are described in individual tables that follow.
Setting
Range
Default
Description
Commissioning
Off, On
Off
Overrides all Outputs when “On,” normal operation
when “Off”
Zone 1 Config
Structure
N/A
Zone Configuration Properties
Zone 2 Config
Structure
N/A
Zone Configuration Properties
Zone 3 Config
Structure
N/A
Zone Configuration Properties
Zone 4 Config
Structure
N/A
Zone Configuration Properties
Zone 1 SMLT
Structure
N/A
Settings related to this zone’s temperature setpoints
and configuration
Zone 2 SMLT
Structure
N/A
Settings related to this zone’s temperature setpoints
and configuration
Zone 3 SMLT
Structure
N/A
Settings related to this zone’s temperature setpoints
and configuration
Zone 4 SMLT
Structure
N/A
Settings related to this zone’s temperature setpoints
and configuration
Zone 1 Mod
Structure
N/A
Zone configuration for Modulated Output
Zone 2 Mod
Structure
N/A
Zone configuration for Modulated Output
Zone 3 Mod
Structure
N/A
Zone configuration for Modulated Output
Zone 4 Mod
Structure
N/A
Zone configuration for Modulated Output
OAT Snow Melt Cutoff
-29.9 to 41
°F
(-34.4 to 5.0
°C)
0 °F
(-17.8
°C)
Excessive Cold shutdown
Zone 1 Name
Alpha-numeric string -
max 17 characters
“Zone 1”
Zone naming override. This name appears for the
individual zone setting in the LCI.
Zone 2 Name
Alpha-numeric string -
max 17 characters
“Zone 2”
Zone naming override. This name appears for the
individual zone setting in the LCI.
Zone 3 Name
Alpha-numeric string -
max 17 characters
“Zone 3”
Zone naming override. This name appears for the
individual zone setting in the LCI.
Zone 4 Name
Alpha-numeric string -
max 17 characters
“Zone 4”
Zone naming override. This name appears for the
individual zone setting in the LCI.
BLMR Mixing Loop
Loop 1,
Loop 2
Loop 1
Loop on BLM that this SMZ1 uses
Heat Demand
Off,
On
Off
If set to "On", the heat demand is communicated to
the BLM as a demand for the reset temperature from
the primary loop.
Zone Demand
Off,
On
Off
If set to "On,” the max zone demand is communi-
cated to the BLM as a subzone demand for the injec-
tion pump (secondary loop).
Runtime Limits
Structure
N/A
Setting for output runtime limits.
Global Types
Dry Contact,
Five Wire
Dry Contact
Describes type of Global Snow Melt Sensor. Can be
Dry Contact type or five-wire type with unregulated
heating element (requires wiring connections to SHT
and HT).
