Schwank builderSchwank S100U - Manual (Page 56)

56
S100-F / ITB-F I&O Manual
IM101230
RD: SEP 2014
RL: 11A
Options For 24V Thermostat Control:
NOTE: Fenwal DSI has an onboard relay switch to control the blower motor (120 Vac)
and allows for heater control with either 24V or 120V thermostat.
The Fenwal DSI has a post-purge feature.
A 24V Thermostat MUST be used to enable the post-purge feature.
A line voltage thermostat will disable the post-purge feature
TruTemp Thermostat (24Vac - 3-Wire)
True comfort control for radiant heating
systems - senses and averages ambient and
radiant temperatures.
Occupancy sensor with auto set-back of 9°F
(5°C).
Do not use in wet or corrosive environments
JM-0150-XX
Low Voltage Digital Thermostat
(24 Volts - °F or °C selectable)
Not for use in corrosive or wet environments
JS-0569-WR
Multiple Heaters per 24V Thermostat
Relay Switch: One required for each burner
after the first burner in a zone (1st burner
connects to 24V thermostat)
Refer to wiring diagram Page 36
(field installed at or in burner)
NOTE: FENWAL DSI has built in relay for
blower operation
JS-0568-CC
Line Voltage Thermostat:
Dual Scale: °F or °C
Not for use in corrosive or wet environments
JL-0772-XX
Line Voltage Control: (Disables post-purge feature of the Fenwal ignition control)