Schwank infrasave SET Series Installation & Owner's Manual page 52

Fresh Air Intake Adapter
Fresh Air Intake Cap—Wall
Fresh Air Intake Cap—Roof
4" roof cap
6" roof cap
2-Stage Low Voltage Digital
Thermostat
(24 Volts - °F or °C selectable)
Not for use in corrosive or wet
environments
Required For MULTIPLE HEATERS per Thermostat:
24 RELAY
Multiple Tube Heaters controlled by
a single 2-Stage Thermostat
(field installed)
SET(U) / ITT(U) Manual
IM091221
RD: APR 2019
RL: 13C
JS-0532-SE
JS-0532-VC
JA-0530-XX
JA-0531-XX
JS-0569-DT
JS-0568-XX
52