Digitract 4-2 COMPONENT SELECTION GUIDE
2
GAS/ELECTRIC
HEAT PUMP
SYSTEM CONTROLLER
(DTGE4-2)
2-Stage Heat/Cool
COMMUNICATING
(DIGICOM)
ZONE DAMPERS
HEAT PUMP THERMOSTATS
(One per zone. Field Supplied.
See Thermostat Compatibility section, pg. 12)
Round (TR diam)
5 TONS AND UNDER
(Up to 0.5” S.P.)
Rectangular (TREC W x H)
OVER 5 TONS
(Up to 1” S.P.)
(Up to 1.75” S.P.)
Round (101AMPD diam)
Rectangular (101CD W x H)
Rectangular
(101MRTD W x H)
BYPASS DAMPERS
5 TONS AND UNDER
BAROMETRIC BYPASS
Round (101ABBD diam)
Rectangular (RBB W x H)
PROGRAMMABLE
DIGITAL
(101PROG)
(SADIGI)
OVER 5 TONS
ELECTRONIC BYPASS
Round (STMPD diam)
Rectangular (STCD W x H)
STATIC PRESSURE CONTROLLER
(101ASPC)
BYPASS TRANSFORMER
(FIELD SUPPLIED. 24VAC, 40VA)
COMPLETE SYSTEM
GAS/ELECTRIC THERMOSTATS
START
DAMPER TRANSFORMER
(Field supplied. Requires in line fuse.
See Transformer/Fuse Sizing Table, pg. 23)
COMMAND CENTER
(101CEC Communication Package,
one per 20 thermostats)
CAPACITY CONTROLLER
System Controller includes Capacity Control
and Leaving Air Sensor
(DTHP4-2)
3-Stage Heat/2-Stage Cool
System Controller includes Capacity Control
and Leaving Air Sensor
CAPACITY CONTROLLER
COMMUNICATING
(DIGIHP)
SYSTEM CONTROLLER