10
SYSTEM 1000 – COMPONENT SELECTION GUIDE
Manual Changeover for 2 to 7 Zones
5 TONS AND UNDER
OVER 5 TONS
BYPASS DAMPERS
ZONE DAMPERS
START
❶
Some Heat Pumps utilize Gas/Electric thermostats. For this type of Heat Pump,
use the Gas/Electric parts selection and field modify the capacity control heat cutoff
setpoint to 118° F.
❷
Use heavy duty rectangular dampers on systems of 7.5 tons or larger
COMPLETE SYSTEM
Barometric Bypass Damper
Round (101ABBD size)
Rectangular RBB W x H
Digital
Programmable
(101DIGI)
(101PROG)
Digital
Programmable
(101DIGI)
(101PROG)
Switching Center
(SYGE)
2 Stage
(CAPL-2)
1 Stage
(TRLAT)
or
Digital Version
(101CAPGE)
CAPACITY CONTROLLERS
DIGITAL CAPACITY CONTROLLER
(SYCAP)
Switching Center
(SYHPA)
2 Stage Heat/1 Stage Cool
GAS ELECTRIC
ZONE THERMOSTATS
ZONE THERMOSTATS
HEAT PUMP
❶
5 TONS AND UNDER
Low Pressure Dampers
Round (101ARZD size) up to .5” SP
Rectangular (101EC W x H) up to .5” SP
12 X (Number of Dampers) = VA for the
24V System Transformer (Field Supplied)
OVER 5 TONS
Medium Pressure Dampers
Round (101AMPD size) up to 1.75” SP
Rectangular (101MRTD W x H) up to 1” SP
❷
Heavy Duty Rectangular (101CD W x H) to 1.75” SP
6 X (Number of Dampers) =VA for the
24V System Transformer (Field Supplied)
Electronic Bypass Damper
Round (STMPD size)
Rectangular (STCD W x H)
Static Pressure Controller (101ASPC)
24V, 40VA Independent Transformer
for bypass (Field Supplied)
Optional Outdoor
T-Stat (field supplied)