6
ANALOG
OR DDC
CONTROLLER
SEPARATE
CONTROL
ENCLOSURE
10000
8000
6000
4000
2000
1000
800
600
400
200
100
80
60
40
20
10
0.01
.03
.05
0.1
0.3
0.5
1
710
522
362
232
2086
1449
1174
927
3709
2840
7250
CFM
SIZE 4
SIZE 5
SIZ
E 6
SIZE 7
SIZE 8
SIZE 9
SIZE 10
SIZE 12
SIZE 14
SIZE 16
SIZE 22
CFM AT ONE INCH SIGNAL
FLOW PROBE IN.WG
VOLTS (ANALOG CONTROLS)
LEGEND
NOTE: Drawing is typical of 480V,
3-phase, 4-wire heater and control.
Refer to actual unit wiring diagram.
AFS —
Airflow Switch
DDC —
Direct Digital Controls
Fig. 5 — Typical Power Connections for 35E Units with 3-Stage Electric Heat
ANALOG OR DDC
CONTROLLER
24VAC
BLU
YEL
CLASS II
TRANSFORMER
(OPTIONAL)
120VAC
208VAC
240VAC
277VAC
L1
GROUND
24 VAC
POWER
LEGEND
NOTE: Drawing is typical — refer to actual unit wiring diagram
for details.
Fig. 4 — Wiring of Optional Factory-Mounted
Transformer
DDC
—
Direct Digital Controls
Field Wiring
Factory Wiring
Fig. 6 — Linear Probe CFM vs Pressure Signal Graph