Roberts Gorden UltraVac NEMA 4 Installation Manual page 25

®
ROBERTS GORDON
Continued
From
Previous Page
VFD Assembly
( 1 Ø input
VFD model shown)
To
Terminal 5
To
Terminal 2
ULTRAVAC™ Satellite Controller External Wiring (continued)
VFD Power
Supply
(1 Ø input
VFD model shown,
see NOTE 3)
L1 L2/N PE B-
B+
U V W PE PE
Motor Power Supply
(See NOTE 7)
Zone 3
Burners
L2
L2
L2
T
To Terminals
M16/12.P M16/12.P
13 and 14
SECTION 4: T
YPICAL
Zone 2 Zone 1
Burners Burners
L1 L2 L1
L1 L2 L1
L1 L2 L1
Outside Air
Blower
(optional)
Pump
T T
1 2 3
230 V
or
3 Ø
0-60 Hz
for 115 V and
230 V input
VFD models.
E D
XTERNAL IAGRAMS
L2 L1
L2 L1
L2 L1
460 V
3 Ø
0-60 Hz
for 460 V
input VFD
models.
19