SECTION 4: T
YPICAL
E
XTERNAL
D
IAGRAMS
19
ROBERTS GORDON
®
ULTRAVAC™ Satellite Controller External Wiring (continued)
L1
L2
T
1
L1
L2
L1
L2
L1
L2
L1
L2
L1
L2
L1
L2
Zone 3
B
u
rners
L1
L2
L1
L2
Zone 2
B
u
rners
Zone 1
B
u
rners
To Terminals
13 and 14
T
2
T
3
Continued
From
Previous Pa
g
e
Motor Power Supply
(See NOTE 7)
P
u
mp
230 V
3 Ø
0-60 Hz
for 115
V
and
230
V
inp
u
t
V
FD models.
460 V
3 Ø
0-60 Hz
for 460
V
inp
u
t
V
FD
models.
or
O
u
tside Air
Blo
w
er
(optional)
VFD Power
Supply
(1 Ø input
VFD model shown,
see NOTE 3)
V
FD Assem
b
ly
( 1 Ø inp
u
t
V
FD model sho
w
n)
To
Terminal 5
To
Terminal 2
M16/12.P
M16/12.P
1
2
5
6
11
13A
13B
13E
25
16
17
PE
PE
W
V
U
L2/N
L1
B-
PE
B+