Roberts Gorden NEMA 4 installation manual Zone, Burners

SECTION 4: TYPICAL EXTERNAL DIAGRAMS

ROBERTS GORDON® ULTRAVAC™ Satellite Controller External Wiring (continued)

Zone 3

Zone 2

Zone 1

Burners

Burners

Burners

L2

L1

L2

L1

L2

L1

L2

L1

L2

L1

L2

L1

L2

L1

L2

L1

L2

L1

Continued

From

Previous Page

Outside Air

VFD Power

Blower

(optional)

Supply

(1 Ø input

VFD model shown,

see NOTE 3)

VFD Assembly

( 1 Ø input

VFD model shown)

L1

L2/N PE

B-

B+

To

Terminal 5

T1

T2

T3

Pump

1 2 5 6 11 13A 13B 13E 25

16

17

To Terminals

230 V

460 V

To

M16/12.P

3 Ø

or

3 Ø

U

V W

PE

PE

13 and 14

0-60 Hz

0-60 Hz

Terminal 2

for 115 V and

for 460 V

230 V input

input VFD

VFD models.

models.

Motor Power Supply

(See NOTE 7)

19