Roberts Gorden CRV-B-10, CRV-B-8 12 Vdc, Ground, System Control, General System Wiring, 60 Hz

CRV-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

FIGURE 29: General System Wiring

Burner Receptacles 4 Zone Max

Thermostats

120 V

1 Ø

60 Hz

L

N

120Vac

Maximum 20 Amps Total

Pressure

Switch

Pump Motor

115 Vac Operation

(230 Vac Operation- separate power circuit required for EP-203 or EP-300 series pumps)

Motor Starter

(Needed for EP-203 and EP-300 Series Pump)

Outside

Air Supply

Blower Motor

and Pressure

Switch

FIGURE 30: External Wiring Diagram EP-100 and EP-201 120 V 1 Ø Pump

All burners must be

Pump

connected to Ground

(Not shown)

Zone 1 Zone 2 Zone 3 Zone 4

Low voltage thermostats

located in heated zone

Zone Zone

Zone

Zone

120 V

1

2

3

4

Pressure switch

1 Ø

located at pump

60 Hz

12 Vdc

L

120 V

N

1 Ø

Ground

60 Hz

Ground G

N

L

N L

N L

N L

N L

N L

C

C

C

C

C

Z1

Z2

Z3

Z4

PUMP

PS

T1

T2

T3

T4

System Control

46