Roberts Gorden CoRayVac CRV-B-9 - Manual (Page 52)

CRV-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
46
FIGURE 29: General System Wiring
FIGURE 30: External Wiring Diagram EP-100 and EP-201 120 V 1 Ø Pump
Burner Receptacles
4 Zone Max
120 Vac
Maximum 20 Amps Total
Thermostats
Outside
Air Supply
Blower Motor
and Pressure
Switch
Pump Motor
115 Vac Operation
(230 Vac Operation-
separate power circuit
required for EP-203 or
EP-300 series pumps)
Pressure
Switch
Motor Starter
(Needed for EP-203 and EP-300 Series Pump)
L
120 V
1 Ø
60 Hz
N
System Control
C
T1
C C C C
T3 T2 T4 PS
12 Vdc
120 V
1 Ø
60 Hz
Ground
G L N Ground
120 V
1 Ø
60 Hz
PUMP
N L
Z1 Z2 Z3 Z4
N N N N L L L L
All burners must be
connected to Ground
(Not shown)
Zone 1 Zone 2 Zone 3 Zone 4
Pump
L
N
Low voltage thermostats
located in heated zone
Zone
1
Zone
2
Zone
4
Zone
3
Pressure switch
located at pump