System control – Roberts Gorden CoRayVac CRV-B-9 User Manual

Page 52

Advertising
background image

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

Advertising
This manual is related to the following products: