Thermo Products Models from 8 kW to 24 kW : 240 Volts ( single phase ) installation instructions

Figure 9

Diagramme électrique/ Wiri ng diagram

Raccordement de zone valves/ Wiring for zoned va lves system

Thermostat

Thermostat

Thermostat

Note 1

Zone 1

Zone 2

Zone 3

Block terminal thermostat

/Thermostat terminal block

sur panneau électrique COMBOMAX/

on COMBOMAX electric pannel

2

2

2

2

2

2

Zone

4

Zone

4

Zone

4

valves

valves

valves

24 Vac

1

3

1

3

1

3

Transfo

Note 1

T

T

40Va Transfo (3 zones)

20Va Transfo (2 zones)

Diagramme électrique/ Wiri ng diagram

120 Vac

Raccordement de multiples circulateurs/ Wiring for m ultiple circulators

Electrical service

Thermostat

Thermostat

Zone 1

Zone 2

T

T

T

T

Relais/Relay

4

6

Relais/Relay

4

6

RA845A

RA845A

2

1

3

5

2

1

3

5

Circulateur/

Circulateur/

circulator

circulator

Zone 1

Zone 2

L1

L2

120Vac

electrical service

Diagramme électrique/ Wiri ng diagram

Raccordement de zone valves pour voie de contournement Bi-énergie/

Wiring for zoned valves system for dual e nergy by-pass

K

K

Block terminal K-K

/K-K terminal block

sur panneau électrique COMBOMAX/

2

2

on COMBOMAX electric pannel

Zone

Zone

4

valves

1

3

valves

24 Vac

Transfo

40Va Transfo (3 zones)

20Va Transfo (2 zones)

120 Vac

Electrical service

Page 22