Delta F-25 User Manual download pdf (Page 39)

External Wiring

To ELITE

"Room Thermostat"

Snap Set

High Voltage

120

V.A.C.

Room

Thermostat

Room

Thermostat

Zone 1

Zone 2

Additional zones

Additional zones may

be added as shown above

Transformer

(Power)

Zone

Valve

Zone Valve

* Isolation relay

4 Wire Zone Valve

Fig. 18: Multiple Zone Field Wiring Using Zone Valves

3 Wire Zone Valve

*Use isolation relay on 3-wire

zone valve with non-isolated

end switch. Transformer and

the ELITE control can burn out

if isolation relay is not used.

High Voltage

V.A.C.

Room

Thermostat

Room

Thermostat

Zone 1

Zone 2

Additional zones

Additional zones may

be added as shown above

To ELITE

"Room Thermostat"

Snap Set

Transformer

(Power)

Zone

Valve

Zone Valve

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 56 57

F-25/30/35/40 & 45 1
Combination Heaters 1
Table of Contents 2
OPERATING RESTRICTIONS 9
CODE RESTRICTIONS 9
Pre-Installation Items 10
Combustion and Ventilation 12
Combustion Air and Venting 13
Unit Preparation 14
SECTION IV - Domestic Piping 16
Domestic Piping 17
Domestic Piping Diagrams 19
SECTION V - Primary Piping 22
Primary Piping 23
Near Appliance Piping 25
TriangleTube 28
SECTION VI - Venting 29
Oil Fired Installations 30
Gas Fired Installations 32
SECTION VII - Fuel Piping 33
Fuel Piping 34
Internal Wiring 36
SECTION IX - External Wiring 38
External Wiring 39
Start-Up Preparation 42
Start-Up Procedures 45
Temperature Limits 47
Check-Out Procedures 49
Installation Record 50
Replacement Parts 51
Replacements Parts 52
Specifications 55
Member of 57

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Delta F-25 User Manual Page 39

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