Bosch SST450-119 Specifications download pdf (Page 17)

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Indirect Fired Water Heaters Installation and Operating Manual

Installation & Operating Manual

5 Wiring

Wiring using boiler sensor:

1. For wiring using boiler sensor, see boiler installation

manual.

Indirect Water Heater Controlled Using Aquastat

and Zone Circulator / Valve:

1. Install Aquastat to tank. Aquastat control

(Honeywell L4006 or equivalent) can be ordered from

your local distributor.

2. Connect Aquastat to the zone controller for the Indirect

Water Heater Zone.

3. Adjust Aquastat to the desired temperature.

INDIRECT TANK

AQUASTAT

CONTROL

Honeywell

L4006 or

equivalent

TEMPERATURE

ADJUSTMENT

WIRE

CONNECTIONS

ZONE CONTROL BOX

ZONE VALVE

ZONE CIRCULATOR

Figure 5-1 Wiring for zone control

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

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Bosch SST450-119 Specifications Page 17