Bosch Bosch 17e Installation Guide download pdf (Page 9)

ROBERT BOSCH (AUST) - EVERLAST HYDRO SYSTEMS WIRING PLAN PAGE 1 OF 2

TESTING : The pump will operate until the thermostat set temperature of the Everlast Storage Accumulator is reached. When testing the

thermostat there will be a CLOSED CIRCUIT between L4 and T2 until the thermostat set temperature is reached. There should be 240 V AC

between L1 and L3 when the system is energised.

Refer to Gas Unit manufacturers recommendations for multiple heater units and when secondary return pumping is required.

Information on troubleshooting is found in the Pump and Gas Heater User Handbooks (provided with this Guide).

240 V AC

SUPPLY

ACTIVE NEUTRAL

RED BLACK

GD MAINS

TERMINAL CONNECTOR

EVERLAST C2

THERMOSTAT OF

EWT1 SERIES

SET AT 65 C

BROWN

BLACK

GRUNDFOS

or DAVEY

UPS TYPE

PUMP.

Typical: Davey

SB30-25

WITH PUMP

SHAFT

HORIZONTAL

BLUE

BOSCH CONTINUOUS

FLOW WATER

HEATER OR

MULTIPLES.

MODELS 17E, 21E &

25E REQUIRE 240 V

AC. FOR ELECTRONIC

IGNITION. MAY BE

PROVIDED

THERE IS NO

ELECTRICAL

CONNECTION FROM

THE GAS UNIT TO

CIRCULATING PUMP

240 V AC

SUPPLY

GREEN/YELLOW

EARTH

RED

BOSCH - EVERLAST SCHEMATIC WIRING PLAN

COMBO MODEL

ROBERT BOSCH (AUST) PTY LTD www.bosch.com.au EVERLAST™ HYDRO SYSTEMS PTY LTD. www.everlastwaterheaters.com

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Bosch Bosch 17e Installation Guide Page 9

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