Installation guide

ManualsBrandsandrews ManualsHome building and DecorCWH60/200

XXXXXXXXX • SECTION XX

INSTALLATION • SECTION 3

ELECTRICAL SUPPLY

External wiring to the water heater(s) must be installed in

accordance with current I.E.E. Regulations for the wiring

of buildings and to any Local Regulations that may apply.

The MAXXflo range is designed to operate from a

permanent 230v/50Hz single phases sup The fuse rating

is 5 amps.

Maximum Electrical Loading

Model Type Watts Amps

30 kW 170 0.74

60 kW 340 1.48

90 kW 510 2.22

120 kW 680 2.96

The method of connection to the mains electricity supply

should facilitate complete electrical isolation of the

appliance, preferably by use of a fused double pole

switch or fused spur box serving only the heater. The

disconnection of the supply shall have a contact

separation of 3mm on all poles.

The point of connection to the mains electricity supply

should be readily accessible and adjacent to the

appliance.

ELECTRICAL CONNECTION

A terminal block can be found above the control panel

(Fig 4, below). This becomes accessible by first removing

the front cover.

The following connections can be made on the terminal

block (see Fig. 5 – Wiring diagram, on next page)

Terminals Terminal Function

AL1 – AL2 Alarm volt-free contacts (24 volt 1

amp max.)

EN1 – EN2 Enable or disable contacts volt-free

(link fitted to enable)*

BT1 – BT2 Secondary set point temp. enable

(40 – 75°C)*

LS1 – LS2 Secondary return temp. sensor for

pasteurisation function

TH1 – TH2 Secondary pump control enable*

Pump L – Pump N Secondary pump power supply

(0.7 amp max)

*To activate, place a contact across the terminals

5910 G

AL1

AL2

TH1

TH2

BT1

BT2

LS1

LS2

TS1

TS2

TS3

TS4

EN1

EN2

r/bl

SECONDARY PUMP

Fig 6 – Terminal block connections