28
11.0
ELECTRICAL SUPPLY
Wiring external to the equipment must be installed in accordance with the I.E.E. Regulations and any local
regulations that apply.
Model
Normal Supply
Voltage
External Fuse
Rating
Power Consumption
EKW45CE
230V AC
50 Hz
1 PH
6.0 A
120 W
EKW60CE
144 W
EKW85CE
180 W
EKW115CE
180 W
EKW145CE
204 W
EKW175CE
322 W
EKW205CE
322 W
EKW235CE
322 W
TABLE 11.1
ELECTRICAL SUPPLY REQUIREMENTS
WARNING: THIS APPLIANCE MUST BE EARTHED
A suitably competent person MUST check wiring. Normal supply required is 230 volts AC, single phase, 50
Hz. An isolator with a contact separation of at least 3mm in all poles should be sited close to the equipment
and must only serve that equipment. The double pole switch must be readily accessible under all conditions.
11.1
EXTERNAL CONTROLS
The Lochinvar EcoKnight™ is compatible with the following control and safety systems:
Building Management System (BMS) 0-10VDC analogue input
Storage vessel thermostat (on/off type)
Storage vessel sensor (modulating type)
Internal sequencing control
Gas pressure switch (e.g. gas booster under pressure/over pressure safety switch)
Water flow proving device (e.g. differential pressure switch or flow switch)
Auxiliary safety system proving switch (e.g. fan dilution system proving switch)
In addition to this, the Lochinvar EcoKnight™ can give the following signals:
Volt-free “burner on” (runtime) signal
Volt-free “lock-out” (alarm) signal
24VAC auxiliary device enable signal (e.g. to start fan dilution system)
11.1.1
REMOTE ENABLING
If the appliance is to be enabled remotely, either by a building management control panel or time clock, a volt free
contact should be used to interrupt the wiring between the flow temperature sensor and the low-voltage connection
strip.
