Lochinvar EcoKnight EKB115CE, Инструкции по установке, пусконаладке и обслуживанию

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11.1 EXTERNAL CONTROLS
The Lochinvar EcoKnight™ is compatible with the following control and safety systems:

Building Management System (BMS) 0-10VDC analogue input

Room thermostat (on/off type)
 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 room thermostat (if used) and the boiler.
11.1.2 BMS CONTROL
When controlling the EcoKnight™ boiler using the 0-10V analogue interface, the boiler should be enabled using the
room thermostat connections (see
Section 11.3: LOW VOLTAGE CONNECTION STRIP ) and then controlled via the
external control connections. The voltage input can be used to control the setpoint of the boiler of the firing rate. If
firing rate control is required, the software interface must be used to modify the control parameters. Refer to the
separate EcoKnight PC interface Guide for further information.
11.2 HIGH VOLTAGE CONNECTOR STRIP
N L
N L
N L N L
MAINS
230V~50Hz
PUMP OUTPUTS 190 WATTS MAX
SECONDARY PRIMARY D.H.W.
FIGURE 11.1 HIGH VOLTAGE CONNECTION STRIP
CONNECTION NOTES
DHW.
230 VAC Live, Neutral and Earth connections for a calorifier pump. If the pump rating exceeds 190 watts, the Live
and Neutral connections should be used to energise a suitable contactor.
PRIMARY
230 VAC Live, Neutral and Earth connections for the primary circulator pump. If the pump rating exceeds 190
watts, the Live and Neutral connections should be used to energise a suitable contactor.
SECONDARY
230 VAC Live, Neutral and Earth connections for a secondary circulation pump. If the pump rating exceeds 190
watts, the Live and Neutral connections should be used to energise a suitable contactor.
MAINS
Connections for a 230V ~ 1 ph 50Hz power supply. NOTE: The power supply cable should be secured using the
anchor supplied.
TABLE 11.2 HIGH VOLTAGE CONNECTION TERMINAL DETAILS