• 1. QUICK START-UP GUIDE
This document contains summary information for the machine to start. Detailed recommendations are contained in the Maintenance Manual attachment
that we invite you to consult.
Contact ON/OFF (7/8) : Completely switches the machine on and off (it does not affect the consent circulator control L-K). The unit is equipped with a
closed ON/OFF contact from an electrical jumper. Should a remote ON/OFF selector be installed, the electrical jumper between 7/8 must be removed
and the remote control must be connected. In the event of KCTR installation, the ON/OFF contact must be closed from an electrical jumper.
Pump P1 Input (L-K): activates the internal circulator required to operate without KCTR. It can be used as a control to activate the machine if a room
thermostat is used. If input (L-K) is closed from the electrical jumper, the circulator on the machine will always be on, even after executing Off from KCTR.
Work temperature Set Point: The machine is set to work with set point 1, meaning the one regarding the radiant applications (low temperature). Should
the unit be applied to a fan-coil (high pressure) application system, Set Point 2 (13/14) contact must be closed. For mixed systems with radiant terminals
(low temperature) and fan-coil terminals (high temperature), Set Point 2 must be activated by closing contact (13/14). However, a mixing valve must be
used in order to prevent very hot or very cold water from being sent to the radiant terminals.
DHW Production: It can be executed by means of a temperature probe connected to the end of the terminal (5/6) or a thermostat contact between
terminals (5/6). The unit must be set to operate with the probe or thermostat. For correct installation, refer to the relevant paragraph in this manual.
Unit status depending on the ON/OFF input status
Activation of the radiant terminal mode (Low temperature) or Fan coil (High temperature)
Heat or chiller pump mode: changing the mode of operation can be done either via USER INTERFACE (and KCTR if installed) (par 101 = 0), or by
using external contact terminals 11/12 (par 101 = 101 = 0 or 1).
ON/OFF (7/8) DHW (5/6) Secondary Pump P1 (L-K) KCTR Second set point (13/14) ELECTA Status
OFF (open) OFF or t>set or not provided OFF (open) Not installed indifferent Off
OFF (open) OFF or t>set or not provided ON (closed) Not installed indifferent Circulator active
ON (closed) ON or ( t< set) (open) Off (if installed) indifferent Off
ON (closed) ON or ( t< set) (open) On (if installed) indifferent DHW active
ON/OFF (7/8) DHW (5/6) Secondary Pump P1 (L-K) KCTR Second set point (13/14) Pump Status
ON (closed) OFF ON Not installed OFF Heating/Chilling Active Radiant
ON (closed) OFF ON Not installed ON Heating/Chilling Active High Temperature
ON (closed) OFF OFF Installed OFF or ON
Heating/Chilling Active from KCTR (if set
point 2 Radiant OFF - if set point 2 ON
High T°)
ON (closed) OFF ON Installed OFF or ON
Heating/Chilling Active (if set point 2 Ra-
diant OFF - if set point 2 ON High T°)
60
Section I :: User
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