MCZ Hydrotherm 70 User Manual
Page 22

INSTALLATION AND USE MANUAL
Chapter 4
page
22
Installation and assembly
Technical service – MCZ GROUP S.p.A. all rights reserved - Reproduction prohibited
In this case it is advisable to immediately reduce the
combustion and eliminate the causes for the excessive
heating.
It is always advisable to use the hourly quantity of
wood set by MCZ to keep the temperature constant
and obtain the performance ensured (page 12)
ANTI-FREEZE FUNCTION:
If the temperature read by the probe goes below the set value of the
anti-freeze thermostat
A03
:
The PUMP output is activated
The display shows
ICE
STANDBY FUNCTION:
If the device is OFF
in condition of ALARM or ANTI-FREEZE
the device automatically switches to ON
PUMP ANTI-SEIZURE FUNCTION:
In case of inactivity of the pump for more than the anti-seizure timer
T01 (about a week)
the PUMP output is activated for T02 seconds
The display shows
bLP
This function is active also in STANDBY.
PUMP TEST FUNCTION:
By pressing the P3(+) button for a prolonged time
The PUMP output is activated while pressing the button
The display shows
tSt
SANITARY FUNCTION:
This function aims to manage any system for the production of
domestic hot water (flow switch, 3-way valve, etc..) completely from
the control unit. If the complete MCZ domestic hot water kit is
purchased, this function is not necessary since the various elements are
managed by the electronic board of the kit, suitably cabled.
For those who wish to use this function, instructions for the
connections can be found inside the packaging of the control unit.
MCZ shall not be held liable for any damage to the
product or the components provided (control unit) if
non MCZ components are connected.