MCZ Athos HYDRO 14 kW - Manual (Page 61)

PELLET STOVES Chapter 6
INSTALLATION AND USE MANUAL page
61
Problems / Causes / Solutions Technical service - Rights reserved MCZ S.p.A. - Reproduction prohibited
PROBLEM POSSIBLE CAUSES REMEDY
Radiators cold in
winter
1. Room thermostat (local or remote)
set too low. If remote thermostat,
check if it is defective.
2. Circulator does not run because
blocked.
3. Circulator does not run.
4. Radiators have air in them
1. Set to higher temperature or
replace. (if remote)
2. Free up the circulator by removing
the plug and turning the shaft with a
screwdriver.
3. Check the electrical connections of
the circulator; replace if necessary.
4. Vent the radiators
High variability of
temperature of
domestic hot water
1. Water flow rate too low. 1. Increase the water flow rate
(minimum 3 litres per minute)
Little domestic hot
water is provided
1. Insufficient mains pressure
2. Tap or mixer clogged with limescale
3. Water group clogged 1. Check the calibration of the
pressure reducer.
2. Install and autoclave
3. Check and clean
4. Clean or replace the plate heat
exchanger
Hot water is not
provided
1. Circulator (pump) blocked 1. Free the circulator (pump)
ATTENTION!
The operations
in italics must be carried out by
specialised MCZ personnel.
The manufacturer refuses to accept any responsibility
and the guarantee lapses if this condition is not
respected.