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MTS (GB) Limited support the initiative. Your installer will give you, and show
you how to use, a Log Book which will give you important information about your boiler,
and heating system. Please have this Log Book to hand whenever you contact a service
engineer or us.
All CORGI Registered Installers carry a CORGI ID card, and have a registration
number. Both should be recorded in your boiler Logbook. You can check your
installer is CORGI registered by calling CORGI direct on :- (01256) 372300.
This is a combined appliance for the production of Central Heating (C.H.) and Domestic
Hot
Water (D.H.W.). This appliance
m
ust be used only
f
or the purpose for which it is
designed. The manufacturer declines all liability for damage caused by improper or
negligent use
.
Do not allow children or inexperienced persons to use the appliance without supervision.
If y
ou smell gas in the room,
do not tur
n light switches on or off, use the telephone or any
other object which might cause sparks.
Open doors and windows immediately to ventilate the room.
Shut the gas mains tap (on the gas meter) or the valve of the gas cylinder and call your
Gas Supplier immediately.
If y
ou are going away for a long period of time, remember to shut the mains gas tap or
the gas cylinder valve.
Before any intervention within the boiler it is first necessary to isolate the electrical
supply by turning the external switch to “OFF”.
TECHNICAL INFORMA
TION
GENERAL DATA
Heating input max-min (nett)
Heating output max-min (nett)
Efficiency at Maximum Thermal
Capacity (see installation instructions)
CENTRAL HEATING
Operating Temperature max-min
Maximum-Minimum
Heating Pressure
Built-in expansion vessel - Total
capacity
DOMESTIC HOT WATER
Maximum-Minimum Temperature of
Water for Domestic Use
Working pressure max-min
Flow rate ∆T 25°C
Flow rate ∆T 35°C
Minimum flow rate
ELECTRICAL DATA
Electrical Supply/ Frequency
Power Consumption
Protection of Electrical System
CA
TEGORY
Nominal Pressure
Methane Gas (G20)
Nominal Pressure
Liquid Gas (G30-G31)
kW
kW
%
°C
bar
litres
°C
bar
l/min
l/min
l/min
V/Hz
W
IP
mbar
mbar
26.7 - 12.2
23.3 - 10.4
87.4
82 - 42
3-0.7
7
56-36
6-0.2
13.4
9.5
2.5
230/50
120
X4D
20
28/30-37
331.1 - 13.3
27 - 11.4
86.7
82 - 42
3-0.7
7
56-36
6-0.2
15.5
11.0
2.5
230/50
148
X4D
20
28/30-37
35 - 13.3
30.5 - 11.3
87.1
82 - 42
3-0.7
7
56-36
6-0.2
17.5
12.5
2.5
230/50
148
X4D
20
28/30-37
24 kW
28 kW 32 kW
1. GENERAL INFORMA
TION