About the Boiler 9
2.3 Specifications
The following tables list the general specifications and energy consumption for the boiler.
DESCRIPTION
UNITS
Internal Model
External Model
21RS
21LS
21LC
28RS
28LS
28LC
36RS
36LS
36LC
21RSX
21LSX
21LCX
28RSX
28LSX
28LCX
36RSX
36LSX
36LCX
Heat Input
Stage 1/Stage 2
17/22
22/29
30/37
17/22
22/29
30/37
Heat
Output
80/60
Stage 1/Stage 2
16/21
21/28
29/36
16/21
21/28
29/36
50/30
Stage 2
23.0 30.3 39.0 23.0 30.3 39.0
Water
capacity
Heat Exchanger
ℓ
14
13.5
16.4
14
13.5
16.4
Storage Tank(Combi Models)
ℓ
30
30
30
30
30
30
Central
Heating
Flow Rate(
t 20
)
ℓ/min
15
20
25.8
15
20
25.8
Waterside resistance(
t 20
)
mbar
130
200
220
130
200
220
Max. Operation Pressure
bar
3
3
Supply Temp. Control Range
40 – 85
(Default 85)
40 – 85
(Default 85)
Domestic
Hot Water
Max. Operation Pressure
bar
10
10
Supply Temp. Control Range
30 – 60
(Default 50)
30 – 60
(Default 50)
Connection
Central
Heating
supply
return
DHW(Domestic Hot Water) Outlet
DCW(Domestic Cold Water) Inlet
Condensate
Φ21.5
Φ21.5
Oil
inch
1/4” BSP Male
1/4” BSP Male
Flue
System
Flue Size
Coaxial Φ100/60 (plastic)
Coaxial Φ100/60 (plastic)
Max. horizontal length
m
20
20
Max. vertical length
m
21
21
90˚ elbow length
m
1.3
1.3
45˚ elbow length
m
1
1
Electrical
Power supply
V/Hz
AC 230 V/50 Hz
AC 230 V/50 Hz
Fuse
A
250 V (Φ5×20), 5 A/3.15 A
250 V (Φ5×20), 5 A/3.15 A
Consumption
W
95
105
125
95
105
125
Circulation Pump
(System/Combi Model)
W
60
60
60
60
60
60
Safety shut off
95
95
Flue gas temperature
Less than 70
Less than 70
Sealed
System
System pre-charged pressure
bar
1
1
Maximum operating pressure
bar
3
3
Expansion vessel
(System/Combi Model)
ℓ
12
12
General
Data
Dimensions
Regular/System Models
models(RS,RSX/LS,LSX)
470×600×860
515×673×882
Combi models(LC,LCX)
600×600×860
650×673×900
Weight
(NET)
Regular models(RS,RSX)
58
59
62
64
65
68
System models(LS,LSX)
66
67
70
72
73
76
Combi models(LC,LCX)
91
92
95
98
99
102
Φ22
Φ22
Φ15
Φ15
Φ22
Φ22
Φ15
Φ15
Φ22
Φ22
Φ15
Φ15
Φ22
Φ22
Φ15
Φ15
Φ22(Φ28)
Φ22(Φ28)
Φ15
Φ15
Φ22(Φ28)
Φ22(Φ28)
Φ15
Φ15
Summary of Contents for LCB700-21RS
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