Technical Data
Unless indicated, data shown relevant to all models 90 litre
115
litre
15
0 litre
Classifications
Appliance category
C
AT I2H
Flue Type
C1
3 -
C
33 -
C5
3 (as supplied)
NOx
C
lass
5
C
ylinder Insulation
C
F
C
, H
C
F
C
= 0%
Input Qn Hs
(hot water/central heating) - gross
7
.
8
- 2
7
.4
k
W
Output to CH Pn
(non-condensing) 6.
8
- 24.0
k
W
Output to CH Pnc
(condensing)
7
.6 - 2
5
.9
k
W
Inlet pressure
20 mbar
Gas rate
(after
1
0 mins.) 2.6 m3/hr max.
Gas control differential
(offset) -3
P
a to -
8
P
a (- 0.03 to - 0.0
8
mbar)
CO
(approx average)
7
0 ppm
Ventilation Requirements:
No
C
ompartment Ventilation Required
Connections
C
H Flow & Return 22 mm Techtite/compression
DHW Inlet & Outlet 22 mm tube end
Gas 22 mm compression
Temperature/
P
ress. Relief Valve 22 mm compression from tundish.
C
ondensate Outlet Flexible
P
ipe
5
00 mm long (fits 2
1
.
5
mm
PP
overflow systems)
Inlet
C
ontrol Group 22 mm compression inlet & outlet
Set reduced pressure 2.
5
bar, expansion relief valve set
8
.0 bar
Filling
L
oop
15
mm /
1
/2” union (accessible behind lower front panel)
Secondary Expansion Vessel
1
2 litre, pre-charge 2.
5
- 2.
7
bar (supplied separately)
Automatic bypass
Built in
Pressure loss warning
Gauge on facia
Built in programmer
2-channel, pre-programmed, battery bac
k
-up, separate times for HW
&
C
H, advance button,
C
H off selector
External programmer
Built-in room thermostat
Dedicated connectors on user terminal bloc
k
Built in frost protection
Boiler protected below
5
°
C
Optional Immersion Heater
Heatrae Mega. 3
k
W at 240V, Advantica Approved
Electricity supply
230v ~ 3A fused supply,
Power Consumption
(maximum)
1
26W
Working pressures
P
rimary 0.9 - 2.
5
bar
DHW
1
.0 - 2.
5
bar
Mains Supply
1
.0 -
1
6.0 bar
P
ressure Relief Valve (
P
rimary) 3.0 bar
Temperature/
P
ress. Relief Valve
P
re-set 9
5
°
C
,
1
0.0 bar opening
DHW temperature
30 °
C
to 60 °
C
DHW flow rate
(
P
ractical maximum assuming suitable mains supply)
2
5
l/m max. 2
5
l/m max. 2
5
l/m max.
Weights
L
ift Weight Heat Engine 4
5
k
g
C
ylinder 3
7
k
g 4
1
k
g 49
k
g
Full Weight
171
k
g 202
k
g 246
k
g
Cylinder
Maximum Mains
P
ressure
1
.6M
P
a (
1
6 bar)
Operational
Operating
P
ressure/
P
RV 0.2
5
M
P
a (2.
5
bar)
Summary
Maximum Design
P
ressure 0.
8
M
P
a (
8
bar)
Expansion Vessel
C
harge
P
ressure 0.2
5
M
P
a (2.
5
bar)
Expansion Relief Valve Setting 0.
8
M
P
a (
8
bar)
T &
P
Relief Valve Setting 90 - 9
5
°
C
/
1
.0M
P
a (
1
0 bar)
P
ressure Drop (
P
rimary
C
oil) 0.02M
P
a (0.2 bar)
Cylinder Standing Heat Loss
90
L
0.93
k
W/24hrs
115L
1
.04
k
W/24hrs
15
0
L
1
.39
k
W/24hrs
6
© Baxi Heating UK Ltd 2015