6 | SmithsEP.co.uk | Issue 002 - November 2022
Issue 002 - November 2022 | SmithsEP.co.uk | 7
Model
Heat Output at 80°
Heat Output at 75°
Heat Output at 70°
Heat Output at 65°
Low
(kW)
Med
(kW)
High
(kW)
Low
(kW)
Med
(kW)
High
(kW)
Low
(kW)
Med
(kW)
High
(kW)
Low
(kW)
Med
(kW)
High
(kW)
CASPIAN LST 60
1.0
1.6
2.2
0.9
1.4
1.9
0.8
1.3
1.7
0.8
1.1
1.5
CASPIAN LST 90
3.0
3.5
3.9
2.8
3.2
3.7
2.6
3.0
3.5
2.4
2.8
3.2
CASPIAN LST 120
5.0
5.3
5.7
4.7
5.1
5.5
4.4
4.8
5.2
4.0
4.4
4.8
CASPIAN LST 150
6.2
6.7
7.2
6.0
6.5
7.0
5.7
6.2
6.7
5.3
5.8
6.3
CASPIAN LST 180
7.7
8.2
8.7
7.5
8.0
8.5
7.2
7.7
8.2
6.8
7.3
7.8
Model
Heat Output at 60°
Heat Output at 55°
Heat Output at 50°
Low
(kW)
Med
(kW)
High
(kW)
Low
(kW)
Med
(kW)
High
(kW)
Low
(kW)
Med
(kW)
High
(kW)
CASPIAN LST 60
0.7
1.0
1.3
0.6
0.8
1.1
0.6
0.7
0.8
CASPIAN LST 90
2.1
2.5
2.9
1.9
2.2
2.6
1.6
2.0
2.3
CASPIAN LST 120
3.6
4.0
4.4
3.2
3.6
4.1
2.8
3.2
3.7
CASPIAN LST 150
4.9
5.4
5.9
4.6
5.1
5.6
4.2
4.7
5.2
CASPIAN LST 180
6.4
6.9
7.4
6.1
6.6
7.1
5.7
6.2
6.7
Product performance
Heat output testing based on BS EN442 using mean water temperature, 20°C
entering air temperature, 10° temperature drop.
Sound levels measured at 3m in front of the floor mounted model.
Model
Pressure Drop
Total Power Consumption
High
(kPa)
Medium
(kPa)
Low
(kPa)
Flow & return
connections
Fused
spur
Low
(Watts)
Medium
(Watts)
High
(Watts)
Water Capacity
(Litres)
CASPIAN LST 60
1.5
1.1
0.9
22mm
3A
26
41
55
0.92
CASPIAN LST 90
3.9
2.3
1.6
22mm
3A
33
59
85
1.50
CASPIAN LST 120
7.3
5.5
5.3
22mm
3A
33
79
125
2.08
CASPIAN LST 150
8.6
6.8
6.2
22mm
3A
50
119
188
2.58
CASPIAN LST 180
11.3
8.6
7.9
22mm
3A
66
158
250
3.18
Model
Sound Levels
High
(dBA)
Medium
(dBA)
Low
(dBA)
Casting
colour
Fan
only
CASPIAN LST 60
50
43
35
white
•
CASPIAN LST 90
53
45
37
white
•
CASPIAN LST 120
57
48
38
white
•
CASPIAN LST 150
59
47
36
white
•
CASPIAN LST 180
59
47
36
white
•
Wiring diagrams
Caspian LST 60
Caspian LST 90 | 120 | 150 | 180
+10V
Control
Ground
Tacho
Speed Control
VR2
VR1
FAN
MVALVE
S W
LTC FAN
DIGITAL
11 10 L7 N6 3 2
PROBE
Brown
Black
Grey
Blue
Blue
Brown
Brown
Blue
Green
Mains Supply
Green
Blue
Brown
Thermostat Link
(optional)
Brown
1
2
3
4
5
6
7
8
9
E
N
L
E
N
L
Blue
Green
Brown
Brown
Brown
Brown
Blue
Brown
Brown
Brown
Brown
Brown
Brown
Red
White
ROOM STAT
Summer Winter Switch
BYPASS
TUBE
LTC
+10V
Control
Ground
Tacho
Speed Control
VR2
VR1
FAN
MVALVE
1
3
4
8
9
E
S W
DIGITAL
11 10 L7 N6 3 2
Brown
ROOM STAT
BYPASS
TUBE
LTC
LTC FAN
EC DC
Filter
PROBE
Mains Supply
Green
Blue
Brown
E
N
L
Thermostat Link
(optional)
Brown
Blue
Brown
Brown
Blue
Green
Brown
Black
Grey
Blue
Blue
Brown
Summer Winter Switch
Brown
Red
White
Blue
Brown
Brown
Green
Blue
Brown
Blue
Brown
Brown
Brown
Brown
Brown
Note: The earth link
is directly above the
negative terminal on
the EC DC filter
5
N
6
L
7
2
