Technical Data - Lochinvar EcoKnight EKW85CE Installation, Commissioning And Maintenance Instructions

High efficiency gas fired condensing water heaters
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3.0

TECHNICAL DATA

Model Number
GENERAL DATA
Input (gross) – kW
Input (net) – kW
Recovery Rate (44° ΔT) – l/hr
Recovery Rate (50° ΔT) – l/hr
Heat generator seasonal efficiency – %
Shipping Weight – kg
NO
Class
X
GAS DATA – G20
Nominal gas inlet pressure – mbar
Maximum gas inlet pressure – mbar
Minimum gas inlet pressure – mbar
Gas flow rate – m
/hr
3
Flue gas mass rate – g/sec
(@ 9.0% CO
)
2
Gas inlet connection size – " BSP
GAS DATA – G31
Nominal gas inlet pressure – mbar
Maximum gas inlet pressure – mbar
Minimum gas inlet pressure – mbar
Gas flow rate – m
/hr
3
Flue gas mass rate – g/sec
(@ 10.5% CO
)
2
Gas inlet connection size – " BSP
WATER DATA
Water content – litres
Water connections (F & R) – " BSP
Max. water pressure (PMS) – bar
Min. water pressure – bar
Test pressure – bar
Maximum water temperature – C
FLUE DATA TYPE B
23
Nominal flue diameter – mm
Maximum flue gas temp. – C
Maximum equivalent length – m
Equivalent length 90 bend – mm
Equivalent length 45 bend – mm
Flue gas temperature – C
Flue draught requirements – mbar
FLUE DATA TYPE C
& C
13
33
Nominal flue diameter – mm
Maximum flue gas temp. – C
Maximum equivalent length – m
Equivalent length 90 bend – mm
Equivalent length 45 bend – mm
FLUE DATA TYPE C
& C
43
53
Nominal flue diameter – mm
Average flue gas temp. – C
(80/60 Flow/Return)
Maximum flue gas temp. – C
Maximum equivalent length – m
Equivalent length 90 bend – mm
Equivalent length 45 bend – mm
EKW175CE, EKW205 and EKW235CE use a concentric terminal only. The remainder of the flue system is to
be constructed from 150mm single wall components.
*
On twin pipe systems, the maximum equivalent length is the sum the air inlet components and the exhaust
components.
EKW45CE
EKW60CE
EKW85CE
44.0
61.5
39.6
55.4
806
1153
709
1014
93.8
95.9
75
79
4.2
5.9
16.0
22.3
½
½
1.7
2.3
16.7
23.2
½
½
4.9
6.4
1 ¼
80
80/125
30
80
TABLE 3.1
EKW115CE
EKW145CE
83.5
116.9
146.5
75.2
105.3
132.0
1567
2164
2768
1379
1904
2436
96.1
94.7
97.8
102
129
138
5
20
25
17.5
8.0
11.1
14.0
30.4
42.5
53.2
¾
1
37
45
27
3.1
4.4
5.5
31.6
44.2
55.4
¾
1
9.1
12.9
15.9
11.0
0.5
16.5
80
100
120
60
1000
500
70
-0.03 to -0.1
100/150
120
1000
500
100
70
120
60*
1000
500
TECHNICAL DATA
EKW175CE
EKW205CE
175.8
205.2
158.4
184.9
3302
3865
2905
3401
96.1
96.4
154
168
16.8
19.6
63.9
74.6
1
1
1
6.6
7.7
66.6
77.6
1
1
1
15.9
18.9
2
150
1500
900
150/220
13
30‡
1500
900
150
1500
900
EKW235CE
234.5
211.3
4338
3819
94.7
184
22.3
85.2
1
8.8
88.8
1
21.6
9

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