Lezeti Chiltrix CXI34 User manual

LEZETi CXI FCU _Manual Version 1.4
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CXI Chiltrix FCU"
5.1”Thin DC –Inverter Water Fan Coil Unit
Floor, Wall or Ceiling,
Universal Mount
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MANUAL
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LEZETi CXI FCU _Manual Version 1.4
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LEZETi CXI FCU _Manual Version 1.4
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CHAPTER 1 GENERAL INTRODUCTION
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1
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3. Measurements
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Model
Net Dimension
(inch: L/W/H)
Net weight / Gross weight
(lb.)
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Power Supply
CXI34
27.5 / 5.25 / 25.75
28.7 / 32
110V-1ph-50-60Hz
CXI65
35.25 / 5.25 / 25.75
37.5 / 41.9
110V-1ph-50-60Hz
CXI85
43.25 / 5.25 / 25.75
44.1 / 48.5
110V-1ph-50-60Hz
CXI120
51. / 5.25 / 25.75
50.7 / 57.3
110V-1ph-50-60Hz
CXI148
59.0 / 5.25/25.75
73.8 / 81.1
110V-1ph-50-60Hz
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LEZETi CXI FCU _Manual Version 1.4
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LEZETi CXI FCU _Manual Version 1.4
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4. Product Features
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5.##Safety#Precautions#
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LEZETi CXI FCU _Manual Version 1.4
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LEZETi CXI FCU _Manual Version 1.4
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CHAPTER 2
PERFORMANCE AND SPECIFICATION
CXI-34 Performance curve
(at 2.4GPM per each 12,000BTU) Temps in F
Heating capacity performance data and curve
Entering
water
Indoor air
95
104
113
122
131
140
63
2802
3556
4309
5062
6205
7348
64
2626
3375
4124
4873
6043
7214
66
2441
3194
3947
4701
5857
7014
68
2260
3013
3767
4520
5667
6814
70
2152
2897
3643
4388
5534
6680
72
2035
2778
3521
4264
5405
6546
73
1843
2599
3354
4109
5228
6346
75
1661
2417
3174
3930
5038
6146
Cooling capacity performance data and curve
Entering
Water
Indoor air
44
49
54
59
64
75.2/62.6
3135
2712
2381
2067
1778
77/64.4
3271
2830
2484
2156
1855
78.8/64.4
3376
2920
2564
2225
1914
80.6/67.1
3480
3010
2643
2294
1973
82.4/68
3615
3127
2746
2383
2050
84.2/69.8
3717
3215
2823
2450
2107
86/71.6
3828
3311
2907
2523
2170
1500
2000
2500
3000
3500
4000
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
Cooling capacity（Btu/h）
Indoor Air DB/WB（℉）
Performance curve
"Entering water 44℉"Entering water 49℉” Entering water 54℉
Entering water 59℉Entering water 64℉
1000
2000
3000
4000
5000
6000
7000
8000
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
Heatting capacity（Btu/h）
Indoor air temperature （℉）
Performance curve
Entering water 95℉Entering water104℉
Entering water 113℉Entering water122℉
Entering water 131℉Entering water 140℉

LEZETi CXI FCU _Manual Version 1.4
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CXI-34
The leaving water temperature data – Heating
Entering
water
Indoor air
95
104
113
122
131
140
63
87.0
93.9
100.8
107.6
113.4
119.1
64
87.5
94.4
101.3
108.1
113.8
119.5
66
88.1
94.9
101.8
108.6
114.3
120.1
68
88.6
95.4
102.3
109.2
114.9
120.6
70
88.9
95.8
102.6
109.5
115.3
121.0
72
89.2
96.1
103.0
109.9
115.6
121.4
73
89.8
96.6
103.5
110.3
116.1
122.0
75
90.3
97.1
104.0
110.8
116.7
122.5
The leaving water temperature data – Cooling
Entering
water
Indoor air
44
49
54
59
64
75.2/62.6
52.9
56.7
60.8
64.9
69.1
77/64.4
53.3
57.0
61.1
65.1
69.3
78.8/64.4
53.6
57.3
61.3
65.3
69.4
80.6/67.1
53.9
57.6
61.5
65.5
69.6
82.4/68
54.3
57.9
61.8
65.8
69.8
84.2/69.8
54.6
58.1
62.0
66.0
70.0
86/71.6
54.9
58.4
62.3
66.2
70.2
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80
90
100
110
120
130
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 95℉
Entering water104℉
Entering water 113℉
Entering water122℉
Entering water 131℉
45
50
55
60
65
70
75
80
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 44℉
Entering water49℉
Entering water 54℉
Entering water 59℉

LEZETi CXI FCU _Manual Version 1.4
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CXI-65 Performance curve
(at 2.4GPM per each 12,000BTU) Temps in F
Heating capacity performance data and curve
Entering
water
Indoor air
95
104
113
122
131
140
63
5270
6687
8103
9520
10535
11550
64
4939
6347
7755
9163
10252
11340
66
4590
6007
7423
8840
9933
11025
68
4250
5667
7083
8500
9605
10710
70
4047
5449
6851
8252
9376
10500
72
3827
5224
6621
8019
9154
10290
73
3467
4887
6307
7727
8851
9975
75
3123
4546
5969
7391
8526
9660
'
Cooling capacity performance data and curve
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
5974
5167
4537
3938
3387
77/64.4
6232
5391
4733
4108
3533
78.8/64.4
6431
5563
4884
4240
3646
80.6/67.1
6630
5735
5035
4371
3759
82.4/68
6888
5958
5231
4541
3905
84.2/69.8
7081
6125
5378
4668
4014
86/71.6
7293
6308
5539
4808
4135
' '
3000
5000
7000
9000
11000
13000
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
Heatting capacity（Btu/h）
Indoor air temperature （℉）
Performance curve
Entering water 95℉Entering water104℉
Entering water 113℉Entering water122℉
Entering water 131℉Entering water 140℉
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
Cooling capacity（Btu/h）
Indoor Air DB/WB（℉）
Performance curve
"Entering water 44℉"Entering water 49℉”
Entering water 54℉Entering water 59℉

LEZETi CXI FCU _Manual Version 1.4
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CXI-65
The leaving water temperature data – Heating
Entering
water
Indoor air
95
104
113
122
131
140
63
87.3
94.2
101.1
108.0
115.5
123.0
64
87.7
94.7
101.6
108.5
115.9
123.3
66
88.3
95.2
102.1
109.0
116.4
123.8
68
88.8
95.7
102.6
109.5
116.9
124.3
70
89.1
96.0
102.9
109.9
117.2
124.6
72
89.4
96.3
103.3
110.2
117.6
124.9
73
89.9
96.8
103.7
110.7
118.0
125.4
75
90.4
97.3
104.2
111.1
118.5
125.8
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The leaving water temperature data – Cooling
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
52.8
56.6
60.7
64.8
69.0
77/64.4
53.1
56.9
60.9
65.0
69.2
78.8/64.4
53.4
57.2
61.2
65.2
69.3
80.6/67.1
53.7
57.4
61.4
65.4
69.5
82.4/68
54.1
57.7
61.7
65.7
69.7
84.2/69.8
54.4
58.0
61.9
65.8
69.9
86/71.6
54.7
58.3
62.1
66.1
70.1
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80
90
100
110
120
130
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 95℉
Entering water104℉
Entering water 113℉
Entering water122℉
50
60
70
80
90
100
110
120
130
62.6 64.4 66.2 68 69.8 71.6
Heatting capacity（Btu/h）
Indoor air temperature （℉）
Performance curve
50
55
60
65
70
75
80
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 44℉
Entering water49℉
Entering water 54℉
Entering water 59℉

LEZETi CXI FCU _Manual Version 1.4
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Cooling capacity performance data and curve
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
7812
6757
5933
5150
4429
77/64.4
8150
7050
6190
5373
4620
78.8/64.4
8410
7275
6387
5544
4768
80.6/67.1
8670
7500
6585
5715
4915
82.4/68
9007
7791
6841
5938
5106
84.2/69.8
9260
8010
7032
6104
5250
86/71.6
9537
8250
7243
6287
5407
'
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CXI-85 Performance curve
(at 2.4GPM per each 12,000BTU) temps in F
Heating capacity performance data and curve
Entering
water
Indoor air
95
104
113
122
131
140
63
7068
8968
10868
12768
14799
16830
64
6623
8512
10401
12289
14407
16524
66
6156
8056
9956
11856
13961
16065
68
5700
7600
9500
11400
13503
15606
70
5428
7308
9188
11068
13184
15300
72
5132
7006
8881
10755
12874
14994
73
4649
6554
8459
10364
12449
14535
75
4189
6097
8005
9913
11995
14076
3000
5000
7000
9000
11000
13000
15000
17000
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
Heatting capacity（Btu/h）
Indoor air temperature （℉）
Performance curve
Entering water 95℉Entering water104℉
Entering water 113℉Entering water122℉
Entering water 131℉Entering water 140℉
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
Cooling capacity（Btu/h）
Indoor Air DB/WB（℉）
Performance curve
"Entering water 44℉"Entering water 49℉” Entering water 54℉
Entering water 59℉Entering water 64℉

LEZETi CXI FCU _Manual Version 1.4
!,"
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CXI-85
The leaving water temperature data – Heating
Entering
water
Indoor air
95
104
113
122
131
140
63
87.2
94.0
100.9
107.8
114.6
121.3
64
87.6
94.5
101.5
108.4
115.0
121.7
66
88.2
95.1
101.9
108.8
115.5
122.2
68
88.7
95.6
102.5
109.3
116.0
122.7
70
89.0
95.9
102.8
109.7
116.4
123.0
72
89.3
96.2
103.1
110.1
116.7
123.4
73
89.8
96.7
103.6
110.5
117.2
123.9
75
90.3
97.2
104.1
111.0
117.7
124.4
'
'
The leaving water temperature data – Cooling
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
52.7
56.5
60.6
64.7
68.9
77/64.4
53.0
56.8
60.9
65.0
69.1
78.8/64.4
53.3
57.1
61.1
65.2
69.3
80.6/67.1
53.6
57.3
61.3
65.3
69.5
82.4/68
54.0
57.6
61.6
65.6
69.7
84.2/69.8
54.3
57.9
61.8
65.8
69.8
86/71.6
54.6
58.2
62.0
66.0
70.0
'
' '
80
90
100
110
120
130
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 95℉
Entering water104℉
Entering water 113℉
Entering water122℉
Entering water 131℉
50
55
60
65
70
75
80
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 44℉
Entering water49℉
Entering water 54℉
Entering water 59℉

LEZETi CXI FCU _Manual Version 1.4
!;"
"
CXI-120 Performance curve
(at 2.4GPM per each 12,000BTU) Temps in F
Heating capacity performance data and curve
Entering water
Indoor air
95
104
113
122
131
140
63
9052
11485
13919
16352
19022
21692
64
8483
10901
13320
15739
18518
21298
66
7884
10317
12751
15184
17945
20706
68
7300
9733
12167
14600
17357
20114
70
6951
9359
11767
14175
16947
19720
72
6573
8973
11373
13774
16550
19326
73
5955
8394
10833
13273
16003
18734
75
5365
7808
10252
12696
15419
18142
'
Cooling capacity performance data and curve
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
11028
9539
8376
7270
6252
77/64.4
11506
9952
8738
7585
6523
78.8/64.4
11873
10270
9017
7827
6731
80.6/67.1
12240
10588
9296
8069
6939
82.4/68
12716
10999
9657
8383
7209
84.2/69.8
13072
11308
9928
8618
7411
86/71.6
13464
11646
10226
8876
7633
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5000
7000
9000
11000
13000
15000
17000
19000
21000
23000
25000
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
Heatting capacity（Btu/h）
Indoor air temperature （℉）
Performance curve
Entering water 95℉Entering water104℉
Entering water 113℉Entering water122℉
Entering water 131℉Entering water 140℉
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
Cooling capacity（Btu/h）
Indoor Air DB/WB（℉）
Performance curve
"Entering water 44℉"Entering water 49℉” Entering water 54℉
Entering water 59℉Entering water 64℉

LEZETi CXI FCU _Manual Version 1.4
!+"
"
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CXI-120
The leaving water temperature data – Heating
Entering
water
Indoor
air
95
104
113
122
131
140
63
87.9
95.0
102.1
109.2
116.1
123.0
64
88.3
95.4
102.5
109.6
116.5
123.3
66
88.8
95.9
103.0
110.1
116.9
123.7
68
89.3
96.4
103.5
110.5
117.4
124.2
70
89.5
96.7
103.8
110.9
117.7
124.5
72
89.8
97.0
104.1
111.2
118.0
124.8
73
90.3
97.4
104.5
111.6
118.4
125.3
75
90.8
97.9
105.0
112.0
118.9
125.8
'
'
The leaving water temperature data – Cooling
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
52.6
56.5
60.6
64.7
68.9
77/64.4
53.0
56.8
60.9
64.9
69.1
78.8/64.4
53.3
57.1
61.1
65.1
69.3
80.6/67.1
53.6
57.3
61.3
65.3
69.4
82.4/68
54.0
57.6
61.6
65.6
69.7
84.2/69.8
54.3
57.9
61.8
65.8
69.8
86/71.6
54.6
58.1
62.0
66.0
70.0
'
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80
90
100
110
120
130
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 95℉
Entering water104℉
Entering water 113℉
Entering water122℉
50
55
60
65
70
75
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
The leaving water
temperture
Indoor air temperature （℉）
Performance curve
Entering water 44℉
Entering water49℉
Entering water 54℉

LEZETi CXI FCU _Manual Version 1.4
!E"
"
CXI-148 Performance curve
(at 2.4GPM per each 12,000BTU) Temps in F
Heating capacity performance data and curve
Entering
water
Indoor air
95
104
113
122
131
140
63
11036
14003
16969
19936
23993
28050
64
10342
13291
16240
19188
23364
27540
66
9612
12579
15545
18512
22644
26775
68
8900
11867
14833
17800
21905
26010
70
8475
11410
14346
17282
21391
25500
72
8014
10940
13866
16792
20891
24990
73
7260
10234
13208
16182
20203
24225
75
6540
9520
12499
15478
19469
23460
'
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'
'
'
'
'
'
'
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Cooling capacity performance data and curve
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
13605
11768
10333
8969
7713
77/64.4
14194
12278
10780
9357
8047
78.8/64.4
14647
12670
11124
9656
8304
80.6/67.1
15100
13062
11468
9954
8561
82.4/68
15687
13569
11914
10341
8893
84.2/69.8
16127
13950
12248
10631
9143
86/71.6
16610
14368
12615
10950
9417
5000
10000
15000
20000
25000
30000
35000
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
Heatting capacity（Btu/h）
Indoor air temperature （℉）
Performance curve
Entering water 95℉Entering water104℉
Entering water 113℉Entering water122℉
Entering water 131℉Entering water 140℉
6000
8000
10000
12000
14000
16000
18000
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
Cooling capacity（Btu/h）
Indoor Air DB/WB（℉）
Performance curve
"Entering water 44℉"Entering water 49℉” Entering water 54℉
Entering water 59℉Entering water 64℉

LEZETi CXI FCU _Manual Version 1.4
!T"
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The leaving water temperature data – Cooling
Entering
water
Indoor
air
44
49
54
59
64
75.2/62.6
52.7
56.5
60.6
64.7
68.9
77/64.4
53.1
56.9
60.9
65.0
69.2
78.8/64.4
53.4
57.1
61.1
65.2
69.3
80.6/67.1
53.7
57.4
61.3
65.4
69.5
82.4/68
54.0
57.7
61.6
65.6
69.7
84.2/69.8
54.3
57.9
61.8
65.8
69.9
86/71.6
54.6
58.2
62.1
66.0
70.0
'
' '
CXI-148
The leaving water temperature data – Heating
Entering
Water
Indoor air
95
104
113
122
131
140
63
87.9
95.0
102.1
109.2
115.6
122.0
64
88.4
95.5
102.6
109.7
116.0
122.3
66
88.8
95.9
103.0
110.1
116.5
122.8
68
89.3
96.4
103.5
110.6
117.0
123.3
70
89.6
96.7
103.8
110.9
117.3
123.7
72
89.9
97.0
104.1
111.2
117.6
124.0
73
90.3
97.4
104.5
111.6
118.0
124.5
75
90.8
97.9
105.0
112.1
118.5
125.0
80
90
100
110
120
130
62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
The leaving water temperture
Indoor air temperature （℉）
Performance curve
Entering water 95℉Entering water104℉
Entering water 113℉Entering water122℉
Entering water 131℉Entering water 140℉
50
55
60
65
70
75
80
75.2/62.6 77/64.4 78.8/64.4 80.6/67.1 82.4/68 84.2/69.8 86/71.6
The leaving water
temperture
Indoor air temperature （℉）
Performance curve
Entering water 44℉Entering water49℉
Entering water 54℉Entering water 59℉
Entering water 64℉

LEZETi CXI FCU _Manual Version 1.4
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