Lennox KVHK 22E, KVCK 28E, KVHA 22E, KVHA 24E, KVHK 28E Installation, Operation & Maintenance Manual
...
COMPACTAIR
KVCK / KVHK
English/04-2004
INSTALLATION
OPERATION &
MAINTENANCE MANUAL
1
2.- INSTALLATION
PAGE
PAGE
PAGE
22
22
23
24
25
25
26-30
31-36
37
38
39
40
41
2.1.- INSTALLATION GUIDELINES
2.2.- UNIT INSTALLATION
2.3.- OPTIONAL TASK PRIOR TO UNIT INSTALLATION:
FLOW REGULATION IN THE FANS
2.4.- UNIT LOCATION
2.5.- INSTALLATION CLEARANCES
2.6.- DRAINS
2.7.- REFRIGERANT CONNECTIONS
2.8.- ELECTRICAL CONNECTIONS
DATA PAGE FOR UNIT COMMISSIONING
PAGE
4
5-6
7-8
9
10-19
20-21
PAGE 3
PAGE 2
POINTS TO KEEP IN MIND
TABLE OF CONTENTS
1.- GENERAL CHARACTERISTICS
1.1.- PHYSICAL DATA
1.2.- FAN PERFORMANCES
1.3.-
ELECTRICAL DATA
1.4.- OPERATING LIMITS
1.5.- UNIT DIMENSIONS
1.6.- AVAILABLE OPTIONS
4.- MAINTENANCE
4.1.- PREVENTIVE MAINTENANCE
4.2.- CORRECTIVE MAINTENANCE
4.3.- FAILURE DIAGNOSIS
3.- COMMISSIONING AND OPERATION
3.1.- PRELIMINARY CHECKS
3.2.- STEPS TO FOLLOW FOR COMMISSIONING THE UNIT
2
Risk of injury with
rotating objects
Low
temperatures
High
temperatures
Risk of injury with
moving objects
Electrical
voltage
Abrasive
surfaces
Standard Guidelines to Lennox equipment
All technical data contained in these operating instructions including the diagrams and technical description remains
the property of Lennox and may not be used (except for the purpose of familiarizing the user with the equipment),
reproduced, photocopied, transferred or transmitted to third parties without prior written authorization from Lennox
.
The data published in the operating instructions is based on the latest information available. We reserve the right
to make modifications without notice.
We reserve the right to modify our products without notice without obligation to modify previously supplied goods.
These operating instructions contain useful and important information for the smooth operation and maintenance
of your equipment.
The instructions also include guidelines on how to avoid accidents and serious damage before commissioning the
equipment and during its operation and how to ensure smooth and fault-free operation. Read the operating instructions
carefully before starting the equipment, familiarize yourself with the equipment and handling of the installation and
carefully follow the instructions. It is very important to be properly trained in handling the equipment. These operating
instructions must be kept in a safe place near the equipment.
Like most equipment, the unit requires regular maintenance. This section concerns the maintenance personnel and
management.
If you have any queries or would like to receive further information on any aspect relating to your equipment, do not
hesitate to contact us.
POINTS TO KEEP IN MIND
3
High pressure:
Low pressure:
circuit 1
circuit 2
circuit 1
circuit 2
Air intake temperature to the outdoor coil:
Air output temperature to the outdoor coil:
High pressure:
Low pressure:
circuit 1
circuit 2
circuit 1
circuit 2
Air intake temperature to the outdoor coil:
Air output temperature to the outdoor coil:
Options installed:
Comments:
ELECTRIC POWER CONSUMPTION (Amps)
ºC
1
ºC
2
ºC
1
2
ºC
1
ºC
2
ºC
Fan outdoor section 1
Fan outdoor section 1
Fan outdoor section 2
Fan outdoor section 2
ºC
1
ºC
2
Compressor 1 Compressor 2
Compressor 1 Compressor 2
UNIT:
SERIAL Nr.:
INSTALLATION ADDRESS:
INSTALLER:
INSTALLER TEL.:
CHECKS:
SUPPLY VOLTAGE:
DATA INPUT:
DATE OF COMMISSIONING:
INSTALLER ADDRESS:
RATED VOLTAGE OF THE UNIT:
YES NO
GENERAL POWER SUPPLY CONNECTION
CONTROL PANEL CONNECTION
COOLING CYCLE
HEATING CYCLE
COMPRESSOR OIL LEVEL INDICATOR
UNIT ON SHOCK ABSORBERS
DRAINAGE WITH TRAP
CONTROL PANEL IDENTIFICATION CODE
DATA PAGE FOR UNIT COMMISSIONING
4
COMPRESSOR
Nr. / Type
NET WEIGHT
Cooling only units KVC
Heat pump units KVH
UNIT MODEL
REFRIGERANT CHARGE
COMPRESSOR
No. / Type
NET WEIGHT
Cooling only units KVC
Heat pump units KVH
UNIT MODEL
REFRIGERANT CHARGE
Kg
Kg
Kg
Kg
1 / Scroll
22E
205
1 / Scroll
24E
265
1 / Scroll
28E
275
1 / Scroll
32E
280
1 / Scroll
38E
360
2 / Scroll
520
2 / Scroll
540
2 / Scroll
545
2 / Scroll
670
48D/D2
56D/D2
76D/D2
NITROGEN (*)
NITROGEN (*)
210 270 280 285 365
530 550 555 680
2 / Scroll
44D/D2
400
410
2 / Scroll
850
4 / Scroll
900
100D/D2
860 910
64D/D2
86D/D2
KV C K
Type of unit
outdoor
COMPACTAIR
24 VFC
VFC: Voltage free contact
unit version.
------: Standard unit version.
E
E: one circuit
D: two circuits
D2: Units multi-spilt
2 indoor units
KVHA: Heat pump unit R-22
KVCK: Cooling only unit R-407C
KVHK: Heat pump unit R-407C
Application
C: Cooling only
H: Heat pump
Type of Refrigerant
A: R-22
K: R-407C
Approximate cooling
capacity in Kw
1.- GENERAL CHARACTERISTICS
1.1.- PHYSICAL DATA
(*) The units are supplied with nitrogen gas, this must be removed and charge the unit with refrigerant R-22 or
R-407C, depends on unit model.
(See pages 29 and 30, to calculate model refrigerant charge)
5
1.2.- STANDARD FAN PERFORMANCES.
STATIC PRESSURE AVAILABLE Pa.
WRONG STATUS ON ACCOUNT OF MOTOR POWER LIMIT
1 TURN
PULLEY CLOSED
PULLEY
POSITION
2 TURNS
3 TURNS
1 TURN
PULLEY CLOSED
PULLEY
POSITION
2 TURNS
3 TURNS
1 TURN
PULLEY CLOSED
PULLEY
POSITION
2 TURNS
3 TURNS
22E
24E
28E
32E
38E
5600 6325
7350
5600 6325
7550
AVAILABLE STATIC PRESSURE Pa
AVAILABLE STATIC PRESSURE Pa
AVAILABLE STATIC PRESSURE Pa
AVAILABLE STATIC PRESSURE Pa
AVAILABLE STATIC PRESSURE Pa
AVAILABLE STATIC PRESSURE Pa
AIR FLOW M3/H
AIR FLOW M3/H
AIR FLOW M3/H
AIR FLOW M3/H
AIR FLOW M3/H
9000 9600 10300 11000
7050
6800
5600 6125
7100
6650
6500 7000 7500 8000
13000
14000
15000
16000
18000 19200
20600
22000
44D/D2
64D/D2
76D/D2
AIR FLOW M3/H
11.200 12.650
15.100
14.100
48D/D2
11.200 12.650
14.700
13.600
56D/D2
11.200 12.250
14.200
13.300
21000
23000
25000
26000
23000 24600
26200
28000
86D/D2
100D/D2
AIR FLOW
AIR FLOW
AIR FLOW
140 90 50 0
160 110 50 0
170 120 50 0
1000
300*
250*
270*
200*
160* 120*
90* 40*
930
870
800
165*
70*
0*
25*
___
110*
1140
300*
230*
275*
200*
175* 140*
115* 75*
1070
995
920
225*
140*
75*
20*
25*
___
1140
1070
995
920
300*
230*
275*
200*
225*
140*
175*
140*
75*
115*
75*
20*
25*
___
1000
930
870
800
300*
250*
270*
200*
165*
160*
120*
70*
90*
40*
0*
110*
25*
___
170 120 50 0
160 110 50 0
140 90 50 0
1010
995
900
845
270*
190*
205*
125*
135*
55*
140*
70*
0*
85*
15*
__
__
1120
1080
1030
980
360*
290*
305*
245*
240*
190*
230*
170*
110*
180*
120*
60*
100*
20*
0*
25*
__
85*
85*
165*
(*)
( )
1.- GENERAL CHARACTERISTICS
NOTE: The unit leaves factory with pulley
two turns opened.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
6
1.2.- FAN PERFORMANCES WITH KIT HIGH STATIC PRESSURE TO 350Pa (OPTION)
1 TURN
PULLEY CLOSED
PULLEY
POSITION
2 TURNS
3 TURNS
1 TURN
PULLEY CLOSED
PULLEY
POSITION
2 TURNS
3 TURNS
1 TURN
PULLEY CLOSED
PULLEY
POSITION
2 TURNS
3 TURNS
22E
24E
5600 6325 6800 7350
5600 6325 7050 7550
5600
6125
6650
7100
11200 12650
14100
15100
28E
44D/D2
11200
12650
13600
14700
11200 12250
13300
14200
48D/D2
56D/D2
AIR FLOW
AIR FLOW
AIR FLOW
1140
365*
290*
325*
250*
240* 190*
185* 140*
1070
995
920
290*
210*
165*
105*
135*
70*
195*
1140
365*
290*
330*
255*
240* 195*
185* 145*
1070
995
920
290*
210*
165*
105*
135*
70*
1140
1070
995
920
365*
290*
325*
250*
290*
210*
240*
190*
165*
185*
140*
105*
135*
70*
1140
1070
995
920
365*
290*
330*
255*
210*
240*
195*
165*
185*
145*
105*
135*
70*
1140
1070
995
920
365*
290*
330*
255*
290*
210*
240*
195*
165*
185*
145*
105*
135*
1140
1070
995
920
365*
290*
330*
255*
290*
210*
240*
195*
165*
185*
145*
105*
195*
135*
70*
70*
195*
270*
195*
(*)
( )
STATIC PRESSURE AVAILABLE Pa.
WRONG STATUS ON ACCOUNT OF MOTOR POWER LIMIT
1.- GENERAL CHARACTERISTICS
NOTE: The unit leaves factory with pulley
two turns opened.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
M3/H
R.P.M.
7
V/f (50 Hz)
Kw
Kw
Kw
A
A
A
A
V/f (50 Hz)
Kw
Kw
Kw
A
A
A
A
Maximum absorbed power
Voltage
Maximum current
Total current
Start up current
UNIT MODELS
Fan
Compressor
Fan
Compressor
Maximum absorbed power
Voltage
Maximum current
Total current
Start up current
UNIT MODELS
Fan
Compressor
Fan
Compressor
Total power
Total power
KVCK 48D
KVHK 48D
KVHA 48D
KVCK 56D
KVHK 56D
KVHA 56D
KVCK 64D
KVHK 64D
KVHA 64D
KVCK 76D
KVHK 76D
KVHA 76D
KVCK 22E
KVHK 22E
KVHA 22E
KVCK 24E
KVHK 24E
KVHA 24E
KVCK 28E
KVHK 28E
KVHA 28E
KVCK 32E
KVHK 32E
KVHA 32E
KVCK 38E
KVHK 38E
KVHA 38E
230V-400V/ 3Ph
22,4/12,9
28,8/16,6
184,4/104,7
6,4/3,7
2,2
7,6
9,8
6,4/3,7
2,2
8,62
10,8
24,3/14
30,7/17,7
172,4/102,7
6,4/3,7
2,2
11,15
13,4
28,5/16,4
34,9/20,1
216,4/126,7
2,5
12,9
15,4
36,5/21
45,3/26,1
232,8/132,1
8,8/5,1
2,8
15,55
18,4
46,1/25,6
58,6/32,8
291,5/165,2
12,5/7,2
KVCK 86D
KVHK 86D
KVHA 86D
KVCK 44D
KVHK 44D
KVHA 44D
44,8/25,8
57,6/33,2
213,2/121,3
12,8/7,4
4,4
15,2
19,6
KVCK 100D
KVHK 100D
KVHA 100D
230V-400V/ 3Ph
48,6/28
61,4/35,4
203,1/120,4
12,8/7,4
4,4
17,24
21,6
12,8/7,4
4,4
22,3
26,7
57/32,8
69,8/40,2
251,3/146,8
17,6/10,2
5
25,8
30,8
73/42
90,6/52,2
278,1/158,2
5,6
31,1
36,7
92,2/51,2
117,1/65,6
350,0/198,0
24,9/14,4
8
38,14
46,1
106,6/60
138,1/78,2
414,5/237,2
31,5/18,2
114/65,6
155,2/89,4
337,2/195,8
41,2/23,8
10
44,6
54,6
1.3.- ELECTRICAL DATA
R-407C
R-22
1.- GENERAL CHARACTERISTICS
8
V/f (50 Hz)
Kw
Kw
Kw
A
A
A
A
Maximum absorbed power
Voltage
Maximum current
Total current
Start up current
UNIT MODELS
Fan
Compressor
Fan
Compressor
Total power
KVCK
KVHK
KVHA
48D2
KVCK
KVHK
KVHA
56D2
KVCK
KVHK
KVHA
64D2
KVCK
KVHK
KVHA
76D2
230V-400V/ 3Ph
12,8/7,4
4,4
17,24
21,6
48,6/28
61,4/35,4
203,1
120,4
12,8/7,4
4,4
22,3
26,7
57/32,8
69,8/40,2
251,3
146,8
5
25,8
30,8
73/42
90,6/52,2
278,1
158,2
17,6/10,2
5,6
31,1
36,7
92,2/51,2
117,1/65,6
350,0
198,0
24,9/14,4
KVCK
KVHK
KVHA
86D2
8
38,14
46,1
106,6/60
138,1/78,2
414,5
237,2
31,5/18,2
KVCK
KVHK
KVHA
100D2
10
44,6
54,6
114/65,6
155,2/89,4
337,2
195,8
41,2/23,8
KVCK
KVHK
KVHA
44D2
44,8/25,8
57,6/33,2
213,2
121,3
12,8/7,4
4,4
15,2
19,6
R-407C
1.3.- ELECTRICAL DATA
1.- GENERAL CHARACTERISTICS
R-22
9
MODELS
With rated outdoor flow
With minimum outdoor flow
MODELS
With rated outdoor flow
With minimum outdoor flow
DEPENDING ON MODEL
(TABLE 1)
32º C DB / 23ºC WB
21º C DB / 15ºC WB
27º C DB
15ºC DB
24º C DB / 18ºC WB
-10º C DB / -11ºC WB
DEPENDING ON MODEL
(TABLE 1)
INDOOR
TEMPERATURE
MAXIMUM TEMPERATURES MINIMUM TEMPERATURES
32º C DB / 23ºC WB
COOLING CYCLE
OPERATION
21º C DB / 15ºC WB
OUTDOOR
TEMPERATURE
+19º C STANDARD UNIT
0º C WITH OPTIONAL CPC ON/OFF
-10ºC (*)
+19º C STANDARD UNIT
0º C WITH OPTIONAL CPC ON/OFF
-10ºC (*)
INDOOR
TEMPERATURE
MAXIMUM TEMPERATURES MINIMUM TEMPERATURES
COOLING CYCLE
OPERATION
OUTDOOR
TEMPERATURE
INDOOR
TEMPERATURE
HEATING CYCLE
OPERATION
OUTDOOR
TEMPERATURE
1.4.- OPERATING LIMITS
(To install with LECK - LEHA - LEHK units)
OPERATING LIMITS FOR (COOLING ONLY) UNITS
22E
45
43
24E
45
43
28E
43
41
32E
43
40
38E
42
39
44D
44D2
45
43
48D
48D2
45
43
56D
56D2
43
41
64D
64D2
43
40
76D
76D2
42
39
86D
86D2
42
39
100D
100D2
41
38
22E
48
46
24E
48
45
28E
46
44
32E
46
44
38E
45
42
44D
44D2
48
46
48D
48D2
48
45
56D
56D2
46
44
64D
64D2
46
44
76D
76D2
45
42
86D
86D2
45
42
100D
100D2
44
41
(*) With kit hot gas by pass or proportional winter control (options).
(*) With kit hot gas by pass or proportional winter control (options).
OPERATING LIMITS FOR (HEATING PUMP) UNITS
1.- GENERAL CHARACTERISTICS
DB.- Dry Bulb Temperature
WB.- Wet Bulb Temperature
TABLE 1-COOLING CYCLE MAXIMUM OUTDOOR OPERATING TEMPERATURES
MODELS WITH REFRIGERANT R-407C
MODELS WITH REFRIGERANT R-22
10
Drainage outside
thread 3/4''
Refrigerant
connections
Refrigerant
connections
Power supply
connection
Power supply connection
Control panel connection
Electrical box
Drainage outside
thread 3/4''
Power supply
Power
supply
Control
panel
connection
Ø 14 (x 4)
20
33
978
99
888
47
348
118
100
25
1350
1.195
550
100
1.255
15
15
1375
The dimensions referred
to the center of the drill
holes for the supports.
1.5.- UNITS DIMENSIONS MODELS 22E-24E-28E-32E
1.- GENERAL CHARACTERISTICS
11
Ø 14 (x 4)
Drainage outside
thread 3/4''
Refrigerant
connections
Refrigerant
connections
Power supply
connection
Power supply connection
Control panel connection
Control
panel
connection
Electrical box
Drainage outside
thread 3/4''
Power supply
Power
supply
25
1415
1.320
100
550
100
1.380
15
15
1445
20
33
1.103
99
888
47
413
118
The dimensions referred
to the center of the drill
holes for the supports.
1.- GENERAL CHARACTERISTICS
1.5.- UNIT DIMENSIONS MODEL 38E
12
1.- GENERAL CHARACTERISTICS
Ø 16 (x 4)
Drainage outside
thread 3/4''
Refrigerant
connections
Refrigerant
connections
Power supply
connection
Power supply connection
Control panel connection
Control
panel
connection
Electrical box
Ø 16 (x 4)
Drainage outside
thread 3/4''
Power supply
Power supply
888 348
47
33
119
56
978
119
978
30
1.350
2250
100
550
100
30
15
15
2310
1.380
The dimensions referred
to the center of the drill
holes for the supports.
1.5.- UNITS DIMENSIONS MODELS 44D-48D-56D-64D
44D2-48D2-56D2-64D2
13
1.- GENERAL CHARACTERISTICS
Ø 16 (x 4)
Drainage outside
thread 3/4''
Refrigerant
connections
Refrigerant
connections
Power supply
connection
Power supply connection
Control panel connection
Control
panel
connection
Electrical box
Ø 16 (x 4)
Drainage outside
thread 3/4''
Power supply
Power supply
1.415
2.260
2.500
100
550
100
30
15
15
2.560
1.445
56
119
888
1.103
413
47
1.103
33
30
119
The dimensions referred
to the center of the drill
holes for the supports.
1.5.- UNITS DIMENSIONS MODELS 76D-76D2
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