Lennox eNeRGy Series - Unit Commissioning Procedures; Operating Limits

eNeRGy-IOM-2020.11-EN
• 33 •
WARNING: all the components must be installed by a qualified engineer
Operating limits
Prior to any operation, please check the operation limits of the unit. These tables will give you all necessary information
concerning the operating envelop of the unit.
WARNING: It is very important ensure the units operate well inside these envelopes.
Fix Speed Compressors
E014AH055F
E014AH065F
E014AH075F
E016AH085F
E016AH105F
E019AH066F
E019AH076F
E019AH086F
E019AH106F
E019AH124F
Envelopes in °C
Cooling mode operating limits given for steady state running condition with noted temperature condition
Max. outdoor air temperature at indoor air temp. 27°C DB / 19°C WB
48
Max. outdoor air temperature at Min indoor air temp.DB / 47%HR
48
Max outdoor air temperature with unloading
49,5
51
48
50
50
48,5
44,5
48
49,5
46,5
Min. outdoor air temperature at indoor air temp. 20°C DB (*)
-5
-3
12
14,5
14,5
-5
10
13,5
13,5
13
Min. outdoor air temperature at Max indoor air temp. 23°C DB / 47%HR
12
14
13
15
29
13
11
14
14
13
Max. entering air temperature at outdoor air Temp. 38°C DB
35
40
39
41
55
31
29
32
48
48
Max. entering indoor air temperature at Max outdoor air temp. 48°C DB /
40%HR
28
31
31
31
31
27
28
30
31
31
Min. entering indoor air temperature at outdoor air temp. 35°C DB
14
Min. entering indoor air temperature at Max outdoor air temp. 48°C DB /
40%HR
14
14
15
16
19
14
14
14
16
17
Heating mode operating limits given for steady state running condition with noted temperature condition
Min. outdoor air temperature at indoor air temp. 20°C DB
-15
Min. outdoor air temperature at Min indoor air temp. 5°C DB/ 59%HR
14
3
5
2
-2
15
16
10
2
0
Min. entering indoor air temperature
5
5
5
5
5
5
9,5
7
5
5
Max. entering indoor air temperature
25
Max. outdoor air temperature at Max indoor air temp. 25°C DB / 59%HR
24
23
24
23
24
23
24
23
25
29
Min. outdoor air temperature at indoor air temp. 20°C DB / 100%fresh air /
with electrical Std pre-heater
2,3
0
1
0
5
4
5
3
5
5
Min. outdoor air temperature at indoor air temp. 20°C DB / 100%fresh air /
with electrical High pre-heater
-8
-10
-9
-8
2
-3,5
-2
-4
-6
-7
(*) below these values, option "Low ambient kit" is required
COMMISSIONING