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PREMIER 2 SINGLE-SPEED INSTALLATION AND MAINTENANCE MANUAL
Unit Operating Pressures*
Entering W a t e r
Water
Suction
W a t e r
Flow
Flow
P r e s s u r e P r e s s u r e S u p e r -
Temp °F
GPM/Ton
G P M
P S I G
1.5
61-70
-
30
2.3
62-71
-
3.0
62-71
-
1.5
79-85
50
2.3
75-83
3.0
72-82
1.5
78-88
70
2.3
78-90
3.0
78-91
1.5
79-92
90
2.3
80-93
3.0
80-93
*Based on nominal 400 cfm per ton airflow and 70°F EAT heating and 80/67°F EAT cooling.
**Cooling air and water numbers can vary greatly with changes in humidity.
Unit Electrical Data
208-230/60/1
COMPRESSOR
MODEL
RLA
LRA
7.1
38.0
AT019C
AT022C
9.7
50.2
AT028C
11.6
62.5
AT034D
13.5
72.5
AT040D
16.0
88.0
AT040D*
16.0
88.0
AT046D
17.9
104.0
17.9
104.0
AT046D*
AT056D
23.7
129.0
28.8
169.0
AT066D
All units rated 208-230 (min 197) volt single phase 60 cycle.
All fuses type "D" time delay (or HACR circuit breaker in USA).
Wire length based on one way measurement with 2% voltage drop.
208-230/60/3
COMPRESSOR
MODEL
RLA
LRA
AT056D
13.5
99.0
AT066D
17.3
123.0
All units rated 208-230 (min 197) volt three phase 60 cycle.
All fuses type "D" time delay (or HACR circuit breaker in USA).
Wire length based on one way measurement with 2% voltage drop.
Wire size based on 60°C copper conductor.
Cooling
Cooling - No Desuperheater**
Discharge
S u b -
cooling Rise °F
P S I G
h e a t
100-117
25-35
15-25
-
-
-
92-109
25-35
15-25
-
-
-
88-104
25-35
15-25
-
-
-
145-170
10-18
12-25
130-155
10-18
12-25
125-150
10-18
12-25
180-200
9-14
13-18
169-187
9-14
13-18
160-180
9-14
13-18
230-272
8-13
13-18
215-248
8-13
13-18
208-240
8-13
13-18
FAN
INT
EXT
MOTOR
PUMP
PUMP
FLA
FLA
FLA
4.0
0.4
5.4
4.0
0.4
5.4
4.0
0.4
5.4
4.0
0.4
5.4
4.0
0.4
5.4
7.0
0.4
5.4
4.0
0.4
5.4
7.0
0.4
5.4
7.0
0.4
5.4
7.0
0.4
5.4
Wire size based on 60°C copper conductor.
* With optional 1 hp ECM2 fan motor.
FAN
INT
EXT
MOTOR
PUMP
PUMP
FLA
FLA
FLA
7.0
0.4
5.4
7.0
0.4
5.4
W a t e r
Air
Suction
Temp
Temp
P r e s s u r e P r e s s u r e S u p e r -
Drop °F DB
P S I G
21-24
21-26
34-39
-
-
13-16
21-26
37-42
-
-
6-11
21-26
38-44
-
-
20-23
20-25
51-58
12-15
20-25
53-62
8-12
20-25
55-65
19-22
19-24
71-82
11-14
19-24
77-89
7-12
19-24
81-92
18-21
17-23
-
10-14
17-23
-
6-11
17-23
-
TOTAL
MIN
UNIT
CIRCUIT
FLA
AMP
16.9
18.7
19.5
21.9
21.4
24.3
23.3
26.7
25.8
29.8
28.8
32.8
27.7
32.2
30.7
35.2
36.5
42.4
41.6
48.8
TOTAL
MIN
UNIT
CIRCUIT
FLA
AMP
26.3
29.7
30.1
34.4
Heating - No Desuperheater
Discharge
S u b -
cooling Drop °F DB Rise °F
P S I G
h e a t
163-183
9-14
5-9
165-185
9-14
5-9
167-186
9-14
5-9
175-202
10-14
5-9
178-206
10-14
5-9
180-208
10-14
5-9
215-250
12-16
5-8
203-235
12-16
5-8
200-235
12-16
5-8
-
-
-
-
-
-
-
-
-
MAX
MAX
MAX
FUSE
FUSE
CKT BRK
(USA)
(CAN)
(CAN)
25
25
25
30
30
30
35
35
35
40
40
40
45
45
45
45
45
45
50
50
50
50
50
50
60
60
60
70
70
70
MAX
MAX
MAX
FUSE
FUSE
CKT BRK
(USA)
(CAN)
(CAN)
40
40
40
40
50
50
W a t e r
Air
Temp
Temp
7.6-8.4
14-20
4.8-5.6
16-22
3.4-4.2
16-22
10.8-11.9
23-29
6.7-8.1
24-30
5.1-5.9
25-31
14.0-15.2
28-34
9.0-10.2
30-37
6.7-7.9
31-38
-
-
-
-
-
-
SUPPLY WIRE
MIN AWG
MAX FT
10
100
10
90
8
120
8
110
8
90
8
80
8
90
8
80
8
70
8
60
SUPPLY WIRE
MIN AWG
MAX FT
8
100
8
90
25
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