General ................................................................................ 1
Inspection............................................................................. 1
Reference ............................................................................ 1
Approvals ............................................................................. 1
Nomenclature....................................................................... 2
INSTALLATION
Limitations ............................................................................ 3
Location ............................................................................... 3
Rigging and Handling .......................................................... 3
Clearances........................................................................... 3
Ductwork .............................................................................. 3
Filters ................................................................................... 3
Condensate Drain ................................................................ 4
Service Access..................................................................... 4
Thermostat ........................................................................... 4
Power and Control Wiring .................................................... 4
Blower Speed Selection....................................................... 4
Scroll Compressors.............................................................. 4
Optional Economizer Rain Hood ......................................... 5
Disconnect Switch Bracket For Optional Belt-Drive ............ 6
Electric Heaters.................................................................... 8
OPERATION
Cooling System.................................................................. 14
Cooling Sequence of Operation......................................... 14
Safety Controls .................................................................. 14
Heating Sequence of Operation ........................................ 14
Heat Anticipator Setpoints ................................................. 14
Checking Supply Air CFM.................................................. 14
Secure Owner’s Approval .................................................. 15
MAINTENANCE
Normal Maintenance.......................................................... 16
TABLES
No. Description Page
1
Unit Application Data ..................................
3
2
Physical Data ..............................................
4
3
Blower Perf. - 3-6 Ton Direct-Drive .............
8
4
Blower Perf. - 3 & 4 Ton Belt-Drive .............
9
5
Blower Perf. - 5 & 6 Ton Belt-Drive .............
10
6
Static Resistances ......................................
11
7
Motor and Drive Data - Belt-Drive .............
11
8
Electrical Data - Direct-Drive ......................
11
9
Electrical Data - Belt-Drive..........................
11
10
Supperheat, 036 .........................................
12
11
Supperheat, 048 .........................................
12
12
Supperheat, 060 .........................................
12
13
Supperheat, 072 .........................................
13
14
Heat Anticipator Setting ..............................
14
15
Motor Pulley Adjustment .............................
15
FIGURES
No. Description Page
1
Center of Gravity.........................................
3
2
Recommended Drain Piping.......................
4
3
Economizer Rain Hood Assembly ..............
5
4
Typical Field Wiring.....................................
6
5
Dimensions and Clearances.......................
7
6
Enthalpy Setpoint Adjustment.....................
8
7
Belt Adjustment ...........................................
15
8
Press. Drop versus Supply Air CFM ...........
15
TABLE OF CONTENTS
D
4
C
E
A
PRODUCT NOMENCLATURE
PRODUCT GENERATION
2 = 2nd Generation
4 = 4rd Generation
PRODUCT CATEGORY
D = Single Package Air Conditioner
(Air Cooled)
PRODUCT IDENTIFIER
CE = Cooling
VOLTAGE CODE
06 = 208/230-1-60
25 = 208/230-3-60
46 = 460-3-60
58 = 575-3-60
036 = 3 Ton
048 = 4 Ton
060 = 5 Ton
072 = 6 Ton
3
0
6
2
5
NOMINAL COOLING
CAPACITY
FACTORY INSTALLED
HEAT
A = Cooling Only
530.18-N7Y
2
Unitary Products Group
