035-16734-000
560.20-N1Y
Unitary Products Group
23
3.
In extreme cases where year-round operation is
required, an indoor storage take with automatic tempera-
ture control valves will be required
OPERATION
Before starting unit be sure condenser water is available.
Open any stop valves and make sure cooling tower is operat-
ing if this is source of cooling water.
Unit is controlled through room thermostat.
Cooling only.
1.
Cool/Heat (When electric heat is used.)
2.
Set thermostat system switch to “OFF” position. Set
thermostat fan switch to “Auto” position.
3.
Close power supply disconnect.
4.
Move fan switch to “ON”. Evaporator blower motor
should start.
5.
Check fan motor for proper rotation and check blower for
free running. No interference should occur.
6.
Move fan switch to “COOL”. Lower thermostat setting to
call for cooling. Evaporator blower should start and Sys-
tem No. 1 compressor will start. Check to be sure that
bottom portion of evaporator coil is getting colder.
7.
Continue to lower thermostat setting until second, Sys-
tem No. 2 compressor starts (except CED060, 5-ton unit
that has only one compressor). Check to be sure that
upper portion of evaporator coil is also getting colder.
8.
.Check to be sure that there is no unusual noise or vibra-
tion as unit operates.
9.
Replace any panels removed for unit installation and
operation check.
10. Set room thermostat at desired space temperature. Unit
will continue to cycle as required to maintain conditions.
11. If electric heat is installed on unit – set system switch to
“HEAT” and raise room thermostat until 1 stage of heat
TABLE 17: ELECTRICAL DATA
MODEL
COMPRESSOR
SUPPLY AIR BLOWER MOTOR
UNIT
AMPACITY,
AMPS
MAX.
FUSE
SIZE
1
,
AMPS
MIN.
60°C
WIRE
SIZE
2
MAX.
WIRE
LENGTH
3
,
FEET
POWER
SUPPLY
QTY
RLA
LRA
POWER
FACTOR
@ FULL
LOAD
POWER
SUPPLY
HP
FLA
CED060
06
208/230-1-60
1
27.6
125
0.99 @ 208 V
0.96 @ 230 V
208/230-1-60
3/4
5.3
43
50
6
149 @ 208 V
173 @ 230 V
25
208/230-3-60
1
16.0
90
0.95 @ 208V
0.88 @ 230V
208/230-1-60
3/4
5.3
28
35
10
111@ 208V
130 @ 230V
46
460-3-60
1
7.7
45
0.88
460-3-60
1
1.7
12
15
14
246
CED090
25
208/230-60
2
12.8
ea.
74
ea.
0.94 @ 208V
0.85 @ 230V
208-3-60
230-3-60
1-1/2
1-1/2
5.7
5.2
42
45
6
181 @ 208V
214 @ 230V
46
460-3-60
2
6.0
ea.
41
ea.
0.85
460-3-60
1-1/2
2.6
17
20
12
282
CED120
25
208/230-3-60
2
16.0
ea.
90
ea.
0.95 @ 208V
208-3-60
203-3-60
2
2
7.6
6.8
47
50
6
162 @ 208V
187 @ 230V
46
460-3-60
2
7.7
ea.
45
ea.
0.88
460-3-60
2
3.4
23
25
10
320
CED189
25
208/230-3-60
1
34.6
193
0.99 @ 208V
0.90 @ 230V
208-3-60
230-3-60
3
3
10.0
9.6
70
80
4
167 @ 208V
188 @ 230V
1
16.0
90
0.95 @ 208 V
0.88 @ 230V
208-3-60
230-3-60
3
3
10.0
9.6
46
460-3-60
1
17.3
97
0.90
460-3-60
3
4.8
28
40
10
260
1
7.7
45
0.88
1.
Dual element, time delay fuses.
2.
Based on three, 60°C insulated copper conductors in steel conduit.
3.
Based on a 3% voltage drop.
