17
2007 PORT-A-COOL® Unit Electric Models
24
2007 PORT-A-COOL® Unit Electric Models
7) Loosen these bolts just enough to slide the old motor out;
don’t remove the bolts completely. Replace with new motor.
8) Thread terminal end of motor wire through switch box
wire opening and plug five-pin connector into switch connec-
tor. IMPORTANT: Ensure that rubber grommet seal on harness
is properly seated to keep water out of control box.
9) Replace switch box cover.
10) Secure motor wire to fan bracket assembly using new
wire ties.
11) Replace pads by installing from outside toward center
replacing center pad last.
12) Replace blade and screen to front of unit.
PUMP REPLACEMENT
MODELS PAC2K482S, PAC2K361S, PAC2K363S, PAC2K36HPVS, PAC2K24HPVS
1) DISCONNECT POWER and remove pads as shown on page 15.
2) Pump is in lower right of unit. Control box is in upper left. Locate pump wire (å) secured to fan bracket
assembly using plastic wire ties. Cut and remove plastic ties. DO NOT CUT ELECTRICAL WIRES. (Figure 1)
3) Remove screws from control box cover. Unplug pump wire connector. Push rubber grommet on pump
wire through control box opening and remove pump harness wire from control box. (Figure 2)
4) Locate pump in lower right corner of the unit. Remove hose from pump by unscrewing hose connection.
Remove two screws holding pump bracket to the unit housing. Remove entire pump assembly from the unit.
(Figure 3)
5) INSTALL NEW PUMP BY REVERSING ABOVE PROCEDURES. (1.) Install new pump on pump bracket and
attach bracket to housing. Replace pump hose. (2.) Thread terminal end of pump wire through control switch
box and plug pump terminal into switch.
6) IMPORTANT: Ensure that rubber grommet seal is in properly seated to keep water out of switch box.
7) Replace switch box cover. Secure pump wire to fan bracket assembly using new bundle ties.
8) Replace pads by installing pads from outside toward center
replacing center pad last. Replace pad flap with screws.
Figure 2
Figure 3
Figure 4
å
(Figure 1)
(Figure 2)
(Figure 3)
DRY BULB
Temp. °C Temp. °F
23.9 75
26.7 80
29.4 85
32.2 90
35.0 95
37.8 100
TEMP. °F
Difference Drop
15 10.8
15 10.8
15 10.8
15 10.8
17 12.2
16 11.5
OUTPUT TEMP.
°C
°F
17.8 64
20.6 69
23.3 74
26.1 79
28.3
83
31.1 88
60% RH
APPENDIX A
Port-A-Cool® unit
TEMPERATURE OUTPUT CHARACTERISTICS
50% TO 65% RELATIVE HUMIDITY
WET BULB TEMPERATURE
DRY BULB TEMPERATURE
TEMPERATURE DIFFERENCE
TEMPERATURE DROP
OUTPUT TEMPERATURE
Wet Bulb Temperature @ Current Humidity Level
Current Ambient Air Temperature
Dry Bulb Temp Minus Wet Bulb Temp
Temperature Difference Multiplied by 72%
Dry Bulb Temperature Minus Temperature Drop
DRY BULB
Temp. °C Temp. °F
23.9 75
26.7 80
29.4 85
32.2 90
35.0 95
37.8 100
TEMP. °F
Difference Drop
22 15.8
20 14.4
22 15.8
21 15.1
22 15.8
22 15.8
OUTPUT TEMP.
°C
°F
15.0 59
18.9 66
20.6 69
23.9 75
26.1
79
28.9 84
50% RH
DRY BULB
Temp. °C Temp. °F
23.9 75
26.7 80
29.4 85
32.2 90
35.0 95
37.8 100
TEMP. °F
Difference Drop
17 12.2
19 13.7
18 13.0
19 13.7
19 13.7
19 13.7
OUTPUT TEMP.
°C
°F
17.2 63
18.9 66
22.2 72
24.4 76
27.2
81
30.0 86
55% RH
A-3
DRY BULB
Temp. °C Temp. °F
23.9 75
26.7 80
29.4 85
32.2 90
35.0 95
37.8 100
TEMP. °F
Difference Drop
13 9.4
13 9.4
13 9.4
13 9.4
14 10.1
13 9.4
OUTPUT TEMP.
°C
°F
18.9 66
21.7 71
24.4 76
27.2 81
29.4
85
32.8 91
65% RH
