Installation; Pre-Start-Up; System Checkout - Carrier AQUAZONE 50PTH Installation And Service Instructions Manual

Table 14A — WSHP Open — Fan Only / Low Fan and Med Fan Airflow
50PT UNIT MAX FAN MOTOR
SIZE ESP HP
26 0.5 0.5
38 0.5 0.5
49 0.75 1
64 0.75 1
72 0.75 1
NOTE: Factory default setting shown bold.
50PT UNIT SIZE MAX ESP
26 0.5
38 0.5
49 0.75
64 0.75
72 0.75
NOTE: Factory default setting shown bold.
IMPORTANT: The tap setting for high fan MUST equal or exceed the
tap setting for fan only/low/med fan

PRE-START-UP

When the installation is complete,
System Checkout —
follow the system checkout procedure outlined below before
starting up the system. Be sure:
1. Voltage is within the utilization range specifications of the
unit compressor and fan motor and voltage is balanced
for 3-phase units.
2. Fuses, breakers and wire are correct size.
3. Low voltage wiring is complete.
4. Piping and system flushing is complete.
SW 3
TAP SETTING
(SW 1)
4 OFF
3 OFF
2 ON
1 ON
4 OFF
3 OFF
2 ON
1 ON
4 OFF
3 OFF
2 ON
1 ON
4 OFF
3 OFF
2 ON
1 ON
4 OFF
3 OFF
2 ON
1 ON
Table 14B — WSHP Open — High Fan Airflow
FAN MOTOR HP TAP SETTING
4
3
0.5
2
1
4
3
0.5
2
1
4
3
1
2
1
4
3
1
2
1
4
3
1
2
1
SW 4 COOLING AND
FAN ONLY
(SW 2) HEATING LOW FAN
OFF 475
ON 425
OFF 370
ON 300
OFF 700
ON 630
OFF 540
ON 450
OFF 870
ON 780
OFF 670
ON 560
OFF 1020
ON 920
OFF 780
ON 660
OFF 1050
ON 980
OFF 910
ON 850
IMPORTANT: The tap setting for high fan MUST equal or exceed the
tap setting for fan only/low/med fan
SW 5 SW 6
OFF OFF
OFF ON
ON OFF
ON ON
OFF OFF
OFF ON
ON OFF
ON ON
OFF OFF
OFF ON
ON OFF
ON ON
OFF OFF
OFF ON
ON OFF
ON ON
OFF OFF
OFF ON
ON OFF
ON ON
5. Air is purged from closed loop system.
6. System is balanced as required. Monitor if necessary.
7. Isolation valves are open.
8. Water control valves or loop pumps are wired.
9. Condensate line is open and correctly pitched.
10. Transformer switched to lower voltage tap if necessary.
11. Blower rotates freely — shipping support is removed.
12. Blower speed is on correct setting.
13. Air filter is clean and in position.
14. Service/access panels are in place.
15. Return-air temperature is between 40 to 80 F heating and
50 to 110 F cooling.
29
COOLING AND
HEATING MED FAN
920 1050
825 950
710 820
600 690
1120 1400
1000 1250
860 1080
730 900
1560 1850
1400 1650
1200 1430
1010 1200
1860 2280
1650 2040
1430 1750
1200 1470
1600 2230
1600 2100
1400 1850
1240 1620
COOLING AND HEATING HIGH FAN
1060
950
820
690
1400
1350
1350
1350
1850
1660
1430
1350
2280
2050
1750
1470
2230
2100
1870
1670