39
Fig. 54 — Example of Fan Speed Set Up Labels for Electro-Mechanical Controls
UNITS WITH SYSTEMVU™ CONTROLS
On units equipped with the factory-installed SystemVu controller
the Fan Speed settings are accessed through the SystemVu inter-
face.
1. Check the job specifications for the CFM (cubic feet per min-
ute) and ESP (external static pressure) required.
2. Using the chart on the fan speed set up labels (see Fig. 55),
calculate the RPM from the CFM and ESP for the base unit
plus any field accessories (as listed on the label).
NOTE: The fan speed set up labels are located on the High Volt-
age cover in the Control Box.
3. Press any key on the SystemVu interface to activate the dis-
play backlight and then press the MENU key.
4. Using the UP and DOWN arrow keys highlight SETTINGS
and then press ENTER.
5. Use the DOWN arrow key highlight the UNIT CONFIGU-
RATIONS menu then press ENTER.
6. Highlight UNIT CONFIGURATIONS then press ENTER.
7. Highlight INDOOR FAN and then press ENTER.
8. Refer to the job specifications to set the following, determin-
ing the values per the RPM Calculator label (see Fig. 55). Use
the UP and DOWN arrow keys and the BACK key to set the
values. Press ENTER after setting each value to continue to
the next selection.
• IDF VENT SPD
• IDF HEAT SPD
• IDF LOW COOL SPD
• IDF HIGH SPD
• IDF FREE COOL SPD
For further details, see the
FC/GC Series Single Package Rooftop
Units with SystemVu Controller Controls, Start-up, Operation and
Troubleshooting
manual.
Factory Setting:
7.8 V
DC
Field Setting:
V
DC
Switch Range:
A
B
C
B
A
C
Field Accessories:
ESP in. wg
V
DC
Calculator
CFM
0.2
5.4
5.8
6.1
6.5
6.8
7.2
7.6
7.9
8.3
1500
1625
1750
1875
2000
2125
2250
2375
2500
0.1
0.4
6.2
6.5
6.8
7.1
7.4
7.7
8.0
8.4
8.7
0.1
0.6
6.9
7.1
7.4
7.7
7.9
8.2
8.5
8.8
0.1
0.8
7.5
7.7
8.0
8.2
8.5
8.7
9.0
0.1
1.0
8.1
8.3
8.5
8.7
9.0
0.1
1.2
8.6
8.8
9.0
9.2
0.1
1.4
9.1
9.3
9.5
0.1
1.6
1.8
2.0
9.6
0.1
Economizer
1 Stage E Heat
2 Stage E Heat
UNIT MODEL
NUMBER
4.1 - 7.5
6.9 - 8.7
7.7 - 10.0
0.2
0.3
0.2
0.3
0.2
0.3
0.2
0.3
0.2
0.3
0.2
0.3
0.2
0.3
0.2
0.3
9.8
9.9
9.7
9.9
9.5
9.7
10.0
9.2
9.5
9.8
9.3
9.6
9.2
Record field setting here
*
*
Overlap in A, B, C switch range
designed for maximum field
adjustment potential. For example
7.2 can be set at either A or B.
Summary of Contents for WeatherMaster 50GC 04-06 Series
Page 4: ...4 Fig 2 50GC 04 06 Unit Dimensional Drawing...
Page 5: ...5 Fig 2 50GC 04 06 Unit Dimensional Drawing cont...
Page 6: ...6 Fig 2 50GC 04 06 Unit Dimensional Drawing cont...
Page 22: ...22 Fig 42 Typical 50GC 04 06 Control Wiring Diagram 208 230V W7220 Control Unit Shown...
Page 23: ...23 Fig 43 Typical 50GC 04 06 Power Wiring Diagram 208 230V Unit Shown...
Page 41: ......
