Carrier 48FK Controls Operation And Troubleshooting page 32

QUICK
TEST
STEP NO.
1.
2.
3.
4.
5.
6.
7.
8.
9.
1.0.
1.1.
1.2.
1.3.
LEGEND
DIP — Dual, In-Line Package
EC — Enthlapy Control
VAV — Variable Air Volume
*Units are not equipped with oil pressure switches.
Table 15 — Quick Test, Unit Configuration and Switch Check
NORMAL
DISPLAY
01
Type Unit — Air-Cooled VAV
2
No. of Compressors
No. of Unloaders
(034,038,048-088)
2
1
(044, 104)
60
60-Hertz Power
0 — No Reset (Switch Off)
0 or 1
1 — Reset On (Switch On)
0 — No Economizer (Switch Off)
0 or 1
1 — Economizer On (Switch On)
0 — No Warm-Up (Switch Off)
0 or 1
1 — Warm-Up Used (Switch On)
0 — Demand Limit Not Used
0 or 1
1 — Demand Limit Used
0 — Enthalpy Switch Open
0 or 1
1 — Enthalpy Switch Closed
1 — Low-Pressure Switch Closed
1
1 — Low-Pressure Switch Closed
1
1
No Circuit 1 Oil Pressure Switch
1
No Circuit 2 Oil Pressure Switch
DESCRIPTION
(Switch Off)
(Switch On)
32
CONTROL SWITCH
Configuration Header
Configuration Header
DIP Switch No. 6 and 7
Configuration Header
DIP Switch No. 2
DIP Switch No. 3
DIP Switch No. 4
DIP Switch No. 5
EC
Low-Pressure Switch 1
Low-Pressure Switch 2
None*
None*