Download Carrier 48ZT Specifications

Table 63 — Carrier Default Program Parameter Values (Return Fan VFD)
PARAMETER GROUP
SEtP
(Setup)
Gr.F
(Fundamental)
Gr.Fb
(Feedback)
Gr.St
(Terminal Selection)
Gr.Pr
(Protection)
Gr.Ut
(Utility)
PARAMETER
ACC1
DEC1
UL
LL
Luln
P3
F-P3
P4
F-P4
tHr1
StC1
StL1
OLN
tYP
FH
Pt
FbP1
Fbln
GP
Gl
GA
GFS
P1LL
PuL
PuUl
PuLL
1t
1t0
1t1
1t2
1t3
1t4
UuC
UuCt
ArSt
Cnod
bLSF
Fnod
bLPn
DEFAULT VALUE
120.0 Sec*
120.0 Sec*
60.0 Hz
10.0 Hz*
1
20%
0.0 Hz
100%
60 Hz
See Table 65
0
110%
1
5*
60 Hz*
2
1*
2
.30
2 sec
0
80
5*
1
10
10
1
0
56
13
3
10
1*
2
3
1*
1*
2*
1*
*These settings differ from the Toshiba defaults and are required for Carrier applications.
NOTE: To restore original factory settings, change tYP to 6 in Setup mode (SEtP). This restores the VFD original factory settings.
Table 64 — Return/Exhaust Fan VFD Required
User Adjusted Defaults
UNIT
1.
2.
3.
4.
5.
48ZC,ZL,ZR075-105 Units 6.
7.
8.
9.
10.
11.
12.
13.
14.
Table 65 — Return/Exhaust Fan Motor
Overload Settings
ITEM
Motor Overload Settings
(see Table 65)
Check jumper CC-F
Gr. UT/bLSF = 1
SEtP/tYP = 5 (Save User Settings)
SEtP/ACC1 = 120.0
SEtP/DEC1 = 120.0
SEtP/LL = 10.0
Gr. F/FH = 60
Gr. Fb/FbP1 = 1
Gr. Fb/P1LL = 5
Gr. Pr/UuC = 1
Gr. Ut/Cnod = 1
Gr. Ut/bLSF = 1
Gr. Ut/Fnod = 2
Gr. Ut/bLPn = 1
UNIT 48
ZC,ZL,ZR
UNIT VOLTAGE
DESIGNATION
Model No.
Position 12
6
and
6
and
6
and
6
and
MOTOR HP
DESIGNATION
Model No.
Position 16
Q,V
R,W
S,X
T,Y
tHr1 SETTING
98.0
87.0
82.0
85.0
IGC Troubleshooting — Refer to Fig. 140 for Integrated Gas Unit Controller troubleshooting.
Unit Wiring — A typical wiring schematic is shown in
Fig. 141-145.
122