Carrier 50GJ006, Инструкция по установке, запуску и обслуживанию, Страница: 15 / 36

EXAMPLE: Given — Negative Pressure . . . . . . . . . . 0.2 in. wg
Outdoor Air . . . . . . . . . . . . . . . . . 900 cfm
Determine — Setting = 5 in.
Fig. 17A — Varislide™ Economizer Minimum
Position Setting (Size 006)
EXAMPLE: Given — Negative Pressure . . . . . . . . . . 0.1 in. wg
Outdoor Air . . . . . . . . . . . . . . . . 1100 cfm
Determine — Setting = 6
Fig. 17B — Varislide Economizer Minimum
Position Setting (Sizes 008,012)
POSITION
SETTING
BRACKET
TOP
SCREW
Fig. 18 — Varislide Economizer Minimum
Position Damper Setting
MINIMUM POSITION
OPEN
3
1
T
P
P1
T1
4
2
5
S
S
O
D
C
TR
B
REV
. B
198818A
%
H U
M
I D
I
T Y
90
70
60
30
10
D
C
B
A
60
65
70
75
55
50
85
80
DAMPER
DAMPER
CLOSED
OPEN OUTDOOR TEMP
.
°
F
REV.
97-3672
CW–SETPOINTS–CCW
CONT
A
CTS SHO
WN IN HIGH ENTHALPY
RUSH A
T
24V
AC
3 mA
MIN.
A
T
1
1
VDC
CONT
ACT RA
TINGS: 1.5A
RUN, 3.5A
IN
OR UNPOWERED ST
A
T
E
1
2
3
TR
TR1
24V
AC
ENTHALPY
CONTROL
Fig. 19 — Varislide Economizer Outdoor-Air
Thermostat/Enthalpy Control Installation
Fig. 20 — Wiring Connections for
Outdoor-Air Thermostat
15