Carrier 48MPD Installation, Start-Up And Service Instructions Manual page 20

DSIO2
J5
12
RED
11 BLU
ORN
10
CHANNEL
60
LEGEND
TB — Terminal Block
Field Wiring
Component Terminal
Terminal Block Terminal
Fig. 15 — Heat Interlock Relay
ENTHALPY
CONTROL
SR
REMOVE
620
RESISTOR
+
Fig. 16 — Differential Enthalpy Sensor
LEGEND
DSIO — Relay Module
Fig. 17 — Remote Start
FIELD
TB3
CONTROL
WIRING
8
9
10
ENTHALPY
SENSOR
S
+
DIFFERENTIAL
ENTHALPY SENSOR
(RETURN AIR)
20
ACCESSORY
OUTSIDE AIR
RELATIVE HUMIDITY
TB3
7 2
J2
1
12
13
2
15
J2
1
SPACE/RETURN
RELATIVE HUMIDITY
LEGEND
TB — Terminal Block
Field Wiring
Component Terminal
Terminal Block Terminal
Fig. 18 — Accessory Humidity Control
J7
PRESSURIZATION
19
PURGE
22
EVACUATION
25
SHUTDOWN
28
PSIO
NO. 2
LEGEND
TB — Terminal Block
Field Wiring
Component Terminal
Terminal Block Terminal
Fig. 19 — Fire/Smoke Control
FIELD-SUPPLIED
24-V ISOLATED
POWER SUPPLY
24V
J7
16
17
PSIO
NO. 2
Fig. 20 — Indoor Air Quality
FIELD-SUPPLIED
24-V ISOLATED
POWER SUPPLY
1
24V
J1
2
FIELD-SUPPLIED
24-V ISOLATED
POWER SUPPLY
1
J1
2
24V
+
9 1
INDOOR AIR
QUALITY ACY
10 - 5
TB2
6