Carrier 48TM016-028 Specifications download pdf (Page 26)

LEGEND

DCV — Demand Controlled Ventilation

IAQ — Indoor Air Quality

LALS— Low Temperature Compressor

Lockout Switch

OAT — Outdoor-Air Temperature

POT — Potentiometer

Potentiometer Default Settings:

Power Exhaust Middle

Minimum Pos. Fully Closed

DCV Max. Middle

DCV Set Middle

Enthalpy C Setting

NOTES:

1. 620 ohm, 1 watt 5% resistor should be removed only when using differential

enthalpy or dry bulb.

2. If a separate field-supplied 24 v transformer is used for the IAQ sensor power

supply, it cannot have the secondary of the transformer grounded.

3. For field-installed remote minimum position POT, remove black wire jumper

between P and P1 and set control minimum position POT to the minimum

position.

Fig. 36 — EconoMi$erIV Wiring

PINK

BLACK

BLUE

NOTE 1

NOTE 2

RUN

500 OHM

RESISTOR

50HJ540573

ACTUATOR

ASSEMBLY

RED

WHITE

ECONOMISER2 PLUG

DIRECT DRIVE

ACTUATOR

OAT

LEGEND

OAT — Outdoor Air Temperature Sensor

NOTES:

1. Switch on actuator must be in run position for economizer to operate.

2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

Fig. 37 — EconoMi$er2 Wiring

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 59 60

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Carrier 48TM016-028 Specifications Page 26

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