—15—

B

TOP
PANEL
INDOOR COIL
ACCESS PANEL
24 9/16”
SCREW
HOOD DIVIDER
LEFT
HOOD
SIDE
40 3/8”
Fig. 23 — Outdoor-Air Hood Construction
22 1/4”
DIVIDER
BAROMETRIC
RELIEF
CLEANABLE
ALUMINUM
FILTER FILTER
HOOD
FILTER
CLIP
OUTSIDE
AIR
Fig. 24 — Filter Installation

FOR OCCUPANCY CONTROL

REPLACE JUMPER WITH

FIELD-SUPPLIED TIME CLOCK

LEGEND
DCV—Demand Con trolled Ventilation
IAQ — Indoor Air Quality
LA —Low Ambient Lockout Device
OAT— Outdoor-Air Temperature
POT—Po tentiome ter
RAT— Return-Air Temperature
Potentiometer Defaults Settings:
Power Exhaust Midd le
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 whe n 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. 25 — EconoMi$er IV Wiring