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176
TYPICAL ACCESSORY WIRING
ECONO MIZER WIRING--50H EQ003-006, 50HJQ004-012, 50TFQ004-012
LEGEND
IAQ —
Indoor Air Quality
LA —
Low Ambient Lockout Device
POT —
Potentiometer
OAT —
Outdoor-Air Temperature
RAT —
Return-Air Temperature
NOTE:
Potentiometer Defaults Settings:
Power Exhaust Middle
Minimum Pos.
Fully Closed
DCV Max.
Middle
DCV Set
Middle
Enthalpy
C Setting
NOTES:
1. 620 ohm, 1 watt 5% resister should be removed only when using differen-
tial enthalpy or dry bulb.
2. If a separate field-supplied 24v 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.
C06076
LEGEND
AL
—
Ambient Limit
OA
—
Outdoor Air
ECB
—
Economizer Control Board
OAS
—
Outdoor Air Sensor
IA
—
Indoor Air
RAS
—
Return Air Sensor
IAQ
—
Indoor Air Quality
SAT
—
Supply Air Temperature
ECONOMI$ER IV WIRING - 50HJQ014,016 UNITS
C06093
50
TF
Q
,H
JQ
.H
E
Q
Summary of Contents for APOLLO CONTROL 50HJQ004-016
Page 5: ...5 50HEQ003 006 ...
Page 19: ...19 BASE UNIT DIMENSIONS 50TFQ004 007 50 TFQ C06069 50TFQ ...
Page 20: ...20 BASE UNIT DIMENSIONS 50TFQ008 012 C06070 50TFQ ...
Page 76: ...76 BASE UNIT DIMENSIONS 50HJQ004 007 C06006 50HJQ ...
Page 77: ...77 BASE UNIT DIMENSIONS 50HJQ008 012 C06081 50HJQ ...
Page 132: ...132 TYPICAL WIRING SCHEMATICS 50HJQ 50HJQ016 460V SHOWN C06092 50HJQ ...
Page 144: ...144 BASE UNIT DIMENSIONS 50HEQ003 006 C06058 50HEQ ...