Instructing The Owner; Air System Adjustment; Vertical Temperature Bulb Orientation; Cm "N" & "A" Coil - York CF18A Installation Manual

EEV CONTROL
LED DIAGNOSTIC CODES
LAMP LAMP
COLOR CONDITION DESCRIPTION
NO LAMP N/A
RED ON
RED 1 Flash
RED 2 Flashes
RED 3 Flashes
RED
4 Flashes
RED 5 Flashes
GREEN ON
YELLOW ON
FIGURE 23: Wiring Diagram - EEV
COIL CLEANING
CAUTION
!
Ensure adequate precautions are taken to protect electrical compo-
nents from liquid.
If the coil needs to be cleaned, it should be cleaned with water.
As an alternative to water, EVAP-Green by Nu-Calgon is the only pH
neutral coil cleaner approved to be used when it is properly diluted.
ENSURE THE CLEANED COILS ARE THOROUGHLY RINSED
AFTER USE OF EVAP-GREEN.

Johnson Controls Unitary Products

EEV
EEV MOTOR
EEV CONTROL BOARD
LED
INDICATORS
Control failure OR No power to the control
Normal operation, No active faults
Invalid pressure transducer
Invalid suction temperature
EEV fully open while in superheat mode
Suction pressure out of range
No RS-485 communication
EEV Opening
EEV Closing
INDOOR EQUIPMENT
CONTROL
COMM PORT
IPT
ITS
PR1 T1
A R C
B
SECTION IX: INSTRUCTING THE OWNER
Assist the owner with registering the unit warranty using the warranty
card included with the unit, or preferably online at
www.upgproductregistration.com. It is strongly recommended to
complete a startup sheet showing the critical readings of the unit at the
time of commissioning, which can be uploaded as part of the online
registration process.
SECTION X: AIR SYSTEM ADJUSTMENT
Refer to furnace or modular air handler instructions.
Tables 4 and 5 have DRY coil data. Run system indoor fan only for
approximately 15 minutes prior to taking measurements to assure a
dry coil.
5292154-UIM-A-0317
USE COPPER CONDUCTORS ONLY.
IF ALUMINUM CONDUCTORS ARE PRESENT,
ALL APPLICABLE LOCAL AND NATIONAL
CODES MUST BE FOLLOWED.
LEGEND
IPT - INDOOR COIL PRESSURE TRANSDUCER
ITS - INDOOR COIL
EEV - ELECTRONIC EXPANSION VALVE
5292155-UWD-B-0117
NOTICE
SENSOR
11