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WSV6 VERTICAL SERIES - IOM
WSV6 Vertical Series – IOM 35
CONTROLS CONTINUED
WSCM SAFETY FEATURES
CONTROL BOARD LAYOUT LEGEND
CONNECTION
INPUT
OR
OUTPUT
DESCRIPTION
R
--
24 VAC
C
--
24 VAC (Grounded Common)
Y1
I
Input Call for Compressor
W
I
Input Call for Heating or Emergency Heat
O
I
Input Call for Reversing Valve in Cooling
G
I
Input Call for Fan Operation
AL1
O
Connect to Thermostat Fault Light –
24VAC or Dry Contact Alarm
AL2
O
Alarm Relay 24VAC or Dry Contact
A
O
Output for Water Solenoid Valve –
Paralleled with Compressor Contactor
ACC1
O
ACC1 Output for Accessory Relay 1 –
24VAC between ACC1 and COM
ACC2
O
ACC2 Output for Accessory Relay 2 –
24VAC between ACC2 and COM
G1
O
Connection for Fan Relay – Low Speed
Operation
G2
O
Connection for Fan Relay – Medium
Speed Operation
G3
O
Connection for Fan Relay – Large Speed
Operation
CC
O
Connection for Compressor Contactor
CCG
O
Compressor Contactor Common
Connections
HP
I
High Pressure Switch Input Terminals
LOC
I
Low Pressure Switch Input Terminals
CO1
I
Water Coil Low Temperature Thermistor
Output
CO2
I
Air Coil Low Temperature Thermistor
Output
RV
O
Reversing Valve Output Terminals –
Direct Connect from “O”
COND_SW
I
Condensate Overflow Input Terminal
W1
O
Output Terminal for Electric Heat
COM
--
Grounded Common
Table 14 – Control Board Layout Legend
CONTROLLER OPERATION CODES
DESCRIPTION OF OPERATION
LED
READOUT
Normal Mode
ON
(Green Light)
Controller Non Functional
OFF
(Green Light)
Test Mode (pins shorted momentarily)
ON
(Yellow Light)
DESCRIPTION OF OPERATION
CODE
Standby
ST
Fan Only(G active)
Fo
Cool (Y1 & O active)
Co
Heat 1st Stage (Y1 active)
H1
Accessory Relay 1
A1
Accessory Relay 2
A2
Vacated Premises Control
Ay
Fault Retry
rE & CODE #
Lockout
Lo & CODE #
Over/Under Voltage Shutdown
Ou & CODE #
Temperature Sensor Error
SE & CODE #
DESCRIPTION OF OPERATION
CODE
Test Mode – No Fault
11
Test Mode – HP Fault
12
Test Mode – LP Fault
13
Test Mode – CO1 Fault
14
Test Mode – CO2 Fault
15
Test Mode – Cond. Overflow Fault
16
Test Mode – Over/Under Shutdown
17
Test Mode – Swapped CO1/CO2 Thermistors
18
Table 15 – Control Operating Codes