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Wiring the Chroma-FP2-OD
Heater load connection
Provide terminals L, N with up to 240 VAC, 30 AMP.
Make sure the wire Gauge (AWG) is suitable for the circuit Amperage draw, as specified in the NEC/
CEC table 1.
Pg. 6
Heater
Load
connection
240 VAC, 30A
CS-HL
Upper limit
sensor
(By Chromalox)
NO NC HE
C
C
1
2
Aquastat
(option)
Heat
Indication
(24VAC)
Chroma-FP2-OD
Caution: Incorrect voltage may cause fire or seriously damage the unit.
Heater
Load
connection
240 VAC, 30A
CS-HL
Upper limit
sensor
(By Chromalox)
L2
L2
L1
L1
NO NC HE
C
C
1
2
Aquastat
(option)
Heat
Indication
(24VAC)
Chroma-FP2-OD-AB
A
B
BMS
(BACnet/Modbus)
or Wi-Fi module
L2
L2
L1
L1
*GFEP Indication - Dry Contact / Alarm
GFEP Tripped
GFEP NOT Tripped
NO - COM
NC - COM
SHORT
OPEN
OPEN
SHORT
Branch circuit protection
and disconnect provided
by installer. Max. 30A
Main
Supply
240 VAC
Branch circuit protection
and disconnect provided
by installer. Max. 30A
Main
Supply
240 VAC
GFEP
Indication
Dry Contact
(NO/NC)
*See table
GFEP
Indication
Dry Contact
(NO/NC)
*See table
Chroma-FP-OD Series
Owner’s manual & Technician Settings
1-800-443-2640
www.chromalox.com