L.B. White HW120 Plus Therma Grow - Manual (Page 12)

12
B. Single Stage Thermostat
1. Operate on first stage heat only.
2. Operate on second stage heat only.
C Building Controller Connections - Heating
(Non-Power Contacts)
1. Operate on first stage heat only.
2. Operate on second stage heat only.
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
YELLOW
BLUE
RED
BROWN
BLACK
GREEN
YELLOW
BLACK WHITE
SINGLE STAGE
THERMOSTAT
RED
HI
LO
C
GAS CONTROL VALVE
IGNITION CONTROL
HIGH LIMIT SWITCH
BROWN
GREEN
GROUND
TRANSFORMER
WHITE
BROWN
YELLOW
GROUND
GREEN
GROUND
TRANSFORMER
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
GREEN
BROWN
BROWN
YELLOW
YELLOW
GAS CONTROL VALVE
GROUND
RED
BLACK WHITE
GREEN
HI
LO
C
BUILDING CONTROLLER
(HEAT CONTACT)
TO CONTROL
FROM CONTROL
LEAVE WIRE
NUT ON LEAD
HIGH LIMIT SWITCH
GAS CONTROL VALVE
TRANSFORMER
GREEN
GROUND
BLACK WHITE
YELLOW
BUILDING CONTROLLER
(HEAT CONTACT)
TO CONTROL
FROM CONTROL
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
BROWN
YELLOW
BROWN
LO
HI
IGNITION CONTROL
IGNITION CONTROL
C HIGH LIMIT SWITCH
24V
120V
24V
120V
24V
120V
RED
RED
GROUND
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
TRANSFORMER
BLACK WHITE
YELLOW
GREEN
GROUND
GREEN
GROUND
HIGH LIMIT SWITCH
YELLOW
BLUE
RED
BLACK
LO
YELLOW
BROWN
BROWN
GREEN
GROUND
C
HI
RED
LEAVE WIRE
NUT ON LEAD
IGNITION CONTROL
24V
120V
GAS CONTROL VALVE
SINGLE STAGE
THERMOSTAT