Re-Verber-Ray LD Series Installation Manual page 36

3.0 Installation • Electrical Requirements
Figure 3.3 • LD Series Alternative Wiring Diagrams
A. LD Series Micro 60U-24 Ladder Diagram - With Relay Board
L1 120VAC
HL RELAY BOARD
O
Y
R
T'STAT
TERMINAL
2
1
STAGE
2 STAGE THERMOSTAT
(FIELD SUPPLIED)
BK
120V
24V
120/24V
TRANSFORMER
(FIELD SUPPLIED)
B. LD Series Micro 60U-24 Block Diagram - With Relay Board
T'STAT
TERMINAL
24V 1 2
STAGE
2-STAGE T'STAT
(FIELD SUPPLIED)
MICRO 60U-24
IGNITION MODULE
R
W
STATUS
LIGHT
120/24V
TRANSFORMER
(FIELD SUPPLIED)
L1
120VAC
N
(FIELD SUPPLIED)
• LD Series Alternative Wiring Diagrams
BK
BL
O
PRESSURE SWITCHES
R
APS1
INDICATOR
LIGHTS
BK
GY
BK
BK
G
G
GAS VALVE
STATUS
LIGHT
Y
O
R
HL RELAY BOARD
O
BL
G
G
G
BK
W
BK
BK
BK
W
120V
TRANSFORMER
24V
Y
BL
G
BK
THERMAL
APS2
FUSE
PR
PK
PK
G
G
G
R
W
(FIELD SUPPLIED)
R
PR
THERMAL FUSE
PR BK
APS1 (NO)
PRESSURE
PK
SWITCHES
PK
BK
Y
BL
G
TRANSFORMER
W
W
BK
BK
IGNITOR
BLOWER
36
BK
W
IGNITOR
FLAME
ROD
W
BK
BLOWER
PR
BK
BK
BK
W
W
BK
MICRO 60U-24
IGNITION
MODULE
APS2 (NC)
GY
BK
BK
BK
FLAME
ROD
HI M
C C
GAS VALVE
LD Series
N
INDICATOR
LIGHTS
BK
G