Wiring – Detroit Radiant Products Company HLV Series User Manual
Page 35
35
HLV
Series
3.0
Installation
•
Electrical Requirements
•
Field Wiring
Figure 3.21
•
Two-Stage System Field Wiring Diagram
Wiring
Figure 3.22
•
Single-Stage System Field Wiring Diagram (V-1SAO)
VACUUM PUMP
CONTROL BOX
(MOUNTED TO PUMP)
N
-
120V
24
V
+
L1
1
N
2
24V INPUT
FOR ZONE
#2
(IF USED)
24V INPUT
FOR ZONE
#1
A common wire is required for
thermostats that require constant power.
1
N
2
24V Two Stage Controller
24V OUT - Stage 2
(High Fire)
24V OUT - Stage 1
(Low Fire)
24V IN
Common
External Transformer
(Field Supplied)
N
-
120V
24
V
+
L1
A common wire is required for
thermostats that require constant power.
24V Two Stage Controller
24V OUT - Stage 2
(High Fire)
24V OUT - Stage 1
(Low Fire)
24V IN
Common
External Transformer
(Field Supplied)
This shows additional wiring for systems that will
operate on two temperature zones.
NOTE: Do
not exceed the total number of burners allowed
per system as stated in Chart 2.3 on page 18.
N
L1
G
VACUUM PUMP
CONTROL BOX
(MOUNTED TO PUMP)
N
-
120V
24
V
+
L1
COM 24VAC
24V INPUT
FOR ZONE
#2
(IF USED)
24V INPUT
FOR ZONE
#1
A common wire is required for
thermostats that require constant power.
24V Digital
Thermostat
W
R
Common
External Transformer
(Field Supplied)
N
-
120V
24
V
+
L1
A common wire is required for
thermostats that require constant power.
24V Digital Thermostat
External Transformer
(Field Supplied)
This shows additional wiring for systems that will
operate on two temperature zones.
NOTE: Do
not exceed the total number of burners allowed
per system as stated in Chart 2.3 on page 18.
COM 24VAC
COM 24VAC
COM 24VAC
W
R
Common
N
L1
G