Detroit-radiant-products-company HLV Series Manuel d'utilisateur Page 35

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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
24V
+
L1
1N2
24V INPUT
FOR ZONE
#2
(IF USED)
24V INPUT
FOR ZONE
#1
A common wire is required for
thermostats that require constant power.
1N2
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
24V
+
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
24V
+
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
24V
+
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
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