Navien NFB Series User Manual

36 Installation de la tuyauterie du circuit
Avec raccordements de 24VCA
COM
A/H DHW PRI
NO
NC N L N L
N
L
COM
NO
NC
ZONE1
COM
NO
NC
ZONE2
COM
NO
NC
ZONE3
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
AC24VL
LWCO
R
W
C
R
W
C
R
W
C
R
W
C
COM
A/H
DHW PRI
NO NC N L N L N L
Pompe de zone 1
(max. 2,5 A)
Pompe de zone 2
(max. 2,5 A)
Pompe de zone 3
(max. 2,5 A)
Pompe de
chaudière
(max. 2,5 A)
LWCO
AC24VL
AC24VN
NC
COM
ZONE3
COM
NC
NC
ZONE3
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
AC24VL
LWCO
R
W
C
R
W
C
R
W
C
R
W
C
Thermostat 1
24 VAC N
Thermostat Input
24 VAC L
Thermostat 2
24 VAC N
Thermostat Input
24 VAC L
Thermostat 3
24 VAC N
Thermostat Input
24 VAC L
Mise à la terre de la pompe

Navien NFB Series Specifications

General

Type	Condensing Boiler
Fuel Type	Natural Gas or Propane
Heat Exchanger	Stainless Steel
Vent Type	Direct Vent
Vent Diameter	2" or 3"