
24
N
Y
B
Loa
d3
Lo
ad
2
Lo
a
d1
Lo
N
Md Hi
AIR
7V
0V
A
B
Trip
R
Fan Motor
Sensor
ϑ
Overheat
BMS
BASE UNIT
(located in air curtain)
J1
The heater output is connected to the right hand side of
each terminal block marked "Load1", "Load2" and "Load3".
The fan output is connected to a 4 way connector marked
"N”, “Lo”, “Md” and “Hi".
The sensor input (air sensor) is connected to a 2 way
connector marked "AIR" on the base unit. The sensor is
not polarity sensitive.
The external thermal trip (volt-free contact) is connected to
a 2 way connector marked "Trip". The connection is not
polarity sensitive.
After removing link J1, the BMS pair can be used for
external time control via a pair of volt free contacts.
Terminal
Description
Load1
Heater phase 1
Load2
Heater phase 2
Load3
Heater phase 3
N
Neutral to fan
Lo
Fan - low speed
Md
Fan - medium speed
Hi
Fan - high speed
AIR
Air sensor (non-polarised)
AIR
Air sensor (non-polarised)
Trip
Ext thermal trip, n.c. (volt-free)
Trip
Ext thermal trip, n.c. (volt-free)
BMS
BMS off (volt -free)
BMS
BMS off (volt -free)
Load3
Load2
Load1
4.11 Factory installed wiring. Electrically Heated with SmartElec control.
Содержание AIRBLOC ACR Series
Страница 43: ...43 Notes...