Powtier Controls Limited
Air Curtain Controller
Instruction Manual
Connection terminals (base unit)
Terminal
Description
R
3 phase supply
Y
3 phase supply
B
3 phase supply
N
Neutral from mains
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
BMS
BMS control logic, normally closed (volt-free contact)
BMS
BMS control logic, normally closed (volt-free contact)
AIR
Air sensor (non-polarised)
AIR
Air sensor (non-polarised)
Trip
External thermal trip, normally closed (volt-free contact)
Tip
External thermal trip, normally closed (volt-free contact)
B
RS485 Comms to remote unit
A
RS485 Comms to remote unit
0V
Supply to remote unit
7V
Supply to remote unit
ACCIM
Page 7
5 March 2007
Issue 1.4
