8
nuaire.co.uk
029 2085 8400
13. 03. 19. Document Number 671188
Installation and Maintenance
Ecosmart Boxer Air Handling Units
Connections
to Damper
N
L
SL
DP
CL
N
RET
Remove this link wire if:
NET connections for
ECOSMART devices
1. a switched live signal is connected.
2. A ES-PIR, ES-TC or BMS signal
is connected.
Max SL run on
Min
Trickle
Test
1
0
Pwr
Standby
Fan 1
Fan 2
Heating
Cooling
Fault
Frost
Tx
Rx
Ecosmart
Heat demand
signal
Earth
Run signal
Fault signal
DAMPER
FAULT RUN
HEAT DEMAND
L3
L2
L1
N
E
400V 50Hz
3ph +N mains
5
3
6
1
2 4
(U)
(V) (W)
E
L3
L2
L1
(U)
(V) (W)
L3
L2
L1
15
14
12 13
9
8
7
6
5
11
10
15
13 14
12
CONTACTER
A1
A2
ON OFF
AUTO
HEATER/COOL
Cooling
signal
demand
Frost
signal
alarm
DX1 coil
Signal for
if fitted
DX2 coil
Signal for
if fitted
Connect to inlet
sensor after unit
is assembled
Outlet
sensor
sensor
Inlet
3
2
1
GREEN
BROWN
WHITE
Connect to LPHW
actuator motor
SM24
position A
motor set at
25
30
25
Set outlet air
temperature
coil
ofCW cooling
25
30
25
Set outlet air
of LPHW coil
temperature
3
2
1
GREEN
BROWN
WHITE
Connect to CW coil
SM24
actuator motor
position A
motor set at
0V
0-10V
BMS signal
A
A
A
Figure 15. ESBHS3-LC, ESBHS4-LC, ESBHS5-LC, ESBHS6-LC and ESBHS7-LC.
IMPORTANT
Actuator and sensors (A) are positioned in adjacent modular
sections and will require wiring and connection to the
Ecosmart control.
4.2.8 ESBHS3-LC, ESBHS4-LC, ESBHS5-LC, ESBHS6-LC and ESBHS7-LC
