Belimo ECON-ZIP-BASE - Page 35

35
0
6/16 - Subject to change. © Belimo Aircontrols
(
USA
)
, Inc
.
Freeze Protect
i
on
• Outdoor air is suitable “for free cooling”
.
• Y1 may or may not be energized depending on thermostat call for stage
1 cooling.
• Y2 may or may not be energized depending on thermostat call
f
or stage
2 coolin
g
.
• W1 may or may not be ener
g
ized dependin
g
on thermostat call
f
or sta
g
e
1 heating.
• G input is energized indicating occupied state of operation
.
• Compressor 1 is de-energized
2
.
• Compressor 2 is de-ener
g
ized
2
.
• Fan Speed may or may not be energized (indoor fan is operating on high
o
r low speed). See Indoor 2 Speed Fan sequence under Energy Module
O
p
tion Functions
1
.
• Exhaust Fan is of
f
1
.
• Damper Pos output is modulated
f
rom minimum to closed to maintain
dischar
g
e air setpoint.
Possible Modes of O
p
eratio
n
3
: Heating , Free Cooling and Ventilation.
Energy Module Option Functions
1
Pur
g
e
1
(Purge Control in Settings Menu must be turned on to enable and 24 VAC
app
li
e
d
to
AUX
1
)
• Outdoor air may or may not be suitable “for free cooling”
.
• Y1 may or may not be ener
g
ized dependin
g
on thermostat call for sta
g
e
1 coo
li
ng.
• Y2 may or may not be energized depending on thermostat call for stage
2 coolin
g
.
• W1 may or may not be energized depending on thermostat call for stage
1
h
eat
i
ng.
• G input may or may not be energized (occupied or unoccupied state)
.
• Compressor 1 may or may not be ener
g
ized dependin
g
on thermostat call
for stage 1 cooling
2
.
• Compressor 2 may or may not be ener
g
ized dependin
g
on thermostat call
f
or stage 2 cooling
2
.
• Fan Speed may or may not be energized (indoor fan is operating on high
o
r low speed
)
.
S
ee Indoor 2
S
peed Fan sequence under Ener
g
y Module
O
p
tion Functions
1
.
• Exhaust Fan is o
ff
1
.
• Damper Pos output goes to value set in Purge Dmp
S
et.
Possible Co-existin
g
Modes of Operation
3
:
M
echanical Cooling, Heating.
D
amper
O
verride
•
IF Remote Dmp Cntrl is turned on (enabled) in Settings men
u
AND
G
powered
THEN Damper Pos will go to the value of the signal input (0-10 VDC) at
AUX
2
.
N
ote: If outdoor air is suitable for “free coolin
g
” and damper is override to
closed position, there will be no coolin
g
.
I
ndoor 2 S
p
eed Fan
Thermostat
Signal
Economizing
Available
OAT Energy
Module
Fan Relay
Fan
Speed
ZIP Econ /
RTU Mode
G, Y1,
n
o
t Y2
N
o
N
/
A
Closed
L
o
w
1
Stage DX
G
, Y1,
n
o
t Y2
Y
es
>
50º
F
O
pen
H
ig
h
E
conomizing
G
,
Y1
,
n
o
t
Y
2
Yes
<50
º
F
C
l
osed
Low
E
conom
i
z
i
ng
G, Y1, Y
2
No
N/A
O
p
en
Hi
g
h
2
Stage DX
G, Y1, Y
2
Yes
N/A
Open
Hi
g
h
I
ntegrate
d
Eco
n
o
m
i
z
e
r
G, W1
No
N/A
Open
Hi
g
h
H
eat
i
ng
G,
W1
Y
es
N/A
Op
en
High
H
eat
i
n
g
G
,
not Y1
,
n
o
t
W
1
No
N/A
C
l
osed
Low
Ve
nt
ila
t
ion
G
, not Y1,
not
W
1
Y
es
N/A
C
losed
L
o
w
V
ent
il
at
i
o
n
not
G,
not
Y
1
,
not
W1
No
N/A
O
p
en
O
ff Unoccu
p
ied
3
not G
,
not
Y
1, not
W1
Yes
N/A
Open
O
ff
U
noccup
i
e
d
When indoor fan is on hi
g
h speed, the hi
g
h speed fan minimum damper
position setpoints Vent Min Pos and D
C
V Min Pos will be referenced as the
m
inimums
f
or damper control.
When indoor fan is on low speed, the low speed fan minimum damper position
set
p
oints Low S
p
Vent Min and Low S
p
DCV Min will be referenced as the
m
inimums for dam
p
er control.
No
t
e
: Indoor fan speed will operate accordin
g
to the above table whether in
O
ccu
p
ied or Unoccu
p
ied.
No
te: If RTU equipped with fan speed switchin
g
relays from the factory, an
Ener
g
y Module is not required to set up 2 Speed Fan. See 2 Speed Fan Op in
settin
g
s menu
f
or more in
f
ormation
.
ZIP E
co
n
o
miz
er
Method of O
p
eration