Belimo ECON-ZIP-BASE - Page 34

34
0
6/16 - Subject to change. © Belimo Aircontrols
(
USA
)
, Inc
.
Mechanical Coolin
g
•
Outdoor air ambient conditions are analyzed by one of the 4 chan
g
eover
s
trategies above (Single or Differential Dry Bulb; Single or Differential
E
nthalpy) and has been deemed N
O
T suitable for “free” cooling.
•
Y1 is energized indicating a call
f
or stage 1 cooling.
•
Y2 may or may not be energized depending on thermostat call for stage
2 cooling.
•
W1 is de-ener
g
ized.
•
G input could be energized or de-energized (occupied or unoccupied state).
•
Compressor 1 is o
n
2
.
•
Compressor 2 may or may not be on based on thermostat call for sta
g
e
2 coolin
g
2
.
•
Fan Speed may or may not be energized (indoor fan is operating on high
or low speed). See Indoor 2 Speed Fan sequence under Energy Module
O
p
tion Functions
1
.
•
Exh
aus
t F
a
n i
s
o
f
f
1
.
•
Damper Pos output is at Vent Min Pos i
f
indoor
f
an is on high speed.
Out
p
ut is at Low SP Vent Min if indoor fan is on low s
p
eed.
D
C
V
1
•
Outdoor air may or may not be suitable “for free cooling”; however still
utilizing
f
resh air
f
or cooling
•
Y1 may or may not be energized depending on thermostat call for stage
1 coo
li
ng.
•
Y2 may or may not be energized depending on thermostat call for stage
2 coo
li
n
g
.
•
W1 may or may not be ener
g
ized dependin
g
on thermostat call for heatin
g
.
•
G
input is energized indicating occupied state
.
•
C
ompressor 1 may or may not be on depending on thermostat call for stage
1 coo
li
ng
2
.
•
C
ompressor 2 may or may not be on dependin
g
on thermostat call for sta
g
e
2 coo
li
ng
2
.
•
Fan
S
peed may or may not be energized (indoor fan is operating on high
or low speed
)
.
S
ee Indoor 2
S
peed Fan sequence under Ener
g
y Module
O
ption Functions
1
.
•
Exh
aus
t F
a
n i
s
o
f
f
1
.
•
D
am
p
er
P
os –
Mi
n
i
mum out
d
oor
d
am
p
er
p
os
i
t
i
on w
ill
b
e mo
d
u
l
ate
d
based on
CO
2 levels. If indoor fan is on hi
g
h speed and
CO
2 levels are
hi
g
h, minimum damper position will be at Vent Min Pos; if CO2 levels are
l
ow, minimum dam
p
er
p
osition will be at DCV Min Pos. As CO2 levels
fl
uctuate, minimum dam
p
er
p
osition will modulate between these 2
m
inimum settin
g
s. I
f
indoor
f
an is on low speed, the two minimum damper
s
ettings reference will change to Low SP Vent Min and Low SP DCV Min
respectively
.
Possible Co-existing Modes of Operation
3
:
Mechanical Coolin
g
, Heatin
g
.
V
ent
i
lat
i
o
n
•
O
utdoor air may or may not be suitable “for free coolin
g
”
.
•
Y1 is de-energized
.
•
Y2 is de-energized
.
•
W1 is de-energized.
•
G input is energized indicating occupied state of operation
.
•
Compressor 1 is off
2
.
•
Com
p
ressor 2 is off
2
.
•
Fan Speed will be energized (indoor fan is operating on low speed). See
Indoor 2 Speed Fan sequence under Energy Module Option Functions
1
.
•
Exhaust Fan is o
ff
1
.
•
Dam
p
er Pos out
p
ut is at Low SP Vent Mi
n
1
.
P
ossible Co-existing Modes of Operation
3
: DCV, Heating.
H
eatin
g
•
Outdoor air may or may not be suitable “for free cooling”
.
•
Y1 is o
ff
(unless RTU is a heat pump).
•
Y2 is o
ff
(unless RTU is a heat pump).
•
W
1
i
s energ
i
ze
d
.
•
G input may or may not be ener
g
ized
(
occupied or unoccupied state
)
.
•
C
ompressor 1 is de-energized (unless Heat Pump
O
p in
S
ettings menu is
turned on)
2
.
•
C
ompressor 2 is de-energized (unless Heat Pump
O
p in
S
ettings menu is
turne
d
on
)
2
.
•
Fan
S
peed will be de-energized (indoor fan is operating on high speed).
See Indoor 2 Speed Fan sequence under Energy Module Option Functions
1
.
•
Exhaust Fan is of
f
1
.
•
Dam
p
er Pos out
p
ut is at Vent Min Pos or dam
p
er in D
C
V
p
osition.
S
ee D
C
V mode
1
.
Unoccu
p
ied
•
O
utdoor 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 cooling.
•
Y2 may or may not be energized depending on thermostat call for stage
2 cooling.
•
W1 may or may not be energized depending on thermostat call
f
or stage
1 heating.
•
G input is de-energized (unoccupied state)
.
•
Compressor 1 may or may not be on depending on thermostat call for
stage 1 cooling
2
.
•
Compressor 2 may or may not be on depending on thermostat call for
stage 2 cooling
2
.
•
Fan Speed may or may not be energized (indoor fan is operating on high
or low speed or not at all). See Indoor 2 Speed Fan sequence under Energy
Module
O
ption Functions
1
.
•
Exhaust Fan is o
ff
1
.
•
Dam
p
er Pos out
p
ut is closed to Outdoor Air
.
P
ossible Co-existin
g
Modes of Operation
3
: Free Coolin
g
,
I
ntegrated Cooling, Mechanical Cooling, Heating, or Purge.
ZIP E
co
n
o
miz
er
Method of O
p
eration