43
Fig. 4 — Mode Selection
S
y
s
tem Mode =
OFF?
Inp
u
t
s
-> FIRE ->
F
S
D in
a
l
a
rm?
HVAC Mode = OFF
(Fire
S
h
u
tdown)
HVAC Mode = OFF
(Di
sab
led)
Unit not in f
a
ctory
te
s
t
AND
fire-
s
moke
control mode i
s
a
l
a
rming?
Inp
u
t
s
-> FIRE ->
PRE
S
in
a
l
a
rm?
HVAC Mode = OFF
(Pre
ssu
riz
a
tion)
Inp
u
t
s
-> FIRE ->
EVAC in
a
l
a
rm?
HVAC Mode = OFF
(Ev
a
c
ua
tion)
HVAC Mode = OFF
(P
u
rge)
Config->UNIT->
C.TYP ch
a
nged
while
u
nit r
u
nning?
15-
s
econd del
a
y
HVAC Mode = OFF
(Di
sab
led)
S
y
s
tem Mode =
TE
S
T?
HVAC Mode = TE
S
T
S
ervice Te
s
t ->
S
.
S
TP = YE
S
?
HVAC Mode =
S
oft
S
top
Re
qu
e
s
t
Config->UNIT->
RM.CF =2
AND
Inp
u
t
s
->GEN.I->
REMT = ON
HVAC Mode = OFF
(Rem.
S
w. Di
sab
le)
(Config->HEAT->
HT.TY=4
OR
Config->
DEHU->D.
S
EL=1)
AND
(Inp
u
t
s
->GEN.I->
FRZ.
S
=ALRM?)
HVAC Mode = Freeze
S
t
a
t Trip
Config->
S
P->
S
P.CF
= 1
OR
2
HVAC Mode = OFF
(
S
t
a
tic Pre
s
. F
a
il)
Config->UNIT->
S
F
S
.M=1
OR
2
AND
Config->UNIT->
S
F
S
.
S
=YE
S
?
HVAC Mode = OFF
(F
a
n
S
t
a
t
us
F
a
il)
Unit j
us
t w
a
king
u
p
from power re
s
et?
HVAC Mode = OFF
(
S
t
a
rting Up)
Unit
s
h
u
tting down?
HVAC Mode =
S
h
u
tting
Down
Compre
ss
or
cont
a
ctor welded
on?
HVAC Mode = Comp.
S
t
u
ck On
Unit control free to
s
elect
norm
a
l he
a
ting/cooling
HVAC mode
HVAC Mode = OFF
HVAC Mode =
Tempering Vent
HVAC Mode =
Tempering LoCool
HVAC Mode =
Tempering HiCool
HVAC Mode = Venting
Deh
u
midific
a
tion
HVAC Mode =
Cooling Deh
u
midific
a
tion
HVAC Mode = Vent
HVAC Mode = Low Cool
HVAC Mode = High Cool
HVAC Mode = Low He
a
t
HVAC Mode = High He
a
t
HVAC Mode = Unocc.
Free Cool
No
No
No
No
No
No
No
No
No
No
No
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
S
y
s
tem
Mode
Fire-
S
moke
Control
Exception
s
Unit
control free
to choo
s
e
HVAC
Mode
a
nd
s
t
a
tic pre
ssu
re
s
en
s
or h
as
f
a
iled
a
nd
su
pply f
a
n
h
as
f
a
iled
Config->BP->
BP.CF=5
AND
HVAC Mode = OFF
(Plen
u
m Pre
ssu
re Trip)
There i
s
a
plen
u
m
pre
ssu
re
s
witch
error
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
No
No
HVAC Mode =
He
a
ting Deh
u
midific
a
tion
Summary of Contents for Weathermaster 48P2030-100
Page 130: ...130 Fig 19 Typical Power Schematic Sizes 040 075 Shown ...
Page 131: ...131 Fig 20 Main Base Board Input Output Connections ...
Page 132: ...132 Fig 21 RXB EXB CEM SCB Input Output Connections ...
Page 133: ...133 Fig 22 Typical Gas Heat Unit Control Wiring 48P030 100 Units Shown ...
Page 134: ...134 Fig 23 Typical Electric Heat Wiring 50P030 100 Units Shown ...
Page 135: ...135 Fig 24 Typical Power Wiring 115 V ...
Page 136: ...136 Fig 25 Typical Gas Heat Section Size 030 050 Units Shown ...
Page 138: ...138 Fig 27 Component Arrangement Size 030 035 Units ...
Page 139: ...139 Fig 28 Component Arrangement Size 040 075 Units ...
Page 140: ...140 Fig 29 Component Arrangement Size 090 100 Units ...
