S
ERIES
2000 I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
52
17.2 HVAC Remote Panels and Panel Options
The remote panel sho
u
ld be mo
u
nted in the conditioned space in a con
v
enient location for controlling the air
handler. Do not locate a remote panel that contains temperat
u
re sensing eq
u
ipment in an area directly
affected by the air handler or another heat so
u
rce as it may interfere
w
ith the operation of the air handler.
17.2.1 Standard Dischar
g
e Control (SDC) Remote
This control is typically
u
sed for air handlers
pro
v
iding space heating. The b
u
rner flame
mod
u
lates to maintain a constant discharge air
temperat
u
re as selected on the temperat
u
re
selection dial. While in "a
u
to" mode, a space
temperat
u
re thermostat controls the operation of the
air handler to maintain the desired space
temperat
u
re.
AUTO/WINTER Mode:
The air handler (blo
w
er and b
u
rner) cycle on and off
to maintain space temperat
u
re as selected on the
room thermostat. When the air handler is operating,
air is being discharged at the setpoint on the
discharge temperat
u
re selection dial. The b
u
rner
flame mod
u
lates to maintain a constant discharge air
temperat
u
re as selected on the temperat
u
re
selection dial. The discharge air temperat
u
re setting
m
u
st be higher than the thermostat setting.
ON/WINTER Mode:
The air handler (blo
w
er and b
u
rner) operate
contin
u
o
u
sly to pro
v
ide heated air. When the air
handler is operating, air is being discharged at the
setpoint on the discharge temperat
u
re selection dial.
The b
u
rner flame mod
u
lates to maintain a constant
discharge air temperat
u
re as selected on the
temperat
u
re selection dial. The
u
nit disregards the
thermostat setpoint
w
hile in this mode.
ON/SUMMER Mode:
Only the blo
w
er operates contin
u
o
u
sly to pro
v
ide
u
nheated air. The b
u
rner remains off regardless of
temperat
u
res on the temperat
u
re selection dial and
thermostat.
FAN ON indicator:
Indicates that the air handler is s
u
pplying po
w
er to
the blo
w
er motor
v
ia the M1 motor starter.
BURNER ON indicator:
Indicates that the air handler has s
u
pplied po
w
er to
open the main gas safety sh
u
t off
v
al
v
e.
BURNER LOCKOUT indicator:
The b
u
rner control mod
u
le has experienced a fa
u
lt
and
w
ill need to be reset. The b
u
rner control mod
u
le
m
u
st be reset at the air handler. Refer to
Page 72,
Section 21
and
Page 82, Section 23
to determine the
ca
u
se of the fa
u
lt.
CHECK FILTER indicator:
The airflo
w
in the
u
nit is ins
u
fficient to acti
v
ate the lo
w
press
u
re s
w
itch. This is most commonly ca
u
sed by
dirty filters, b
u
t co
u
ld also indicate other obstr
u
ctions
in the air stream.
17.2.2 Deluxe Temperature Control (DTC) Remote
This control is typically
u
sed for pro
v
iding a
u
tomatic
day/night space heating. The b
u
rner flame
mod
u
lates and
v
aries the discharge air temperat
u
re
to maintain the space temperat
u
re set on the
