Page 26
When either or both W1 and W2 are active and D is NOT active, the
output will be per the column
(W1 or W2) & NOT D in Tables A and B.
2-stage WIRING:
True 2-stage (2-wire: W1, W2) operation requires the W1
and W2 terminals of the thermostat to be wired to W1 and W2, respectively,
on the DCC7235.
1-stage Wiring: Single stage
operation can still be achieved by wiring only
W1 from the thermostat to W1 of the DCC7235 for
LOW
airflow, or W2 from
the thermostat to W2 of the DCC7235 for
HIGH
airflow. W1 and W2 can also
be connected (jumpered) for HIGH Airflow in 1-stage systems.
For convenience, when a single stage system is applied, an on-board
SHUNT
connects
Y1
to
Y2
for operation at the
Y2
airflow whenever any Y is
active.
NOTE: THE SHUNT MUST BE REMOVED WHEN A TWO STAGE COMPRESSOR SYSTEM IS
APPLIED FOR HEATING OR COOLING.
2.
OPERATING with a HEAT PUMP ("Y" MUST BE Active for
COMPRESSOR Heating)
D & W1 active
: When "1&2-Stg HT" and
D
AND
W1
are active, the selected
output PWM % shown under
W1
in the selected TABLE A and B, above,
occurs after a 15 sec delay after any
W
first becomes active. A prior flow
value (PWM%) selected by either
Y
will be replaced by the value selected by
either
W
.
D & W2 active
: When "1&2-Stg HT" and
D
AND
W2
are active, the selected
output PWM % shown under
W2
in the selected TABLE A and B occurs after
a 15 sec time delay after the first occurrence of
W1
or
W2
. A prior flow value
(PWM%) selected by either
Y
will be replaced by the value selected by either
W
.
NOTE: WHEN EITHER OR BOTH W1 AND W2 ARE ACTIVE AND D IS NOT ACTIVE, THE
OUTPUT WILL BE PER THE COLUMN (W1 OR W2) & NOT D IN TABLES A AND B.
2.
“TIMED 2-STAGE HEAT” SWITCH (SW1-1) "ON"
1st stage -- D & W1 or D & W2 active
: When the switch is in this position and either
W1 & D or W2 & D
are active, the volume command (PWM %) shown under
D & W1
in the selected TABLE A or B occurs after a 15 sec time delay from when W1 or W2
became active.
TIMED STAGING
: When either
D & W1
or
D & W2
remain active for 5 minutes, the
volume command (PWM %) transitions to the selected values shown under
D & W2
in
the selected TABLE A or B, above, to give the high volume output.
When W1 or W2 is active and D is NOT active, the Output will be per the column
(W1
or W2) & NOT D
in Tables A and B.
TIMED STAGING WIRING
: Either an energized W1 or W2 alone, or W1 and W2
together (for example, by connecting them together with an external shunt) will activate
the timed 2-stage output
.
NOTE: POWER TO THE CONTROLLER MUST BE CYCLED FOR THE 1&2-STG HT AND TIMED
2-STG HT SWITCH STATE TO BE RECOGNIZED.
THE SELECTED STATE WILL BECOME
EFFECTIVE AFTER POWER IS RESTORED.
C.
PUMP TIMER RELAY ON-
OFF (ENABLE/DISABLE)
Содержание MaxAir 100e P2
Страница 43: ...Page 43 WIRING DIAGRAM P2 UNITS...
Страница 44: ...Page 44 WIRING DIAGRAM P3 UNITS...
Страница 45: ...Page 45 WIRING DIAGRAM P2 UNITS ALTERATIONS HEAT PUMP OPTION...
Страница 46: ...Page 46 WIRING DIAGRAM P3 UNITS ALTERATIONS HEAT PUMP OPTION...
Страница 51: ...Page 51 FAN COIL DIMENSIONS AND RETURN AIR SIZE LOCATION...
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Страница 61: ...Page 61 2 AND 2 5 TON EVAPORATOR COIL SIZES 70 IPCE 24 30A...
Страница 62: ...Page 62 SAMPLE PIPING SCHEMATICS...
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