Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No.
20
-40VM9005-01
Printed in U.S.A.
Form 40VM-
4
SI
R1
Pg 14
08
-
20
Replaces:
40VM-4SI
© Carrier Corporation 20
20
Table 7 —Parameter Details
No.
SERVICE menu
Description
Set parameter
1
ROOM TEMP SENSOR LOCATION
Select whether to use the IDU room temperature sensor or the room
temperature sensor of the wired controller.
INDOOR UNIT
WIRD REMOTE CONTROL (default)
2
ROOM TEMP SENSOR OFFSET
The temperature compensation value for wired controller T1
-5ºF, -4ºF, -3ºF, -2ºF, -1ºF, 0ºF (default), 1ºF, 2ºF, 3ºF,
4ºF, 5ºF
or
-5ºC, -4ºC, -3ºC, -2ºC, -1ºC, 0ºC (default), 1ºC, 2ºC,
3ºC, 4ºC, 5ºC
3
SETPOINT LIMIT
MAX. HEATING
SETPOINT SETTING
Set the upper limit of the temperature range for heating.
86ºF (default), 85ºF, 84ºF…
30ºC (default), 29ºC, 28ºC…
MIN. COOLING
SETPOINT SETTING
Set the lower limit of the temperature range for cooling.
50ºF (default), 51ºF, 52ºF…
10ºC (default), 11ºC, 12ºC…
4
THERMAL SENSITIVITY ADJ
Select a capacity interval.
THERMAL ON (1ºF) (default), THERMAL ON (2ºF)
Or
THERMAL ON (1ºC) (default), THERMAL ON (1ºC)
5
CHANGEOVER TIME
AUTO mode changeover time.
15min (default), 30min, 60min, 90min
6
ANTI COLD BLOW
Set the temperature when the fan is turned off to prevent cold winds.
68ºF (default), 50ºF, 59ºF, 75ºF, 82ºF
Or
20ºC (default), 10ºC,15ºC, 24ºC, 28ºC
7
THERMO-OFF FAN
SPEED SETTING
COOLING
Set the fan step for cooling thermo off.
OFF, LOW, MEDIUM, HIGH, MAINTAIN (default)
HEATING
Set the fan step for heating thermo off.
OFF (default), LOW, MEDIUM, HIGH, MAINTAIN
8
STATIC PRESSURE
Set the IDU static pressure of the DC fan.
0: 0 in WC (default)
1: 0.04 in WC
2: 0.08 in WC
3: 0.12 in WC
4: 0.16 in WC
5: 0.20 in WC
6: 0.24 in WC
7: 0.28 in WC
8: 0.32 in WC
9: 0.36 in WC
10: 0.40 in WC
11: 0.44 in WC
12: 0.48 in WC
13: 0.52 in WC
14: 0.56 in WC
15: 0.60 in WC
16: 0.64 in WC
17: 0.68 in WC
18: 0.72 in WC
19: 0.76 in WC
20: 0.80 in WC
21: 0.84 in WC
22: 0.88 in WC
23: 0.92 in WC
24: 0.96 in WC
25: 1.0 in WC
9
OCCUPANCY
SENSOR
OCCUPANCY ON/OFF
Set occupancy delay function valid or invalid
OFF (default), ON
OCCUPANCY DELAY
Set the time for delayed power-off of the unattended IDU (valid only
when the IDU is connected to an infrared sensing controller).
0min(default),15min, 30min, 60min
OCCUPANCY SET TEMP
OFFSET
Setback temperature setpoint amount after occupancy delay
elapses.
0ºF,2ºF, 4ºF (default), 6ºF, 8ºF
Or
0ºC, 1ºC, 2ºC (default), 3ºC, 4ºC
10
Supplemental heat or Aux Heat status
Supplemental heat or Aux Heat status
OFF (Default), ON
Supplemental heat or Aux Heat status configuration
1ºF (default), 2ºF, 3ºF, 4ºF, 5ºF
Or
1ºC (default), 2ºC, 3ºC
Time delay
15min (Default), 30min, 45min
Indoor fan status
ON (Default), OFF
Table 8 —IDU Error Codes
Number
Error Code
Description
1
FE
The address is unavailable when the system is first powered
2
dd
Mode conflict
3
E1
IDU and ODU communication error
4
E2
T1 sensor error
5
E3
TA sensor error (Fresh air unit only)
6
E4
T2B sensor error
7
E5
T2A sensor error
8
E6
DC fan error
9
E7
EEPROM error
10
UU
MDC self-check error
11
E9
Communication error with the wired controller
12
Eb
EXV short circuit and jamming error
13
Ed (FLASH)
ODU error (entered backup running mode)
14
Ed
ODU error
15
EE
Water level alarm error
Table 9 —Wired Controller Error Codes
Number
Error Code
Description
1
E9
Wired controller and IDU communication error
2
FP
Overflow of number of online IDUs
ERROR CODES
