3-68
Check code
Operation cause
[89]
Indoor over capacity
1. No. of connected indoor units/connected over capacity
2. Incorrect set up of indoor unit horse power
YES
YES
YES
YES
NO
NO
NO
NO
Modify set up of horse power.
Check
IPDU P.C. board.
Is backup of outdoor unit
being completed?
Is No.of connected
indoor units acceptable? (
*
2)
Is set up of indoor unit
horse power correct?
Is total capacity of connected
indoor units within 135%?
Indoor unit over capacity was
detected during outdoor unit backup
set up.Set no detection of over
capacity. (
*
1)
Keep capacity of connected indoor
units within 135%.
Outdoor units of other system
excessively connected.
Modify miswiring.
Check code
Operation cause
[8C]
Outdoor unit backup operation prohibited
Backup set up of outdoor unit
If there is a unit which is setting backup operation of the outdoor unit, heating operation cannot be performed.
(
*
1)
(
*
1) Set up no detection of over capacity
Turn on SW09 bit 2 on interface P.C. board of outdoor unit. (Usually OFF)
(
*
2) Check No. of connected indoor units.
Set SW01/SW02/SW03 on interface P.C. board of outdoor unit to 1/4/3, respectively.
No. of connected units is displayed on the 7 segment display.
(
*
1) Outdoor unit backup operation set up
When both SW06 Bit 1 and 2 on the interface P.C. board of the master outdoor unit are ON (Usually
both are off.)
Содержание MMC-P0151H
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Страница 216: ...TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN ...