Cooper & Hunter CHV-5S224SNMX, Service Manual

Page: 29 / 125

0 27 00 CONTROL
CHV
5 COM PACT MULTI VRF UNIT
SERVICE M ANUAL
switch to the next IDU
C03
Indoor unit quantity
query in the system
network
1-80
Timer area: displays the number of IDUs in the system
network.
C06
Preferential operation
query
00
：
Common
operation
01
：
Preferential
operation
Operation method:
In‖C06‖status,press ―MODE‖button to enter Preferential
operation query interface.Press―
∧ ‖or― ∨ ‖to switch the
IDU SN.
Display mode:
Temperature area: displays project number of current IDU
Timer area:displays the preferential operation setting
value of the current IDU
C07
Indoor environment
temperature query
-
Operation method:
In‖C07‖status,press ―MODE‖button to enter the indoor
environment temperature query interface.
Press―
∧
‖or―
∨
‖to switch the IDU SN.
Display mode:
Temperature area: displays project number of current IDU
Timer area: displays the temperature value of the
environment temperature sensor after replenishment.
C08
Prompt time query for
air filter cleaning
4-416
：
days
Timer area:displays the prompt time query for air filter
cleaning
C09
Wired controller
address query
01
，
02
Timer area: displays the adrsess of the current wired
controller
C11
Indoor unit quantity
query in one-to-many
mode
1-16
Timer area: displays the number of IDUs controlled by the
wired controller
C12
Outdoor environment
temperature query
-
Timer area: displays the temperature value of the
environment temperature sensor of the master ODU.
Note:
a. In parameter query status, FAN, TIMER, SLEEP, and SWING are invalid. By pressing the‖ON/OFF‖button,
users can return to the main interface but not power on/off the unit.
b. In parameter query status, signals of the remote controller are invalid.
3
）
User Parameter Settings
Engineering Parameters can be set in power-on of power-off status.
(1) Press and hold the ―FUNCTION‖ button for five seconds to enter the user parameter query interface. The
temperature area displays ―C00‖. Press and hold the ―FUNCTION‖button for another five seconds to entert the